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Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud')
11 files changed, 818 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUD.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUD.java new file mode 100644 index 0000000000..e33396adfc --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUD.java @@ -0,0 +1,56 @@ +/* + * 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 crud; + +/** + * The service interface of the single CRUD service provided by CRUD components. + * + * @version $Rev$ $Date$ + */ +public interface CRUD { + + /** + * Create a new resource. + * @param resource + * @return + */ + String create(Object resource); + + /** + * Retrieve a resource. + * @param id + * @return + */ + Object retrieve(String id); + + /** + * Update a resource. + * @param id + * @param resource + * @return + */ + Object update(String id, Object resource); + + /** + * Delete a resource. + * @param id + */ + void delete(String id); + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUDImplementation.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUDImplementation.java new file mode 100644 index 0000000000..1f156c3261 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUDImplementation.java @@ -0,0 +1,51 @@ +/* + * 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 crud; + +import org.apache.tuscany.sca.assembly.Implementation; + +/** + * The model representing a sample CRUD implementation in an SCA assembly model. + * The sample CRUD implementation is not a full blown implementation, it only + * supports a subset of what a component implementation can support: - a single + * fixed service (as opposed to a list of services typed by different + * interfaces) - a directory attribute used to specify where a CRUD component is + * going to persist resources - no references or properties - no policy intents + * or policy sets + * + * @version $$Rev$$ $$Date: 2007-04-23 19:18:54 -0700 (Mon, 23 Apr + * 2007) $$ + */ +public interface CRUDImplementation extends Implementation { + + /** + * Returns the directory used by CRUD implementations to persist resources. + * + * @return the directory used to persist resources + */ + public String getDirectory(); + + /** + * Sets the directory used by CRUD implementations to persist resources. + * + * @param directory the directory used to persist resources + */ + public void setDirectory(String directory); + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUDImplementationFactory.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUDImplementationFactory.java new file mode 100644 index 0000000000..430754a8b1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/CRUDImplementationFactory.java @@ -0,0 +1,36 @@ +/* + * 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 crud; + +/** + * A factory for the sample CRUD implementation model. + * + * @version $Rev$ $Date$ + */ +public interface CRUDImplementationFactory { + + /** + * Creates a new CRUD implementation. + * + * @return + */ + CRUDImplementation createCRUDImplementation(); + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/DefaultCRUDImplementationFactory.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/DefaultCRUDImplementationFactory.java new file mode 100644 index 0000000000..3cc3482bd7 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/DefaultCRUDImplementationFactory.java @@ -0,0 +1,51 @@ +/* + * 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 crud; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; + +import crud.impl.CRUDImplementationImpl; + +/** + * A default factory for the CRUD implementation model. + * + * @version $Rev$ $Date$ + */ +public class DefaultCRUDImplementationFactory implements CRUDImplementationFactory { + + private AssemblyFactory assemblyFactory; + private JavaInterfaceFactory javaFactory; + private JavaInterfaceIntrospector introspector; + + public DefaultCRUDImplementationFactory(AssemblyFactory assemblyFactory, + JavaInterfaceFactory javaFactory, + JavaInterfaceIntrospector introspector) { + this.assemblyFactory = assemblyFactory; + this.javaFactory = javaFactory; + this.introspector = introspector; + } + + public CRUDImplementation createCRUDImplementation() { + return new CRUDImplementationImpl(assemblyFactory, javaFactory, introspector); + } + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/backend/ResourceManager.