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diff --git a/branches/sca-java-0.90/modules/core/src/main/java/org/apache/tuscany/sca/scope/ScopeContainer.java b/branches/sca-java-0.90/modules/core/src/main/java/org/apache/tuscany/sca/scope/ScopeContainer.java
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--- a/branches/sca-java-0.90/modules/core/src/main/java/org/apache/tuscany/sca/scope/ScopeContainer.java
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-/*
- * 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.scope;
-
-import org.apache.tuscany.sca.event.RuntimeEventListener;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-
-
-/**
- * Manages the lifecycle and visibility of instances associated with a an {@link RuntimeComponent}.
- *
- * @version $Rev$ $Date$
- * @param <KEY> the type of IDs that this container uses to identify its contexts.
- * For example, for COMPOSITE scope this could be the URI of the composite component,
- * or for HTTP Session scope it might be the HTTP session ID.
- */
-public interface ScopeContainer<KEY> extends Lifecycle, RuntimeEventListener {
-
- /**
- * Returns the Scope that this container supports.
- *
- * @return the Scope that this container supports
- */
- Scope getScope();
-
- /**
- * Start a new context with the supplied ID.
- *
- * @param contextId an ID that uniquely identifies the context.
- */
- void startContext(KEY contextId);
-
- /**
- * Stop the context with the supplied ID.
- *
- * @param contextId an ID that uniquely identifies the context.
- */
- void stopContext(KEY contextId);
-
- /**
- * Returns an instance wrapper associated with the current scope context, creating one if necessary
- * @param contextId the id for the scope context
- *
- * @return the wrapper for the target instance
- * @throws TargetResolutionException if there was a problem instantiating the target instance
- */
- InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException;
-
- /**
- * Returns an implementation instance associated with the current scope context.
- * If no instance is found, a {@link TargetNotFoundException} is thrown.
- * @param contextId the id for the scope context
- *
- * @return the wrapper for the target instance
- * @throws TargetResolutionException if there was a problem instantiating the target instance
- */
- InstanceWrapper getAssociatedWrapper(KEY contextId)
- throws TargetResolutionException;
-
- /**
- * Return a wrapper after use (for example, after invoking the instance).
- * @param wrapper the wrapper for the target instance being returned
- * @param contextId the id for the scope context
- *
- * @throws TargetDestructionException if there was a problem returning the target instance
- */
- void returnWrapper(InstanceWrapper wrapper, KEY contextId)
- throws TargetDestructionException;
-
- /**
- * Removes a component implementation instance associated with the current context from persistent storage
- *
- * @param component the owning component
- * @throws PersistenceException if there was a problem removing the instance
- */
- void remove() throws PersistenceException;
-}