diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany')
11 files changed, 1134 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/DistributedSCABinding.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/DistributedSCABinding.java new file mode 100644 index 0000000000..167c93e86d --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/DistributedSCABinding.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.binding.sca;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.SCABinding;
+
+
+/**
+ * Represents an SCA binding used in the distributed runtime.
+ * At the moment just provides us with a sensibly named type
+ * against which the distributed sca binding providers can be registered
+ *
+ * @version $Rev: 556322 $ $Date: 2007-07-14 19:53:15 +0100 (Sat, 14 Jul 2007) $
+ */
+public interface DistributedSCABinding extends Binding {
+
+ SCABinding getSCABinding();
+ void setSCABinding(SCABinding scaBinding);
+
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/SCABindingDefinitionsProvider.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/SCABindingDefinitionsProvider.java new file mode 100644 index 0000000000..bd24d4b14c --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/SCABindingDefinitionsProvider.java @@ -0,0 +1,73 @@ +/* + * 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.binding.sca; + +import java.net.URI; +import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.security.PrivilegedExceptionAction; + +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.definitions.SCADefinitions; +import org.apache.tuscany.sca.provider.SCADefinitionsProvider; +import org.apache.tuscany.sca.provider.SCADefinitionsProviderException; + +/** + * Provider for Policy Intents and PolicySet definitions related to security + * + * @version $Rev$ $Date$ + */ +public class SCABindingDefinitionsProvider implements SCADefinitionsProvider { + private String definitionsFile = "org/apache/tuscany/sca/binding/sca/definitions.xml"; + URLArtifactProcessor urlArtifactProcessor = null; + + public SCABindingDefinitionsProvider(ExtensionPointRegistry registry) { + URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(SCADefinitions.class); + } + + public SCADefinitions getSCADefinition() throws SCADefinitionsProviderException { + // Allow privileged access to load resource. Requires RuntimePermssion in security policy. + final URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() { + public URL run() { + return getClass().getClassLoader().getResource(definitionsFile); + } + }); + + SCADefinitions scaDefn = null; + try { + final URI uri = new URI(definitionsFile); + // Allow bindings to read properties. Requires PropertyPermission read in security policy. + scaDefn = AccessController.doPrivileged(new PrivilegedExceptionAction<SCADefinitions>() { + public SCADefinitions run() throws ContributionReadException { + return (SCADefinitions)urlArtifactProcessor.read(null, uri, definitionsFileUrl); + } + }); + } catch (Exception e) { + throw new SCADefinitionsProviderException(e); + } + return scaDefn; + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/DistributedSCABindingImpl.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/DistributedSCABindingImpl.java new file mode 100644 index 0000000000..43b0cd8f4e --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/DistributedSCABindingImpl.java @@ -0,0 +1,116 @@ +/*
+ * 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.binding.sca.impl;
+
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.binding.sca.DistributedSCABinding;
+
+/**
+ * The Distributed SCA binding wrapper for the SCA binding model object. This is currently
+ * just used to locate the remote binding extension and pass the SCA binding to the remote
+ * extension. It isn't used in the model itself
+ *
+ * @version $Rev: 564307 $ $Date: 2007-08-09 18:48:29 +0100 (Thu, 09 Aug 2007) $
+ */
+public class DistributedSCABindingImpl implements DistributedSCABinding {
+
+ private SCABinding scaBinding;
+
+ /**
+ * Getter for the wrapped sca binding model object
+ *
+ * @return the sca binding model element
+ */
+ public SCABinding getSCABinding(){
+ return scaBinding;
+ }
+
+ /**
+ * Setter for the wrapped sca binding model element
+ *
+ * @param scaBinding the sca binding model element
+ */
+ public void setSCABinding(SCABinding scaBinding){
+ this.scaBinding = scaBinding;
+ }
+
+
+ // Operation implementations provided to make this class a
+ // valid Binding
+
+ /**
+ * Returns the binding URI.
+ *
+ * @return the binding URI
+ */
+ public String getURI(){
+ return null;
+ }
+
+ /**
+ * Sets the binding URI.
+ *
+ * @param uri the binding URI
+ */
+ public void setURI(String uri){
+ }
+
+ /**
+ * Returns the binding name.
+ *
+ * @return the binding name
+ */
+ public String getName(){
+ return null;
+ }
+
+ /**
+ * Sets the binding name.
+ *
+ * @param name the binding name
+ */
+ public void setName(String name){
+ }
+
+ /**
+ * Returns true if the model element is unresolved.
+ *
+ * @return true if the model element is unresolved.
+ */
+ public boolean isUnresolved(){
+ return false;
+ }
+
+ /**
+ * Sets whether the model element is unresolved.
