ActiveMQ example source code file (MapTransportConnectionStateRegister.java)

This example ActiveMQ source code file (MapTransportConnectionStateRegister.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

arraylist, cannot, cannot, connectionid, hashmap, illegalstateexception, illegalstateexception, list, map, map, maptransportconnectionstateregister, threading, threads, transportconnectionstate, transportconnectionstate, transportconnectionstateregister, util

The ActiveMQ MapTransportConnectionStateRegister.java source code

/**
 * 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.activemq.broker;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.activemq.command.ConnectionId;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ProducerId;
import org.apache.activemq.command.SessionId;

/**
 * 
 */

public class MapTransportConnectionStateRegister  implements TransportConnectionStateRegister{

    private  Map <ConnectionId,TransportConnectionState>connectionStates = new ConcurrentHashMap();

    public TransportConnectionState registerConnectionState(ConnectionId connectionId,
                                                               TransportConnectionState state) {
        TransportConnectionState rc = connectionStates.put(connectionId, state);
        return rc;
    }

    public TransportConnectionState unregisterConnectionState(ConnectionId connectionId) {
        TransportConnectionState rc = connectionStates.remove(connectionId);
        if (rc.getReferenceCounter().get() > 1) {
            rc.decrementReference();
            connectionStates.put(connectionId, rc);
        }
        return rc;
    }

    public List<TransportConnectionState> listConnectionStates() {
    	
        List<TransportConnectionState> rc = new ArrayList();
        rc.addAll(connectionStates.values());
        return rc;
    }

    public TransportConnectionState lookupConnectionState(String connectionId) {
        return connectionStates.get(new ConnectionId(connectionId));
    }

    public TransportConnectionState lookupConnectionState(ConsumerId id) {
        TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
        if (cs == null) {
            throw new IllegalStateException(
                                            "Cannot lookup a consumer from a connection that had not been registered: "
                                                + id.getParentId().getParentId());
        }
        return cs;
    }

    public TransportConnectionState lookupConnectionState(ProducerId id) {
    	 TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
        if (cs == null) {
            throw new IllegalStateException(
                                            "Cannot lookup a producer from a connection that had not been registered: "
                                                + id.getParentId().getParentId());
        }
        return cs;
    }

    public TransportConnectionState lookupConnectionState(SessionId id) {
    	 TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
        if (cs == null) {
            throw new IllegalStateException(
                                            "Cannot lookup a session from a connection that had not been registered: "
                                                + id.getParentId());
        }
        return cs;
    }

    public TransportConnectionState lookupConnectionState(ConnectionId connectionId) {
        TransportConnectionState cs = connectionStates.get(connectionId);
        if (cs == null) {
            throw new IllegalStateException("Cannot lookup a connection that had not been registered: "
                                            + connectionId);
        }
        return cs;
    }

	

	public boolean doesHandleMultipleConnectionStates() {
		return true;
	}

	public boolean isEmpty() {
		return connectionStates.isEmpty();
	}

	public void clear() {
		connectionStates.clear();
		
	}

	public void intialize(TransportConnectionStateRegister other) {
		connectionStates.clear();
		connectionStates.putAll(other.mapStates());
		
	}

	public Map<ConnectionId, TransportConnectionState> mapStates() {
		HashMap<ConnectionId, TransportConnectionState> map = new HashMap(connectionStates);
		return map;
	}

}