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Diffstat (limited to 'tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider')
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BasePolicyProvider.java169
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java50
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java498
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java68
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java42
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.java39
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.java53
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.java38
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.java45
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.java51
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.java37
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java36
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java63
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java76
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.java35
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java63
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.java35
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.java54
-rw-r--r--tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.java53
19 files changed, 1505 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BasePolicyProvider.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BasePolicyProvider.java
new file mode 100644
index 0000000000..785ac70271
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BasePolicyProvider.java
@@ -0,0 +1,169 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+import org.apache.tuscany.sca.policy.PolicyExpression;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySubject;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * Abstract base class for policy providers
+ */
+public abstract class BasePolicyProvider<T> implements PolicyProvider {
+ protected Class<T> policyType;
+ protected PolicySubject subject;
+
+ protected BasePolicyProvider(Class<T> policyType, PolicySubject subject) {
+ this.policyType = policyType;
+ this.subject = subject;
+ }
+
+ protected List<T> findPolicies() {
+ List<T> policies = new ArrayList<T>();
+ List<PolicySet> policySets = subject.getPolicySets();
+ for (PolicySet ps : policySets) {
+ for (Object p : ps.getPolicies()) {
+ if (policyType.isInstance(p)) {
+ policies.add(policyType.cast(p));
+ }
+ if (p instanceof PolicyExpression) {
+ PolicyExpression exp = (PolicyExpression)p;
+ if (policyType.isInstance(exp.getPolicy())) {
+ policies.add(policyType.cast(exp.getPolicy()));
+ }
+ }
+
+ }
+ }
+ return policies;
+ }
+
+ protected List<PolicySet> findPolicySets() {
+ List<PolicySet> policies = new ArrayList<PolicySet>();
+ List<PolicySet> policySets = subject.getPolicySets();
+ for (PolicySet ps : policySets) {
+ for (Object p : ps.getPolicies()) {
+ if (policyType.isInstance(p)) {
+ policies.add(ps);
+ }
+ if (p instanceof PolicyExpression) {
+ PolicyExpression exp = (PolicyExpression)p;
+ if (policyType.isInstance(exp.getPolicy())) {
+ policies.add(ps);
+ }
+ }
+ }
+ }
+ return policies;
+ }
+
+ protected PolicySet findPolicySet() {
+ List<PolicySet> policySets = subject.getPolicySets();
+ for (PolicySet ps : policySets) {
+ for (Object p : ps.getPolicies()) {
+ if (policyType.isInstance(p)) {
+ return ps;
+ }
+ if (p instanceof PolicyExpression) {
+ PolicyExpression exp = (PolicyExpression)p;
+ if (policyType.isInstance(exp.getPolicy())) {
+ return ps;
+ }
+ }
+ }
+ }
+ return null;
+ }
+
+ protected String getContext() {
+ if (subject instanceof Endpoint) {
+ Endpoint endpoint = (Endpoint)subject;
+ return endpoint.getURI();
+ } else if (subject instanceof EndpointReference) {
+ EndpointReference endpointReference = (EndpointReference)subject;
+ return endpointReference.getURI();
+ } else if (subject instanceof Component) {
+ Component component = (Component)subject;
+ return component.getURI();
+ }
+ return null;
+ }
+
+ public void start() {
+ }
+
+ public void stop() {
+ }
+
+ public PhasedInterceptor createInterceptor(Operation operation) {
+ return null;
+ }
+
+ private InvocationChain getInvocationChain() {
+ if (subject instanceof Endpoint) {
+ Endpoint endpoint = (Endpoint)subject;
+ RuntimeComponentService service = (RuntimeComponentService)endpoint.getService();
+ RuntimeWire wire = service.getRuntimeWire(endpoint.getBinding());
+ List<InvocationChain> chains = wire.getInvocationChains();
+ for (InvocationChain chain : chains) {
+ configure(chain, chain.getTargetOperation());
+ }
+
+ } else if (subject instanceof EndpointReference) {
+ EndpointReference endpointReference = (EndpointReference)subject;
