diff options
Diffstat (limited to 'tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/scope/StatelessScopeContext.java')
-rw-r--r-- | tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/scope/StatelessScopeContext.java | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/scope/StatelessScopeContext.java b/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/scope/StatelessScopeContext.java deleted file mode 100644 index 8b12f8b183..0000000000 --- a/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/context/scope/StatelessScopeContext.java +++ /dev/null @@ -1,145 +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.context.scope; - -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.core.builder.RuntimeConfiguration; -import org.apache.tuscany.core.context.InstanceContext; -import org.apache.tuscany.core.context.Context; -import org.apache.tuscany.core.context.LifecycleEventListener; -import org.apache.tuscany.core.context.CoreRuntimeException; -import org.apache.tuscany.core.context.EventContext; -import org.apache.tuscany.core.context.RuntimeEventListener; - -/** - * A container that manages stateless components. - * - * @version $Rev$ $Date$ - */ -public class StatelessScopeContext extends AbstractScopeContext implements RuntimeEventListener, LifecycleEventListener { - - // ---------------------------------- - // Fields - // ---------------------------------- - - // Component contexts keyed by name - private Map<String, InstanceContext> contextMap; - - // ---------------------------------- - // Constructor - // ---------------------------------- - - public StatelessScopeContext(EventContext eventContext) { - super(eventContext); - setName("Stateless Scope"); - } - - // ---------------------------------- - // Lifecycle methods - // ---------------------------------- - - public synchronized void start() { - if (lifecycleState != UNINITIALIZED) { - throw new IllegalStateException("Scope must be in UNINITIALIZED state [" + lifecycleState + "]"); - } - super.start(); - lifecycleState = RUNNING; - prepare(); - } - - public synchronized void stop() { - if (lifecycleState != RUNNING) { - throw new IllegalStateException("Scope in wrong state [" + lifecycleState + "]"); - } - super.stop(); - contextMap = null; - lifecycleState = STOPPED; - } - - // ---------------------------------- - // Methods - // ---------------------------------- - - public void registerConfiguration(RuntimeConfiguration<InstanceContext> configuration) { - runtimeConfigurations.put(configuration.getName(), configuration); - if (lifecycleState == RUNNING) { - contextMap.put(configuration.getName(), configuration.createInstanceContext()); - } - - } - - public void onEvent(int type, Object key) { - // do nothing - } - - public boolean isCacheable() { - return true; - } - - public InstanceContext getContext(String ctxName) { - return contextMap.get(ctxName); - } - - public InstanceContext getContextByKey(String ctxName, Object key) { - return getContext(ctxName); - } - - public void removeContext(String ctxName) { - removeContextByKey(ctxName, null); - } - - public void removeContextByKey(String ctxName, Object key) { - contextMap.remove(ctxName); - } - - /** - * Always returns null since stateless components cannot be shutdown - */ - protected InstanceContext[] getShutdownContexts(Object key) { - return null; - } - - // ---------------------------------- - // Private methods - // ---------------------------------- - - public void onInstanceCreate(Context component) { - // do nothing - } - - private void prepare() throws CoreRuntimeException { - if (lifecycleState != RUNNING) { - throw new IllegalStateException("Scope not in INITIALIZED state [" + lifecycleState + "]"); - } - if (contextMap == null) { - contextMap = new ConcurrentHashMap(); - for (RuntimeConfiguration<InstanceContext> config : runtimeConfigurations.values()) { - for (int i = 0; i < runtimeConfigurations.size(); i++) { - InstanceContext context = null; - context = config.createInstanceContext(); - context.addContextListener(this); - context.start(); - contextMap.put(context.getName(), context); - } - - } - } - } - -}
\ No newline at end of file |