diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java new file mode 100644 index 0000000000..58d7a626a6 --- /dev/null +++ b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java @@ -0,0 +1,111 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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.extension; + +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; + +import org.apache.tuscany.core.builder.BuilderException; +import org.apache.tuscany.core.builder.ContextFactoryBuilder; +import org.apache.tuscany.core.builder.ContextFactoryBuilderRegistry; +import org.apache.tuscany.core.message.MessageFactory; +import org.apache.tuscany.core.system.annotation.Autowire; +import org.apache.tuscany.core.wire.SourceWireFactory; +import org.apache.tuscany.core.wire.service.WireFactoryService; +import org.apache.tuscany.model.assembly.AssemblyObject; +import org.apache.tuscany.model.assembly.Binding; +import org.apache.tuscany.model.assembly.ConfiguredService; +import org.apache.tuscany.model.assembly.EntryPoint; +import org.apache.tuscany.model.assembly.Service; +import org.osoa.sca.annotations.Init; + +/** + * A base class for a {@link ContextFactoryBuilder} that creates {@link org.apache.tuscany.core.context.EntryPointContext}s + * + * @version $$Rev$$ $$Date$$ + */ +public abstract class EntryPointBuilderSupport<T extends Binding> implements ContextFactoryBuilder { + + protected ContextFactoryBuilderRegistry builderRegistry; + protected WireFactoryService wireService; + protected MessageFactory messageFactory; + protected Class bindingClass; + + public EntryPointBuilderSupport() { + // reflect the generic type of the subclass + Type type = this.getClass().getGenericSuperclass(); + if (type instanceof ParameterizedType) { + bindingClass = (Class) ((ParameterizedType) type).getActualTypeArguments()[0]; + } else { + throw new AssertionError("Subclasses of " + ContextFactoryBuilderSupport.class.getName() + " must be genericized"); + } + } + + @Init(eager = true) + public void init() throws Exception { + builderRegistry.register(this); + } + + @Autowire + public void setBuilderRegistry(ContextFactoryBuilderRegistry registry) { + builderRegistry = registry; + } + + @Autowire + public void setWireService(WireFactoryService wireService) { + this.wireService = wireService; + } + + /** + * Sets the factory used to construct wire messages + * + * @param msgFactory + */ + @Autowire + public void setMessageFactory(MessageFactory msgFactory) { + this.messageFactory = msgFactory; + } + + public void build(AssemblyObject object) throws BuilderException { + if (!(object instanceof EntryPoint)) { + return; + } + EntryPoint entryPoint = (EntryPoint) object; + if (entryPoint.getBindings().size() < 1) { + return; + } + if (!bindingClass.isAssignableFrom(entryPoint.getBindings().get(0).getClass())) { + return; + } + + EntryPointContextFactory contextFactory = createEntryPointContextFactory(entryPoint, messageFactory); + ConfiguredService configuredService = entryPoint.getConfiguredService(); + Service service = configuredService.getPort(); + SourceWireFactory wireFactory = wireService.createSourceFactory(entryPoint.getConfiguredReference()).get(0); + contextFactory.addSourceWireFactory(service.getName(), wireFactory); + entryPoint.setContextFactory(contextFactory); + } + + /** + * Callback to create the specific <code>ContextFactory</code> type associated with the extending + * implementation + * + * @param entryPoint the entry point being processed + * @param msgFactory the message factory to be used by <code>EntryPointContext</code> when flowing + * invocations + */ + protected abstract EntryPointContextFactory createEntryPointContextFactory(EntryPoint entryPoint, MessageFactory msgFactory); + + +} |