+ RuntimeComponentReference reference = (RuntimeComponentReference)endpointReference.getReference();
+ RuntimeWire wire = reference.getRuntimeWire(endpointReference.getBinding());
+ List<InvocationChain> chains = wire.getInvocationChains();
+ for (InvocationChain chain : chains) {
+ configure(chain, chain.getSourceOperation());
+ }
+ } else if (subject instanceof Component) {
+ Component component = (Component)subject;
+ for (ComponentService s : component.getServices()) {
+ RuntimeComponentService service = (RuntimeComponentService)s;
+ for (RuntimeWire wire : service.getRuntimeWires()) {
+ List<InvocationChain> chains = wire.getInvocationChains();
+ for (InvocationChain chain : chains) {
+ configure(chain, chain.getTargetOperation());
+ }
+ }
+
+ }
+ }
+ return null;
+ }
+
+ protected void configure(InvocationChain invocationChain, Operation operation) {
+ }
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java
new file mode 100644
index 0000000000..0e94a28d98
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+
+/**
+ * A factory for creating the runtime artifacts that represent bindings.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface BindingProviderFactory<M extends Binding> extends ProviderFactory<M> {
+
+ /**
+ * Creates a new reference binding provider for the given endpoint reference
+ *
+ * @param endpointReference defines the component/reference/binding against which to create the provider
+ * @return The binding provider
+ */
+ ReferenceBindingProvider createReferenceBindingProvider(EndpointReference endpointReference);
+
+ /**
+ * Creates a new service binding provider for the given component and
+ * service.
+ *
+ * @param endpoint defines the component/service/binding against which to create the provider
+ * @return The binding provider
+ */
+ ServiceBindingProvider createServiceBindingProvider(Endpoint endpoint);
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
new file mode 100644
index 0000000000..2ee058a14d
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
@@ -0,0 +1,498 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import java.lang.reflect.Constructor;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * Default implementation of a provider factory extension point.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultProviderFactoryExtensionPoint implements ProviderFactoryExtensionPoint {
+
+ private ExtensionPointRegistry registry;
+ private final Map<Class<?>, ProviderFactory> providerFactories = new HashMap<Class<?>, ProviderFactory>();
+ private final List<PolicyProviderFactory> policyProviderFactories = new ArrayList<PolicyProviderFactory>();
+ private boolean loaded;
+
+ /**
+ * The default constructor. Does nothing.
+ *
+ */
+ public DefaultProviderFactoryExtensionPoint(ExtensionPointRegistry registry) {
+ this.registry = registry;
+ }
+
+ /**
+ * Add a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ public void addProviderFactory(ProviderFactory providerFactory) {
+ if(providerFactory instanceof PolicyProviderFactory) {
+ policyProviderFactories.add((PolicyProviderFactory)providerFactory);
+ }
+ providerFactories.put(providerFactory.getModelType(), providerFactory);
+ }
+
+ /**
+ * Remove a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ public void removeProviderFactory(ProviderFactory providerFactory) {
+ if(providerFactory instanceof PolicyProviderFactory) {
+ policyProviderFactories.remove((PolicyProviderFactory)providerFactory);
+ }
+ providerFactories.remove(providerFactory.getModelType());
+ }
+
+ /**
+ * Returns the provider factory associated with the given model type.
+ * @param modelType A model type
+ * @return The provider factory associated with the given model type
+ */
+ public ProviderFactory getProviderFactory(Class<?> modelType) {
+ loadProviderFactories();
+
+ Class<?>[] classes = modelType.getInterfaces();
+ for (Class<?> c : classes) {
+ ProviderFactory factory = providerFactories.get(c);
+ if (factory != null) {
+ return factory;
+ }
+ }
+ return providerFactories.get(modelType);
+ }
+
+ public List<PolicyProviderFactory> getPolicyProviderFactories() {
+ loadProviderFactories();
+ return policyProviderFactories;
+ }
+
+ /**
+ * Load provider factories declared under META-INF/services.
+ * @param registry
+ */
+ private synchronized void loadProviderFactories() {
+ if (loaded)
+ return;
+
+ loadProviderFactories(BindingProviderFactory.class);
+ loadProviderFactories(ImplementationProviderFactory.class);
+ loadProviderFactories(PolicyProviderFactory.class);
+ loadProviderFactories(WireFormatProviderFactory.class);
+ loadProviderFactories(OperationSelectorProviderFactory.class);
+
+ loaded = true;
+ }
+
+ /**
+ * Load provider factories declared under META-INF/services.
