@Override
public void validate() throws ValidationException {
if (iD.equals(Amount.ZERO)) throw new ValidationException(this, "Invalid iD");
if (oD.equals(Amount.ZERO)) throw new ValidationException(this, "Invalid oD");
if (getLength().equals(Amount.ZERO)) throw new ValidationException(this, "Invalid Length");
if (iD.isGreaterThan(oD)) throw new ValidationException(this, "iD > oD");
}
/**
* Returns a short description of the type of constraint.
*
* @param constraint
* @param includeThat
* @return null if the constraint is invalid
*/
public static String getDescription(BinaryTemporalConstraint constraint, boolean includeThat) {
Amount<Duration> minimum = constraint.getMinimumBminusA();
Amount<Duration> maximum = constraint.getMaximumBminusA();
// construct the string
if (minimum == null && maximum == null) {
return null;
}
String minimumStr =
minimum == null ? null : EnsembleAmountFormat.INSTANCE.formatAmount(minimum.abs());
String maximumStr =
maximum == null ? null : EnsembleAmountFormat.INSTANCE.formatAmount(maximum.abs());
String string = "";
if (minimum == null && maximum != null) {
// any time after
if (maximum.approximates(ZERO)) {
string += "anytime after";
}
// at least after
else if (maximum.isLessThan(ZERO)) {
string += "at least " + maximumStr + " after";
}
// at most before
else { // max > 0
string += "at most " + maximumStr + " before";
}
} else if (maximum == null && minimum != null) {
// anytime before
if (minimum.approximates(ZERO)) {
string += "anytime before";
}
// at most after
else if (minimum.isLessThan(ZERO)) {
string += "at most " + minimumStr + " after";
}
// at least before
else { // min > 0
string += "at least " + minimumStr + " before";
}
}
// at the same time
else if (minimum != null
&& minimum.approximates(ZERO)
&& maximum != null
&& maximum.approximates(ZERO)) {
string += "at the same time";
if (includeThat) {
if (constraint.getPointB().hasEndpoint()) {
string += " that";
} else {
string += " as";
}
}
}
// exactly
else if (minimum != null && minimum.approximates(maximum)) {
string += "exactly ";
string += minimumStr;
if (minimum.isLessThan(ZERO)) {
string += " after";
} else { // min > 0
string += " before";
}
}
// between
else {
string += "between ";
String minAndMaxStr;
if (maximum != null && minimum != null && minimum.abs().isLessThan(maximum.abs())) {
minAndMaxStr = minimumStr + " and " + maximumStr;
} else {
minAndMaxStr = maximumStr + " and " + minimumStr;
}
// after
if (minimum != null
&& maximum != null
&& !minimum.isGreaterThan(ZERO)
&& !maximum.isGreaterThan(ZERO)) { // min <= 0 && max <= 0
string += minAndMaxStr;
string += " after";
}
// before
else if (minimum != null
&& maximum != null
&& !minimum.isLessThan(ZERO)
&& !maximum.isLessThan(ZERO)) { // min >= 0 && max >= 0
string += minAndMaxStr;
string += " before";
}
// before and after
else if (minimum != null
&& minimum.isLessThan(ZERO)
&& maximum != null
&& maximum.isGreaterThan(ZERO)) {
string += maximumStr + " before and " + minimumStr + " after";
} else {
return null;
}
}
return string;
}