pl.ais.commons.bean.validation.event.ConstraintViolated Maven / Gradle / Ivy
package pl.ais.commons.bean.validation.event;
import pl.ais.commons.bean.validation.Constraint;
import pl.ais.commons.bean.validation.constrainable.Constrainable;
import java.util.EventObject;
import java.util.Objects;
/**
* Event delivered on each constraint violation.
*
* @author Warlock, AIS.PL
* @since 1.0.1
*/
public final class ConstraintViolated extends EventObject {
private static final long serialVersionUID = 8067767397804548665L;
private final Constrainable offender;
/**
* Constructs new instance.
*
* @param constraint violated constraint
* @param offender the constrainable which violated the constraint
*/
public ConstraintViolated(final Constraint constraint, final Constrainable offender) {
super(constraint);
this.offender = offender;
}
/**
* Indicates whether some other object is "equal to" this one.
*/
@Override
public boolean equals(final Object object) {
boolean result = (this == object);
if (!result && (object instanceof ConstraintViolated)) {
final ConstraintViolated other = (ConstraintViolated) object;
result = Objects.equals(source, other.source) && Objects.equals(offender, other.offender);
}
return result;
}
/**
* @return the constrainable which violated the constraint
*/
@SuppressWarnings("unchecked")
public Constrainable getOffender() {
return (Constrainable) offender;
}
/**
* @return violated constraint
*/
@SuppressWarnings("rawtypes")
@Override
public Constraint getSource() {
return (Constraint) source;
}
/**
* @return a hash code value for this constrainable value
*/
@Override
public int hashCode() {
return Objects.hash(source, offender);
}
/**
* @return a String representation of this event
*/
@Override
public String toString() {
return new StringBuilder().append(source)
.append(" violated by ")
.append(offender)
.toString();
}
}