org.apache.rocketmq.spring.annotation

注释类型 RocketMQMessageListener

@Target(value=TYPE)
 @Retention(value=RUNTIME)
 @Documented
public @interface RocketMQMessageListener

字段概要

字段

限定符和类型	字段和说明
static String	ACCESS_CHANNEL_PLACEHOLDER
static String	ACCESS_KEY_PLACEHOLDER
static String	NAME_SERVER_PLACEHOLDER
static String	SECRET_KEY_PLACEHOLDER
static String	TRACE_TOPIC_PLACEHOLDER

必需元素概要

所需元素

限定符和类型	必需的元素和说明
String	consumerGroup Consumers of the same role is required to have exactly same subscriptions and consumerGroup to correctly achieve load balance.
String	topic Topic name.

可选元素概要

可选元素

限定符和类型	可选元素和说明
String	accessChannel The property of "access-channel".
String	accessKey The property of "access-key".
ConsumeMode	consumeMode Control consume mode, you can choice receive message concurrently or orderly.
int	consumeThreadMax Max consumer thread number.
long	consumeTimeout Maximum amount of time in minutes a message may block the consuming thread.
String	customizedTraceTopic The name value of message trace topic.If you don't config,you can use the default trace topic name.
boolean	enableMsgTrace Switch flag instance for message trace.
MessageModel	messageModel Control message mode, if you want all subscribers receive message all message, broadcasting is a good choice.
String	nameServer The property of "name-server".
String	secretKey The property of "secret-key".
String	selectorExpression Control which message can be select.
SelectorType	selectorType Control how to selector message.

字段详细资料

NAME_SERVER_PLACEHOLDER

public static final String NAME_SERVER_PLACEHOLDER

ACCESS_KEY_PLACEHOLDER

public static final String ACCESS_KEY_PLACEHOLDER

SECRET_KEY_PLACEHOLDER

public static final String SECRET_KEY_PLACEHOLDER

TRACE_TOPIC_PLACEHOLDER

public static final String TRACE_TOPIC_PLACEHOLDER

ACCESS_CHANNEL_PLACEHOLDER

public static final String ACCESS_CHANNEL_PLACEHOLDER

元素详细资料

consumerGroup

public abstract String consumerGroup

Consumers of the same role is required to have exactly same subscriptions and consumerGroup to correctly achieve load balance. It's required and needs to be globally unique. See here for further discussion.

topic

public abstract String topic

Topic name.

selectorType

public abstract SelectorType selectorType

Control how to selector message.

另请参阅:

SelectorType

默认值:

org.apache.rocketmq.spring.annotation.SelectorType.TAG

selectorExpression

public abstract String selectorExpression

Control which message can be select. Grammar please see SelectorType.TAG and SelectorType.SQL92

默认值:

"*"

consumeMode

public abstract ConsumeMode consumeMode

Control consume mode, you can choice receive message concurrently or orderly.

默认值:

org.apache.rocketmq.spring.annotation.ConsumeMode.CONCURRENTLY

messageModel

public abstract MessageModel messageModel

Control message mode, if you want all subscribers receive message all message, broadcasting is a good choice.

默认值:

org.apache.rocketmq.spring.annotation.MessageModel.CLUSTERING

consumeThreadMax

public abstract int consumeThreadMax

Max consumer thread number.

默认值:

64

consumeTimeout

public abstract long consumeTimeout

Maximum amount of time in minutes a message may block the consuming thread.

默认值:

15L

accessKey

public abstract String accessKey

The property of "access-key".

默认值:

"${rocketmq.consumer.access-key:}"

secretKey

public abstract String secretKey

The property of "secret-key".

默认值:

"${rocketmq.consumer.secret-key:}"

enableMsgTrace

public abstract boolean enableMsgTrace

Switch flag instance for message trace.

默认值:

true

customizedTraceTopic

public abstract String customizedTraceTopic

The name value of message trace topic.If you don't config,you can use the default trace topic name.

默认值:

"${rocketmq.consumer.customized-trace-topic:}"

nameServer

public abstract String nameServer

The property of "name-server".

默认值:

"${rocketmq.name-server:}"

accessChannel

public abstract String accessChannel

The property of "access-channel".

默认值:

"${rocketmq.access-channel:}"