/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.envers;
/**
* Type of the revision.
*
* @author Adam Warski (adam at warski dot org)
*/
public enum RevisionType {
/**
* Indicates that the entity was added (persisted) at that revision.
*/
ADD( (byte) 0 ),
/**
* Indicates that the entity was modified (one or more of its fields) at that revision.
*/
MOD( (byte) 1 ),
/**
* Indicates that the entity was deleted (removed) at that revision.
*/
DEL( (byte) 2 );
private Byte representation;
RevisionType(byte representation) {
this.representation = representation;
}
public Byte getRepresentation() {
return representation;
}
public static RevisionType fromRepresentation(Object representation) {
if ( representation == null || !(representation instanceof Byte) ) {
return null;
}
switch ( (Byte) representation ) {
case 0: {
return ADD;
}
case 1: {
return MOD;
}
case 2: {
return DEL;
}
default: {
throw new IllegalArgumentException( "Unknown representation: " + representation );
}
}
}
}