diff options
Diffstat (limited to 'tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/CompositeScopeContext.java')
-rw-r--r-- | tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/CompositeScopeContext.java | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/CompositeScopeContext.java b/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/CompositeScopeContext.java deleted file mode 100644 index 7468ff9dd6..0000000000 --- a/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/CompositeScopeContext.java +++ /dev/null @@ -1,156 +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.ArrayList; -import java.util.List; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.core.builder.ContextFactory; -import org.apache.tuscany.core.context.CompositeContext; -import org.apache.tuscany.core.context.Context; -import org.apache.tuscany.core.context.EventContext; -import org.apache.tuscany.core.context.QualifiedName; -import org.apache.tuscany.core.context.ScopeContext; -import org.apache.tuscany.core.context.ScopeInitializationException; -import org.apache.tuscany.core.context.ScopeRuntimeException; -import org.apache.tuscany.core.context.TargetException; -import org.apache.tuscany.core.context.event.Event; -import org.apache.tuscany.core.context.event.ModuleStart; -import org.apache.tuscany.core.context.event.ModuleStop; -import org.apache.tuscany.core.context.impl.AbstractLifecycle; - -/** - * Manages the lifecycle of composite component contexts, i.e. contexts which contain child contexts - * - * @see org.apache.tuscany.core.context.CompositeContext - * @version $Rev$ $Date$ - */ -public class CompositeScopeContext extends AbstractLifecycle implements ScopeContext { - - private List<ContextFactory<Context>> configs = new ArrayList<ContextFactory<Context>>(); - - // Composite component contexts in this scope keyed by name - private Map<String, CompositeContext> contexts = new ConcurrentHashMap<String, CompositeContext>(); - - // indicates if a module start event has been previously propagated so child contexts added after can be notified - private boolean moduleScopeStarted; - - public CompositeScopeContext(EventContext eventContext) { - assert (eventContext != null) : "Event context was null"; - setName("Composite Scope"); - } - - public void start() throws ScopeInitializationException { - for (ContextFactory<Context> configuration : configs) { - Context context = configuration.createContext(); - if (!(context instanceof CompositeContext)) { - ScopeInitializationException e = new ScopeInitializationException("Context not an composite type"); - e.addContextName(context.getName()); - throw e; - } - CompositeContext compositeCtx = (CompositeContext) context; - compositeCtx.start(); - contexts.put(compositeCtx.getName(), compositeCtx); - } - lifecycleState = RUNNING; - } - - public void stop() throws ScopeRuntimeException { - for (CompositeContext context : contexts.values()) { - context.stop(); - } - } - - public void registerFactories(List<ContextFactory<Context>> configurations) { - this.configs = configurations; - } - - public void registerFactory(ContextFactory<Context> configuration) { - assert (configuration != null) : "Configuration was null"; - configs.add(configuration); - if (getLifecycleState() == RUNNING) { - Context context = configuration.createContext(); - if (!(context instanceof CompositeContext)) { - ScopeInitializationException e = new ScopeInitializationException("Context not an composite type"); - e.setIdentifier(context.getName()); - throw e; - } - CompositeContext compositeCtx = (CompositeContext) context; - compositeCtx.start(); - if (moduleScopeStarted) { - compositeCtx.publish(new ModuleStart(this)); - } - contexts.put(compositeCtx.getName(), compositeCtx); - } - } - - public boolean isCacheable() { - return false; - } - - public Object getInstance(QualifiedName qName) throws TargetException { - Context context = getContext(qName.getPartName()); - if (context == null) { - TargetException e = new TargetException("Component not found"); - e.setIdentifier(qName.getQualifiedName()); - throw e; - } - return context.getInstance(qName); - } - - public Context getContext(String ctxName) { - checkInit(); - return contexts.get(ctxName); - } - - public Context getContextByKey(String ctxName, Object key) { - return getContext(ctxName); - } - - public void removeContext(String ctxName) throws ScopeRuntimeException { - Context context = contexts.remove(ctxName); - if (context != null) { - context.stop(); - } - } - - public void removeContextByKey(String ctxName, Object key) throws ScopeRuntimeException { - throw new UnsupportedOperationException(); - } - - public void onEvent(Event event){ - if (event instanceof ModuleStart) { - // track module starting so that composite contexts registered after the event are notified properly - moduleScopeStarted = true; - } else if (event instanceof ModuleStop) { - moduleScopeStarted = false; - publish(event); - } - // propagate events to child contexts - for (CompositeContext context : contexts.values()) { - context.publish(event); - } - } - - private void checkInit() { - if (getLifecycleState()!= RUNNING) { - throw new IllegalStateException("Scope not running [" + getLifecycleState() + "]"); - } - } -} |