diff options
Diffstat (limited to 'tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/system/context/SystemEntryPointContext.java')
-rw-r--r-- | tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/system/context/SystemEntryPointContext.java | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/system/context/SystemEntryPointContext.java b/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/system/context/SystemEntryPointContext.java deleted file mode 100644 index 107e676c47..0000000000 --- a/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/system/context/SystemEntryPointContext.java +++ /dev/null @@ -1,82 +0,0 @@ -/** - * - * 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.system.context; - -import org.apache.tuscany.core.builder.ContextResolver; -import org.apache.tuscany.core.context.impl.AbstractContext; -import org.apache.tuscany.core.context.Context; -import org.apache.tuscany.core.context.CoreRuntimeException; -import org.apache.tuscany.core.context.EntryPointContext; -import org.apache.tuscany.core.context.QualifiedName; -import org.apache.tuscany.core.context.TargetException; - -/** - * Manages an entry point into a system module. System entry points cache a direct (i.e. non-proxied) reference to a - * component instance. - * - * @version $Rev$ $Date$ - */ -public class SystemEntryPointContext extends AbstractContext implements EntryPointContext { - - // a reference to the component's implementation instance exposed by the entry point - private Object cachedInstance; - - private ContextResolver resolver; - - private QualifiedName targetName; - - private Class serviceInterface; - - public SystemEntryPointContext(String name, String targetName, Class serviceInterface, ContextResolver resolver) { - super(name); - assert (resolver != null) : "Context resolver was null"; - assert (targetName != null) : "Target name was null"; - assert (serviceInterface != null) : "Service interface is null"; - this.serviceInterface = serviceInterface; - this.resolver = resolver; - this.targetName = new QualifiedName(targetName); - } - - public Object getInstance(QualifiedName qName) throws TargetException { - try { - if (cachedInstance == null) { - Context ctx = resolver.getCurrentContext().getContext(targetName.getPartName()); - if (ctx == null){ - return null; - } - cachedInstance = ctx.getInstance(targetName); - } - return cachedInstance; - } catch (TargetException e) { - e.addContextName(getName()); - throw e; - } - } - - public void start() throws CoreRuntimeException { - lifecycleState = RUNNING; - } - - public void stop() throws CoreRuntimeException { - lifecycleState = STOPPED; - } - - public Object getHandler() throws TargetException { - return getInstance(null); - } - - public Class getServiceInterface() { - return serviceInterface; - } -} |