diff options
Diffstat (limited to 'sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation')
10 files changed, 836 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/PojoWorkContextTunnel.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/PojoWorkContextTunnel.java new file mode 100644 index 0000000000..cef6675f05 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/PojoWorkContextTunnel.java @@ -0,0 +1,63 @@ +/* + * 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.core.implementation; + +import org.apache.tuscany.spi.component.WorkContext; + +/** + * Class for tunneling a WorkContext through the invocation of a user class. + * + * @version $Rev$ $Date$ + */ +public final class PojoWorkContextTunnel { + private PojoWorkContextTunnel() { + } + + private static final ThreadLocal<WorkContext> CONTEXT = new ThreadLocal<WorkContext>(); + + /** + * Set the WorkContext for the current thread. + * The current work context is returned and must be restored after the invocation is complete. + * Typical usage would be: + * <pre> + * WorkContext old = PojoWorkContextTunnel.setThreadWorkContext(newContext); + * try { + * ... invoke user code ... + * } finally { + * PojoWorkContextTunnel.setThreadWorkContext(old); + * } + * </pre> + * @param context + * @return the current work context for the thread; this must be restored after the invocation is made + */ + public static WorkContext setThreadWorkContext(WorkContext context) { + WorkContext old = CONTEXT.get(); + CONTEXT.set(context); + return old; + } + + /** + * Returns the WorkContext for the current thread. + * + * @return the WorkContext for the current thread + */ + public static WorkContext getThreadWorkContext() { + return CONTEXT.get(); + } +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeBuilder.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeBuilder.java new file mode 100644 index 0000000000..d12b407ea7 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeBuilder.java @@ -0,0 +1,69 @@ +/* + * 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.core.implementation.composite; + +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.builder.BuilderInstantiationException; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.RegistrationException; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentBuilderExtension; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceDefinition; + +/** + * Abstract builder for composites + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractCompositeBuilder<T extends Implementation<CompositeComponentType>> + extends ComponentBuilderExtension<T> { + + public Component build( + Component component, + CompositeComponentType<?, ?, ?> componentType, + DeploymentContext deploymentContext) throws BuilderException { + for (ComponentDefinition<? extends Implementation<?>> definition : componentType.getComponents().values()) { + builderRegistry.build(definition, deploymentContext); + } + for (ServiceDefinition definition : componentType.getServices().values()) { + try { + Service service = builderRegistry.build(definition, deploymentContext); + component.register(service); + } catch (RegistrationException e) { + throw new BuilderInstantiationException("Error registering service", e); + } + } + for (ReferenceDefinition definition : componentType.getReferences().values()) { + try { + Reference reference = builderRegistry.build(definition, deploymentContext); + component.register(reference); + } catch (RegistrationException e) { + throw new BuilderInstantiationException("Error registering reference", e); + } + } + return component; + } + +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ComponentTimeoutException.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ComponentTimeoutException.java new file mode 100644 index 0000000000..ed64cb1236 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ComponentTimeoutException.java @@ -0,0 +1,33 @@ +/* + * 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.core.implementation.composite; + +import org.apache.tuscany.spi.component.ComponentRuntimeException; + +/** + * Denotes a condition where a component times out waiting to perform an operation + * + * @version $Rev$ $Date$ + */ +public class ComponentTimeoutException extends ComponentRuntimeException { + + public ComponentTimeoutException(String message) { + super(message); + } +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.java new file mode 100644 index 0000000000..51d360ec39 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.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 org.apache.tuscany.core.implementation.composite; + +import java.net.URI; + +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.CompositeImplementation; + +/** + * Instantiates a composite component from an assembly definition + * + * @version $Rev$ $Date$ + */ +public class CompositeBuilder extends AbstractCompositeBuilder<CompositeImplementation> { + + public Component build(ComponentDefinition<CompositeImplementation> componentDefinition, + DeploymentContext deploymentContext) throws BuilderException { + + CompositeImplementation implementation = componentDefinition.getImplementation(); + CompositeComponentType<?, ?, ?