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 /*
  * 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.batch.retry.interceptor;

Strategy interface to distinguish new arguments from ones that have been processed before, e.g. by examining a message flag.

Author(s):
Dave Syer
public interface NewMethodArgumentsIdentifier {

Inspect the arguments and determine if they have never been processed before. The safest choice when the answer is indeterminate is 'false'.

Parameters:
args the current method arguments.
Returns:
true if the item is known to have never been processed before.
	boolean isNew(Object[] args);
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