+ * @param registry
+ * @param factoryClass
+ * @return
+ */
+ private List<ProviderFactory> loadProviderFactories(Class<?> factoryClass) {
+
+ // Get the provider factory service declarations
+ Collection<ServiceDeclaration> factoryDeclarations;
+ ServiceDiscovery serviceDiscovery = registry.getServiceDiscovery();
+ try {
+ factoryDeclarations = serviceDiscovery.getServiceDeclarations(factoryClass.getName(), true);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+
+ // Get the target extension point
+ ProviderFactoryExtensionPoint factoryExtensionPoint =
+ registry.getExtensionPoint(ProviderFactoryExtensionPoint.class);
+ List<ProviderFactory> factories = new ArrayList<ProviderFactory>();
+
+ for (ServiceDeclaration factoryDeclaration : factoryDeclarations) {
+ Map<String, String> attributes = factoryDeclaration.getAttributes();
+
+ // Load an implementation provider factory
+ if (factoryClass == ImplementationProviderFactory.class) {
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ ImplementationProviderFactory factory =
+ new LazyImplementationProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+
+ } else if (factoryClass == BindingProviderFactory.class) {
+
+ // Load a binding provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ BindingProviderFactory factory =
+ new LazyBindingProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ } else if (factoryClass == PolicyProviderFactory.class) {
+ // Load a policy provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ PolicyProviderFactory factory =
+ new LazyPolicyProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ } else if (factoryClass == WireFormatProviderFactory.class) {
+
+ // Load a wire format provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ WireFormatProviderFactory factory =
+ new LazyWireFormatProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ } else if (factoryClass == OperationSelectorProviderFactory.class) {
+
+ // Load a wire format provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ OperationSelectorProviderFactory factory =
+ new LazyOperationSelectorProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ }
+ }
+ return factories;
+ }
+
+ /**
+ * A wrapper around an implementation provider factory allowing lazy
+ * loading and initialization of implementation providers.
+ */
+ private static class LazyBindingProviderFactory implements BindingProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration factoryDeclaration;
+ private BindingProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyBindingProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration factoryDeclaration) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.factoryDeclaration = factoryDeclaration;
+ }
+
+ @SuppressWarnings("unchecked")
+ private BindingProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<BindingProviderFactory> factoryClass =
+ (Class<BindingProviderFactory>)factoryDeclaration.loadClass();
+ Constructor<BindingProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ @SuppressWarnings("unchecked")
+ public ReferenceBindingProvider createReferenceBindingProvider(EndpointReference endpointReference) {
+ return getFactory().createReferenceBindingProvider(endpointReference);
+ }
+
+ @SuppressWarnings("unchecked")
+ public ServiceBindingProvider createServiceBindingProvider(Endpoint endpoint) {
+ return getFactory().createServiceBindingProvider(endpoint);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+ modelType = factoryDeclaration.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+
+ }
+
+ /**
+ * A wrapper around an implementation provider factory allowing lazy
+ * loading and initialization of implementation providers.
+ */
+ private class LazyImplementationProviderFactory implements ImplementationProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private ImplementationProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyImplementationProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private ImplementationProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<ImplementationProviderFactory> factoryClass =
+ (Class<ImplementationProviderFactory>)providerClass.loadClass();
+ Constructor<ImplementationProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ @SuppressWarnings("unchecked")
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component,
+ Implementation Implementation) {
+ return getFactory().createImplementationProvider(component, Implementation);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+
+ }
+
+ /**
+ * A wrapper around an policy provider factory allowing lazy
+ * loading and initialization of policy providers.