+ *
+ * @param unresolved whether the model element is unresolved
+ */
+ public void setUnresolved(boolean unresolved){
+ }
+
+ /**
+ * Clone the binding
+ */
+ @Override
+ public Object clone() throws CloneNotSupportedException {
+ return super.clone();
+ }
+
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RemoteBindingHelper.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RemoteBindingHelper.java new file mode 100644 index 0000000000..5ebbea62eb --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RemoteBindingHelper.java @@ -0,0 +1,44 @@ +/*
+ * 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.binding.sca.impl;
+
+/**
+ * TODO: TUSCANY-2578, implement a pluggable mechanism so sca binding impls can
+ * add their own code to the decision on whether or not to use
+ * the remote binding provider.
+ */
+public class RemoteBindingHelper {
+
+ private static boolean alwaysRemote;
+ static {
+ try {
+ Class.forName("org.apache.tuscany.sca.binding.sca.jms.JMSSCABindingProviderFactory");
+ Class.forName("javax.jms.IllegalStateException");
+ alwaysRemote = true;
+ } catch (ClassNotFoundException e) {
+ alwaysRemote = false;
+ }
+ }
+
+ public static boolean isTargetRemote() {
+ return alwaysRemote;
+ }
+
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java new file mode 100644 index 0000000000..5c1cefb808 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java @@ -0,0 +1,61 @@ +/* + * 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.binding.sca.impl; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; + +/** + * The local SCA Binding provider implementation. It is not currently used. + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCABindingProvider implements ReferenceBindingProvider { + + private RuntimeComponentReference reference; + + public RuntimeSCABindingProvider(RuntimeComponent component, RuntimeComponentReference reference, SCABinding binding) { + this.reference = reference; + } + + public InterfaceContract getBindingInterfaceContract() { + return reference.getInterfaceContract(); + } + + public Invoker createInvoker(Operation operation) { + return null; + } + + public void start() { + } + + public void stop() { + } + + public boolean supportsOneWayInvocation() { + return false; + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java new file mode 100644 index 0000000000..5dda74f72e --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java @@ -0,0 +1,62 @@ +/* + * 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.binding.sca.impl; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * The factory for creating SCA Binding providers + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCABindingProviderFactory implements BindingProviderFactory<SCABinding> { + + private ExtensionPointRegistry extensionPoints; + + public RuntimeSCABindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + SCABinding binding) { + + return new RuntimeSCAReferenceBindingProvider(extensionPoints, component, reference, binding); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + SCABinding binding) { + return new RuntimeSCAServiceBindingProvider(extensionPoints, component, service, binding); + } + + public Class<SCABinding> getModelType() { + return SCABinding.class; + } +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java new file mode 100644 index 0000000000..fa5a9b062b --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java @@ -0,0 +1,252 @@ +/* + * 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.binding.sca.impl; + +import java.net.URI; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.assembly.OptimizableBinding; +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.EndpointReference; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; +import org.osoa.sca.ServiceUnavailableException; + +/** + * The sca reference binding provider mediates between the twin requirements of + * local sca bindings and remote sca bindings. In the local case is does + * very little. When the sca binding model is set as being remote (because a + * reference target can't be resolved in the current model) this binding will + * try and create a remote connection to it + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCAReferenceBindingProvider implements ReferenceBindingProvider { + + private static final Logger logger = Logger.getLogger(RuntimeSCAReferenceBindingProvider.class.getName()); + + private RuntimeComponent component; + private RuntimeComponentReference reference; + private SCABinding binding; + private boolean started = false; + + private BindingProviderFactory<DistributedSCABinding> distributedProviderFactory = null; + private ReferenceBindingProvider distributedProvider = null; + + public RuntimeSCAReferenceBindingProvider(ExtensionPointRegistry extensionPoints, + RuntimeComponent component, + RuntimeComponentReference reference, + SCABinding binding) { + this.component = component; + this.reference = reference; + this.binding = binding; + + // look to see if a distributed SCA binding implementation has + // been included on the classpath. This will be needed by the + // provider itself to do it's thing + ProviderFactoryExtensionPoint factoryExtensionPoint = + extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + distributedProviderFactory = + (BindingProviderFactory<DistributedSCABinding>)factoryExtensionPoint + .getProviderFactory(DistributedSCABinding.class); + + } + + public boolean isTargetRemote() { + boolean