diff options
Diffstat (limited to 'java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java')
| -rw-r--r-- | java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java deleted file mode 100644 index 3a4ff89357..0000000000 --- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java +++ /dev/null @@ -1,487 +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.CompositeService; -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.Reference; -import org.apache.tuscany.sca.assembly.SCABinding; -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.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.RuntimeEndpoint; -import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; -import org.oasisopen.sca.RequestContext; -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; - - 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); - - } - - 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) { - - for (ComponentReference ref : component.getReferences()) { - if (referenceName.equals(ref.getName())) { - Multiplicity multiplicity = ref.getMultiplicity(); - if (multiplicity == Multiplicity.ZERO_N || multiplicity == Multiplicity.ONE_N) { - throw new ServiceRuntimeException("Reference " + referenceName - + " has multiplicity " - + multiplicity); - } - return getServiceReference(businessInterface, (RuntimeEndpointReference)getEndpointReference(ref)); - } - } - throw new ServiceRuntimeException("Reference not found: " + referenceName); - - } - - /** - * Select an endpoint reference from the component reference - * @param ref - * @return - */ - private EndpointReference getEndpointReference(ComponentReference ref) { - List<EndpointReference> eprs = ref.getEndpointReferences(); - if (eprs.size() == 1) { - // Return 1st one - return eprs.get(0); - } else { - for (EndpointReference epr : eprs) { - // Try to see if there is an EPR using binding.sca - if (epr.getBinding().getType().equals(SCABinding.TYPE)) { - return epr; - } - } - return eprs.get(0); - } - } - - /** - * Select an endpoint reference from the component reference - * @param ref - * @return - */ - private Endpoint getEndpoint(ComponentService service, String bindingName) { - if (bindingName == null) { - // The default binding name is the name of the promoted service - bindingName = getPromotedService(service).getName(); - } - List<Endpoint> eps = service.getEndpoints(); - for (Endpoint ep : eps) { - Binding binding = ep.getBinding(); - if (bindingName.equals(binding.getName()) || binding.getName() == null) { - return ep; - } - } - return null; - } - - private ComponentService getPromotedService(ComponentService componentService) { - Service service = componentService.getService(); - if (service instanceof CompositeService) { - return getPromotedService(((CompositeService)service).getPromotedService()); - } else { - return componentService; - } - - } - - /** - * 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) { - if (serviceName == null) { - return createSelfReference(businessInterface); - } - try { - String bindingName = null; - int index = serviceName.indexOf('/'); - if (index != -1) { - serviceName = serviceName.substring(0, index); - bindingName = serviceName.substring(index + 1); - } - for (ComponentService service : component.getServices()) { - if (serviceName.equals(service.getName())) { - Endpoint endpoint = getEndpoint(service, bindingName); - if (endpoint == null) { - break; - } - return getServiceReference(businessInterface, (RuntimeEndpoint)endpoint); - } - } - 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 { - RuntimeEndpointReference ref = - (RuntimeEndpointReference)createEndpointReference(component, service, null, businessInterface); - ref.setComponent(component); - return getServiceReference(businessInterface, ref); - } 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, - RuntimeEndpointReference endpointReference) { - try { - RuntimeComponentReference ref = (RuntimeComponentReference)endpointReference.getReference(); - InterfaceContract interfaceContract = ref.getInterfaceContract(); - Reference componentTypeReference = ref.getReference(); - if (componentTypeReference != null && componentTypeReference.getInterfaceContract() != null) { - interfaceContract = componentTypeReference.getInterfaceContract(); - } - InterfaceContract refInterfaceContract = getInterfaceContract(interfaceContract, businessInterface); - if (refInterfaceContract != interfaceContract) { - ref = (RuntimeComponentReference)ref.clone(); - if (interfaceContract != null) { - ref.setInterfaceContract(interfaceContract); - } else { - ref.setInterfaceContract(refInterfaceContract); - } - } - ref.setComponent(component); - return new ServiceReferenceImpl<B>(businessInterface, endpointReference, component.getComponentContext() - .getCompositeContext()); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, RuntimeEndpoint endpoint) { - try { - if (businessInterface == null) { - InterfaceContract contract = endpoint.getComponentTypeServiceInterfaceContract(); - businessInterface = (Class<B>)((JavaInterface)contract.getInterface()).getJavaClass(); - } - RuntimeEndpointReference ref = - (RuntimeEndpointReference)createEndpointReference(endpoint, businessInterface); - ref.setComponent(component); - return new ServiceReferenceImpl<B>(businessInterface, ref, 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 EndpointReference createEndpointReference(Component component, - ComponentService service, - String bindingName, - Class<?> businessInterface) throws CloneNotSupportedException, - InvalidInterfaceException { - - Endpoint endpoint = getEndpoint(service, bindingName); - return createEndpointReference(endpoint, businessInterface); - } - - private EndpointReference createEndpointReference(Endpoint endpoint, Class<?> businessInterface) - throws CloneNotSupportedException, InvalidInterfaceException { - Component component = endpoint.getComponent(); - ComponentService service = endpoint.getService(); - ComponentReference componentReference = assemblyFactory.createComponentReference(); - componentReference.setName("$self$." + service.getName()); - - componentReference.setCallback(service.getCallback()); - componentReference.getTargets().add(service); - componentReference.getPolicySets().addAll(service.getPolicySets()); - componentReference.getRequiredIntents().addAll(service.getRequiredIntents()); - componentReference.getBindings().add(endpoint.getBinding()); - - 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.setBinding(endpoint.getBinding()); - endpointReference.setUnresolved(false); - endpointReference.setStatus(EndpointReference.WIRED_TARGET_FOUND_READY_FOR_MATCHING); - - endpointReference.setTargetEndpoint(endpoint); - - componentReference.getEndpointReferences().add(endpointReference); - ((RuntimeComponentReference)componentReference).setComponent((RuntimeComponent)component); - ((RuntimeEndpointReference)endpointReference).bind(compositeContext); - - return endpointReference; - } - - /** - * @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()) { - RuntimeEndpointReference epr = (RuntimeEndpointReference)endpointReference; - serviceRefs.add(getServiceReference(businessInterface, epr)); - } - 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(); - } - -} |