/*
 * 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.uima.resource.impl;

import org.apache.uima.resource.Session;

public class SessionNamespaceView_impl implements Session {
  private static final long serialVersionUID = 7585276862479207970L;

  private Session mRootSession;

  private String mNamespace;

  public SessionNamespaceView_impl(Session aRootSession, String aNamespace) {
    mRootSession = aRootSession;
    mNamespace = aNamespace;
  }

  /*
   * (non-Javadoc)
   * 
   * @see org.apache.uima.resource.Session#put(java.lang.String, java.lang.Object)
   */
  @Override
  public void put(String aKey, Object aValue) {
    mRootSession.put(mNamespace + aKey, aValue);
  }

  /*
   * (non-Javadoc)
   * 
   * @see org.apache.uima.resource.Session#get(java.lang.String)
   */
  @Override
  public Object get(String aKey) {
    return mRootSession.get(mNamespace + aKey);
  }

  /**
   * Sets the root session for this view. Not part of Session interface.
   * 
   * @param aSession
   *          the root session
   */
  public void setRootSession(Session aSession) {
    mRootSession = aSession;
  }
}
