org.springframework.retry.interceptor.MethodArgumentsKeyGenerator Maven / Gradle / Ivy
/*
* 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.interceptor;
/**
* Interface that allows method parameters to be identified and tagged by a
* unique key.
*
* @author Dave Syer
*
*/
public interface MethodArgumentsKeyGenerator {
/**
* Get a unique identifier for the item that can be used to cache it between
* calls if necessary, and then identify it later.
*
* @param item the current item.
* @return a unique identifier.
*/
Object getKey(Object[] item);
}