org.hibernate.validator.internal.engine.resolver.AbstractTraversableHolder Maven / Gradle / Ivy
/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or .
*/
package org.hibernate.validator.internal.engine.resolver;
import javax.validation.Path;
abstract class AbstractTraversableHolder {
private final Object traversableObject;
private final Path.Node traversableProperty;
private final int hashCode;
protected AbstractTraversableHolder(Object traversableObject, Path.Node traversableProperty) {
this.traversableObject = traversableObject;
this.traversableProperty = traversableProperty;
this.hashCode = buildHashCode();
}
@Override
public boolean equals(Object o) {
if ( this == o ) {
return true;
}
if ( o == null || !( o instanceof AbstractTraversableHolder ) ) {
return false;
}
AbstractTraversableHolder that = (AbstractTraversableHolder) o;
if ( traversableObject != null ? ( traversableObject != that.traversableObject ) : that.traversableObject != null ) {
return false;
}
if ( !traversableProperty.equals( that.traversableProperty ) ) {
return false;
}
return true;
}
@Override
public int hashCode() {
return hashCode;
}
public int buildHashCode() {
// HV-1013 Using identity hash code in order to avoid calling hashCode() of objects which may
// be handling null properties not correctly
int result = traversableObject != null ? System.identityHashCode( traversableObject ) : 0;
result = 31 * result + traversableProperty.hashCode();
return result;
}
}