/** * Create a new Operation expression * * @param operator operator * @param args operation arguments * @return operation expression */ public static PredicateOperation predicate(Operator<Boolean> operator, ImmutableList<Expression<?>> args) { return new PredicateOperation(operator, args); }
protected BooleanOperation(Operator<? super Boolean> op, ImmutableList<Expression<?>> args) { super(new PredicateOperation((Operator)op, args)); opMixin = (PredicateOperation)mixin; }
public static PredicateOperation create(Operator<Boolean> operator, Expression<?> one) { return new PredicateOperation(operator, ImmutableList.<Expression<?>>of(one)); }
public static PredicateOperation create(Operator<Boolean> operator, Expression<?> one, Expression<?> two) { return new PredicateOperation(operator, ImmutableList.of(one, two)); }
/** * Create a new Operation expression * * @param type type of expression * @param operator operator * @param args operation arguments * @return operation expression */ @SuppressWarnings("unchecked") public static <T> Operation<T> operation(Class<? extends T> type, Operator<T> operator, ImmutableList<Expression<?>> args) { if (type.equals(Boolean.class)) { return (Operation<T>) new PredicateOperation((Operator<Boolean>) operator, args); } else { return new OperationImpl<T>(type, operator, args); } }
@Override public Expression<?> visit(Operation<?> expr, @Nullable Void context) { ImmutableList<Expression<?>> args = visit(expr.getArgs()); if (args.equals(expr.getArgs())) { return expr; } else if (expr instanceof Predicate) { return new PredicateOperation((Operator)expr.getOperator(), args); } else { return new OperationImpl(expr.getType(), expr.getOperator(), args); } }
@SuppressWarnings("unchecked") @Override public Expression<?> visit(Operation<?> expr, Context context) { final Expression<?>[] args = new Expression<?>[expr.getArgs().size()]; for (int i = 0; i < args.length; i++) { Context c = new Context(); args[i] = expr.getArg(i).accept(this, c); context.add(c); } if (context.replace) { if (expr.getType().equals(Boolean.class)) { Predicate predicate = new PredicateOperation((Operator)expr.getOperator(), ImmutableList.copyOf(args)); return !context.paths.isEmpty() ? exists(context, predicate) : predicate; } else { return new OperationImpl(expr.getType(), expr.getOperator(), ImmutableList.copyOf(args)); } } else { return expr; } }
@SuppressWarnings("rawtypes") @Override public Expression<?> visit(Operation<?> expr, Context context) { Expression<?>[] args = new Expression<?>[expr.getArgs().size()]; for (int i = 0; i < args.length; i++) { Context c = new Context(); args[i] = expr.getArg(i).accept(this, c); context.add(c); } if (context.replace) { if (expr.getType().equals(Boolean.class)) { Predicate predicate = new PredicateOperation((Operator<Boolean>)expr.getOperator(), ImmutableList.copyOf(args)); return !context.paths.isEmpty() ? exists(context, predicate) : predicate; } else { return new OperationImpl(expr.getType(), expr.getOperator(), ImmutableList.copyOf(args)); } } else { return expr; } }
return new PredicateOperation((Operator) expr.getOperator(), ImmutableList.copyOf(args)); } else { return new OperationImpl(expr.getType(), expr.getOperator(), ImmutableList.copyOf(args));