41 lines
1.4 KiB
Java
41 lines
1.4 KiB
Java
/*
|
|
* Copyright 2006-2007 the original author or authors.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package org.springframework.retry;
|
|
|
|
/**
|
|
* Callback interface for an operation that can be retried using a
|
|
* {@link RetryOperations}.
|
|
*
|
|
* @param <T> the type of object returned by the callback
|
|
* @param <E> the type of exception it declares may be thrown
|
|
*
|
|
* @author Rob Harrop
|
|
* @author Dave Syer
|
|
*/
|
|
public interface RetryCallback<T, E extends Throwable> {
|
|
|
|
/**
|
|
* Execute an operation with retry semantics. Operations should generally be
|
|
* idempotent, but implementations may choose to implement compensation
|
|
* semantics when an operation is retried.
|
|
* @param context the current retry context.
|
|
* @return the result of the successful operation.
|
|
* @throws E of type E if processing fails
|
|
*/
|
|
T doWithRetry(RetryContext context) throws E;
|
|
}
|