+ */
+ private class LazyPolicyProviderFactory implements PolicyProviderFactory {
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private PolicyProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyPolicyProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private PolicyProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<PolicyProviderFactory> factoryClass = (Class<PolicyProviderFactory>)providerClass.loadClass();
+ Constructor<PolicyProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ public PolicyProvider createImplementationPolicyProvider(RuntimeComponent component) {
+ return getFactory().createImplementationPolicyProvider(component);
+ }
+
+ public PolicyProvider createReferencePolicyProvider(EndpointReference endpointReference) {
+ return getFactory().createReferencePolicyProvider(endpointReference);
+ }
+
+ public PolicyProvider createServicePolicyProvider(Endpoint endpoint) {
+ return getFactory().createServicePolicyProvider(endpoint);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+ }
+
+ /**
+ * A wrapper around a wire format provider factory allowing lazy
+ * loading and initialization of wire format providers.
+ */
+ private class LazyWireFormatProviderFactory implements WireFormatProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private WireFormatProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyWireFormatProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private WireFormatProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<WireFormatProviderFactory> factoryClass =
+ (Class<WireFormatProviderFactory>)providerClass.loadClass();
+ Constructor<WireFormatProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ public WireFormatProvider createReferenceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding){
+ return getFactory().createReferenceWireFormatProvider(component, reference, binding);
+ }
+
+ public WireFormatProvider createServiceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding){
+ return getFactory().createServiceWireFormatProvider(component, service, binding);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+ }
+
+ /**
+ * A wrapper around a operation selector provider factory allowing lazy
+ * loading and initialization of operation selector providers.
+ */
+ private class LazyOperationSelectorProviderFactory implements OperationSelectorProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private OperationSelectorProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyOperationSelectorProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private OperationSelectorProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<OperationSelectorProviderFactory> factoryClass =
+ (Class<OperationSelectorProviderFactory>)providerClass.loadClass();
+ Constructor<OperationSelectorProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ public OperationSelectorProvider createReferenceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding){
+ return getFactory().createReferenceOperationSelectorProvider(component, reference, binding);
+ }
+
+ public OperationSelectorProvider createServiceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding){
+ return getFactory().createServiceOperationSelectorProvider(component, service, binding);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+ }
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java
new file mode 100644
index 0000000000..015c673d66
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java
@@ -0,0 +1,68 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * A component implementation can implement this interface in order to tie
+ * into the Tuscany runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ImplementationProvider {
+
+ /**
+ * This method will be invoked when the component implementation
+ * is activated.
+ */
+ void start();
+
+ /**
+ * This method will be invoked when the component implementation
+ * is deactivated.
+ */
+ void stop();
+
+ /**
+ * Create an invoker for the component implementation in the invocation
+ * chain. The invoker will be responsible for calling the implementation
+ * logic for the given component.
+ *
+ * @param service The component service
+ * @param operation The operation that the interceptor will handle
+ * @return An invoker that handles the invocation logic, null should be
+ * returned if no invoker is required
+ */
+ Invoker createInvoker(RuntimeComponentService service, Operation operation);
+
+ /**
+ * For bindings that invoke one-way callback operations asynchronously,
+ * there is no need to perform a thread switch before calling the invoker.
+ * This method indicates whether the binding has this capability.
+ *
+ * @return true if the callback invoker is able to invoke one-way operations
+ * asynchronously, false if all invocations are synchronous
+ */
+ boolean supportsOneWayInvocation();
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java
new file mode 100644
index 0000000000..6a37d1e951
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * An interface for factories that create implementation providers.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ImplementationProviderFactory<M extends Implementation> extends ProviderFactory<M> {
+
+ /**
+ * Creates a new implementation provider for the given
+ * component.