> componentType = implementation.getComponentType(); + URI name = componentDefinition.getUri(); + CompositeComponentImpl component = new CompositeComponentImpl(name); + + return build(component, componentType, deploymentContext); + } + + protected Class<CompositeImplementation> getImplementationType() { + return CompositeImplementation.class; + } +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java new file mode 100644 index 0000000000..8df05048c8 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java @@ -0,0 +1,121 @@ +/* + * 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.core.implementation.composite; + +import java.net.URI; +import java.util.List; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.extension.CompositeComponentExtension; +import org.apache.tuscany.spi.wire.Wire; + +import org.apache.tuscany.core.component.event.ComponentStop; + +/** + * The standard implementation of a composite component. Autowiring is performed by delegating to the parent composite. + * + * @version $Rev$ $Date$ + */ +public class CompositeComponentImpl extends CompositeComponentExtension { + public static final int DEFAULT_WAIT = 1000 * 60; + // Blocking latch to ensure the composite is initialized exactly once prior to servicing requests + protected CountDownLatch initializeLatch = new CountDownLatch(1); + protected final Object lock = new Object(); + // Indicates whether the composite context has been initialized + protected boolean initialized; + + /** + * Constructor + * + * @param name the name of this Component + */ + public CompositeComponentImpl(URI name) { + super(name); + } + + public void attachWire(Wire wire) { + throw new UnsupportedOperationException(); + } + + public void attachWires(List<Wire> wires) { + throw new UnsupportedOperationException(); + } + + public List<Wire> getWires(String name) { + throw new UnsupportedOperationException(); + } + + public void attachCallbackWire(Wire wire) { + throw new UnsupportedOperationException(); + } + + public void start() { + synchronized (lock) { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Composite not in UNINITIALIZED state"); + } + initializeLatch.countDown(); + initialized = true; + lifecycleState = INITIALIZED; + } + } + + public void stop() { + if (lifecycleState == STOPPED) { + return; + } + + publish(new ComponentStop(this, getUri())); + // need to block a start until reset is complete + initializeLatch = new CountDownLatch(2); + lifecycleState = STOPPING; + initialized = false; + // allow initialized to be called + initializeLatch.countDown(); + lifecycleState = STOPPED; + } + + public void publish(Event event) { + if (lifecycleState == STOPPED) { + return; + } + checkInit(); + super.publish(event); + } + + /** + * Blocks until the composite context has been initialized + */ + protected void checkInit() throws ComponentTimeoutException { + if (!initialized) { + try { + /* block until the composite has initialized */ + boolean success = initializeLatch.await(DEFAULT_WAIT, TimeUnit.MILLISECONDS); + if (!success) { + throw new ComponentTimeoutException("Timeout waiting for context to initialize"); + } + } catch (InterruptedException e) { // should not happen + } + } + + } + +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java new file mode 100644 index 0000000000..6cb31a8e20 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java @@ -0,0 +1,65 @@ +/* + * 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.core.implementation.composite; + +import java.net.URI; +import java.net.URL; + +import org.apache.tuscany.spi.deployer.CompositeClassLoader; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.CompositeImplementation; + +import org.apache.tuscany.core.deployer.ChildDeploymentContext; + +/** + * Loads a composite component type + * + * @version $Rev$ $Date$ + */ +public class CompositeComponentTypeLoader extends ComponentTypeLoaderExtension<CompositeImplementation> { + public CompositeComponentTypeLoader() { + } + + public CompositeComponentTypeLoader(LoaderRegistry loaderRegistry) { + super(loaderRegistry); + } + + protected Class<CompositeImplementation> getImplementationClass() { + return CompositeImplementation.class; + } + + public void load(CompositeImplementation implementation, DeploymentContext context) throws LoaderException { + URL scdlLocation = implementation.getScdlLocation(); + ClassLoader cl = new CompositeClassLoader(null, implementation.getClassLoader()); + URI componentId = URI.create(context.getComponentId().toString() + '/'); + DeploymentContext childContext = + new ChildDeploymentContext(context, cl, scdlLocation, componentId, context.isAutowire()); + CompositeComponentType componentType = loadFromSidefile(scdlLocation, childContext); + implementation.setComponentType(componentType); + } + + protected CompositeComponentType loadFromSidefile(URL url, DeploymentContext deploymentContext) + throws LoaderException { + return loaderRegistry.load(null, url, CompositeComponentType.class, deploymentContext); + } +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java new file mode 100644 index 0000000000..008ee59de8 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java @@ -0,0 +1,224 @@ +/* + * 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.core.implementation.composite; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import static org.osoa.sca.Constants.SCA_NS; + +import java.net.URI; +import java.util.List; +import java.util.Map; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.InvalidServiceException; +import org.apache.tuscany.spi.loader.InvalidWireException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.Include; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ReferenceTarget; +import org.apache.tuscany.spi.model.ServiceDefinition; +import org.apache.tuscany.spi.model.WireDefinition; +import