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RESOLVED - issue BATCH-683: Lack of parallel support in SimpleStepFactoryBean

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This commit is contained in:
dsyer
2008-06-23 10:56:07 +00:00
parent aca17b3135
commit 991334e221
2 changed files with 36 additions and 3 deletions
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19
spring-batch-core/src/main/java/org/springframework/batch/core/step/item/SimpleStepFactoryBean.java
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@@ -59,6 +59,8 @@ public class SimpleStepFactoryBean extends AbstractStepFactoryBean {
private CompletionPolicy chunkCompletionPolicy;
private int throttleLimit = TaskExecutorRepeatTemplate.DEFAULT_THROTTLE_LIMIT;
/**
* Set the commit interval. Either set this or the chunkCompletionPolicy but
* not both.
@@ -125,6 +127,17 @@ public class SimpleStepFactoryBean extends AbstractStepFactoryBean {
this.taskExecutor = taskExecutor;
}
/**
* Public setter for the throttle limit. This limits the number of tasks
* queued for concurrent processing to prevent thread pools from being
* overwhelmed. Defaults to
* {@link TaskExecutorRepeatTemplate#DEFAULT_THROTTLE_LIMIT}.
* @param throttleLimit the throttle limit to set.
*/
public void setThrottleLimit(int throttleLimit) {
this.throttleLimit = throttleLimit;
}
/**
* Public getter for the ItemHandler.
* @return the ItemHandler
@@ -159,9 +172,10 @@ public class SimpleStepFactoryBean extends AbstractStepFactoryBean {
if (taskExecutor != null) {
TaskExecutorRepeatTemplate repeatTemplate = new TaskExecutorRepeatTemplate();
repeatTemplate.setTaskExecutor(taskExecutor);
repeatTemplate.setThrottleLimit(throttleLimit);
stepOperations = repeatTemplate;
}
stepOperations.setExceptionHandler(exceptionHandler);
step.setStepOperations(stepOperations);
@@ -175,8 +189,7 @@ public class SimpleStepFactoryBean extends AbstractStepFactoryBean {
private CompletionPolicy getChunkCompletionPolicy() {
Assert.state(!(chunkCompletionPolicy != null && commitInterval != 0),
"You must specify either a chunkCompletionPolicy or a commitInterval but not both.");
Assert.state(commitInterval >= 0,
"The commitInterval must be positive or zero (for default value).");
Assert.state(commitInterval >= 0, "The commitInterval must be positive or zero (for default value).");
if (chunkCompletionPolicy != null) {
return chunkCompletionPolicy;