+ *
+ * @param component The runtime component
+ * @param Implementation The implementation type
+ * @return The implementation provider
+ */
+ ImplementationProvider createImplementationProvider(RuntimeComponent component, M Implementation);
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.java
new file mode 100644
index 0000000000..f385c7dfba
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.invocation.Interceptor;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface OperationSelectorProvider {
+ /**
+ * Create an interceptor for the operation selector
+ * @return An interceptor that realize the policySet
+ */
+ Interceptor createInterceptor();
+
+ /**
+ * Get the phase that the interceptor should be added
+ * @return The phase that this interceptor belongs to
+ */
+ String getPhase();
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.java
new file mode 100644
index 0000000000..183b38cb33
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.OperationSelector;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface OperationSelectorProviderFactory<M extends OperationSelector> extends ProviderFactory<M> {
+ /**
+ * Create wire format provider for a given reference binding
+ * @param component
+ * @param reference
+ * @param binding
+ * @return
+ */
+ OperationSelectorProvider createReferenceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding);
+
+ /**
+ * Create policy provider for a given service binding
+ * @param component
+ * @param service
+ * @param binding
+ * @return
+ */
+ OperationSelectorProvider createServiceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding);
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.java
new file mode 100644
index 0000000000..f2b59a7c54
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+/**
+ * This interface can be optionally implemented by the Binding or Implementation providers to
+ * indicate if they implement the policies in the binding/implementation provider.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicyImplementor {
+ /**
+ * Get a list of policy names that are implemented by this policy implementor
+ * @return A list of policy names
+ */
+ List<QName> getImplementedPolicies();
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.java
new file mode 100644
index 0000000000..00ef0d1c3c
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface PolicyProvider {
+ /**
+ * Create an interceptor for a given operation
+ * @param operation
+ * @return An interceptor that realize the policySet
+ */
+ PhasedInterceptor createInterceptor(Operation operation);
+
+ /**
+ * Start the provider
+ */
+ void start();
+
+ /**
+ * Stop the provider
+ */
+ void stop();
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.java
new file mode 100644
index 0000000000..564e6c633b
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.java
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface PolicyProviderFactory<M> extends ProviderFactory<M> {
+ /**
+ * Create policy provider for a given reference binding
+ * @param endpointReference The endpoint reference
+ * @return A policy provider for the endpoint reference
+ */
+ PolicyProvider createReferencePolicyProvider(EndpointReference endpointReference);
+
+ /**
+ * Create policy provider for a given service binding
+ * @param endpoint The endpoint
+ * @return A policy provider for the endpoint
+ */
+ PolicyProvider createServicePolicyProvider(Endpoint endpoint);
+
+ /**
+ * Create policy provider for a given component implementation
+ * @param component
+ * @return A policy provider for the implementation
+ */
+ PolicyProvider createImplementationPolicyProvider(RuntimeComponent component);
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.java
new file mode 100644
index 0000000000..6e7f2bd554
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+
+/**
+ * TODO RRB experiment
+ * This is an experiment extension to try out the request response
+ * binding function
+ * @version $Rev$ $Date$
+ */
+public interface PolicyProviderRRB extends PolicyProvider {
+ /**
+ * Create a binding interceptor
+ * @return An interceptor that realize the policySet
+ */
+ PhasedInterceptor createBindingInterceptor();
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java
new file mode 100644
index 0000000000..2102806881
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+/**
+ * A factory for runtime providers.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ProviderFactory<M> {
+
+ /**
+ * The model type that this factory creates providers for.
+ *
+ * @return the model type
+ */
+ Class<M> getModelType();
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java
new file mode 100644
index 0000000000..d8f9973338
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import java.util.List;
+
+
+/**
+ * An extension point for provider factories. Holds all of the provider
+ * factories from loaded extension points. Allows a provider factory
+ * to be located based on a given model type. Hence the runtime can
+ * generate runtime artifacts from the in memory assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ProviderFactoryExtensionPoint {
+
+
+ /**
+ * Add a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ void addProviderFactory(ProviderFactory providerFactory);
+
+ /**
+ * Remove a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ void removeProviderFactory(ProviderFactory providerFactory);
+
+ /**
+ * Returns the provider factory associated with the given model type.
+ * @param modelType A model type
+ * @return The provider factory associated with the given model type
+ */
+ ProviderFactory getProviderFactory(Class<?> modelType);
+
+ /**
+ * Get a list of registered PolicyProviderFactory
+ * @return a list of registered PolicyProviderFactory
+ */
+ List<PolicyProviderFactory> getPolicyProviderFactories();
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java
new file mode 100644
index 0000000000..b3ab1d8b87
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+
+/**
+ * A reference binding implementation can options implement this
+ * interface to tie into the Tuscany SCA runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ReferenceBindingProvider {
+
+ /**
+ * This method will be invoked when the component reference binding is
+ * activated.
+ */
+ void start();
+
+ /**
+ * This method will be invoked when the component reference binding is
+ * deactivated.
+ */
+ void stop();
+
+ /**
+ * Create an invoker for the reference binding in the invocation chain. The
+ * invoker is responsible for making the outbound invocation over the
+ * binding protocol.