org.apache.tuscany.spi.services.artifact.ArtifactRepository; +import org.osoa.sca.annotations.Reference; + +/** + * Loads a composite component definition from an XML-based assembly file + * + * @version $Rev$ $Date$ + */ +public class CompositeLoader extends LoaderExtension<CompositeComponentType> { + public static final QName COMPOSITE = new QName(SCA_NS, "composite"); + public static final String URI_DELIMITER = "/"; + + private final ArtifactRepository artifactRepository; + + public CompositeLoader(@Reference + LoaderRegistry registry, @Reference + ArtifactRepository artifactRepository) { + super(registry); + this.artifactRepository = artifactRepository; + } + + public QName getXMLType() { + return COMPOSITE; + } + + public CompositeComponentType load(ModelObject object, XMLStreamReader reader, DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + + String name = reader.getAttributeValue(null, "name"); + String targetNamespace = reader.getAttributeValue(null, "targetNamespace"); + boolean autowire = Boolean.parseBoolean(reader.getAttributeValue(null, "autowire")); + + CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> type = new CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>( + new QName( + targetNamespace, + name)); + type.setAutowire(autowire); + boolean done = false; + while (!done) { + switch (reader.next()) { + case START_ELEMENT: + boolean oldAutowire = deploymentContext.isAutowire(); + deploymentContext.setAutowire(autowire); + ModelObject o = registry.load(type, reader, deploymentContext); + deploymentContext.setAutowire(oldAutowire); + if (o instanceof ServiceDefinition) { + type.add((ServiceDefinition)o); + } else if (o instanceof ReferenceDefinition) { + type.add((ReferenceDefinition)o); + } else if (o instanceof Property<?>) { + type.add((Property<?>)o); + } else if (o instanceof ComponentDefinition<?>) { + type.add((ComponentDefinition<?>)o); + } else if (o instanceof Include) { + type.add((Include)o); + } else if (o instanceof WireDefinition) { + type.add((WireDefinition)o); + } else { + // add as an unknown model extension + if (o != null) { + type.getExtensions().put(o.getClass(), o); + } + } + reader.next(); + break; + case END_ELEMENT: + if (COMPOSITE.equals(reader.getName())) { + // if there are wire defintions then link them up to the + // relevant components + resolveWires(type); + verifyCompositeCompleteness(type); + done = true; + break; + } + } + } + for (ComponentDefinition<? extends Implementation<?>> c : type.getComponents().values()) { + // PropertyHelper.processProperties(type, c, deploymentContext); + } + return type; + } + + protected void resolveWires(CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> composite) + throws InvalidWireException { + ComponentDefinition componentDefinition; + ServiceDefinition serviceDefinition; + List<WireDefinition> wireDefns = composite.getDeclaredWires(); + for (WireDefinition wire : wireDefns) { + URI targetUri = wire.getTarget(); + // validate the target before finding the source + validateTarget(targetUri, composite); + + String sourceName = wire.getSource().getPath(); // new + // QualifiedName(wire.getSource().getPath()); + serviceDefinition = composite.getDeclaredServices().get(sourceName); + if (serviceDefinition != null) { + serviceDefinition.setTarget(wire.getTarget()); + } else { + componentDefinition = composite.getDeclaredComponents().get(sourceName); + if (componentDefinition != null) { + if (wire.getSource().getFragment() == null) { + throw new InvalidWireException("Source reference not specified", sourceName); + } + URI referenceName = URI.create(wire.getSource().getFragment()); + ReferenceTarget referenceTarget = createReferenceTarget(referenceName, + targetUri, + componentDefinition); + componentDefinition.add(referenceTarget); + } else { + throw new InvalidWireException("Source not found", sourceName); + } + } + } + } + + private ReferenceTarget createReferenceTarget(URI componentReferenceName, + URI target, + ComponentDefinition componentDefn) throws InvalidWireException { + ComponentType componentType = componentDefn.getImplementation().getComponentType(); + if (componentReferenceName == null) { + // if there is ambiguity in determining the source of the wire or + // there is no reference to be wired + if (componentType.getReferences().size() > 1 || componentType.getReferences().isEmpty()) { + throw new InvalidWireException("Unable to determine unique source reference"); + } else { + Map references = componentType.getReferences(); + ReferenceDefinition definition = (ReferenceDefinition)references.values().iterator().next(); + componentReferenceName = definition.getUri(); + } + } + + ReferenceTarget referenceTarget = new ReferenceTarget(); + referenceTarget.setReferenceName(componentReferenceName); + referenceTarget.addTarget(target); + return referenceTarget; + } + + protected void verifyCompositeCompleteness(CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> composite) + throws InvalidServiceException { + // check if all of the composite services have been wired + for (ServiceDefinition svcDefn : composite.getDeclaredServices().values()) { + if (svcDefn.getTarget() == null) { + String identifier = svcDefn.getUri().toString(); + throw new InvalidServiceException("Composite service not wired to a target", identifier); + } + } + } + + private void validateTarget(URI target, + CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> composite) + throws InvalidWireException { + // if target is not a reference of the composite + String targetName = target.getPath(); + if (composite.getReferences().get(targetName) == null) { + ComponentDefinition<?