<beans
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:amq="http://activemq.apache.org/schema/core"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
  http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">
    <!-- Allows us to use system properties as variables in this configuration file -->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>file:${activemq.base}/conf/credentials.properties</value>
        </property>      
    </bean>
    <!-- 
        The <broker> element is used to configure the ActiveMQ broker. 
    -->
    <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="${activemq.base}/data"> 
        <!--
            For better performances use VM cursor and small memory limit.
            For more information, see:            
            http://activemq.apache.org/message-cursors.html            
            Also, if your producer is "hanging", it's probably due to producer flow control.
            For more information, see:
            http://activemq.apache.org/producer-flow-control.html        -->             
        <destinationPolicy>
            <policyMap>
              <policyEntries>
                <policyEntry topic=">" producerFlowControl="true" memoryLimit="1mb">
                  <pendingSubscriberPolicy>
                    <vmCursor />
                  </pendingSubscriberPolicy>
                </policyEntry>
                <policyEntry queue=">" producerFlowControl="true" memoryLimit="1mb">
                  <!-- Use VM cursor for better latency
                       For more information, see:
                       http://activemq.apache.org/message-cursors.html
                  <pendingQueuePolicy>
                    <vmQueueCursor/>
                  </pendingQueuePolicy>
                  -->
                </policyEntry>
              </policyEntries>
            </policyMap>
        </destinationPolicy>         
        <!-- 
            The managementContext is used to configure how ActiveMQ is exposed in 
            JMX. By default, ActiveMQ uses the MBean server that is started by 
            the JVM. For more information, see:            
            http://activemq.apache.org/jmx.html 
        -->
        <managementContext>
            <managementContext createConnector="false"/>
        </managementContext>
        <!-- 
            Configure message persistence for the broker. The default persistence
            mechanism is the KahaDB store (identified by the kahaDB tag). 
            For more information, see:             
            http://activemq.apache.org/persistence.html 
        -->
        <persistenceAdapter>
            <kahaDB directory="${activemq.base}/data/kahadb"/>
        </persistenceAdapter>        
          <!--
            The systemUsage controls the maximum amount of space the broker will 
            use before slowing down producers. For more information, see:            
            http://activemq.apache.org/producer-flow-control.html             
        <systemUsage>
            <systemUsage>
                <memoryUsage>
                    <memoryUsage limit="20 mb"/>
                </memoryUsage>
                <storeUsage>
                    <storeUsage limit="1 gb"/>
                </storeUsage>
                <tempUsage>
                    <tempUsage limit="100 mb"/>
                </tempUsage>
            </systemUsage>
        </systemUsage>
        -->          
        <!-- 
            The transport connectors expose ActiveMQ over a given protocol to
            clients and other brokers. For more information, see:             
            http://activemq.apache.org/configuring-transports.html 
        -->
        <transportConnectors>
            <transportConnector name="openwire" uri="tcp://0.0.0.0:61616"/>
        </transportConnectors>
    </broker>
    <!-- 
        Enable web consoles, REST and Ajax APIs and demos        
        Take a look at ${ACTIVEMQ_HOME}/conf/jetty.xml for more details 
    -->
    <import resource="jetty.xml"/>    
</beans>