diff options
Diffstat (limited to 'tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl')
4 files changed, 0 insertions, 1249 deletions
diff --git a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java b/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java deleted file mode 100644 index 5218a7fd01..0000000000 --- a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java +++ /dev/null @@ -1,154 +0,0 @@ -/* - * 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.core.context.impl; - - -import java.util.List; - -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.context.ThreadMessageContext; -import org.apache.tuscany.sca.core.assembly.impl.RuntimeWireImpl; -import org.apache.tuscany.sca.core.invocation.ProxyFactory; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeWire; - -public class CallbackServiceReferenceImpl<B> extends ServiceReferenceImpl<B> { - private RuntimeWire wire; - private List<RuntimeWire> wires; - private Endpoint resolvedEndpoint; - - /* - * Public constructor for Externalizable serialization/deserialization - */ - public CallbackServiceReferenceImpl() { - super(); - } - - public CallbackServiceReferenceImpl(Class<B> interfaze, List<RuntimeWire> wires, ProxyFactory proxyFactory) { - super(interfaze, null, proxyFactory); - this.wires = wires; - init(); - } - - public void init() { - Message msgContext = ThreadMessageContext.getMessageContext(); - wire = selectCallbackWire(msgContext); - if (wire == null) { - //FIXME: need better exception - throw new RuntimeException("No callback binding found for " + msgContext.getTo().toString()); - } - resolvedEndpoint = msgContext.getFrom().getCallbackEndpoint(); - } - - @Override - protected Object createProxy() throws Exception { - return proxyFactory.createCallbackProxy(this); - } - - public RuntimeWire getCallbackWire() { - if (resolvedEndpoint == null) { - return null; - } else { - return cloneAndBind(wire); - } - } - - public Endpoint getResolvedEndpoint() { - return resolvedEndpoint; - } - - private RuntimeWire selectCallbackWire(Message msgContext) { - // look for callback binding with same name as service binding - Endpoint to = msgContext.getTo(); - if (to == null) { - //FIXME: need better exception - throw new RuntimeException("Destination for forward call is not available"); - } - for (RuntimeWire wire : wires) { - if (wire.getEndpointReference().getBinding().getName().equals(to.getBinding().getName())) { - return wire; - } - } - - // if no match, look for callback binding with same type as service binding - for (RuntimeWire wire : wires) { - if (wire.getEndpointReference().getBinding().getClass() == to.getBinding().getClass()) { - return wire; - } - } - - // no suitable callback wire was found - return null; - } - - private RuntimeWire cloneAndBind(RuntimeWire wire) { - RuntimeWire boundWire = null; - if (resolvedEndpoint != null) { - boundWire = ((RuntimeWireImpl)wire).lookupCache(resolvedEndpoint); - if (boundWire != null) { - return boundWire; - } - try { - // TODO - EPR - is this correct? - - // Fluff up a new response wire based on the callback endpoint - RuntimeComponentReference ref = - bind((RuntimeComponentReference)wire.getEndpointReference().getReference(), - resolvedEndpoint); - - boundWire = ref.getRuntimeWires().get(0); - - Binding binding = wire.getEndpointReference().getBinding(); - - ((RuntimeWireImpl)wire).addToCache(resolvedEndpoint, boundWire); - } catch (CloneNotSupportedException e) { - // will not happen - } - } - return boundWire; - } - - private RuntimeComponentReference bind(RuntimeComponentReference reference, - Endpoint callbackEndpoint) throws CloneNotSupportedException { - - // clone the callback reference ready to configure it for this callback endpoint - RuntimeComponentReference ref = (RuntimeComponentReference)reference.clone(); - ref.getTargets().clear(); - ref.getBindings().clear(); - ref.getEndpointReferences().clear(); - - // no access to the assembly factory so clone an existing epr - EndpointReference callbackEndpointReference = (EndpointReference)reference.getEndpointReferences().get(0).clone(); - - callbackEndpointReference.setReference(ref); - callbackEndpointReference.setTargetEndpoint(callbackEndpoint); - callbackEndpointReference.setUnresolved(true); - - // TODO - should really use incoming callback info but awaiting - // decision from OASIS on what will happen with callbacks - // The callback endpoint will be resolved with the registry - // when the wire chains are created - ref.getEndpointReferences().add(callbackEndpointReference); - - return ref; - } -} diff --git a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java b/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java deleted file mode 100644 index 4e71181747..0000000000 --- a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java +++ /dev/null @@ -1,496 +0,0 @@ -/* - * 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.core.context.impl; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.List; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.assembly.Component; -import org.apache.tuscany.sca.assembly.ComponentProperty; -import