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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 java.util.Map;
import org.apache.tuscany.model.assembly.Scope;
/**
* Implementations provide scope container creation facilities and scope semantics to the runtime
*
* @version $Rev$ $Date$
*/
public interface ScopeStrategy {
/* Denotes an undefined scope */
public static final int SCOPE_NOT_FOUND = -3;
/**
* Creates and returns new instances of configured scope containers
*/
public Map<Scope, ScopeContext> createScopes(EventContext eventContext);
/**
* Determines whether a wire proceeds from a source of higher scope to a target of lesser scope
*/
public boolean downScopeReference(Scope sourceScope, Scope targetScope);
}
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