diff options
Diffstat (limited to 'sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java')
-rw-r--r-- | sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java deleted file mode 100644 index 5a398e921e..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java +++ /dev/null @@ -1,141 +0,0 @@ -/* - * 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.core.component.scope; - -import java.util.ArrayList; -import java.util.List; -import java.util.ListIterator; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.spi.component.AtomicComponent; -import org.apache.tuscany.spi.component.ScopeContainerMonitor; -import org.apache.tuscany.spi.component.TargetDestructionException; -import org.apache.tuscany.spi.component.TargetResolutionException; -import org.apache.tuscany.spi.component.WorkContext; -import org.apache.tuscany.spi.component.InstanceWrapper; -import org.apache.tuscany.spi.event.Event; -import org.apache.tuscany.spi.model.Scope; - -import org.apache.tuscany.core.component.event.HttpSessionEnd; - -/** - * A scope context which manages atomic component instances keyed on HTTP session - * - * @version $Rev$ $Date$ - */ -public class HttpSessionScopeContainer extends AbstractScopeContainer { - private final WorkContext workContext; - private final Map<AtomicComponent, Map<Object, InstanceWrapper>> contexts; - private final Map<Object, List<InstanceWrapper>> destroyQueues; - - public HttpSessionScopeContainer(WorkContext workContext, ScopeContainerMonitor monitor) { - super(Scope.SESSION, monitor); - this.workContext = workContext; - contexts = new ConcurrentHashMap<AtomicComponent, Map<Object, InstanceWrapper>>(); - destroyQueues = new ConcurrentHashMap<Object, List<InstanceWrapper>>(); - } - - public void onEvent(Event event) { - checkInit(); - if (event instanceof HttpSessionEnd) { - Object key = ((HttpSessionEnd) event).getId(); - shutdownInstances(key); - workContext.clearIdentifier(key); - } - } - - public synchronized void start() { - if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { - throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); - } - lifecycleState = RUNNING; - } - - public synchronized void stop() { - contexts.clear(); - synchronized (destroyQueues) { - destroyQueues.clear(); - } - lifecycleState = STOPPED; - } - - public void register(AtomicComponent component, Object groupId) { - contexts.put(component, new ConcurrentHashMap<Object, InstanceWrapper>()); - component.addListener(this); - } - - public void unregister(AtomicComponent component) { - // FIXME should all the instances associated with this component be destroyed already - contexts.remove(component); - component.removeListener(this); - super.unregister(component); - } - - protected InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create) - throws TargetResolutionException { - Object key = workContext.getIdentifier(Scope.SESSION); - assert key != null : "HTTP session key not bound in work context"; - return getInstance(component, key, create); - } - - private InstanceWrapper getInstance(AtomicComponent component, Object key, boolean create) - throws TargetResolutionException { - Map<Object, InstanceWrapper> wrappers = contexts.get(component); - InstanceWrapper ctx = wrappers.get(key); - if (ctx == null && !create) { - return null; - } - if (ctx == null) { - ctx = component.createInstanceWrapper(); - ctx.start(); - wrappers.put(key, ctx); - List<InstanceWrapper> destroyQueue = destroyQueues.get(key); - if (destroyQueue == null) { - destroyQueue = new ArrayList<InstanceWrapper>(); - destroyQueues.put(key, destroyQueue); - } - synchronized (destroyQueue) { - destroyQueue.add(ctx); - } - } - return ctx; - - } - - private void shutdownInstances(Object key) { - List<InstanceWrapper> destroyQueue = destroyQueues.remove(key); - if (destroyQueue != null) { - for (Map<Object, InstanceWrapper> map : contexts.values()) { - map.remove(key); - } - ListIterator<InstanceWrapper> iter = destroyQueue.listIterator(destroyQueue.size()); - synchronized (destroyQueue) { - while (iter.hasPrevious()) { - try { - iter.previous().stop(); - } catch (TargetDestructionException e) { - monitor.destructionError(e); - } - } - } - } - } - -} |