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The ActiveMQ Message Broker implementation
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/**
 * 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.jmx;

import javax.management.ObjectName;

import org.apache.activemq.Service;

public interface ConnectionViewMBean extends Service {

    /**
     * @return true if the Connection is slow
     */
    @MBeanInfo("Connection is slow.")
    boolean isSlow();

    /**
     * @return if after being marked, the Connection is still writing
     */
    @MBeanInfo("Connection is blocked.")
    boolean isBlocked();

    /**
     * @return true if the Connection is connected
     */
    @MBeanInfo("Connection is connected to the broker.")
    boolean isConnected();

    /**
     * @return true if the Connection is active
     */
    @MBeanInfo("Connection is active (both connected and receiving messages).")
    boolean isActive();

    /**
     * Resets the statistics
     */
    @MBeanInfo("Resets the statistics")
    void resetStatistics();

    /**
     * Returns the source address for this connection
     *
     * @return the source address for this connection
     */
    @MBeanInfo("source address for this connection")
    String getRemoteAddress();

    /**
     * Returns the client identifier for this connection
     *
     * @return the the client identifier for this connection
     */
    @MBeanInfo("client id for this connection")
    String getClientId();

    /**
     * Returns the number of messages to be dispatched to this connection
     * @return the  number of messages pending dispatch
     */
    @MBeanInfo("The number of messages pending dispatch")
    public int getDispatchQueueSize();

    /**
     * Returns the User Name used to authorize creation of this Connection.
     * This value can be null if display of user name information is disabled.
     *
     * @return the name of the user that created this Connection
     */
    @MBeanInfo("User Name used to authorize creation of this connection")
    String getUserName();

    /**
     * Returns the ObjectNames of all the Consumers created by this Connection.
     *
     * @return the ObjectNames of all Consumers created by this Connection.
     */
    @MBeanInfo("The ObjectNames of all Consumers created by this Connection")
    ObjectName[] getConsumers();

    /**
     * Returns the ObjectNames of all the Producers created by this Connection.
     *
     * @return the ObjectNames of all Producers created by this Connection.
     */
    @MBeanInfo("The ObjectNames of all Producers created by this Connection")
    ObjectName[] getProducers();

    /**
     * Returns the number of active transactions established on this Connection.
     *
     * @return the number of active transactions established on this Connection..
     */
    @MBeanInfo("The number of active transactions established on this Connection.")
    public int getActiveTransactionCount();

    /**
     * Returns the number of active transactions established on this Connection.
     *
     * @return the number of active transactions established on this Connection..
     */
    @MBeanInfo("The age in ms of the oldest active transaction established on this Connection.")
    public Long getOldestActiveTransactionDuration();

}