org.apache.tuscany.sca.assembly.ComponentReference; -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.assembly.Multiplicity; -import org.apache.tuscany.sca.assembly.OptimizableBinding; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.context.CompositeContext; -import org.apache.tuscany.sca.context.ContextFactoryExtensionPoint; -import org.apache.tuscany.sca.context.PropertyValueFactory; -import org.apache.tuscany.sca.context.RequestContextFactory; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; -import org.apache.tuscany.sca.core.invocation.ProxyFactory; -import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint; -import org.apache.tuscany.sca.interfacedef.Interface; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.monitor.MonitorFactory; -import org.apache.tuscany.sca.runtime.CompositeActivator; -import org.apache.tuscany.sca.runtime.EndpointReferenceBinder; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentContext; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.oasisopen.sca.RequestContext; -import org.oasisopen.sca.SCARuntimeException; -import org.oasisopen.sca.ServiceReference; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Implementation of ComponentContext that delegates to a ComponentContextProvider. - * - * @version $Rev$ $Date$ - */ -public class ComponentContextImpl implements RuntimeComponentContext { - private final RuntimeComponent component; - - private final CompositeContext compositeContext; - private final CompositeActivator compositeActivator; - private final RequestContextFactory requestContextFactory; - private final ProxyFactory proxyFactory; - private final AssemblyFactory assemblyFactory; - private final JavaInterfaceFactory javaInterfaceFactory; - private final PropertyValueFactory propertyFactory; - private final EndpointReferenceBinder eprBinder; - private final Monitor monitor; - - public ComponentContextImpl(ExtensionPointRegistry registry, CompositeContext compositeContext, RuntimeComponent component) { - this.component = component; - FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); - this.assemblyFactory = factories.getFactory(AssemblyFactory.class); - this.javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class); - - UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); - this.compositeContext = compositeContext; - - this.compositeActivator = utilities.getUtility(CompositeActivator.class); - - this.requestContextFactory = - registry.getExtensionPoint(ContextFactoryExtensionPoint.class).getFactory(RequestContextFactory.class); - this.proxyFactory = new ExtensibleProxyFactory(registry.getExtensionPoint(ProxyFactoryExtensionPoint.class)); - this.propertyFactory = factories.getFactory(PropertyValueFactory.class); - - this.eprBinder = utilities.getUtility(EndpointReferenceBinder.class); - - MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); - this.monitor = monitorFactory.createMonitor(); - } - - public String getURI() { - return component.getURI(); - } - - public <B, R extends ServiceReference<B>> R cast(B target) throws IllegalArgumentException { - return (R)proxyFactory.cast(target); - } - - public <B> B getService(Class<B> businessInterface, String referenceName) { - ServiceReference<B> serviceRef = getServiceReference(businessInterface, referenceName); - return serviceRef.getService(); - } - - public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String referenceName) { - try { - for (ComponentReference ref : component.getReferences()) { - if (referenceName.equals(ref.getName())) { - /* ******************** Contribution for issue TUSCANY-2281 ******************** */ - Multiplicity multiplicity = ref.getMultiplicity(); - if (multiplicity == Multiplicity.ZERO_N || multiplicity == Multiplicity.ONE_N) { - throw new IllegalArgumentException("Reference " + referenceName - + " has multiplicity " - + multiplicity); - } - /* ******************** Contribution for issue TUSCANY-2281 ******************** */ - - return getServiceReference(businessInterface, (RuntimeComponentReference)ref, null); - } - } - throw new ServiceRuntimeException("Reference not found: " + referenceName); - } catch (ServiceRuntimeException e) { - throw e; - } catch (Exception e) { - if (e instanceof RuntimeException) { - throw (RuntimeException)e; - } - throw new ServiceRuntimeException(e.getMessage(), e); - } - } - - /** - * Gets the value for the specified property with the specified type. - * - * @param type The type of the property value we are getting - * @param propertyName The name of the property we are getting - * @param B The class of the property value we are getting - * - * @throws ServiceRuntimeException If a Property for the specified propertyName - * is not found - * - * @see #setPropertyValueFactory(PropertyValueFactory) - */ - public <B> B getProperty(Class<B> type, String propertyName) { - for (ComponentProperty p : component.getProperties()) { - if (propertyName.equals(p.getName())) { - return propertyFactory.createPropertyValue(p, type); - } - } - throw new ServiceRuntimeException("Property not found: " + propertyName); - } - - /** - * @param