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 /*
  * TeleStax, Open Source Cloud Communications
  * Copyright 2011-2016, TeleStax Inc. and individual contributors
  * by the @authors tag.
  *
  * This program is free software: you can redistribute it and/or modify
  * under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation; either version 3 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Affero General Public License for more details.
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see 
  *
  * This file incorporates work covered by the following copyright and
  * permission notice:
  *
  *   JBoss, Home of Professional Open Source
  *   Copyright 2007-2011, Red Hat, Inc. and individual contributors
  *   by the @authors tag. See the copyright.txt in the distribution for a
  *   full listing of individual contributors.
  *
  *   This is free software; you can redistribute it and/or modify it
  *   under the terms of the GNU Lesser General Public License as
  *   published by the Free Software Foundation; either version 2.1 of
  *   the License, or (at your option) any later version.
  *
  *   This software is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  *   Lesser General Public License for more details.
  *
  *   You should have received a copy of the GNU Lesser General Public
  *   License along with this software; if not, write to the Free
  *   Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  *   02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */

package org.jdiameter.server.impl;

import org.jdiameter.api.InternalException;
import org.jdiameter.api.MetaData;
import org.jdiameter.api.MutablePeerTable;
import org.jdiameter.api.Network;
import org.jdiameter.api.OverloadManager;
import org.jdiameter.client.api.StackState;

/**
 *
 * @author [email protected]
 * @author  Alexandre Mendonca 
 * @author  Bartosz Baranowski 
 */
public class StackImpl extends org.jdiameter.client.impl.StackImpl implements StackImplMBean {

  @Override
  public MetaData getMetaData() {
    if (state == StackState.IDLE) {
      throw new IllegalStateException("Meta data not defined");
    }
    return assembler.getComponentInstance(MetaDataImpl.class);
  }

  @Override
  public boolean isWrapperFor(Class aClass) throws InternalException {
    if (aClass == MutablePeerTable.class) {
      return true;
    }
    else if (aClass == Network.class) {
      return true;
    }
    else if (aClass == OverloadManager.class) {
      return true;
    }
    else {
      return super.isWrapperFor(aClass);
    }
  }

  @Override
  public  T unwrap(Class aClass) throws InternalException {
    if (aClass == MutablePeerTable.class) {
      return assembler.getComponentInstance(aClass);
    }
    if (aClass == Network.class) {
      return assembler.getComponentInstance(aClass);
    }
    if (aClass == OverloadManager.class) {
      return assembler.getComponentInstance(aClass);
    }
    else {
      return super.unwrap(aClass);
    }
  }
}