diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider')
6 files changed, 826 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java new file mode 100644 index 0000000000..b8a70f0ba1 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DefaultSCABindingMapper.java @@ -0,0 +1,306 @@ +/* + * 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.provider; + +import java.io.StringReader; +import java.util.Map; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.Base; +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.SCABinding; +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.assembly.xml.Constants; +import org.apache.tuscany.sca.common.xml.stax.StAXHelper; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +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.extensibility.ServiceDeclarationParser; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.policy.PolicySubject; +import org.apache.tuscany.sca.provider.ProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.SCABindingMapper; +import org.apache.tuscany.sca.runtime.DomainRegistry; +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.ServiceRuntimeException; + +/** + * Default implementation of SCABindingMapper + */ +public class DefaultSCABindingMapper implements SCABindingMapper { + private final static Logger logger = Logger.getLogger(DefaultSCABindingMapper.class.getName()); + protected ExtensionPointRegistry registry; + protected ProviderFactoryExtensionPoint providerFactories; + protected StAXArtifactProcessorExtensionPoint processors; + protected QName defaultMappedBinding; + protected QName defaultLocalBinding; + protected boolean alwaysDistributed; + + // Test to look at supporting concurrent binding.sca delegations + protected QName [] activeDelegations = {new QName(Base.SCA11_TUSCANY_NS, "binding.local"), + new QName(Base.SCA11_NS, "binding.ws")}; + + public DefaultSCABindingMapper(ExtensionPointRegistry registry, Map<String, String> attributes) { + this.registry = registry; + providerFactories = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class); + processors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + defaultMappedBinding = getDefaultMappedBinding(attributes); + defaultLocalBinding = new QName(Base.SCA11_TUSCANY_NS, "binding.local"); + if (attributes != null && "true".equalsIgnoreCase(attributes.get("alwaysDistributed"))) { + alwaysDistributed = true; + } + } + + protected QName getDefaultMappedBinding(Map<String, String> attributes) { + QName defaultMappedBinding = null; + if (attributes != null) { + String qname = attributes.get("mappedBinding"); + if (qname != null) { + defaultMappedBinding = ServiceDeclarationParser.getQName(qname); + } + } + if (defaultMappedBinding == null) { + String qname = + System.getProperty("org.apache.tuscany.sca.binding.sca.provider.SCABindingMapper.mappedBinding"); + if (qname != null) { + defaultMappedBinding = ServiceDeclarationParser.getQName(qname); + } else { + // By default, mapping to binding.ws or if thats not available then binding.rmi + defaultMappedBinding = new QName(Base.SCA11_TUSCANY_NS, "binding.hazelcast"); + if (!isBindingSupported(defaultMappedBinding)) { + defaultMappedBinding = new QName(Base.SCA11_NS, "binding.ws"); + if (!isBindingSupported(defaultMappedBinding)) { + defaultMappedBinding = new QName(Base.SCA11_TUSCANY_NS, "binding.rmi"); + } + } + } + } + return defaultMappedBinding; + } + + private BindingBuilder<?> getBindingBuilder(QName binding) { + if (isBindingSupported(binding)) { + BuilderExtensionPoint builders = registry.getExtensionPoint(BuilderExtensionPoint.class); + BindingBuilder<?> builder = builders.getBindingBuilder(binding); + return builder; + } else { + return null; + } + } + + private boolean isBindingSupported(QName binding) { + if (binding == null) { + return false; + } + // Check if there is a processor + StAXArtifactProcessor<?> processor = processors.getProcessor(binding); + if (processor == null) { + // logger.warning("Mapped binding for binding.sca is not supported: " + binding); + return false; + } + + try { + if (processor != null) { + // Futher check if the provider is present + Binding bindingTemplate = createDelegatingBinding(binding); + ProviderFactory<?