/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.model.option.definition;
import org.apache.commons.lang.Validate;
/**
*
*/
public class Barrier {
/** Knock type */
public enum KnockType {
/** Knock-in */
IN,
/** Knock-out */
OUT
}
/** Barrier type */
public enum BarrierType {
/** Down */
DOWN,
/** Up */
UP
}
//TODO probably will need something more useful
/** Observation type */
public enum ObservationType {
/** Continuous */
CONTINUOUS,
/** Close */
CLOSE
}
private final KnockType _knock;
private final BarrierType _barrier;
private final ObservationType _observation;
private final double _level;
public Barrier(final KnockType knock, final BarrierType barrier, final ObservationType observation, final double level) {
Validate.notNull(knock, "knock type");
Validate.notNull(barrier, "barrier type");
Validate.notNull(observation, "observation type");
Validate.isTrue(level > 0, "barrier level must be > 0");
_knock = knock;
_barrier = barrier;
_observation = observation;
_level = level;
}
public KnockType getKnockType() {
return _knock;
}
public BarrierType getBarrierType() {
return _barrier;
}
public ObservationType getObservationType() {
return _observation;
}
public double getBarrierLevel() {
return _level;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + _barrier.hashCode();
result = prime * result + _knock.hashCode();
result = prime * result + _observation.hashCode();
long temp;
temp = Double.doubleToLongBits(_level);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof Barrier)) {
return false;
}
final Barrier other = (Barrier) obj;
return _barrier == other._barrier &&
_knock == other._knock &&
_observation == other._observation &&
Double.doubleToLongBits(_level) == Double.doubleToLongBits(other._level);
}
}