diff options
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java b/sca-java-2.x/tags/2.0-Beta1-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java deleted file mode 100644 index 4674456925..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java +++ /dev/null @@ -1,196 +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.sca.core.scope; - -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.sca.core.factory.InstanceWrapper; -import org.apache.tuscany.sca.provider.ImplementationProvider; -import org.apache.tuscany.sca.runtime.RuntimeComponent; - -/** - * Implements functionality common to scope contexts. - * - * @version $Rev$ $Date$ - */ -public abstract class AbstractScopeContainer<KEY> implements ScopeContainer<KEY> { - protected Map<KEY, InstanceWrapper<?>> wrappers = new ConcurrentHashMap<KEY, InstanceWrapper<?>>(); - protected final Scope scope; - - protected RuntimeComponent component; - protected volatile int lifecycleState = UNINITIALIZED; - - - public AbstractScopeContainer(Scope scope, RuntimeComponent component) { - this.scope = scope; - this.component = component; - } - - protected void checkInit() { - if (getLifecycleState() != RUNNING) { - throw new IllegalStateException("Scope container not running [" + getLifecycleState() + "]"); - } - } - - /** - * Creates a new physical instance of a component, wrapped in an - * InstanceWrapper. - * - * @param component the component whose instance should be created - * @return a wrapped instance that has been injected but not yet started - * @throws TargetResolutionException if there was a problem creating the - * instance - */ - protected InstanceWrapper createInstanceWrapper() throws TargetResolutionException { - ImplementationProvider implementationProvider = component.getImplementationProvider(); - if (implementationProvider instanceof ScopedImplementationProvider) { - return ((ScopedImplementationProvider)implementationProvider).createInstanceWrapper(); - } - return null; - } - - public InstanceWrapper getAssociatedWrapper(KEY contextId) throws TargetResolutionException { - return getWrapper(contextId); // TODO: what is this method supposed to do diff than getWrapper? - } - - public Scope getScope() { - return scope; - } - - public InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException { - return wrappers.get(contextId); - } - - public void addWrapperReference(KEY existingContextId, KEY newContextId) - throws TargetResolutionException { - // do nothing here. the conversational scope container implements this - } - - public void registerWrapper(InstanceWrapper wrapper, KEY contextId) throws TargetResolutionException { - // do nothing here. the conversational scope container implements this - } - - protected boolean isEagerInit() { - ImplementationProvider implementationProvider = ((RuntimeComponent)component).getImplementationProvider(); - if (implementationProvider instanceof ScopedImplementationProvider) { - return ((ScopedImplementationProvider)implementationProvider).isEagerInit(); - } - return false; - } - - public void returnWrapper(InstanceWrapper wrapper, KEY contextId) throws TargetDestructionException { - } - - /** - * Default implementation of remove which does nothing - * - * @param contextId the identifier of the context to remove. - */ - public void remove(KEY contextId) - throws TargetDestructionException { - } - - public synchronized void start() { - int lifecycleState = getLifecycleState(); - if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { - throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); - } - setLifecycleState(RUNNING); - } - - public void startContext(KEY contextId) { - if(isEagerInit()) { - try { - getWrapper(contextId); - } catch (TargetResolutionException e) { - // - } - } - } - - public synchronized void stop() { - int lifecycleState = getLifecycleState(); - if (lifecycleState != RUNNING) { - throw new IllegalStateException("Scope in wrong state [" + lifecycleState + "]"); - } - setLifecycleState(STOPPED); - } - - public void stopContext(KEY contextId) { - wrappers.remove(contextId); - } - - @Override - public String toString() { - String s; - switch (lifecycleState) { - case ScopeContainer.CONFIG_ERROR: - s = "CONFIG_ERROR"; - break; - case ScopeContainer.ERROR: - s = "ERROR"; - break; - case ScopeContainer.INITIALIZING: - s = "INITIALIZING"; - break; - case ScopeContainer.INITIALIZED: - s = "INITIALIZED"; - break; - case ScopeContainer.RUNNING: - s = "RUNNING"; - break; - case ScopeContainer.STOPPING: - s = "STOPPING"; - break; - case ScopeContainer.STOPPED: - s = "STOPPED"; - break; - case ScopeContainer.UNINITIALIZED: - s = "UNINITIALIZED"; - break; - default: - s = "UNKNOWN"; - break; - } - return "In state [" + s + ']'; - } - - public RuntimeComponent getComponent() { - return component; - } - - public void setComponent(RuntimeComponent component) { - this.component = component; - } - - public int getLifecycleState() { - return lifecycleState; - } - - /** - * Set the current state of the Lifecycle. - * - * @param lifecycleState the new state - */ - protected void setLifecycleState(int lifecycleState) { - this.lifecycleState = lifecycleState; - } - -} |