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/backend/ResourceManager.java new file mode 100644 index 0000000000..fc6bffa9d5 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/backend/ResourceManager.java @@ -0,0 +1,111 @@ +/* + * 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 crud.backend; + +import java.util.HashMap; +import java.util.Map; + +import crud.CRUD; + +/** + * A fake resource manager implementation used as a backend by the sample + * CRUD component implementation. + * + * @version $Rev$ $Date$ + */ +public class ResourceManager implements CRUD { + private static int counter; + private static final Map<String, Object> store = new HashMap<String, Object>(); + private String directory; + + /** + * Constructs a new resource manager. + * + * @param directory the directory where to persist resources + */ + public ResourceManager(String directory) { + super(); + this.directory = directory; + } + + /** + * Creates a new resource. + * + * @param resource + * @return + */ + public String createResource(Object resource) { + System.out.println("create(" + resource + ") in " + directory); + String key = String.valueOf(counter++); + store.put(key, resource); + return key; + } + + /** + * Deletes a resource. + * + * @param id + */ + public void deleteResource(String id) { + System.out.println("delete(" + id + ")"); + store.remove(id); + } + + /** + * Retrieves a resource. + * + * @param id + * @return + */ + public Object retrieveResource(String id) { + System.out.println("retrieve(" + id + ")"); + return store.get(id); + } + + /** + * Updates a resource. + * + * @param id + * @param resource + * @return + */ + public Object updateResource(String id, Object resource) { + System.out.println("update(" + id + ")"); + return store.put(id, resource); + } + + //FIXME We shouldn't have to implement the CRUD interface here + + public String create(Object resource) { + return createResource(resource); + } + + public Object retrieve(String id) { + return retrieveResource(id); + } + + public Object update(String id, Object resource) { + return updateResource(id, resource); + } + + public void delete(String id) { + deleteResource(id); + } +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/impl/CRUDImplementationImpl.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/impl/CRUDImplementationImpl.java new file mode 100644 index 0000000000..5bc3a0204c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/impl/CRUDImplementationImpl.java @@ -0,0 +1,138 @@ +/* + * 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 crud.impl; + +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ConstrainingType; +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.assembly.Reference; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; + +import crud.CRUD; +import crud.CRUDImplementation; + +/** + * The model representing a sample CRUD implementation in an SCA assembly model. + * + * @version $$Rev$$ $$Date: 2007-04-23 19:18:54 -0700 (Mon, 23 Apr + * 2007) $$ + */ +public class CRUDImplementationImpl implements CRUDImplementation { + + private Service crudService; + private String directory; + + /** + * Constructs a new CRUD implementation. + */ + public CRUDImplementationImpl(AssemblyFactory assemblyFactory, + JavaInterfaceFactory javaFactory, + JavaInterfaceIntrospector introspector) { + + // CRUD implementation always provide a single service exposing + // the CRUD interface, and have no references and properties + crudService = assemblyFactory.createService(); + crudService.setName("CRUD"); + JavaInterface javaInterface; + try { + javaInterface = introspector.introspect(CRUD.class); + } catch (InvalidInterfaceException e) { + throw new IllegalArgumentException(e); + } + JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract(); + interfaceContract.setInterface(javaInterface); + crudService.setInterfaceContract(interfaceContract); + } + + public String getDirectory() { + return directory; + } + + public void setDirectory(String directory) { + this.directory = directory; + } + + public ConstrainingType getConstrainingType() { + // The sample CRUD implementation does not support constrainingTypes + return null; + } + + public List<Property> getProperties() { + // The sample CRUD implementation does not support properties + return Collections.emptyList(); + } + + public List<Service> getServices() { + // The sample CRUD implementation provides a single fixed CRUD service + return Collections.singletonList(crudService); + } + + public List<Reference> getReferences() { + // The sample CRUD implementation does not support properties + return Collections.emptyList(); + } + + public String getURI() { + // The sample CRUD implementation does not have a URI + return null; + } + + public void setConstrainingType(ConstrainingType constrainingType) { + // The sample CRUD implementation does not support constrainingTypes + } + + public void setURI(String uri) { + // The sample CRUD implementation does not have a URI + } + + public List<PolicySet> getPolicySets() { + // The sample CRUD implementation does not support policy sets + return Collections.emptyList(); + } + + public List<Intent> getRequiredIntents() { + // The sample CRUD implementation does not support intents + return Collections.emptyList(); + } + + public List<Object> getExtensions() { + // The sample CRUD implementation does not support extensions + return Collections.emptyList(); + } + + public boolean isUnresolved() { + // The sample CRUD implementation is always resolved + return false; + } + + public void setUnresolved(boolean unresolved) { + // The sample CRUD implementation is always resolved + } + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/impl/CRUDImplementationProcessor.