Package org.springframework.retry.policy

Class PredicateRetryPolicy

java.lang.Object

org.springframework.retry.policy.PredicateRetryPolicy

All Implemented Interfaces:

Serializable, RetryPolicy

public class PredicateRetryPolicy
extends Object
implements RetryPolicy

A policy, that is based on Predicate<Throwable>. Usually, binary classification is enough for retry purposes. If you need more flexible classification, use ExceptionClassifierRetryPolicy.

Since:

2.0.7

Author:

Morulai Planinski

See Also:

• Serialized Form

Field Summary

Fields inherited from interface org.springframework.retry.RetryPolicy

NO_MAXIMUM_ATTEMPTS_SET

Constructor Summary

Constructors

Constructor	Description
PredicateRetryPolicy(Predicate<Throwable> predicate)

Method Summary

Modifier and Type	Method	Description
boolean	canRetry(RetryContext context)
void	close(RetryContext status)
RetryContext	open(RetryContext parent)	Acquire resources needed for the retry operation.
void	registerThrowable(RetryContext context, Throwable throwable)	Called once per retry attempt, after the callback fails.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.retry.RetryPolicy

getMaxAttempts

Constructor Details

PredicateRetryPolicy

public PredicateRetryPolicy(Predicate<Throwable> predicate)

Method Details

canRetry

public boolean canRetry(RetryContext context)

Specified by:

canRetry in interface RetryPolicy

Parameters:

context - the current retry status

Returns:

true if the operation can proceed

close

public void close(RetryContext status)

Specified by:

close in interface RetryPolicy

Parameters:

status - a retry status created by the RetryPolicy.open(RetryContext) method of this policy.

registerThrowable

public void registerThrowable(RetryContext context,
 Throwable throwable)

Description copied from interface: RetryPolicy

Called once per retry attempt, after the callback fails.

Specified by:

registerThrowable in interface RetryPolicy

Parameters:

context - the current status object.

throwable - the exception to throw

open

public RetryContext open(RetryContext parent)

Description copied from interface: RetryPolicy

Acquire resources needed for the retry operation. The callback is passed in so that marker interfaces can be used and a manager can collaborate with the callback to set up some state in the status token.

Specified by:

open in interface RetryPolicy

Parameters:

parent - the parent context if we are in a nested retry.

Returns:

a RetryContext object specific to this policy.