protected Query eq(Operation<?> operation, QueryMetadata metadata, boolean ignoreCase) {
verifyArguments(operation);
Path<?> path = getPath(operation.getArg(0));
String field = toField(path);
if (Number.class.isAssignableFrom(operation.getArg(1).getType())) {
@SuppressWarnings("unchecked") // guarded by previous check
Constant<? extends Number> rightArg = (Constant<? extends Number>) operation.getArg(1);
return new TermQuery(new Term(field, convertNumber(rightArg.getConstant())));
}
return eq(field, convert(path, operation.getArg(1), metadata), ignoreCase);
}
protected Query range(
Path<?> leftHandSide,
String field,
@Nullable Expression<?> min,
@Nullable Expression<?> max,
boolean minInc,
boolean maxInc,
QueryMetadata metadata) {
if (min != null && Number.class.isAssignableFrom(min.getType())
|| max != null && Number.class.isAssignableFrom(max.getType())) {
@SuppressWarnings("unchecked") // guarded by previous check
Constant<? extends Number> minConstant = (Constant<? extends Number>) min;
@SuppressWarnings("unchecked") // guarded by previous check
Constant<? extends Number> maxConstant = (Constant<? extends Number>) max;
Class<? extends Number> numType =
minConstant != null ? minConstant.getType() : maxConstant.getType();
// this is not necessarily safe, but compile time checking
// on the user side mandates these types to be interchangeable
@SuppressWarnings("unchecked")
Class<Number> unboundedNumType = (Class<Number>) numType;
return numericRange(
unboundedNumType,
field,
minConstant == null ? null : minConstant.getConstant(),
maxConstant == null ? null : maxConstant.getConstant(),
minInc,
maxInc);
}
return stringRange(leftHandSide, field, min, max, minInc, maxInc, metadata);
}