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/impl/CRUDImplementationProcessor.java new file mode 100644 index 0000000000..32b9a6be84 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/impl/CRUDImplementationProcessor.java @@ -0,0 +1,97 @@ +/* + * 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 crud.impl; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + +import crud.CRUDImplementation; +import crud.CRUDImplementationFactory; + +/** + * Implements a STAX artifact processor for CRUD implementations. + * + * The artifact processor is responsible for processing <implementation.crud> + * elements in SCA assembly XML composite files and populating the CRUD + * implementation model, resolving its references to other artifacts in the SCA + * contribution, and optionally write the model back to SCA assembly XML. + * + * @version $Rev$ $Date$ + */ +public class CRUDImplementationProcessor implements StAXArtifactProcessor<CRUDImplementation> { + private static final QName IMPLEMENTATION_CRUD = new QName("http://crud", "implementation.crud"); + + private CRUDImplementationFactory crudFactory; + + public CRUDImplementationProcessor(CRUDImplementationFactory crudFactory) { + this.crudFactory = crudFactory; + } + + public QName getArtifactType() { + // Returns the qname of the XML element processed by this processor + return IMPLEMENTATION_CRUD; + } + + public Class<CRUDImplementation> getModelType() { + // Returns the type of model processed by this processor + return CRUDImplementation.class; + } + + public CRUDImplementation read(XMLStreamReader reader) throws ContributionReadException { + assert IMPLEMENTATION_CRUD.equals(reader.getName()); + + // Read an <implementation.crud> element + try { + // Read the directory attribute. This is where the sample + // CRUD implementation will persist resources. + String directory = reader.getAttributeValue(null, "directory"); + + // Create an initialize the CRUD implementation model + CRUDImplementation implementation = crudFactory.createCRUDImplementation(); + implementation.setDirectory(directory); + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && IMPLEMENTATION_CRUD.equals(reader.getName())) { + break; + } + } + + return implementation; + } catch (XMLStreamException e) { + throw new ContributionReadException(e); + } + } + + public void resolve(CRUDImplementation impl, ModelResolver resolver) throws ContributionResolveException { + } + + public void write(CRUDImplementation model, XMLStreamWriter outputSource) throws ContributionWriteException { + } +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/module/CRUDModuleActivator.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/module/CRUDModuleActivator.java new file mode 100644 index 0000000000..1a5e2ca8a6 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/module/CRUDModuleActivator.java @@ -0,0 +1,78 @@ +/* + * 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 crud.module; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.introspect.ExtensibleJavaInterfaceIntrospector; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospectorExtensionPoint; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; + +import crud.CRUDImplementationFactory; +import crud.DefaultCRUDImplementationFactory; +import crud.impl.CRUDImplementationProcessor; +import crud.provider.CRUDImplementationProviderFactory; + +/** + * Implements a module activator for the CRUD implementation extension module. + * The module activator is responsible for contributing the CRUD implementation + * extensions and plugging them in the extension points defined by the Tuscany + * runtime. + * + * @version $Rev$ $Date$ + */ +public class CRUDModuleActivator implements ModuleActivator { + + public Object[] getExtensionPoints() { + // This module extension does not contribute any new + // extension point + return null; + } + + public void start(ExtensionPointRegistry registry) { + + // Create the CRUD implementation factory + ModelFactoryExtensionPoint factories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class); + AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class); + JavaInterfaceFactory javaFactory = new DefaultJavaInterfaceFactory(); + JavaInterfaceIntrospectorExtensionPoint visitors = registry.getExtensionPoint(JavaInterfaceIntrospectorExtensionPoint.class); + JavaInterfaceIntrospector introspector = new ExtensibleJavaInterfaceIntrospector(javaFactory, visitors); + CRUDImplementationFactory crudFactory = new DefaultCRUDImplementationFactory(assemblyFactory, javaFactory, introspector); + + // Add the CRUD implementation extension to the StAXArtifactProcessor + // extension point + StAXArtifactProcessorExtensionPoint processors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + CRUDImplementationProcessor implementationArtifactProcessor = new CRUDImplementationProcessor(crudFactory); + processors.addArtifactProcessor(implementationArtifactProcessor); + + // Add the CRUD provider factory to the ProviderFactory extension point + ProviderFactoryExtensionPoint providerFactories = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class); + providerFactories.addProviderFactory(new CRUDImplementationProviderFactory()); + } + + public void stop(ExtensionPointRegistry registry) { + } +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDImplementationProvider.