software.amazon.awssdk.services.autoscaling.endpoints.internal.Not Maven / Gradle / Ivy

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The AWS Java SDK for Auto Scaling module holds the client classes that are used for communicating with Auto Scaling Service

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
 * the License. A copy of the License is located at
 * 
 * http://aws.amazon.com/apache2.0
 * 
 * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
 * and limitations under the License.
 */

package software.amazon.awssdk.services.autoscaling.endpoints.internal;

import software.amazon.awssdk.annotations.SdkInternalApi;

@SdkInternalApi
public class Not extends SingleArgFn {

    public static final String ID = "not";

    public Not(FnNode fnNode) {
        super(fnNode);
    }

    public static Not ofExpr(Expr expr) {
        return new Not(FnNode.ofExprs(ID, expr));
    }

    @Override
    public  T acceptFnVisitor(FnVisitor visitor) {
        return visitor.visitNot(this);
    }

    public static Not ofExprs(Expr expr) {
        return new Not(FnNode.ofExprs(ID, expr));
    }

    @Override
    protected Value evalArg(Value arg) {
        return Value.fromBool(!arg.expectBool());
    }

    public Expr target() {
        return expectOneArg();
    }
}