IsNewStrategy.java

/*
 * Copyright 2012 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.data.support;

/**
 * Strategy interface to determine whether a given entity is to be considered new.
 * 
 * @author Oliver Gierke
 * @since 1.5
 */
public interface IsNewStrategy {

	/**
	 * Returns whether the given entity is new, i.e. has never been persisted before or not.
	 * 
	 * @param entity must not be {@literal null}.
	 * @return
	 */
	boolean isNew(Object entity);
}