component - */ - public static ComponentService getSingleService(Component component) { - ComponentService targetService; - List<ComponentService> services = component.getServices(); - List<ComponentService> regularServices = new ArrayList<ComponentService>(); - for (ComponentService service : services) { - if (service.isForCallback()) { - continue; - } - String name = service.getName(); - if (!name.startsWith("$") || name.startsWith("$dynamic$")) { - regularServices.add(service); - } - } - if (regularServices.size() == 0) { - throw new ServiceRuntimeException("No service is declared on component " + component.getURI()); - } - if (regularServices.size() != 1) { - throw new ServiceRuntimeException("More than one service is declared on component " + component.getURI() - + ". Service name is required to get the service."); - } - targetService = regularServices.get(0); - return targetService; - } - - - public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface) { - ComponentService service = getSingleService(component); - try { - return createSelfReference(businessInterface, service); - } catch (Exception e) { - throw new ServiceRuntimeException(e.getMessage(), e); - } - } - - public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, String serviceName) { - try { - for (ComponentService service : component.getServices()) { - if (serviceName.equals(service.getName())) { - return createSelfReference(businessInterface, service); - } - } - throw new ServiceRuntimeException("Service not found: " + serviceName); - } catch (ServiceRuntimeException e) { - throw e; - } catch (Exception e) { - throw new ServiceRuntimeException(e.getMessage(), e); - } - } - - /** - * @param <B> - * @param businessInterface - * @param service - * @return - */ - public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, ComponentService service) { - try { - RuntimeComponentReference ref = - (RuntimeComponentReference)createSelfReference(component, service, businessInterface); - ref.setComponent(component); - return getServiceReference(businessInterface, ref, null); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - public RequestContext getRequestContext() { - if (requestContextFactory != null) { - return requestContextFactory.createRequestContext(component); - } else { - return new RequestContextImpl(component); - } - } - - /** - * @param businessInterface - * @param reference - * @return - * @throws CloneNotSupportedException - * @throws InvalidInterfaceException - */ - public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, - RuntimeComponentReference reference, - EndpointReference endpointReference) { - try { - RuntimeComponentReference ref = (RuntimeComponentReference)reference; - InterfaceContract interfaceContract = reference.getInterfaceContract(); - Reference componentTypeReference = reference.getReference(); - if (componentTypeReference != null && componentTypeReference.getInterfaceContract() != null) { - interfaceContract = componentTypeReference.getInterfaceContract(); - } - InterfaceContract refInterfaceContract = getInterfaceContract(interfaceContract, businessInterface); - if (refInterfaceContract != interfaceContract) { - ref = (RuntimeComponentReference)reference.clone(); - if (interfaceContract != null) { - ref.setInterfaceContract(interfaceContract); - } else { - ref.setInterfaceContract(refInterfaceContract); - } - } - ref.setComponent(component); - return new ServiceReferenceImpl<B>(businessInterface, component, ref, endpointReference, proxyFactory, - component.getComponentContext().getCompositeContext()); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - /** - * Bind a component reference to a component service - * @param <B> - * @param businessInterface - * @param reference - * @param service - * @return - * @throws CloneNotSupportedException - * @throws InvalidInterfaceException - */ - public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, - RuntimeComponentReference reference, - RuntimeComponent component, - RuntimeComponentService service) { - try { - RuntimeComponentReference ref = (RuntimeComponentReference)reference.clone(); - InterfaceContract interfaceContract = reference.getInterfaceContract(); - Reference componentTypeReference = reference.getReference(); - if (componentTypeReference != null && componentTypeReference.getInterfaceContract() != null) { - interfaceContract = componentTypeReference.getInterfaceContract(); - } - InterfaceContract refInterfaceContract = getInterfaceContract(interfaceContract, businessInterface); - if (refInterfaceContract != interfaceContract) { - ref = (RuntimeComponentReference)reference.clone(); - ref.setInterfaceContract(interfaceContract); - } - ref.getTargets().add(service); - ref.getBindings().clear(); - for (Binding binding : service.getBindings()) { - if (binding instanceof OptimizableBinding) { - OptimizableBinding optimizableBinding = (OptimizableBinding)((OptimizableBinding)binding).clone(); - optimizableBinding.setTargetBinding(binding); - optimizableBinding.setTargetComponent(component); - optimizableBinding.setTargetComponentService(service); - ref.getBindings().add(optimizableBinding); - } else { - ref.getBindings().add(binding); - } - } - return new ServiceReferenceImpl<B>(businessInterface, component, ref, null, proxyFactory, compositeContext); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - public <B> ServiceReference<B> getCallableReference(Class<B> businessInterface, - RuntimeComponent component, - RuntimeComponentService service) { - try { - if (businessInterface == null) { - InterfaceContract contract = service.getInterfaceContract(); - businessInterface = (Class<B>)((JavaInterface)contract.getInterface()).getJavaClass(); - } - RuntimeComponentReference ref = - (RuntimeComponentReference)createSelfReference(component, service, businessInterface); - ref.setComponent(component); - return new ServiceReferenceImpl<B>(businessInterface, component, ref, null, proxyFactory, - compositeContext); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - /** - * Create a self-reference for a component service - * @param component - * @param service - * @throws CloneNotSupportedException - * @throws InvalidInterfaceException - */ - private ComponentReference createSelfReference(Component component, - ComponentService service, - Class<?> businessInterface) throws CloneNotSupportedException, - InvalidInterfaceException { - ComponentReference componentReference = assemblyFactory.createComponentReference(); - componentReference.setName("$self$." + service.getName()); - - for (Binding binding : service.getBindings()) { - if (binding instanceof OptimizableBinding) { - OptimizableBinding optimizableBinding = (OptimizableBinding)((OptimizableBinding)binding).clone(); - optimizableBinding.setTargetBinding(binding); - optimizableBinding.setTargetComponent(component); - optimizableBinding.setTargetComponentService(service); - componentReference.getBindings().add(optimizableBinding); - } else { - componentReference.getBindings().add(binding); - } - } - - componentReference.setCallback(service.getCallback()); - componentReference.getTargets().add(service); - componentReference.getPolicySets().addAll(service.getPolicySets()); - componentReference.getRequiredIntents().addAll(service.getRequiredIntents()); - - InterfaceContract interfaceContract = service.getInterfaceContract(); - Service componentTypeService = service.getService(); - if (componentTypeService != null && componentTypeService.getInterfaceContract() != null) { - interfaceContract = componentTypeService.getInterfaceContract(); - } - interfaceContract = getInterfaceContract(interfaceContract, businessInterface); - componentReference.setInterfaceContract(interfaceContract); - componentReference.setMultiplicity(Multiplicity.ONE_ONE); - // component.getReferences().add(componentReference); - - // create endpoint reference - EndpointReference endpointReference = assemblyFactory - .createEndpointReference(); - endpointReference.setComponent(component); - endpointReference.setReference(componentReference); - endpointReference.setUnresolved(false); - endpointReference.setStatus(EndpointReference.WIRED_TARGET_FOUND_READY_FOR_MATCHING); - - // create endpoint. - Endpoint endpoint = assemblyFactory.createEndpoint(); - endpoint.setComponent(component); - endpoint.setService(service); - endpoint.setUnresolved(true); - endpointReference.setTargetEndpoint(endpoint); - - componentReference.getEndpointReferences().add(endpointReference); - - // do binding matching - boolean ok = eprBinder.bind(compositeContext.getEndpointRegistry(), endpointReference); - - if (!ok) { - throw new SCARuntimeException("Unable to bind " + endpointReference); - } - - return componentReference; - } - - /** - * @param interfaceContract - * @param businessInterface - * @return - * @throws CloneNotSupportedException - * @throws InvalidInterfaceException - */ - private InterfaceContract getInterfaceContract(InterfaceContract interfaceContract, Class<?> businessInterface) - throws CloneNotSupportedException, InvalidInterfaceException { - boolean compatible = false; - if (interfaceContract != null && interfaceContract.getInterface() != null) { - Interface interfaze = interfaceContract.getInterface(); - if (interfaze instanceof JavaInterface) { - Class<?> cls = ((JavaInterface)interfaze).getJavaClass(); - if (businessInterface.isAssignableFrom(cls)) { - compatible = true; - } - } - } - - if (!compatible) { - // The interface is not assignable from the interface contract - interfaceContract = javaInterfaceFactory.createJavaInterfaceContract(); - JavaInterface callInterface = javaInterfaceFactory.createJavaInterface(businessInterface); - interfaceContract.setInterface(callInterface); - if (callInterface.getCallbackClass() != null) { - interfaceContract.setCallbackInterface(javaInterfaceFactory.createJavaInterface(callInterface - .getCallbackClass())); - } - } - - return interfaceContract; - } - - /** - * @see org.apache.tuscany.sca.runtime.RuntimeComponentContext#start(org.apache.tuscany.sca.runtime.RuntimeComponentReference) - */ - public void start(RuntimeComponentReference reference) { - compositeActivator.start(compositeContext, component, reference); - } - - - /* ******************** Contribution