public static final<E extends TitanElement> Condition<E> transformation(Condition<E> condition, Function<Condition<E>,Condition<E>> transformation) { Condition<E> transformed = transformation.apply(condition); if (transformed!=null) return transformed; //if transformed==null we go a level deeper if (condition.getType()== Condition.Type.LITERAL) { return condition; } else if (condition instanceof Not) { return Not.of(transformation(((Not) condition).getChild(), transformation)); } else if (condition instanceof And) { And<E> newand = new And<E>(condition.numChildren()); for (Condition<E> child : condition.getChildren()) newand.add(transformation(child, transformation)); return newand; } else if (condition instanceof Or) { Or<E> newor = new Or<E>(condition.numChildren()); for (Condition<E> child : condition.getChildren()) newor.add(transformation(child, transformation)); return newor; } else throw new IllegalArgumentException("Unexpected condition type: " + condition); }
assertEquals(2, result.size()); result = tx.query(new IndexQuery(store, Not.of(PredicateCondition.of(TEXT, Text.CONTAINS, "world")))); assertEquals(1, result.size()); assertEquals("doc3", result.get(0)); result = tx.query(new IndexQuery(store, And.of(PredicateCondition.of(TIME, Cmp.EQUAL, -500), Not.of(PredicateCondition.of(TEXT, Text.CONTAINS, "world"))))); assertEquals(1, result.size()); assertEquals("doc3", result.get(0));
public static final<E extends TitanElement> Condition<E> transformation(Condition<E> condition, Function<Condition<E>,Condition<E>> transformation) { Condition<E> transformed = transformation.apply(condition); if (transformed!=null) return transformed; //if transformed==null we go a level deeper if (condition.getType()== Condition.Type.LITERAL) { return condition; } else if (condition instanceof Not) { return Not.of(transformation(((Not) condition).getChild(), transformation)); } else if (condition instanceof And) { And<E> newand = new And<E>(condition.numChildren()); for (Condition<E> child : condition.getChildren()) newand.add(transformation(child, transformation)); return newand; } else if (condition instanceof Or) { Or<E> newor = new Or<E>(condition.numChildren()); for (Condition<E> child : condition.getChildren()) newor.add(transformation(child, transformation)); return newor; } else throw new IllegalArgumentException("Unexpected condition type: " + condition); }
public static final<E extends TitanElement> Condition<E> transformation(Condition<E> condition, Function<Condition<E>,Condition<E>> transformation) { Condition<E> transformed = transformation.apply(condition); if (transformed!=null) return transformed; //if transformed==null we go a level deeper if (condition.getType()== Condition.Type.LITERAL) { return condition; } else if (condition instanceof Not) { return Not.of(transformation(((Not) condition).getChild(), transformation)); } else if (condition instanceof And) { And<E> newand = new And<E>(condition.numChildren()); for (Condition<E> child : condition.getChildren()) newand.add(transformation(child, transformation)); return newand; } else if (condition instanceof Or) { Or<E> newor = new Or<E>(condition.numChildren()); for (Condition<E> child : condition.getChildren()) newor.add(transformation(child, transformation)); return newor; } else throw new IllegalArgumentException("Unexpected condition type: " + condition); }
assertEquals(2, result.size()); result = tx.query(new IndexQuery(store, Not.of(PredicateCondition.of(TEXT, Text.CONTAINS, "world")))); assertEquals(1, result.size()); assertEquals("doc3", result.get(0)); result = tx.query(new IndexQuery(store, And.of(PredicateCondition.of(TIME, Cmp.EQUAL, -500), Not.of(PredicateCondition.of(TEXT, Text.CONTAINS, "world"))))); assertEquals(1, result.size()); assertEquals("doc3", result.get(0));