targetIsRemote = false; + + // first look at the target service and see if this has been resolved + OptimizableBinding optimizableBinding = (OptimizableBinding)binding; + + // The decision is based on the results of the wiring process in the assembly model + // The SCA binding is used to represent unresolved reference targets, i.e. those + // reference targets that need resolving at run time. We can tell by lookin if the + // service to which this binding refers is resolved or not. + // + // TODO - When a callback is in operation. A callback reference bindings sometimes has to + // act as though there is a local wire and sometimes as if there is a remote wire + // what are the implications of this here? + + if (RemoteBindingHelper.isTargetRemote()) { + if (reference.getInterfaceContract() != null) { + targetIsRemote = reference.getInterfaceContract().getInterface().isRemotable(); + } else { + targetIsRemote = true; + } + } else if (optimizableBinding.getTargetComponentService() != null) { + if (optimizableBinding.getTargetComponentService().isUnresolved() == true) { + targetIsRemote = true; + } else { + targetIsRemote = false; + } + } else { + // the case where the wire is specified by URI, e.g. callbacks or user specified bindings, and + // look at the provided URI to decide whether it is a local or remote case + try { + URI uri = new URI(binding.getURI()); + if (uri.isAbsolute()) { + targetIsRemote = true; + } else { + targetIsRemote = false; + } + } catch (Exception ex) { + targetIsRemote = false; + } + } + return targetIsRemote; + } + + private ReferenceBindingProvider getDistributedProvider() { + + if (isTargetRemote() || isRemotableCallback()) { + // initialize the remote provider if it hasn't been done already + if (distributedProvider == null) { + if (reference.getInterfaceContract() != null && !reference.getInterfaceContract().getInterface().isRemotable()) { + throw new IllegalStateException("Reference interface not remotable for component: " + component + .getName() + + " and reference: " + + reference.getName()); + } + + if (distributedProviderFactory == null) { + throw new IllegalStateException("No distributed SCA binding available for component: " + component + .getName() + + " and reference: " + + reference.getName()); + } + + // create the remote provider + DistributedSCABinding distributedBinding = new DistributedSCABindingImpl(); + distributedBinding.setSCABinding(binding); + + distributedProvider = + distributedProviderFactory.createReferenceBindingProvider(component, reference, distributedBinding); + } + } + + return distributedProvider; + } + + /* + * This test is needed to make sure the distributed binding provider + * is started and stopped if this is a callback binding that might + * need to make a remote invocation. + */ + private boolean isRemotableCallback() { + if (reference.isCallback() && + reference.getInterfaceContract() != null && + reference.getInterfaceContract().getInterface().isRemotable() && + distributedProviderFactory != null) { + return true; + } else { + return false; + } + } + + public InterfaceContract getBindingInterfaceContract() { + if (isTargetRemote()) { + return getDistributedProvider().getBindingInterfaceContract(); + } else { + if (reference.getReference() != null) { + return reference.getReference().getInterfaceContract(); + } else { + return reference.getInterfaceContract(); + } + } + } + + public boolean supportsOneWayInvocation() { + if (isTargetRemote()) { + return getDistributedProvider().supportsOneWayInvocation(); + } else { + return false; + } + } + + private Invoker getInvoker(RuntimeWire wire, Operation operation) { + EndpointReference target = wire.getTarget(); + if (target != null) { + RuntimeComponentService service = (RuntimeComponentService)target.getContract(); + if (service != null) { // not a callback wire + SCABinding scaBinding = service.getBinding(SCABinding.class); + InvocationChain chain = + service.getInvocationChain(scaBinding, wire.getSource().getInterfaceContract(), operation); + return chain == null ? null : new SCABindingInvoker(chain); + } + } + return null; + } + + public Invoker createInvoker(Operation operation) { + if (isTargetRemote()) { + return getDistributedProvider().createInvoker(operation); + } else { + RuntimeWire wire = reference.getRuntimeWire(binding); + Invoker invoker = getInvoker(wire, operation); + if (invoker == null) { + throw new ServiceUnavailableException("Unable to create SCA binding invoker for local target " + component.getName() + + " reference " + + reference.getName() + + " (bindingURI=" + + binding.getURI() + + " operation=" + + operation.getName() + + ")" ); + } + return invoker; + } + } + + public void start() { + if (started) { + return; + } else { + started = true; + } + + if (getDistributedProvider() != null) { + distributedProvider.start(); + } + } + + public void stop() { + if (!started) { + return; + } else { + started = false; + } + + if (getDistributedProvider() != null) { + distributedProvider.stop(); + } + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java new file mode 100644 index 0000000000..8994ba5381 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java @@ -0,0 +1,154 @@ +/* + * 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.binding.sca.impl; + +import java.net.URI; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * The sca service binding provider mediates between the twin requirements of + * local sca bindings