/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.financial.convention.daycount;
import java.io.Serializable;
import org.threeten.bp.LocalDate;
import org.threeten.bp.ZonedDateTime;
import com.opengamma.OpenGammaRuntimeException;
import com.opengamma.util.ArgumentChecker;
/**
* Base class providing a hash and equality test based on the class.
*/
/* package */abstract class StatelessDayCount extends DayCount implements Serializable {
/** Serialization version. */
private static final long serialVersionUID = 1L;
/**
* ArgumentCheckers that the dates are non-null and ordered/equal.
* @param d1 the first date, not null
* @param d2 the second date, not null
*/
protected void testDates(final LocalDate d1, final LocalDate d2) {
ArgumentChecker.notNull(d1, "first date");
ArgumentChecker.notNull(d2, "second date");
if (!(d2.isAfter(d1) || d2.equals(d1))) {
throw new OpenGammaRuntimeException("d2 must be on or after d1: have d1 = " + d1 + " and d2 = " + d2);
}
}
/**
* ArgumentCheckers that the dates are non-null and ordered/equal.
* @param d1 the first date, not null
* @param d2 the second date, not null
*/
protected void testDates(final ZonedDateTime d1, final ZonedDateTime d2) {
ArgumentChecker.notNull(d1, "first date");
ArgumentChecker.notNull(d2, "second date");
testDates(d1.toLocalDate(), d2.toLocalDate());
}
/**
* ArgumentCheckers that the dates are non-null and ordered/equal.
* @param d1 the first date, not null
* @param d2 the second date, not null
* @param d3 the third date, not null
*/
protected void testDates(final LocalDate d1, final LocalDate d2, final LocalDate d3) {
ArgumentChecker.notNull(d1, "first date");
ArgumentChecker.notNull(d2, "second date");
ArgumentChecker.notNull(d3, "third date");
ArgumentChecker.isTrue((d2.isAfter(d1) || d2.equals(d1)) && (d2.isBefore(d3) || d2.equals(d3)),
"must have d1 <= d2 <= d3, have d1 = " + d1 + ", d2 = " + d2 + ", d3 = " + d3);
}
/**
* ArgumentCheckers that the dates are non-null and ordered/equal.
* @param d1 the first date, not null
* @param d2 the second date, not null
* @param d3 the third date, not null
*/
protected void testDates(final ZonedDateTime d1, final ZonedDateTime d2, final ZonedDateTime d3) {
ArgumentChecker.notNull(d1, "first date");
ArgumentChecker.notNull(d2, "second date");
ArgumentChecker.notNull(d3, "third date");
testDates(d1.toLocalDate(), d2.toLocalDate(), d3.toLocalDate());
}
// -------------------------------------------------------------------------
@Override
public boolean equals(final Object obj) {
if (obj == this) {
return true;
}
if (obj == null) {
return false;
}
return getClass().equals(obj.getClass());
}
@Override
public int hashCode() {
return getClass().hashCode();
}
@Override
public String toString() {
return "DayCount [" + getConventionName() + "]";
}
}