我注意到在几个例子中,配置activemq与camel的常用方法是使用以下bean。 我想知道Spring Boot是否默认配置了这些bean中的任何一个。 我知道如果activemq jars在类路径上,将创建默认连接工厂,但下面的所有内容呢?
<bean id="jmsConnectionFactory"
class="org.apache.activemq.ActiveMQConnectionFactory">
<property name="brokerURL" value="tcp://localhost:61616"/>
</bean>
<bean id="pooledConnectionFactory"
class="org.apache.activemq.pool.PooledConnectionFactory"
init-method="start" destroy-method="stop">
<property name="maxConnections" value="8"/>
<property name="connectionFactory" ref="jmsConnectionFactory"/>
</bean>
<bean id="jmsConfig"
class="org.apache.camel.component.jms.JmsConfiguration">
<property name="connectionFactory" ref="pooledConnectionFactory"/>
<property name="concurrentConsumers" value="10"/>
</bean>
<bean id="jms"
class="org.apache.activemq.camel.component.ActiveMQComponent">
<property name="configuration" ref="jmsConfig"/>
<property name="transacted" value="true"/>
<property name="cacheLevelName" value="CACHE_CONSUMER"/>
</bean>
或者@Bean
public ActiveMQConnectionFactory getConnectionFactory() {
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory();
connectionFactory.setBrokerURL(brokerURL);
return connectionFactory;
}
@Bean(initMethod = "start", destroyMethod = "stop")
public PooledConnectionFactory getPooledConnectionFactory() {
PooledConnectionFactory pooledConnectionFactory = new PooledConnectionFactory();
pooledConnectionFactory.setMaxConnections(maxConnections);
pooledConnectionFactory.setConnectionFactory(getConnectionFactory());
return pooledConnectionFactory;
}
@Bean
public JmsConfiguration getJmsConfiguration() {
JmsConfiguration jmsConfiguration = new JmsConfiguration();
jmsConfiguration.setConnectionFactory(getPooledConnectionFactory());
return jmsConfiguration;
}
@Bean
public JmsConfiguration getJmsHighPriorityConfiguration() {
JmsConfiguration jmsConfiguration = new JmsConfiguration();
jmsConfiguration.setConnectionFactory(getPooledConnectionFactory());
jmsConfiguration.setPriority(8);
return jmsConfiguration;
}
@Override
protected void setupCamelContext(CamelContext camelContext) throws Exception {
ActiveMQComponent activeMQComponent = new ActiveMQComponent();
activeMQComponent.setConfiguration(getJmsConfiguration());
camelContext.addComponent("activemq", activeMQComponent);
ActiveMQComponent activeMQHighPriorityComponent = new ActiveMQComponent();
activeMQHighPriorityComponent.setConfiguration(getJmsHighPriorityConfiguration());
camelContext.addComponent("activemq-high-priority", activeMQHighPriorityComponent);
}