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDImplementationProvider.java new file mode 100644 index 0000000000..f81165f564 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDImplementationProvider.java @@ -0,0 +1,73 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package crud.provider; + +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +import crud.CRUDImplementation; +import crud.backend.ResourceManager; + +/** + * The model representing a sample CRUD implementation in an SCA assembly model. + * The sample CRUD implementation is not a full blown implementation, it only + * supports a subset of what a component implementation can support: - a single + * fixed service (as opposed to a list of services typed by different + * interfaces) - a directory attribute used to specify where a CRUD component is + * going to persist resources - no references or properties - no policy intents + * or policy sets + * + * @version $$Rev$$ $$Date: 2007-04-23 19:18:54 -0700 (Mon, 23 Apr + * 2007) $$ + */ +public class CRUDImplementationProvider implements ImplementationProvider { + + private RuntimeComponent component; + private CRUDImplementation implementation; + + /** + * Constructs a new CRUD implementation. + */ + public CRUDImplementationProvider(RuntimeComponent component, CRUDImplementation implementation) { + this.component = component; + this.implementation = implementation; + } + + public Invoker createInvoker(RuntimeComponentService service, Operation operation) { + CRUDInvoker invoker = new CRUDInvoker(operation, new ResourceManager(implementation.getDirectory())); + return invoker; + } + + public Invoker createCallbackInvoker(Operation operation) { + CRUDInvoker invoker = new CRUDInvoker(operation, new ResourceManager(implementation.getDirectory())); + return invoker; + } + + public void start() { + System.out.println("Starting " + component.getName()); + } + + public void stop() { + System.out.println("Stopping " + component.getName()); + } + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDImplementationProviderFactory.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDImplementationProviderFactory.java new file mode 100644 index 0000000000..9eb5fdeb61 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDImplementationProviderFactory.java @@ -0,0 +1,48 @@ +/* + * 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 crud.provider; + +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.provider.ImplementationProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +import crud.CRUDImplementation; + +/** + * The model representing a sample CRUD implementation in an SCA assembly model. + * + * @version $$Rev$$ $$Date: 2007-04-23 19:18:54 -0700 (Mon, 23 Apr + * 2007) $$ + */ +public class CRUDImplementationProviderFactory implements ImplementationProviderFactory<CRUDImplementation> { + + /** + * Constructs a new CRUD implementation. + */ + public CRUDImplementationProviderFactory() { + } + + public ImplementationProvider createImplementationProvider(RuntimeComponent component, CRUDImplementation implementation) { + return new CRUDImplementationProvider(component, implementation); + } + + public Class<CRUDImplementation> getModelType() { + return CRUDImplementation.class; + } +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDInvoker.java b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDInvoker.java new file mode 100644 index 0000000000..2299ce8b0c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/host-embedded/src/test/java/crud/provider/CRUDInvoker.java @@ -0,0 +1,79 @@ +/* + * 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 crud.provider; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +import crud.backend.ResourceManager; + +/** + * Implements a target invoker for CRUD component implementations. + * + * The target invoker is responsible for dispatching invocations to the particular + * component implementation logic. In this example we are simply delegating the + * CRUD operation invocations to the corresponding methods on our fake + * resource manager. + * + * @version $Rev$ $Date$ + */ +public class CRUDInvoker implements Invoker { + private Operation operation; + private ResourceManager resourceManager; + + public CRUDInvoker(Operation operation, ResourceManager resourceManager) { + this.operation = operation; + this.resourceManager = resourceManager; + } + + public Message invoke(Message msg) { + try { + Object[] args = msg.getBody(); + Object resp = doTheWork(args); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setFaultBody(e.getCause()); + } + return msg; + } + + public Object doTheWork(Object[] args) throws InvocationTargetException { + if (operation.getName().equals("create")) { + return resourceManager.createResource(args[0]); + + } else if (operation.getName().equals("retrieve")) { + return resourceManager.retrieveResource((String)args[0]); + + } else if (operation.getName().equals("update")) { + return resourceManager.updateResource((String)args[0], args[1]); + + } else if (operation.getName().equals("delete")) { + resourceManager.deleteResource((String)args[0]); + return null; + + } else { + return null; + } + } + +} |