> providerFactory = providerFactories.getProviderFactory(bindingTemplate.getClass()); + if (providerFactory == null) { + // logger.warning("Mapped binding for binding.sca is not supported: " + binding); + processor = null; + return false; + } + } + } catch (Throwable e) { + throw new ServiceRuntimeException(e); + } + return true; + } + + public RuntimeEndpoint map(RuntimeEndpoint endpoint) { + QName bindingType = chooseBinding(endpoint); + if (!isBindingSupported(bindingType)) { + logger.warning("Mapped binding for binding.sca is not supported: " + bindingType); + return null; + } + + // create a copy of the endpoint ready to set the remote binding. The original endpoint + // retains binding.sca + RuntimeEndpoint ep = null; + try { + ep = (RuntimeEndpoint)endpoint.clone(); + } catch (Exception ex) { + // we know we can clone endpoint references + } + + Binding binding = map(endpoint.getBinding(), bindingType); + ep.setBinding(binding); + BindingBuilder builder = getBindingBuilder(bindingType); + if (builder != null) { + builder.build(ep.getComponent(), ep.getService(), binding, new BuilderContext(registry), false); + } + return ep; + } + + public RuntimeEndpointReference map(RuntimeEndpointReference endpointReference) { + QName bindingType = chooseBinding(endpointReference); + if (!isBindingSupported(bindingType)) { + logger.warning("Mapped binding for binding.sca is not supported: " + bindingType); + return null; + } + + // create a copy of the endpoint reference ready to set the remote binding. The original + // endpoint reference reatins binding.sca + RuntimeEndpointReference epr = null; + try { + epr = (RuntimeEndpointReference)endpointReference.clone(); + } catch (Exception ex) { + // we know we can clone endpoint references + } + + Binding binding = map(endpointReference.getBinding(), bindingType); + epr.setBinding(binding); + + // epr.setTargetEndpoint(map((RuntimeEndpoint)epr.getTargetEndpoint())); + + BindingBuilder builder = getBindingBuilder(bindingType); + if (builder != null) { + builder.build(epr.getComponent(), epr.getReference(), binding, new BuilderContext(registry), false); + } + + return epr; + } + + protected Binding map(Binding scaBinding, QName newBindingType) { + try { + Binding binding = createDelegatingBinding(newBindingType); + binding.setName(scaBinding.getName()); + if (((SCABinding)scaBinding).getDelegateBindingURI() != null){ + // if this is an SCA binding that's been resolved via the registry then + // the URI of the target service is delegate specific and is stored + // in this new slot in the binding model + binding.setURI(((SCABinding)scaBinding).getDelegateBindingURI()); + } else { + binding.setURI(scaBinding.getURI()); + } + binding.setOperationSelector(scaBinding.getOperationSelector()); + binding.setRequestWireFormat(scaBinding.getRequestWireFormat()); + binding.setResponseWireFormat(scaBinding.getResponseWireFormat()); + if (binding instanceof PolicySubject && scaBinding instanceof PolicySubject) { + PolicySubject subject1 = (PolicySubject)binding; + PolicySubject subject2 = (PolicySubject)scaBinding; + subject1.getPolicySets().addAll(subject2.getPolicySets()); + subject1.getRequiredIntents().addAll(subject2.getRequiredIntents()); + } + return binding; + } catch (Throwable e) { + throw new ServiceRuntimeException(e); + } + + } + + protected Binding createDelegatingBinding(QName bindingType) throws XMLStreamException, ContributionReadException { + StAXArtifactProcessor processor = processors.getProcessor(bindingType); + if (processor == null) { + logger.warning("Mapped binding for binding.sca is not supported: " + bindingType); + } + + StringBuffer xml = new StringBuffer(); + xml.append("<").append(bindingType.getLocalPart()).append(" xmlns:b=\"").append(bindingType.getNamespaceURI()) + .append("\"/>"); + + StAXHelper staxHelper = StAXHelper.getInstance(registry); + XMLStreamReader reader = staxHelper.createXMLStreamReader(new StringReader(xml.toString())); + reader.nextTag(); + Binding binding = (Binding)processor.read(reader, new ProcessorContext(registry)); + + return binding; + } + + /* + public boolean isRemotable(RuntimeEndpoint endpoint) { + return supportsDistributedSCA && isBindingSupported(chooseBinding(endpoint)); + } + + public boolean isRemotable(RuntimeEndpointReference endpointReference) { + return supportsDistributedSCA && isBindingSupported(chooseBinding(endpointReference)); + } + */ + + /** + * Choose the physical binding for service-side remotable binding.sca + * @param endpoint + * @return + */ + protected QName chooseBinding(RuntimeEndpoint endpoint) { + DomainRegistry domainRegistry = endpoint.getCompositeContext().getEndpointRegistry(); + boolean distributed = alwaysDistributed || domainRegistry.isDistributed(); + InterfaceContract interfaceContract = endpoint.getService().getInterfaceContract(); + if(interfaceContract != null + && interfaceContract.getInterface() != null + && interfaceContract.getInterface().isRemotable() + && distributed + && isBindingSupported(defaultMappedBinding)) { + return defaultMappedBinding; + } + + return defaultLocalBinding; + } + + /** + * Choose the physical binding for reference-side remotable binding.sca + * @param endpointReference + * @return + */ + protected QName chooseBinding(RuntimeEndpointReference endpointReference) { + DomainRegistry domainRegistry = endpointReference.getCompositeContext().getEndpointRegistry(); + boolean distributed = alwaysDistributed || domainRegistry.isDistributed(); + if(endpointReference.getTargetEndpoint().isRemote()) { + RuntimeComponentReference ref = (RuntimeComponentReference)endpointReference.getReference(); + if(ref.getInterfaceContract() != null && !ref.getInterfaceContract().getInterface().isRemotable()) { + throw new ServiceRuntimeException("Reference interface not remotable for component: " + + endpointReference.getComponent().getName() + + " and reference: " + + ref.getName()); + } + + if(distributed && isBindingSupported(defaultMappedBinding)) { + return defaultMappedBinding; + } + } + + return defaultLocalBinding; + } + + public QName[] getActiveDelegations(){ + return activeDelegations; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DelegatingSCAReferenceBindingProvider.java b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DelegatingSCAReferenceBindingProvider.java new file mode 100644 index 0000000000..5b47443df8 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DelegatingSCAReferenceBindingProvider.java @@ -0,0 +1,94 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.binding.local.DefaultLocalSCAReferenceBindingProvider; +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.EndpointReferenceAsyncProvider; +import org.apache.tuscany.sca.provider.EndpointReferenceProvider; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.SCABindingMapper; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + +/** + * The reference binding provider for the remote sca binding implementation. + */ +public class DelegatingSCAReferenceBindingProvider implements EndpointReferenceAsyncProvider { + + private ReferenceBindingProvider provider; + private RuntimeEndpointReference delegateEndpointReference; + + public DelegatingSCAReferenceBindingProvider(RuntimeEndpointReference endpointReference, + SCABindingMapper mapper) { + delegateEndpointReference = mapper.map(endpointReference); + if (delegateEndpointReference != null) { + endpointReference.setDelegateEndpointReference(delegateEndpointReference); + provider = delegateEndpointReference.getBindingProvider(); + + // reset the EPR to binding.sca EPR because the local optimization assumes + // this to be the case. + if (provider instanceof DefaultLocalSCAReferenceBindingProvider){ + ((DefaultLocalSCAReferenceBindingProvider)provider).setEndpointReference(endpointReference); + } + } + } + + public InterfaceContract getBindingInterfaceContract() { + return provider.getBindingInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return provider.supportsOneWayInvocation(); + } + + public Invoker createInvoker(Operation operation) { + return provider.createInvoker(operation); + } + + public void start() { + provider.start(); + } + + public void stop() { + provider.stop(); + } + + public void configure() { + if (provider instanceof EndpointReferenceProvider) { + ((EndpointReferenceProvider)provider).configure(); + } + } + + @Override + public boolean supportsNativeAsync() { + if (provider instanceof EndpointReferenceAsyncProvider) { + return ((EndpointReferenceAsyncProvider)provider).supportsNativeAsync(); + } + + return false; + } + + public RuntimeEndpointReference getDelegateEndpointReference(){ + return delegateEndpointReference; + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DelegatingSCAServiceBindingProvider.java b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DelegatingSCAServiceBindingProvider.java new file mode 100644 index 0000000000..319661d7bb --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/DelegatingSCAServiceBindingProvider.java @@ -0,0 +1,124 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.invocation.InvokerAsyncResponse; +import org.apache.tuscany.sca.provider.EndpointAsyncProvider; +import org.apache.tuscany.sca.provider.EndpointProvider; +import org.apache.tuscany.sca.provider.SCABindingMapper; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + +/** + * The service binding provider for the remote sca binding implementation. Relies on the + * binding-ws-axis implementation for providing a remote message endpoint + * + * @version $Rev$ $Date$ + */ +public class DelegatingSCAServiceBindingProvider implements EndpointAsyncProvider { + + // private static final Logger logger = Logger.getLogger(DelegatingSCAServiceBindingProvider.class.getName()); + + private ServiceBindingProvider provider; + private RuntimeEndpoint endpoint; + private RuntimeEndpoint delegateEndpoint; + private boolean started = false; + + public DelegatingSCAServiceBindingProvider(RuntimeEndpoint endpoint, SCABindingMapper mapper) { + this.endpoint = endpoint; + this.delegateEndpoint = mapper.map(endpoint); + if (delegateEndpoint != null) { + endpoint.setDelegateEndpoint(delegateEndpoint); + provider = delegateEndpoint.getBindingProvider(); + } + + } + + @Override + public InterfaceContract getBindingInterfaceContract() { + return provider.getBindingInterfaceContract(); + } + + @Override + public boolean supportsOneWayInvocation() { + return provider.supportsOneWayInvocation(); + } + + @Override + public void configure() { + if (provider instanceof EndpointProvider){ + ((EndpointProvider)provider).configure(); + } + } + + @Override + public boolean supportsNativeAsync() { + if (provider instanceof EndpointAsyncProvider){ + return ((EndpointAsyncProvider)provider).supportsNativeAsync(); + } else { + return false; + } + } + + @Override + public InvokerAsyncResponse createAsyncResponseInvoker() { + if (provider instanceof EndpointAsyncProvider){ + return ((EndpointAsyncProvider)provider).createAsyncResponseInvoker(); + } else { + return null; + } + } + + public void start() { + if (started) { + return; + } else { + provider.start(); + // Set the resolved binding URI back to the binding.sca + ((SCABinding)endpoint.getBinding()).setDelegateBindingType(delegateEndpoint.getBinding().getType().toString()); + ((SCABinding)endpoint.getBinding()).setDelegateBindingURI(delegateEndpoint.getBinding().getURI()); + endpoint.setDeployedURI(delegateEndpoint.getDeployedURI()); + started = true; + } + } + + public void stop() { + if (!started) { + return; + } + try { + provider.stop(); + } finally { + started = false; + } + } + + public ServiceBindingProvider getProviderDelegate() { + return provider; + } + + public RuntimeEndpoint getDelegateEndpoint(){ + return delegateEndpoint; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProviderFactory.java b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProviderFactory.java new file mode 100644 index 0000000000..ecaa699ad3 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProviderFactory.java @@ -0,0 +1,59 @@ +/* +ah * 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.provider; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.SCABindingMapper; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + +/** + * The factory for creating SCA Binding providers + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCABindingProviderFactory implements BindingProviderFactory<SCABinding> { + + private ExtensionPointRegistry extensionPoints; + private SCABindingMapper scaBindingMapper; + + public RuntimeSCABindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + this.scaBindingMapper = utilities.getUtility(SCABindingMapper.class); + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeEndpointReference endpointReference) { + return new RuntimeSCAReferenceBindingProvider(extensionPoints, endpointReference); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeEndpoint endpoint) { + return new RuntimeSCAServiceBindingProvider(scaBindingMapper, endpoint); + } + + public Class<SCABinding> getModelType() { + return SCABinding.class; + } +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAReferenceBindingProvider.java b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAReferenceBindingProvider.java new file mode 100644 index 0000000000..cfbb6f484b --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAReferenceBindingProvider.java @@ -0,0 +1,113 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +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.EndpointReferenceAsyncProvider; +import org.apache.tuscany.sca.provider.EndpointReferenceProvider; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.SCABindingMapper; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + +/** + * 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 EndpointReferenceAsyncProvider { + + private RuntimeEndpointReference endpointReference; + private boolean started = false; + + private ReferenceBindingProvider delegatingBindingProvider; + private SCABindingMapper scaBindingMapper; + + public RuntimeSCAReferenceBindingProvider(ExtensionPointRegistry extensionPoints, + RuntimeEndpointReference endpointReference) { + this.endpointReference = endpointReference; + + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + this.scaBindingMapper = utilities.getUtility(SCABindingMapper.class); + getDelegatingProvider(); + } + + private ReferenceBindingProvider getDelegatingProvider() { + if (delegatingBindingProvider == null) { + delegatingBindingProvider = new DelegatingSCAReferenceBindingProvider(endpointReference, scaBindingMapper); + } + + return delegatingBindingProvider; + } + + public InterfaceContract getBindingInterfaceContract() { + return delegatingBindingProvider.getBindingInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return delegatingBindingProvider.supportsOneWayInvocation(); + } + + public Invoker createInvoker(Operation