> targetDefinition = composite.getDeclaredComponents().get(targetName); + // if a target component exists in this composite + if (targetDefinition != null) { + Implementation<?> implementation = targetDefinition.getImplementation(); + ComponentType<?, ?, ?> componentType = implementation.getComponentType(); + Map<String, ? extends ServiceDefinition> services = componentType.getServices(); + if (target.getFragment() == null) { + if (services.size() > 1 || services.isEmpty()) { + throw new InvalidWireException("Ambiguous target", target.toString()); + } + } else { + if (services.get(target.getFragment()) == null) { + throw new InvalidWireException("Invalid target service", target.toString()); + } + } + } else { + throw new InvalidWireException("Target not found", target.toString()); + } + } + } +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedRequestContext.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedRequestContext.java new file mode 100644 index 0000000000..f2a8109ee3 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedRequestContext.java @@ -0,0 +1,58 @@ +/* + * 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.core.implementation.composite; + +import javax.security.auth.Subject; + +import org.osoa.sca.RequestContext; +import org.osoa.sca.ServiceReference; +import org.osoa.sca.CallableReference; + +import org.apache.tuscany.spi.component.WorkContext; + +/** + * @version $Rev$ $Date$ + */ +public class ManagedRequestContext implements RequestContext { + private WorkContext workContext; + + public ManagedRequestContext(WorkContext workContext) { + this.workContext = workContext; + } + + public Subject getSecuritySubject() { + throw new UnsupportedOperationException(); + } + + public String getServiceName() { + return workContext.getCurrentServiceName(); + } + + public <B> ServiceReference<B> getServiceReference() { + throw new UnsupportedOperationException(); + } + + public <CB> CB getCallback() { + throw new UnsupportedOperationException(); + } + + public <CB> CallableReference<CB> getCallbackReference() { + throw new UnsupportedOperationException(); + } +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ReferenceImpl.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ReferenceImpl.java new file mode 100644 index 0000000000..f824980f29 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ReferenceImpl.java @@ -0,0 +1,71 @@ +/* + * 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.core.implementation.composite; + +import java.net.URI; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.spi.component.AbstractSCAObject; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.model.ServiceContract; + +/** + * The default implementation of a {@link org.apache.tuscany.spi.component.Reference} + * + * @version $Rev$ $Date$ + */ +public class ReferenceImpl extends AbstractSCAObject implements Reference { + private ServiceContract<?> serviceContract; + private List<ReferenceBinding> bindings = new ArrayList<ReferenceBinding>(); + + public ReferenceImpl(URI name, ServiceContract<?> contract) { + super(name); + this.serviceContract = contract; + } + + public ServiceContract<?> getServiceContract() { + return serviceContract; + } + + public List<ReferenceBinding> getReferenceBindings() { + return Collections.unmodifiableList(bindings); + } + + public void addReferenceBinding(ReferenceBinding binding) { + bindings.add(binding); + } + + public void start() { + super.start(); + for (ReferenceBinding binding : bindings) { + binding.start(); + } + } + + public void stop() { + super.stop(); + for (ReferenceBinding binding : bindings) { + binding.stop(); + } + } + +} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ServiceImpl.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ServiceImpl.java new file mode 100644 index 0000000000..b8b9b00b49 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/implementation/composite/ServiceImpl.java @@ -0,0 +1,81 @@ +/* + * 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.core.implementation.composite; + +import java.net.URI; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.spi.component.AbstractSCAObject; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.ServiceBinding; +import org.apache.tuscany.spi.model.ServiceContract; + +/** + * The default implementation of a {@link Service} + * + * @version $Rev$ $Date$ + */ +public class ServiceImpl extends AbstractSCAObject implements Service { + private ServiceContract<?> serviceContract; + private List<ServiceBinding> bindings = new ArrayList<ServiceBinding>(); + private URI targetUri; + + public ServiceImpl(URI name, ServiceContract<?> contract) { + this(name, contract, null); + } + + public ServiceImpl(URI name, ServiceContract<?> contract, URI targetUri) { + super(name); + this.serviceContract = contract; + this.targetUri = targetUri; + } + + public ServiceContract<?> getServiceContract() { + return serviceContract; + } + + public URI getTargetUri() { + return targetUri; + } + + public List<ServiceBinding> getServiceBindings() { + return Collections.unmodifiableList(bindings); + } + + public void addServiceBinding(ServiceBinding binding) { + bindings.add(binding); + } + + public void start() { + super.start(); + for (ServiceBinding binding : bindings) { + binding.start(); + } + } + + public void stop() { + super.stop(); + for (ServiceBinding binding : bindings) { + binding.stop(); + } + } + +} |