and remote sca bindings. In the local case is does + * very little. When the sca binding model is set as being remote this binding will + * try and create a remote service endpoint for remote references to connect to + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCAServiceBindingProvider implements ServiceBindingProvider { + + private RuntimeComponentService service; + private BindingProviderFactory<DistributedSCABinding> distributedProviderFactory; + private ServiceBindingProvider distributedProvider; + private DistributedSCABinding distributedBinding; + + public RuntimeSCAServiceBindingProvider(ExtensionPointRegistry extensionPoints, + RuntimeComponent component, + RuntimeComponentService service, + SCABinding binding) { + this.service = service; + // if there is potentially a wire to this service that crosses the node boundary + if (service.getInterfaceContract().getInterface().isRemotable()) { + + // look to see if a distributed SCA binding implementation has + // been included on the classpath. This will be needed by the + // provider itself to do it's thing + ProviderFactoryExtensionPoint factoryExtensionPoint = + extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + distributedProviderFactory = + (BindingProviderFactory<DistributedSCABinding>)factoryExtensionPoint + .getProviderFactory(DistributedSCABinding.class); + + // Check the things that will generally be required to set up a + // distributed sca domain reference provider. I.e. make sure that we have a + // - distributed implementation of the sca binding available + // - remotable interface on the service + if (distributedProviderFactory != null) { + + URI serviceURI = null; + try { + serviceURI = new URI(binding.getURI()); + } catch(Exception ex) { + + } + + if (RemoteBindingHelper.isTargetRemote() || ((serviceURI != null) && (serviceURI.isAbsolute()))) { + + // create a nested provider to handle the remote case + distributedBinding = new DistributedSCABindingImpl(); + distributedBinding.setSCABinding(binding); + + distributedProvider = + distributedProviderFactory.createServiceBindingProvider(component, service, distributedBinding); + + + } else { + /* do nothing at the moment as only apps using the node implementation + * will currently have the distributed domain set. + * + throw new IllegalStateException("No distributed domain available for component: "+ + component.getName() + + " and service: " + + service.getName()); + */ + } + } else { + /* do nothing at the moment as all services with remotable interfaces + * are marked as remote + throw new IllegalStateException("No distributed SCA binding available for component: "+ + component.getName() + + " and service: " + + service.getName()); + */ + } + } + } + + public InterfaceContract getBindingInterfaceContract() { + if (distributedProvider != null) { + return distributedProvider.getBindingInterfaceContract(); + } else { + if (service.getService() != null) { + return service.getService().getInterfaceContract(); + } else { + return service.getInterfaceContract(); + } + } + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public void start() { + if (distributedProvider != null) { + distributedProvider.start(); + } + } + + public void stop() { + if (distributedProvider != null) { + distributedProvider.stop(); + } + + if (distributedBinding != null) { + // reset the binding URI to null so that if the composite containing the component + // with the service/binding is restarted the binding will have the correct URI set + SCABinding scaBinding = distributedBinding.getSCABinding(); + try { + URI tempURI = new URI(scaBinding.getURI()); + if (!tempURI.isAbsolute()){ + scaBinding.setURI(null); + } + } catch (Exception ex){ + scaBinding.setURI(null); + } + } + + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingFactoryImpl.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingFactoryImpl.java new file mode 100644 index 0000000000..ea758823a9 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingFactoryImpl.java @@ -0,0 +1,40 @@ +/* + * 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.binding.sca.impl; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.assembly.SCABindingFactory; + +/** + * A factory for the SCA binding model. + * + * @version $Rev$ $Date$ + */ +public class SCABindingFactoryImpl implements SCABindingFactory { + + public SCABindingFactoryImpl (){ + + } + + public SCABinding createSCABinding() { + return new SCABindingImpl(); + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingImpl.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingImpl.java new file mode 100644 index 0000000000..638a263a61 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingImpl.java @@ -0,0 +1,224 @@ +/* + * 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.binding.sca.impl; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Extensible; +import org.apache.tuscany.sca.assembly.Extension; +import org.apache.tuscany.sca.assembly.OptimizableBinding; +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.assembly.builder.AutomaticBinding; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.IntentAttachPointType; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; + +/** + * The assembly mode object for an SCA binding. + * + * @version $Rev$ $Date$ + */ +public class SCABindingImpl implements SCABinding, Extensible, PolicySetAttachPoint, OptimizableBinding, AutomaticBinding { + private String name; + private String