for issue TUSCANY-2281 ******************** */ - - /** - * @see ComponentContext#getServices(Class<B>, String) - */ - public <B> Collection<B> getServices(Class<B> businessInterface, String referenceName) { - ArrayList<B> services = new ArrayList<B>(); - Collection<ServiceReference<B>> serviceRefs = getServiceReferences(businessInterface, referenceName); - for (ServiceReference<B> serviceRef : serviceRefs) { - services.add(serviceRef.getService()); - } - return services; - } - - /** - * @see ComponentContext#getServiceReferences(Class<B>, String) - */ - public <B> Collection<ServiceReference<B>> getServiceReferences(Class<B> businessInterface, String referenceName) { - try { - for (ComponentReference ref : component.getReferences()) { - if (referenceName.equals(ref.getName())) { - ArrayList<ServiceReference<B>> serviceRefs = new ArrayList<ServiceReference<B>>(); - for (EndpointReference endpointReference : ref.getEndpointReferences()) { - serviceRefs - .add(getServiceReference(businessInterface, (RuntimeComponentReference)ref, endpointReference)); - } - return serviceRefs; - } - } - throw new ServiceRuntimeException("Reference not found: " + referenceName); - } catch (ServiceRuntimeException e) { - throw e; - } catch (Exception e) { - throw new ServiceRuntimeException(e.getMessage(), e); - } - } - /* ******************** Contribution for issue TUSCANY-2281 ******************** */ - - public CompositeContext getCompositeContext() { - return compositeContext; - } - - public ExtensionPointRegistry getExtensionPointRegistry() { - return getCompositeContext().getExtensionPointRegistry(); - } - -} diff --git a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java b/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java deleted file mode 100644 index e8a1254dc9..0000000000 --- a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java +++ /dev/null @@ -1,118 +0,0 @@ -/* - * 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.core.context.impl; - -import java.util.List; - -import javax.security.auth.Subject; - -import org.apache.tuscany.sca.assembly.Endpoint; -import org.apache.tuscany.sca.context.ThreadMessageContext; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; -import org.apache.tuscany.sca.core.invocation.ProxyFactory; -import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.invocation.Message; -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.oasisopen.sca.RequestContext; -import org.oasisopen.sca.ServiceReference; - -/** - * @version $Rev$ $Date$ - */ -public class RequestContextImpl implements RequestContext { - - private ProxyFactoryExtensionPoint proxyFactoryExtensionPoint; - - public RequestContextImpl(RuntimeComponent component) { - ExtensionPointRegistry registry = component.getComponentContext().getExtensionPointRegistry(); - proxyFactoryExtensionPoint = registry.getExtensionPoint(ProxyFactoryExtensionPoint.class); - } - - public Subject getSecuritySubject() { - Subject subject = null; - - for (Object header : ThreadMessageContext.getMessageContext().getHeaders()){ - if (header instanceof Subject){ - subject = (Subject)header; - break; - } - } - return subject; - } - - public String getServiceName() { - return ThreadMessageContext.getMessageContext().getTo().getService().getName(); - } - - public <B> ServiceReference<B> getServiceReference() { - Message msgContext = ThreadMessageContext.getMessageContext(); - // FIXME: [rfeng] Is this the service reference matching the caller side? - Endpoint to = msgContext.getTo(); - RuntimeComponentService service = (RuntimeComponentService) to.getService(); - RuntimeComponent component = (RuntimeComponent) to.getComponent(); - - ServiceReference<B> callableReference = component.getComponentContext().getCallableReference(null, component, service); - - //TODO - EPR - not required for OASIS - //ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters(); - //((CallableReferenceExt<B>) callableReference).attachCallbackID(parameters.getCallbackID()); - //((CallableReferenceExt<B>) callableReference).attachConversation(parameters.getConversationID()); - - return callableReference; - } - - public <CB> CB getCallback() { - ServiceReference<CB> cb = getCallbackReference(); - if (cb == null) { - return null; - } - return cb.getService(); - } - - @SuppressWarnings("unchecked") - public <CB> ServiceReference<CB> getCallbackReference() { - Message msgContext = ThreadMessageContext.getMessageContext(); - Endpoint to = msgContext.getTo(); - RuntimeComponentService service = (RuntimeComponentService) to.getService(); - RuntimeComponentReference callbackReference = (RuntimeComponentReference)service.getCallbackReference(); - if (callbackReference == null) { - return null; - } - JavaInterface javaInterface = (JavaInterface) callbackReference.getInterfaceContract().getInterface(); - Class<CB> javaClass = (Class<CB>)javaInterface.getJavaClass(); - List<RuntimeWire> wires = callbackReference.getRuntimeWires(); - ProxyFactory proxyFactory = new ExtensibleProxyFactory(proxyFactoryExtensionPoint); - ServiceReferenceImpl ref = new