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ActiveMQ example source code file (ConnectionContext.java)

This example ActiveMQ source code file (ConnectionContext.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, atomicboolean, connection, connectioncontext, connectioncontext, connectionid, connector, io, messageauthorizationpolicy, messageevaluationcontext, object, string, string, threading, threads, transaction, transaction

The ActiveMQ ConnectionContext.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.io.IOException;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.activemq.broker.region.MessageReference;
import org.apache.activemq.command.ConnectionId;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.TransactionId;
import org.apache.activemq.command.WireFormatInfo;
import org.apache.activemq.filter.MessageEvaluationContext;
import org.apache.activemq.security.MessageAuthorizationPolicy;
import org.apache.activemq.security.SecurityContext;
import org.apache.activemq.transaction.Transaction;

/**
 * Used to hold context information needed to process requests sent to a broker.
 * 
 * 
 */
public class ConnectionContext {

    private Connection connection;
    private Connector connector;
    private Broker broker;
    private boolean inRecoveryMode;
    private Transaction transaction;
    private ConcurrentHashMap<TransactionId, Transaction> transactions;
    private SecurityContext securityContext;
    private ConnectionId connectionId;
    private String clientId;
    private String userName;
    private boolean reconnect;
    private WireFormatInfo wireFormatInfo;
    private Object longTermStoreContext;
    private boolean producerFlowControl = true;
    private MessageAuthorizationPolicy messageAuthorizationPolicy;
    private boolean networkConnection;
    private boolean faultTolerant;
    private final AtomicBoolean stopping = new AtomicBoolean();
    private final MessageEvaluationContext messageEvaluationContext;
    private boolean dontSendReponse;
    private boolean clientMaster = true;

    public ConnectionContext() {
    	this.messageEvaluationContext = new MessageEvaluationContext();
    }
    
    public ConnectionContext(MessageEvaluationContext messageEvaluationContext) {
    	this.messageEvaluationContext=messageEvaluationContext;
    }
    
    public ConnectionContext(ConnectionInfo info) {
    	this();
        setClientId(info.getClientId());
        setUserName(info.getUserName());
        setConnectionId(info.getConnectionId());
    }
    
    public ConnectionContext copy() {
        ConnectionContext rc = new ConnectionContext(this.messageEvaluationContext);
        rc.connection = this.connection;
        rc.connector = this.connector;
        rc.broker = this.broker;
        rc.inRecoveryMode = this.inRecoveryMode;
        rc.transaction = this.transaction;
        rc.transactions = this.transactions;
        rc.securityContext = this.securityContext;
        rc.connectionId = this.connectionId;
        rc.clientId = this.clientId;
        rc.userName = this.userName;
        rc.reconnect = this.reconnect;
        rc.wireFormatInfo = this.wireFormatInfo;
        rc.longTermStoreContext = this.longTermStoreContext;
        rc.producerFlowControl = this.producerFlowControl;
        rc.messageAuthorizationPolicy = this.messageAuthorizationPolicy;
        rc.networkConnection = this.networkConnection;
        rc.faultTolerant = this.faultTolerant;
        rc.stopping.set(this.stopping.get());
        rc.dontSendReponse = this.dontSendReponse;
        rc.clientMaster = this.clientMaster;
        return rc;
    }


    public SecurityContext getSecurityContext() {
        return securityContext;
    }

    public void setSecurityContext(SecurityContext subject) {
        this.securityContext = subject;
        if (subject != null) {
            setUserName(subject.getUserName());
        } else {
            setUserName(null);
        }
    }

    /**
     * @return the broker being used.
     */
    public Broker getBroker() {
        return broker;
    }

    /**
     * @param broker being used
     */
    public void setBroker(Broker broker) {
        this.broker = broker;
    }

    /**
     * @return the connection being used
     */
    public Connection getConnection() {
        return connection;
    }

    /**
     * @param connection being used
     */
    public void setConnection(Connection connection) {
        this.connection = connection;
    }

    /**
     * @return the transaction being used.
     */
    public Transaction getTransaction() {
        return transaction;
    }