uri; + private List<Object> extensions = new ArrayList<Object>(); + private List<Extension> attributeExtensions = new ArrayList<Extension>(); + private List<Intent> requiredIntents = new ArrayList<Intent>(); + private List<PolicySet> policySets = new ArrayList<PolicySet>(); + private IntentAttachPointType intentAttachPointType; + + private Component targetComponent; + private ComponentService targetComponentService; + private Binding targetBinding; + private List<PolicySet> applicablePolicySets = new ArrayList<PolicySet>(); + + private boolean isAutomatic = false; + + public List<PolicySet> getApplicablePolicySets() { + return applicablePolicySets; + } + + /** + * Constructs a new SCA binding. + */ + protected SCABindingImpl() { + } + + // SCA Binding operations + + /** + * Setters for the binding name. Defaults to the + * name of the service or reference with which the binding is + * associated + * + * @return the binding name + */ + public String getName() { + return name; + } + + /** + * Setter for the binding name + * + * @param name the binding name + */ + public void setName(String name) { + this.name = name; + } + + /** + * Getters for the binding URI. The computed URI for the + * service that the reference is targeting or which the service represents + * depending on whether the biding is associated with a reference or + * service + * + * @return the binding URI + */ + public String getURI() { + return uri; + } + + /** + * Setter for the binding URI + * + * @param uri the binding URI + */ + public void setURI(String uri) { + this.uri = uri; + } + + public List<Object> getExtensions() { + return extensions; + } + + public List<Extension> getAttributeExtensions() { + return attributeExtensions; + } + + /** + * Returns true if the model element is unresolved. + * + * @return true if the model element is unresolved. + */ + public boolean isUnresolved() { + if (targetComponentService == null){ + return true; + } else { + return targetComponentService.isUnresolved(); + } + } + + /** + * Sets whether the model element is unresolved. + * + * @param unresolved whether the model element is unresolved + */ + public void setUnresolved(boolean unresolved) { + } + + /** + * @see java.lang.Object#clone() + */ + @Override + public Object clone() throws CloneNotSupportedException { + return super.clone(); + } + + public List<PolicySet> getPolicySets() { + return policySets; + } + + public List<Intent> getRequiredIntents() { + return requiredIntents; + } + + public IntentAttachPointType getType() { + return intentAttachPointType; + } + + public void setType(IntentAttachPointType intentAttachPointType) { + this.intentAttachPointType = intentAttachPointType; + } + + // Wireable binding operations + + /** + * @return the targetComponent + */ + public Component getTargetComponent() { + return targetComponent; + } + + /** + * @param targetComponent the targetComponent to set + */ + public void setTargetComponent(Component targetComponent) { + this.targetComponent = targetComponent; + } + + /** + * @return the targetComponentService + */ + public ComponentService getTargetComponentService() { + return targetComponentService; + } + + /** + * @param targetComponentService the targetComponentService to set + */ + public void setTargetComponentService(ComponentService targetComponentService) { + this.targetComponentService = targetComponentService; + } + + /** + * @return the targetBinding + */ + public Binding getTargetBinding() { + return targetBinding; + } + + /** + * @param targetBinding the targetBinding to set + */ + public void setTargetBinding(Binding targetBinding) { + this.targetBinding = targetBinding; + } + + public void setPolicySets(List<PolicySet> policySets) { + this.policySets = policySets; + } + + public void setRequiredIntents(List<Intent> intents) { + this.requiredIntents = intents; + } + + + public void setIsAutomatic(boolean isAutomatic){ + this.isAutomatic = isAutomatic; + } + + public boolean getIsAutomatic(){ + return this.isAutomatic; + } +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingInvoker.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingInvoker.java new file mode 100644 index 0000000000..52c0f64fe5 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingInvoker.java @@ -0,0 +1,71 @@ +/* + * 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.binding.sca.impl; + +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.DataExchangeSemantics; + +/** + * @version $Rev$ $Date$ + */ +public class SCABindingInvoker implements Interceptor, DataExchangeSemantics { + private InvocationChain chain; + + /** + * Construct a SCABindingInvoker that delegates to the service invocaiton chain + * @param chain + */ + public SCABindingInvoker(InvocationChain chain) { + super(); + this.chain = chain; + } + + /** + * @see org.apache.tuscany.sca.invocation.Interceptor#getNext() + */ + public Invoker getNext() { + return chain.getHeadInvoker(); + } + + /** + * @see org.apache.tuscany.sca.invocation.Interceptor#setNext(org.apache.tuscany.sca.invocation.Invoker) + */ + public void setNext(Invoker next) { + // NOOP + } + + /** + * @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message) + */ + public Message invoke(Message msg) { + return getNext().invoke(msg); + } + + /** + * @see org.apache.tuscany.sca.invocation.DataExchangeSemantics#allowsPassByReference() + */ + public boolean allowsPassByReference() { + return chain.allowsPassByReference(); + } + +} |