CallbackServiceReferenceImpl(javaClass, wires, proxyFactory); - if (ref != null) { - //ref.resolveTarget(); - // TODO - EPR - not required for OASIS - //ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters(); - //ref.attachCallbackID(parameters.getCallbackID()); - //if (ref.getConversation() != null) { - // ref.attachConversationID(parameters.getConversationID()); - //} - } - return ref; - } -} diff --git a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ServiceReferenceImpl.java b/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ServiceReferenceImpl.java deleted file mode 100644 index 23126b5123..0000000000 --- a/tags/java/sca/2.0-M4-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ServiceReferenceImpl.java +++ /dev/null @@ -1,481 +0,0 @@ -/* - * 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.core.context.impl; - -import java.io.IOException; -import java.io.ObjectInput; -import java.io.ObjectOutput; -import java.io.Reader; -import java.io.StringReader; -import java.io.StringWriter; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.UUID; - -import javax.xml.stream.XMLInputFactory; -import javax.xml.stream.XMLOutputFactory; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.XMLStreamWriter; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.assembly.ComponentService; -import org.apache.tuscany.sca.assembly.CompositeService; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.assembly.builder.BindingBuilder; -import org.apache.tuscany.sca.assembly.builder.BuilderContext; -import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint; -import org.apache.tuscany.sca.context.CompositeContext; -import org.apache.tuscany.sca.contribution.processor.ContributionReadException; -import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; -import org.apache.tuscany.sca.contribution.processor.ProcessorContext; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory; -import org.apache.tuscany.sca.core.assembly.impl.ReferenceParametersImpl; -import org.apache.tuscany.sca.core.context.ServiceReferenceExt; -import org.apache.tuscany.sca.core.factory.ObjectCreationException; -import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; -import org.apache.tuscany.sca.core.invocation.ProxyFactory; -import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint; -import org.apache.tuscany.sca.interfacedef.Interface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -import org.apache.tuscany.sca.runtime.ReferenceParameters; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeWire; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Default implementation of a ServiceReference. - * - * @version $Rev$ $Date$ - * @param <B> the type of the business interface - */ -public class ServiceReferenceImpl<B> implements ServiceReferenceExt<B> { - private static final long serialVersionUID = 6763709434194361540L; - - protected transient ProxyFactory proxyFactory; - protected transient Class<B> businessInterface; - protected transient Object proxy; - - protected Object callbackID; // The callbackID should be serializable - - protected transient RuntimeComponent component; - protected transient RuntimeComponentReference reference; - protected transient EndpointReference endpointReference; - - protected String scdl; - - private transient XMLStreamReader xmlReader; - - protected transient CompositeContext compositeContext; - private ExtensionPointRegistry registry; - private FactoryExtensionPoint modelFactories; - protected RuntimeAssemblyFactory assemblyFactory; - private StAXArtifactProcessorExtensionPoint staxProcessors; - private StAXArtifactProcessor<EndpointReference> staxProcessor; - private XMLInputFactory xmlInputFactory; - private XMLOutputFactory xmlOutputFactory; - private BuilderExtensionPoint builders; - - /* - * Public constructor for Externalizable serialization/deserialization - */ - public ServiceReferenceImpl() { - super(); - } - - /* - * Public constructor for use by XMLStreamReader2CallableReference - */ - // TODO - EPR - Is this required - public ServiceReferenceImpl(XMLStreamReader xmlReader) throws Exception { - this.xmlReader = xmlReader; - resolve(); - } - - protected ServiceReferenceImpl(Class<B> businessInterface, - RuntimeComponent component, - RuntimeComponentReference reference, - EndpointReference endpointReference, - ProxyFactory proxyFactory, - CompositeContext compositeContext) { - this.proxyFactory = proxyFactory; - this.businessInterface = businessInterface; - this.component = component; - this.reference = reference; - this.endpointReference = endpointReference; - this.compositeContext = compositeContext; - - getExtensions(); - - // FIXME: The SCA Specification is not clear how we should handle multiplicity - // for CallableReference - if (this.endpointReference == null) { - - // TODO - EPR - If no endpoint reference specified assume the first one - // This will happen when a self reference is created in which case the - // the reference should only have one endpointReference so use that - if (this.reference.getEndpointReferences().size() == 0){ - throw new ServiceRuntimeException("The reference " + reference.getName() + " in component " + - component.getName() + " has no endpoint references"); - } - - if (this.reference.getEndpointReferences().size() > 1){ - throw new ServiceRuntimeException("The reference " + reference.getName() + " in component " + - component.getName() + " has more than one endpoint reference"); - } - - this.endpointReference = this.reference.getEndpointReferences().get(0); - } - - // FIXME: Should we normalize the componentName/serviceName URI into an absolute SCA URI in the SCA binding? - // sca:component1/component11/component112/service1? - initCallbackID(); - } - - private void getExtensions() { - this.registry = compositeContext.getExtensionPointRegistry(); - this.modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); - this.assemblyFactory = (RuntimeAssemblyFactory)modelFactories.getFactory(AssemblyFactory.class); - this.xmlInputFactory = modelFactories.getFactory(XMLInputFactory.class); - this.xmlOutputFactory = modelFactories.getFactory(XMLOutputFactory.class); - this.staxProcessors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); - this.staxProcessor = staxProcessors.getProcessor(EndpointReference.class); - this.builders = registry.getExtensionPoint(BuilderExtensionPoint.class); - } - - public ServiceReferenceImpl(Class<B> businessInterface, RuntimeWire wire, ProxyFactory proxyFactory) { - this.proxyFactory = proxyFactory; - this.businessInterface = businessInterface; - //ExtensionPointRegistry registry = ((RuntimeWireImpl)wire).getExtensionPoints(); - //this.modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); - //this.assemblyFactory = (RuntimeAssemblyFactory)modelFactories.getFactory(AssemblyFactory.class); - bind(wire); - } - - public RuntimeWire getRuntimeWire() { - try { - resolve(); - if (endpointReference != null){ - return reference.getRuntimeWire(endpointReference); - } else { - return null; - } - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - public EndpointReference getEndpointReference() { - return endpointReference; - } - - protected void bind(RuntimeWire wire) { - if (wire != null) { - this.component = (RuntimeComponent)wire.getEndpointReference().getComponent(); - this.reference = (RuntimeComponentReference)wire.getEndpointReference().getReference(); - this.endpointReference = wire.getEndpointReference(); - this.compositeContext = component.getComponentContext().getCompositeContext(); - initCallbackID(); - } - } - - protected void initCallbackID() { - if (reference.getInterfaceContract() != null) { - if (reference.getInterfaceContract().getCallbackInterface() != null) { - this.callbackID = createCallbackID(); - } - } - } - - public B getProxy() throws ObjectCreationException { - try { - if (proxy == null) { - proxy = createProxy(); - } - return businessInterface.cast(proxy); - } catch (Exception e) { - throw new ObjectCreationException(e); - } - } - - public void setProxy(Object proxy) { - this.proxy = proxy; - } - - protected Object createProxy() throws Exception { - return proxyFactory.createProxy(this); - } - - public B getService() { - try { - resolve(); - return getProxy(); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - public Class<B> getBusinessInterface() { - try { - resolve(); - return businessInterface; - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - public boolean isConversational() { - try { - resolve(); - return reference == null ? false : reference.getInterfaceContract().getInterface().isConversational(); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - public Object getCallbackID() { - try { - resolve(); - return callbackID; - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - /** - * Follow a service promotion chain down to the inner most (non composite) - * component service. - * - * @param topCompositeService - * @return - */ - private ComponentService getPromotedComponentService(CompositeService compositeService) { - ComponentService componentService = compositeService.getPromotedService(); - if (componentService != null) { - Service service = componentService.getService(); - if (componentService.getName() != null && service instanceof CompositeService) { - - // Continue to follow the service promotion chain - return getPromotedComponentService((CompositeService)service); - - } else { - - // Found a non-composite service - return componentService; - } - } else { - - // No promoted service - return null; - } - } - - // ============ WRITE AND READ THE REFERENCE TO EXTERNAL XML ======================== - - /** - * write the reference to a stream - * - * @see java.io.Externalizable#writeExternal(java.io.ObjectOutput) - */ - public void writeExternal(ObjectOutput out) throws IOException { - try { - String xml = null; - if (scdl == null){ - xml = toXMLString(); - } else { - xml = scdl; - } - - if (xml == null) { - out.writeBoolean(false); - } else { - out.writeBoolean(true); - out.writeUTF(xml); - } - } catch (Exception e) { - // e.printStackTrace(); - throw new IOException(e.toString()); - } - } - - /** - * write the endpoint reference into an xml string - */ - public String toXMLString() throws