| /* |
| * 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.context; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.tuscany.sca.assembly.Composite; |
| import org.apache.tuscany.sca.assembly.Endpoint; |
| import org.apache.tuscany.sca.assembly.EndpointReference; |
| import org.apache.tuscany.sca.core.ExtensionPointRegistry; |
| import org.apache.tuscany.sca.definitions.Definitions; |
| import org.apache.tuscany.sca.invocation.Message; |
| import org.apache.tuscany.sca.runtime.DomainRegistry; |
| import org.apache.tuscany.sca.runtime.RuntimeComponent; |
| import org.apache.tuscany.sca.runtime.RuntimeComponentContext; |
| |
| /** |
| * The context associated with the Node that provides access to ExtensionPointRegistry and DomainRegistry |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class CompositeContext { |
| protected ExtensionPointRegistry extensionPointRegistry; |
| protected DomainRegistry domainRegistry; |
| protected ComponentContextFactory componentContextFactory; |
| protected Composite domainComposite; |
| protected String nodeURI; |
| protected String domainURI; |
| protected Definitions systemDefinitions; |
| |
| protected Map<String, Object> attributes = new HashMap<String, Object>(); |
| protected Object node; |
| |
| public CompositeContext(ExtensionPointRegistry registry, |
| DomainRegistry domainRegistry, |
| Composite domainComposite, |
| String domainURI, |
| String nodeURI, |
| Definitions systemDefinitions, |
| Object node) { |
| this.extensionPointRegistry = registry; |
| this.domainRegistry = domainRegistry; |
| ContextFactoryExtensionPoint contextFactories = registry.getExtensionPoint(ContextFactoryExtensionPoint.class); |
| this.componentContextFactory = contextFactories.getFactory(ComponentContextFactory.class); |
| this.domainComposite = domainComposite; |
| this.domainURI = domainURI; |
| this.nodeURI = nodeURI; |
| this.systemDefinitions = systemDefinitions; |
| this.node = node; |
| } |
| |
| public CompositeContext(ExtensionPointRegistry registry, |
| DomainRegistry domainRegistry, |
| Composite domainComposite, |
| String domainURI, |
| String nodeURI, |
| Definitions systemDefinitions) { |
| this(registry, domainRegistry, null, "default", "default", systemDefinitions, null); |
| } |
| |
| public CompositeContext(ExtensionPointRegistry registry, DomainRegistry domainRegistry) { |
| this(registry, domainRegistry, null, "default", "default", null, null); |
| } |
| |
| /** |
| * @return |
| */ |
| public static RuntimeComponent getCurrentComponent() { |
| Message message = ThreadMessageContext.getMessageContext(); |
| if (message != null) { |
| Endpoint to = message.getTo(); |
| if (to == null) { |
| return null; |
| } |
| RuntimeComponent component = (RuntimeComponent)message.getTo().getComponent(); |
| return component; |
| } |
| return null; |
| } |
| |
| /** |
| * @return |
| */ |
| public static CompositeContext getCurrentCompositeContext() { |
| RuntimeComponent component = getCurrentComponent(); |
| if (component != null) { |
| RuntimeComponentContext componentContext = component.getComponentContext(); |
| return componentContext.getCompositeContext(); |
| } |
| return null; |
| } |
| |
| public void bindComponent(RuntimeComponent runtimeComponent) { |
| RuntimeComponentContext componentContext = |
| (RuntimeComponentContext)componentContextFactory.createComponentContext(this, runtimeComponent); |
| runtimeComponent.setComponentContext(componentContext); |
| } |
| |
| /** |
| * |
| * @param endpointReference |
| */ |
| public void bindEndpointReference(EndpointReference endpointReference) { |
| |
| } |
| |
| /** |
| * Get the ExtensionPointRegistry for this node |
| * @return The ExtensionPointRegistry |
| */ |
| public ExtensionPointRegistry getExtensionPointRegistry() { |
| return extensionPointRegistry; |
| } |
| |
| /** |
| * Get the DomainRegistry |
| * @return The DomainRegistry for this node |
| */ |
| public DomainRegistry getEndpointRegistry() { |
| return domainRegistry; |
| } |
| |
| public Composite getDomainComposite() { |
| return domainComposite; |
| } |
| |
| public String getNodeURI() { |
| return nodeURI; |
| } |
| |
| public String getDomainURI() { |
| return domainURI; |
| } |
| |
| /** |
| * The system definitions that result from starting the runtime. |
| * TODO - these can be null when the SCAClient starts the runtime |
| * |
| * @return systemDefinitions |
| */ |
| public Definitions getSystemDefinitions() { |
| return systemDefinitions; |
| } |
| |
| /** |
| * Look up an attribute value by name |
| * @param <T> |
| * @param name The name of the attribute |
| * @return The value of the attribute |
| */ |
| @SuppressWarnings("unchecked") |
| public <T> T getAttribute(String name) { |
| return (T)attributes.get(name); |
| } |
| |
| /** |
| * Set the value of an attribute |
| * @param name The name of the attribute |
| * @param value |
| */ |
| public void setAttribute(String name, Object value) { |
| attributes.put(name, value); |
| } |
| |
| public Map<String, Object> getAttributes() { |
| return attributes; |
| } |
| |
| public <T> T getNode() { |
| return (T)node; |
| } |
| } |