private <A> Collection<BooleanExpression> exprFilters(
SimpleExpression<A> expr, SimpleExpression<A> other, A knownValue) {
HashSet<BooleanExpression> rv = new HashSet<BooleanExpression>();
rv.add(expr.eq(other));
rv.add(expr.eq(knownValue));
rv.add(expr.ne(other));
rv.add(expr.ne(knownValue));
return ImmutableList.copyOf(rv);
}
@SuppressWarnings("unchecked")
public Collection<Predicate> string(
StringExpression expr, StringExpression other, String knownValue) {
List<Predicate> rv = new ArrayList<Predicate>();
if (expr instanceof Path && other instanceof Path) {
rv.addAll(pathFilters(expr, other, knownValue));
}
rv.addAll(comparable(expr, other, knownValue));
for (SimpleExpression<String> eq : projections.string(expr, other, knownValue)) {
rv.add(eq.eq(other));
}
rv.add(expr.between("A", "Z"));
rv.add(expr.charAt(0).eq(knownValue.charAt(0)));
rv.add(expr.notBetween("A", "Z"));
rv.add(expr.contains(other));
rv.add(expr.contains(knownValue.substring(0, 1)));
rv.add(expr.contains(knownValue.substring(1, 2)));
rv.add(expr.containsIgnoreCase(other));
rv.add(expr.containsIgnoreCase(knownValue.substring(0, 1)));
rv.add(expr.containsIgnoreCase(knownValue.substring(1, 2)));
rv.add(expr.endsWith(other));
rv.add(expr.endsWith(knownValue.substring(1)));
rv.add(expr.endsWith(knownValue.substring(2)));
rv.add(expr.equalsIgnoreCase(other));
rv.add(expr.equalsIgnoreCase(knownValue));
rv.add(expr.in(Arrays.asList(knownValue)));
rv.add(expr.indexOf(other).gt(0));
rv.add(expr.indexOf("X", 1).gt(0));
rv.add(expr.indexOf(knownValue).gt(0));
rv.add(expr.locate(other).gt(1));
if (!target.equals(Target.FIREBIRD)) { // FIXME
rv.add(expr.locate("X", 2).gt(1));
}
rv.add(expr.locate(knownValue).gt(1));
// if (!module.equals(Module.HQL) && !module.equals(Module.JDOQL) &&
// !module.equals(Module.SQL)) {
// rv.add(expr.lastIndexOf(other).gt(0));
// rv.add(expr.lastIndexOf(knownValue).gt(0));
// }
rv.add(expr.in("A", "B", "C"));
rv.add(expr.isEmpty());
rv.add(expr.isNotEmpty());
rv.add(expr.length().gt(0));
rv.add(expr.like(knownValue.substring(0, 1) + "%"));
rv.add(expr.like("%" + knownValue.substring(1)));
rv.add(expr.like("%" + knownValue.substring(1, 2) + "%"));
rv.add(expr.like(knownValue.substring(0, 1) + "%", '!'));
rv.add(expr.like("%" + knownValue.substring(1), '!'));
rv.add(expr.like("%" + knownValue.substring(1, 2) + "%", '!'));
rv.add(expr.notLike(knownValue.substring(0, 1) + "%"));
rv.add(expr.notLike("%" + knownValue.substring(1)));
rv.add(expr.notLike("%" + knownValue.substring(1, 2) + "%"));
if (!target.equals(Target.DERBY)
&& !target.equals(Target.FIREBIRD)
&& !target.equals(Target.HSQLDB)
&& !target.equals(Target.H2)
&& !target.equals(Target.SQLITE)
&& !target.equals(Target.SQLSERVER)) {
rv.add(expr.matches(knownValue.substring(0, 1) + ".*"));
rv.add(expr.matches(".*" + knownValue.substring(1)));
rv.add(expr.matches(".*" + knownValue.substring(1, 2) + ".*"));
}
rv.add(expr.notIn("A", "B", "C"));
rv.add(expr.notBetween("A", "Z"));
rv.add(expr.notBetween(other, other));
if (!target.equals(Target.DERBY) && !module.equals(Module.JDO)) {
// https://issues.apache.org/jira/browse/DERBY-4389
rv.add(new Coalesce<String>(String.class, expr, other).getValue().eq("xxx"));
}
// rv.add(expr.in(IntervalImpl.create("A", "Z")));
return ImmutableList.copyOf(rv);
}
public <A> Collection<Predicate> pathFilters(
SimpleExpression<A> expr, SimpleExpression<A> other, A knownValue) {
return Arrays.<Predicate>asList(expr.isNull(), expr.isNotNull());
}