    /**
     * @param transaction being used.
     */
    public void setTransaction(Transaction transaction) {
        this.transaction = transaction;
    }

    /**
     * @return the connector being used.
     */
    public Connector getConnector() {
        return connector;
    }

    /**
     * @param connector being used.
     */
    public void setConnector(Connector connector) {
        this.connector = connector;
    }

    public MessageAuthorizationPolicy getMessageAuthorizationPolicy() {
        return messageAuthorizationPolicy;
    }

    /**
     * Sets the policy used to decide if the current connection is authorized to
     * consume a given message
     */
    public void setMessageAuthorizationPolicy(MessageAuthorizationPolicy messageAuthorizationPolicy) {
        this.messageAuthorizationPolicy = messageAuthorizationPolicy;
    }

    /**
     * @return
     */
    public boolean isInRecoveryMode() {
        return inRecoveryMode;
    }

    public void setInRecoveryMode(boolean inRecoveryMode) {
        this.inRecoveryMode = inRecoveryMode;
    }

    public ConcurrentHashMap<TransactionId, Transaction> getTransactions() {
        return transactions;
    }

    public void setTransactions(ConcurrentHashMap<TransactionId, Transaction> transactions) {
        this.transactions = transactions;
    }

    public boolean isInTransaction() {
        return transaction != null;
    }

    public String getClientId() {
        return clientId;
    }

    public void setClientId(String clientId) {
        this.clientId = clientId;
    }

    public boolean isReconnect() {
        return reconnect;
    }

    public void setReconnect(boolean reconnect) {
        this.reconnect = reconnect;
    }

    public WireFormatInfo getWireFormatInfo() {
        return wireFormatInfo;
    }

    public void setWireFormatInfo(WireFormatInfo wireFormatInfo) {
        this.wireFormatInfo = wireFormatInfo;
    }

    public ConnectionId getConnectionId() {
        return connectionId;
    }

    public void setConnectionId(ConnectionId connectionId) {
        this.connectionId = connectionId;
    }

    public String getUserName() {
        return userName;
    }

    protected void setUserName(String userName) {
        this.userName = userName;
    }

    public MessageEvaluationContext getMessageEvaluationContext() {
        return messageEvaluationContext;
    }

    public Object getLongTermStoreContext() {
        return longTermStoreContext;
    }

    public void setLongTermStoreContext(Object longTermStoreContext) {
        this.longTermStoreContext = longTermStoreContext;
    }

    public boolean isProducerFlowControl() {
        return producerFlowControl;
    }

    public void setProducerFlowControl(boolean disableProducerFlowControl) {
        this.producerFlowControl = disableProducerFlowControl;
    }

    public boolean isAllowedToConsume(MessageReference n) throws IOException {
        if (messageAuthorizationPolicy != null) {
            return messageAuthorizationPolicy.isAllowedToConsume(this, n.getMessage());
        }
        return true;
    }

    public synchronized boolean isNetworkConnection() {
        return networkConnection;
    }

    public synchronized void setNetworkConnection(boolean networkConnection) {
        this.networkConnection = networkConnection;
    }

    public AtomicBoolean getStopping() {
        return stopping;
    }

    public void setDontSendReponse(boolean b) {
        this.dontSendReponse = b;
    }

    public boolean isDontSendReponse() {
        return dontSendReponse;
    }

    /**
     * @return the slave
     */
    public boolean isSlave() {
        return (this.broker != null && this.broker.getBrokerService().isSlave()) || !this.clientMaster;
    }

    /**
     * @return the clientMaster
     */
    public boolean isClientMaster() {
        return this.clientMaster;
    }

    /**
     * @param clientMaster the clientMaster to set
     */
    public void setClientMaster(boolean clientMaster) {
        this.clientMaster = clientMaster;
    }

    public boolean isFaultTolerant() {
        return faultTolerant;
    }

    public void setFaultTolerant(boolean faultTolerant) {
        this.faultTolerant = faultTolerant;
    }

}

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