How can I use a custom executor for an @Async method?

Question

I am using ThreadPoolExecutor as my custom executor with @ASync annotation.

In google, I have found that the task below needs to be configured in xml but I'm not sure how the myExecutor is mapped to my custom executor.

<task:annotation-driven executor="myExecutor" />

Even found that in bean properties, its path is not given.

How is it called then?

OrangeDog · Accepted Answer · 2017-03-02 16:10:45Z

1

Four options:

Declare a single bean of type TaskExecutor
Declare a single bean with the name AsyncExecutionAspectSupport.DEFAULT_TASK_EXECUTOR_BEAN_NAME ("taskExecutor")
Implement AsyncConfigurer#getAsyncExecutor
For individual classes/methods, provide a qualifier of an executor bean in the @Async#value.

answered Mar 2, 2017 at 16:10

OrangeDog

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Comments

Stephane Nicoll · Accepted Answer · 2014-03-13 08:51:27Z

0

I am not sure I understand your question but your configuration snippet is correct provided that you have defined an Executor bean with myExecutor as id.

The javadoc of @EnableAsync has a good coverage of how this works. For instance, to create a ThreadPoolTaskExecutor with 5 core threads and 10 max threads:

<task:annotation-driven executor="myExecutor"/>
<task:executor id="myExecutor" pool-size="5-10"/>

answered Mar 13, 2014 at 8:51

Stephane Nicoll

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