+ *
+ * @param operation The operation that the interceptor will handle
+ * @return An invoker that handles the invocation logic, null should be
+ * returned if no invoker is required
+ */
+ Invoker createInvoker(Operation operation);
+
+ /**
+ * Get the effective interface contract imposed by the binding. For example,
+ * it will be interface contract introspected from the WSDL portType used by
+ * the endpoint for a WebService binding.
+ *
+ * @return The effective interface contract, if null is returned, the
+ * interface contract for the component reference will be used
+ */
+ InterfaceContract getBindingInterfaceContract();
+
+ /**
+ * For bindings that invoke one-way operations asynchronously, there is no
+ * need to perform a thread switch before calling the invoker. This method
+ * indicates whether the binding has this capability.
+ *
+ * @return true if the binding invoker is able to invoke one-way operations
+ * asynchronously, false if all invocations are synchronous
+ */
+ boolean supportsOneWayInvocation();
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.java
new file mode 100644
index 0000000000..3ea9d0ac3c
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * TODO RRB experiment
+ * This is an experiment extension to try out the request response
+ * binding function
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ReferenceBindingProviderRRB extends ReferenceBindingProvider {
+
+ void configureBindingChain(RuntimeWire runtimeWire);
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java
new file mode 100644
index 0000000000..e15234a549
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+
+/**
+ * A service binding can optionally implement this interface to tie
+ * into the Tuscany SCA runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ServiceBindingProvider {
+ /**
+ * This method will be invoked when the component service binding is
+ * activated.
+ */
+ void start();
+
+ /**
+ * This method will be invoked when the component service binding is
+ * deactivated.
+ */
+ void stop();
+
+ /**
+ * Get the effective interface contract imposed by the binding. For example,
+ * it will be interface contract introspected from the WSDL portType used by
+ * the endpoint for a WebService binding.
+ *
+ * @return The effective interface contract, if null is returned, the
+ * interface contract for the component service will be used
+ */
+ InterfaceContract getBindingInterfaceContract();
+
+ /**
+ * For bindings that invoke one-way callback operations asynchronously,
+ * there is no need to perform a thread switch before calling the invoker.
+ * This method indicates whether the binding has this capability.
+ *
+ * @return true if the callback invoker is able to invoke one-way operations
+ * asynchronously, false if all invocations are synchronous
+ */
+ boolean supportsOneWayInvocation();
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.java
new file mode 100644
index 0000000000..278bb23e0a
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * TODO RRB experiment
+ * This is an experiment extension to try out the request response
+ * binding function
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ServiceBindingProviderRRB extends ServiceBindingProvider {
+
+ void configureBindingChain(RuntimeWire runtimeWire);
+
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.java
new file mode 100644
index 0000000000..b3a2b4763e
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.invocation.Interceptor;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface WireFormatProvider {
+
+ /**
+ * Set up the contract that describes the interface that
+ * is providing data to or accepting data from the
+ * wire format interceptor. The wire format's job
+ * is to translate between this interface contract and the
+ * format on the wire. The interface contract may be
+ * configured separately for request and response
+ * wire formats
+ *
+ * @return the wire format interface contract
+ */
+ public InterfaceContract configureWireFormatInterfaceContract(InterfaceContract interfaceContract);
+
+ /**
+ * Create an interceptor for the wire format
+ * @return An interceptor that realize the policySet
+ */
+ Interceptor createInterceptor();
+
+ /**
+ * Get the phase that the interceptor should be added
+ * @return The phase that this interceptor belongs to
+ */
+ String getPhase();
+}
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.java b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.java
new file mode 100644
index 0000000000..fd748df6ca
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.WireFormat;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface WireFormatProviderFactory<M extends WireFormat> extends ProviderFactory<M> {
+ /**
+ * Create wire format provider for a given reference binding
+ * @param component
+ * @param reference
+ * @param binding
+ * @return
+ */
+ WireFormatProvider createReferenceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding);
+
+ /**
+ * Create policy provider for a given service binding
+ * @param component
+ * @param service
+ * @param binding
+ * @return
+ */
+ WireFormatProvider createServiceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding);
+}