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ActiveMQ example source code file (ConnectionState.java)

This example ActiveMQ source code file (ConnectionState.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

atomicboolean, collection, concurrenthashmap, concurrenthashmap, connectionstate, consumerinfo, consumerinfo, hashmap, iterator, list, sessionstate, sessionstate, threading, threads, transactionstate, transactionstate, util

The ActiveMQ ConnectionState.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.state;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.DestinationInfo;
import org.apache.activemq.command.SessionId;
import org.apache.activemq.command.SessionInfo;
import org.apache.activemq.command.TransactionId;

public class ConnectionState {

    ConnectionInfo info;
    private final ConcurrentHashMap<TransactionId, TransactionState> transactions = new ConcurrentHashMap();
    private final ConcurrentHashMap<SessionId, SessionState> sessions = new ConcurrentHashMap();
    private final List<DestinationInfo> tempDestinations = Collections.synchronizedList(new ArrayList());
    private final AtomicBoolean shutdown = new AtomicBoolean(false);
    private boolean connectionInterruptProcessingComplete = true;
    private HashMap<ConsumerId, ConsumerInfo> recoveringPullConsumers;

    public ConnectionState(ConnectionInfo info) {
        this.info = info;
        // Add the default session id.
        addSession(new SessionInfo(info, -1));
    }

    public String toString() {
        return info.toString();
    }

    public void reset(ConnectionInfo info) {
        this.info = info;
        transactions.clear();
        sessions.clear();
        tempDestinations.clear();
        shutdown.set(false);
        // Add the default session id.
        addSession(new SessionInfo(info, -1));
    }

    public void addTempDestination(DestinationInfo info) {
        checkShutdown();
        tempDestinations.add(info);
    }

    public void removeTempDestination(ActiveMQDestination destination) {
        for (Iterator<DestinationInfo> iter = tempDestinations.iterator(); iter.hasNext();) {
            DestinationInfo di = iter.next();
            if (di.getDestination().equals(destination)) {
                iter.remove();
            }
        }
    }

    public void addTransactionState(TransactionId id) {
        checkShutdown();
        transactions.put(id, new TransactionState(id));
    }

    public TransactionState getTransactionState(TransactionId id) {
        return transactions.get(id);
    }

    public Collection<TransactionState> getTransactionStates() {
        return transactions.values();
    }

    public TransactionState removeTransactionState(TransactionId id) {
        return transactions.remove(id);
    }

    public void addSession(SessionInfo info) {
        checkShutdown();
        sessions.put(info.getSessionId(), new SessionState(info));
    }

    public SessionState removeSession(SessionId id) {
        return sessions.remove(id);
    }

    public SessionState getSessionState(SessionId id) {
        return sessions.get(id);
    }

    public ConnectionInfo getInfo() {
        return info;
    }

    public Set<SessionId> getSessionIds() {
        return sessions.keySet();
    }

    public List<DestinationInfo> getTempDestinations() {
        return tempDestinations;
    }

    public Collection<SessionState> getSessionStates() {
        return sessions.values();
    }

    private void checkShutdown() {
        if (shutdown.get()) {
            throw new IllegalStateException("Disposed");
        }
    }

    public void shutdown() {
        if (shutdown.compareAndSet(false, true)) {
            for (Iterator<SessionState> iter = sessions.values().iterator(); iter.hasNext();) {
                SessionState ss = iter.next();
                ss.shutdown();
            }
        }
    }

    public Map<ConsumerId, ConsumerInfo> getRecoveringPullConsumers() {
        if (recoveringPullConsumers == null) {
            recoveringPullConsumers = new HashMap<ConsumerId, ConsumerInfo>();
        }
        return recoveringPullConsumers;
    }

    public void setConnectionInterruptProcessingComplete(boolean connectionInterruptProcessingComplete) {
        this.connectionInterruptProcessingComplete = connectionInterruptProcessingComplete;
    }
    
    public boolean isConnectionInterruptProcessingComplete() {
        return connectionInterruptProcessingComplete;
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ ConnectionState.java source code file:

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