diff options
Diffstat (limited to 'sandbox/sebastien/java/wrapped/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java')
| -rw-r--r-- | sandbox/sebastien/java/wrapped/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/wrapped/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java b/sandbox/sebastien/java/wrapped/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java new file mode 100644 index 0000000000..d32afb2acb --- /dev/null +++ b/sandbox/sebastien/java/wrapped/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java @@ -0,0 +1,202 @@ +/* + * 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.client.impl; + +import java.net.URI; +import java.util.List; +import java.util.UUID; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Component; +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.Service; +import org.apache.tuscany.sca.context.CompositeContext; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +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.node.NodeFactory; +import org.apache.tuscany.sca.node.impl.NodeFactoryImpl; +import org.apache.tuscany.sca.runtime.DomainRegistryFactory; +import org.apache.tuscany.sca.runtime.EndpointRegistry; +import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; +import org.oasisopen.sca.NoSuchDomainException; +import org.oasisopen.sca.NoSuchServiceException; +import org.oasisopen.sca.ServiceRuntimeException; +import org.oasisopen.sca.client.SCAClientFactory; +import org.oasisopen.sca.client.SCAClientFactoryFinder; + +public class SCAClientFactoryImpl extends SCAClientFactory { + + public static void setSCAClientFactoryFinder(SCAClientFactoryFinder factoryFinder) { + SCAClientFactory.factoryFinder = factoryFinder; + } + + private final ExtensionPointRegistry extensionsRegistry; + private final AssemblyFactory assemblyFactory; + private final JavaInterfaceFactory javaInterfaceFactory; + private final ProxyFactory proxyFactory; + private final EndpointRegistry endpointRegistry; + private final NodeFactoryImpl nodeFactory; + private final CompositeContext compositeContext; + + public SCAClientFactoryImpl(URI domainURI) throws NoSuchDomainException { + super(domainURI); + + this.nodeFactory = (NodeFactoryImpl)NodeFactory.getInstance(); + this.nodeFactory.init(); + this.extensionsRegistry = nodeFactory.getExtensionPointRegistry(); + DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionsRegistry); + + String registryURI = getDomainURI().toString(); + + this.endpointRegistry = domainRegistryFactory.getEndpointRegistry(registryURI, getDomainURI().toString()); // TODO: shouldnt use null for reg uri + + // TODO: if there is not an existing endpoint registry for the domain URI the + // this should create an endpoint registry client for the remote domain (eg hazelcast native client) + // for now just throw an exception + if (endpointRegistry == null) { + throw new NoSuchDomainException(domainURI.toString()); + } + FactoryExtensionPoint factories = extensionsRegistry.getExtensionPoint(FactoryExtensionPoint.class); + this.assemblyFactory = factories.getFactory(AssemblyFactory.class); + this.javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class); + this.proxyFactory = ExtensibleProxyFactory.getInstance(extensionsRegistry); + + String client = "sca.client." + UUID.randomUUID(); + + this.compositeContext = + new CompositeContext(extensionsRegistry, + endpointRegistry, + null, + domainURI.toString(), + client, + this.nodeFactory.getDeployer().getSystemDefinitions()); + } + + @Override + public <T> T getService(Class<T> serviceInterface, String serviceName) throws NoSuchServiceException, NoSuchDomainException { + + List<Endpoint> eps = endpointRegistry.findEndpoint(serviceName); + if (eps == null || eps.size() < 1) { + throw new NoSuchServiceException(serviceName); + } + Endpoint endpoint = eps.get(0); // TODO: what should be done with multiple endpoints? + + RuntimeEndpointReference epr; + try { + epr = createEndpointReference(endpoint, serviceInterface); + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + return proxyFactory.createProxy(serviceInterface, epr); + + } + + private RuntimeEndpointReference createEndpointReference(Endpoint endpoint, Class<?> businessInterface) + throws CloneNotSupportedException, InvalidInterfaceException { + Component component = endpoint.getComponent(); + ComponentService service = endpoint.getService(); + ComponentReference componentReference = assemblyFactory.createComponentReference(); + componentReference.setName("sca.client." + 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.Status.WIRED_TARGET_FOUND_AND_MATCHED); + + endpointReference.setTargetEndpoint(endpoint); + + componentReference.getEndpointReferences().add(endpointReference); + ((RuntimeComponentReference)componentReference).setComponent((RuntimeComponent)component); + ((RuntimeEndpointReference)endpointReference).bind(compositeContext); + + return (RuntimeEndpointReference) endpointReference; + } + + /** + * @param interfaceContract + * @param businessInterface + * @return + * @throws CloneNotSupportedException + * @throws InvalidInterfaceException + */ + private InterfaceContract getInterfaceContract(InterfaceContract interfaceContract, Class<?> businessInterface) + throws CloneNotSupportedException, InvalidInterfaceException { + if (businessInterface == null) { + return interfaceContract; + } + boolean compatible = false; + if (interfaceContract != null && interfaceContract.getInterface() != null) { + Interface interfaze = interfaceContract.getInterface(); + if (interfaze instanceof JavaInterface) { + Class<?> cls = ((JavaInterface)interfaze).getJavaClass(); + if (cls != null && 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; + } + +} |