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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;
import org.apache.tuscany.core.builder.ContextFactory;
import java.util.List;
/**
* Manages the lifecycle and visibility of <code>Context</code>s.
*
* @see org.apache.tuscany.core.context.Context
*
* @version $Rev$ $Date$
*/
public interface ScopeContext extends Lifecycle, RuntimeEventListener {
public Object getInstance(QualifiedName qName) throws TargetException;
/**
* Returns whether implementation instances may be held for the duration of an wire
*/
public boolean isCacheable();
/**
* Registers the context factory used to construct instance contexts for the scope
*/
public void registerFactories(List<ContextFactory<Context>> configurations);
/**
* Adds a context factory to the scope
*/
public void registerFactory(ContextFactory<Context> configuration);
/**
* Returns a context bound to the given name or null if the component does not exist. The returned context is bound
* to a key determined from the thread context.
*/
public Context getContext(String name);
/**
* Returns a context bound to the given name and scoped to the given key or null if the context does not exist
*/
public Context getContextByKey(String name, Object key);
/**
* Removes a context with the given name, determining the scope key from the thread context
*
* @throws ScopeRuntimeException
*/
public void removeContext(String name) throws ScopeRuntimeException;
/**
* Removes a context bound to the given name and scope key
*
* @throws ScopeRuntimeException
*/
public void removeContextByKey(String name, Object key) throws ScopeRuntimeException;
}
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