IOException, XMLStreamException, ContributionWriteException{ - StringWriter writer = new StringWriter(); - XMLStreamWriter streamWriter = xmlOutputFactory.createXMLStreamWriter(writer); - staxProcessor.write(endpointReference, streamWriter, new ProcessorContext(registry)); - return writer.toString(); - } - - /** - * Read the reference from a stream - * - * @see java.io.Externalizable#readExternal(java.io.ObjectInput) - */ - public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { - final boolean hasSCDL = in.readBoolean(); - if (hasSCDL) { - this.scdl = in.readUTF(); - } else { - this.scdl = null; - } - } - - /** - * Read xml string into the endpoint reference - */ - public void fromXMLString() throws IOException, XMLStreamException, ContributionReadException { - - XMLStreamReader streamReader = xmlReader; - - if (scdl != null ){ - Reader reader = new StringReader(scdl); - - if (xmlInputFactory == null){ - // this is a reference being read from a external stream - // so set up enough of the reference in order to resolved the - // xml being read - this.compositeContext = CompositeContext.getCurrentCompositeContext(); - getExtensions(); - } - - streamReader = xmlInputFactory.createXMLStreamReader(reader); - } - - endpointReference = staxProcessor.read(streamReader, new ProcessorContext(registry)); - - // ok to GC - xmlReader = null; - scdl = null; - } - - /** - * @throws IOException - */ - private synchronized void resolve() throws Exception { - if ((scdl != null || xmlReader != null) && component == null && reference == null) { - fromXMLString(); - - this.component = (RuntimeComponent)endpointReference.getComponent(); - compositeContext.bindComponent(this.component); - - this.reference = (RuntimeComponentReference)endpointReference.getReference(); - this.reference.setComponent(this.component); - - ReferenceParameters parameters = null; - for (Object ext : reference.getExtensions()) { - if (ext instanceof ReferenceParameters) { - parameters = (ReferenceParameters)ext; - break; - } - } - - if (parameters != null) { - this.callbackID = parameters.getCallbackID(); - } - - Interface i = reference.getInterfaceContract().getInterface(); - if (i instanceof JavaInterface) { - JavaInterface javaInterface = (JavaInterface)i; - if (javaInterface.isUnresolved()) { - // Allow privileged access to get ClassLoader. Requires RuntimePermission in - // security policy. - ClassLoader classLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { - public ClassLoader run() { - return Thread.currentThread().getContextClassLoader(); - } - }); - - javaInterface.setJavaClass(classLoader.loadClass(javaInterface.getName())); - JavaInterfaceFactory javaInterfaceFactory = getJavaInterfaceFactory(compositeContext); - - javaInterfaceFactory.createJavaInterface(javaInterface, javaInterface.getJavaClass()); - //FIXME: If the interface needs XSDs to be loaded (e.g., for static SDO), - // this needs to be done here. We usually search for XSDs in the current - // contribution at resolve time. Is it possible to locate the current - // contribution at runtime? - } - this.businessInterface = (Class<B>)javaInterface.getJavaClass(); - } - - Binding binding = endpointReference.getBinding(); - if (binding != null) { - BindingBuilder bindingBuilder = builders.getBindingBuilder(binding.getType()); - if (bindingBuilder != null) { - BuilderContext context = new BuilderContext(registry); - bindingBuilder.build(component, reference, endpointReference.getBinding(), context); - } - } - - this.proxyFactory = getProxyFactory(this.compositeContext); - } else if (compositeContext == null) { - this.compositeContext = CompositeContext.getCurrentCompositeContext(); - if (this.compositeContext != null) { - this.proxyFactory = getProxyFactory(this.compositeContext); - } - } - } - - private JavaInterfaceFactory getJavaInterfaceFactory(CompositeContext compositeContext) { - ExtensionPointRegistry extensionPointRegistry = compositeContext.getExtensionPointRegistry(); - FactoryExtensionPoint factories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class); - JavaInterfaceFactory javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class); - return javaInterfaceFactory; - } - - private ProxyFactory getProxyFactory(CompositeContext compositeContext) { - ExtensionPointRegistry extensionPointRegistry = compositeContext.getExtensionPointRegistry(); - ProxyFactoryExtensionPoint proxyFactories = extensionPointRegistry.getExtensionPoint(ProxyFactoryExtensionPoint.class); - return new ExtensibleProxyFactory(proxyFactories); - } - - // ================================================================================== - - /** - * Create a callback id - * - * @return the callback id - */ - private String createCallbackID() { - return UUID.randomUUID().toString(); - } - - public void attachCallbackID(Object callbackID) { - this.callbackID = callbackID; - } - - protected ReferenceParameters getReferenceParameters() { - ReferenceParameters parameters = new ReferenceParametersImpl(); - parameters.setCallbackID(callbackID); - return parameters; - } - - public XMLStreamReader getXMLReader() { - return xmlReader; - } -} |