diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/AbstractScopeContext.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/AbstractScopeContext.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/AbstractScopeContext.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/AbstractScopeContext.java new file mode 100644 index 0000000000..7eed472101 --- /dev/null +++ b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/scope/AbstractScopeContext.java @@ -0,0 +1,74 @@ +/** + * + * 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.List; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.core.builder.ContextFactory; +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.TargetException; +import org.apache.tuscany.core.context.impl.AbstractLifecycle; + +/** + * Implements functionality common to scope contexts. + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractScopeContext extends AbstractLifecycle implements ScopeContext { + + // The collection of runtime configurations for the scope + protected Map<String, ContextFactory<Context>> contextFactories = new ConcurrentHashMap<String, ContextFactory<Context>>(); + + // The event context the scope container is associated with + protected EventContext eventContext; + + public AbstractScopeContext(EventContext eventContext) { + assert (eventContext != null) : "Event context was null"; + this.eventContext = eventContext; + } + + public void registerFactories(List<ContextFactory<Context>> configurations) { + for (ContextFactory<Context> configuration : configurations) { + contextFactories.put(configuration.getName(), configuration); + } + } + + public Object getInstance(QualifiedName qName) throws TargetException { + Context context = getContext(qName.getPartName()); + if (context == null) { + TargetException e = new TargetException("Target not found"); + e.setIdentifier(qName.getQualifiedName()); + throw e; + } + return context.getInstance(qName); + } + + protected void checkInit() { + if (getLifecycleState() != RUNNING) { + throw new IllegalStateException("Scope not running [" + getLifecycleState() + "]"); + } + } + + protected EventContext getEventContext() { + return eventContext; + } +} |