org.wamblee.persistence.Persistent Maven / Gradle / Ivy
The newest version!
/*
* Copyright 2005-2010 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.wamblee.persistence;
import java.io.Serializable;
/**
* Interface for persistent objects. This defines a generic interface for
* accessing primary key and version of entities.
*/
public interface Persistent {
/**
* Gets the primary key.
*
* @return Primary key.
*
* @see #setPrimaryKey(Serializable)
*/
Serializable getPrimaryKey();
/**
* Sets the primary key.
*
* @param aKey
* Primary key.
*
* @see #getPrimaryKey()
*/
void setPrimaryKey(Serializable aKey);
/**
* Gets the version.
*
* @return Version.
*
* @see #setPersistedVersion(int)
*/
Number getPersistedVersion();
/**
* Sets the version.
*
* @param aVersion
* Version.
*
* @see #getPersistedVersion()
*/
void setPersistedVersion(Number aVersion);
}