operation) { + return delegatingBindingProvider.createInvoker(operation); + } + + public void start() { + if (started) { + return; + } + getDelegatingProvider().start(); + started = true; + } + + public void stop() { + if (!started) { + return; + } + + try { + getDelegatingProvider().stop(); + } finally { + started = false; + } + } + + public void configure() { + if (getDelegatingProvider() instanceof EndpointReferenceProvider) { + ((EndpointReferenceProvider)getDelegatingProvider()).configure(); + } + } + + public boolean supportsNativeAsync() { + return ((EndpointReferenceAsyncProvider)delegatingBindingProvider).supportsNativeAsync(); + } + + public RuntimeEndpointReference getDelegateEndpointReference(){ + return ((DelegatingSCAReferenceBindingProvider)delegatingBindingProvider).getDelegateEndpointReference(); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java new file mode 100644 index 0000000000..2dc019226a --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java @@ -0,0 +1,130 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.binding.local.LocalSCABindingInvocationInterceptor; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.InvokerAsyncResponse; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.provider.EndpointAsyncProvider; +import org.apache.tuscany.sca.provider.EndpointProvider; +import org.apache.tuscany.sca.provider.OptimisingBindingProvider; +import org.apache.tuscany.sca.provider.SCABindingMapper; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * 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 EndpointAsyncProvider, OptimisingBindingProvider { + private RuntimeEndpoint endpoint; + private SCABindingMapper mapper; + + private ServiceBindingProvider delegatingBindingProvider; + + public RuntimeSCAServiceBindingProvider(SCABindingMapper scaBindingMapper, RuntimeEndpoint endpoint) { + this.endpoint = endpoint; + this.mapper = scaBindingMapper; + getDelegatingProvider(); + } + + // if there is potentially a wire to this service that crosses the node boundary + // then we need to create a remote endpoint + private ServiceBindingProvider getDelegatingProvider() { + if(delegatingBindingProvider == null) { + delegatingBindingProvider = new DelegatingSCAServiceBindingProvider(endpoint, mapper); + } + return delegatingBindingProvider; + } + + /* + protected boolean isDistributed(ExtensionPointRegistry extensionPoints, Endpoint endpoint) { + // find if the node config is for distributed endpoints + // TODO: temp, need a much better way to do this + DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionPoints); + Collection<DomainRegistry> eprs = domainRegistryFactory.getEndpointRegistries(); + if (eprs.size() > 0) { + String eprName = eprs.iterator().next().getClass().getName(); + return !eprName.equals("org.apache.tuscany.sca.core.assembly.impl.DomainRegistryImpl"); + } + return false; + } + */ + + public InterfaceContract getBindingInterfaceContract() { + return getDelegatingProvider().getBindingInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return getDelegatingProvider().supportsOneWayInvocation(); + } + + public void start() { + getDelegatingProvider().start(); + } + + public void stop() { + endpoint.getBinding().setURI(null); + getDelegatingProvider().stop(); + } + + public void configure() { + if (getDelegatingProvider() instanceof EndpointProvider) { + ((EndpointProvider)getDelegatingProvider()).configure(); + } + } + + public boolean supportsNativeAsync() { + return true; + } + + public InvokerAsyncResponse createAsyncResponseInvoker() { + return ((EndpointAsyncProvider)getDelegatingProvider()).createAsyncResponseInvoker(); + } + + /** + * Handles the optimization for the service side chain, which provides a mechanism for direct local + * invocation of the service in cases where the component reference is in the same JVM as the + * component service. Effectively, this means skipping any Remote Binding listener and its associated + * binding chain and data binding processors. + * + * This means inserting a SCABindingLocalInvocationInterceptor into the chains for the Endpoint, + * which is placed immediately before the Policy processors (and after any Databinding processors) + */ + public void optimiseBinding(RuntimeEndpoint ep) { + // To optimise, place an SCA binding Local Invocation interceptor at the start of the POLICY phase + // of the service chain... + for (InvocationChain chain : ep.getInvocationChains()) { + chain.addHeadInterceptor( Phase.SERVICE_POLICY, new LocalSCABindingInvocationInterceptor() ); + } // end for + + } // end method optimiseBinding + + public RuntimeEndpoint getDelegateEndpoint(){ + return ((DelegatingSCAServiceBindingProvider)delegatingBindingProvider).getDelegateEndpoint(); + } + +} // end class RuntimeSCAServiceBinding |