de.codecentric.batch.configuration

Class TaskExecutorConfiguration

java.lang.Object

de.codecentric.batch.configuration.TaskExecutorConfiguration

@Configuration
@ConditionalOnMissingBean(value=org.springframework.core.task.TaskExecutor.class)
public class TaskExecutorConfiguration
extends Object

This is the default configuration for a TaskExecutor used in the SimpleJobLauncher for starting jobs asynchronously. Its core thread pool is configured to five threads by default, which can be changed by setting the property batch.core.pool.size to a different number. Please note the following rules of the ThreadPoolExecutor: If the number of threads is less than the corePoolSize, the executor creates a new thread to run a new task. If the number of threads is equal (or greater than) the corePoolSize, the executor puts the task into the queue. If the queue is full and the number of threads is less than the maxPoolSize, the executor creates a new thread to run a new task. If the queue is full and the number of threads is greater than or equal to maxPoolSize, reject the task. So with the default configuration there will be only 5 jobs/threads at the same time. The TaskExecutor may also be used in job configurations for multi-threaded job execution. In XML you can use it by name, which is taskExecutor. In JavaConfig, you can either autowire TaskExecutor or, if you want to know where it's configured, this class.

Author:

Dennis Schulte

Constructor Summary

Constructors

Constructor and Description
TaskExecutorConfiguration()

Method Summary

Methods

Modifier and Type	Method and Description
org.springframework.core.task.TaskExecutor	taskExecutor()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TaskExecutorConfiguration

public TaskExecutorConfiguration()

Method Detail

taskExecutor

@Bean
public org.springframework.core.task.TaskExecutor taskExecutor()