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/**
*
* 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;
}
}
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