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Hibernate's entity version (audit/history) support
/*
* 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 .
*/
package org.hibernate.envers.internal.tools;
import java.util.Objects;
/**
* A triple of objects.
*
* @param
* @param
* @param
*
* @author Adam Warski ([email protected])
*/
public class Triple {
private T1 obj1;
private T2 obj2;
private T3 obj3;
public Triple(T1 obj1, T2 obj2, T3 obj3) {
this.obj1 = obj1;
this.obj2 = obj2;
this.obj3 = obj3;
}
public T1 getFirst() {
return obj1;
}
public T2 getSecond() {
return obj2;
}
public T3 getThird() {
return obj3;
}
@Override
public boolean equals(Object o) {
if ( this == o ) {
return true;
}
if ( !(o instanceof Triple) ) {
return false;
}
final Triple other = (Triple) o;
return Objects.equals( obj1, other.obj1 )
&& Objects.equals( obj2, other.obj2 )
&& Objects.equals( obj3, other.obj3 );
}
@Override
public int hashCode() {
int result;
result = (obj1 != null ? obj1.hashCode() : 0);
result = 31 * result + (obj2 != null ? obj2.hashCode() : 0);
result = 31 * result + (obj3 != null ? obj3.hashCode() : 0);
return result;
}
public static Triple make(T1 obj1, T2 obj2, T3 obj3) {
return new Triple<>( obj1, obj2, obj3 );
}
}