software.amazon.awssdk.services.kafka.endpoints.internal.ExprVisitor Maven / Gradle / Ivy

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The AWS Java SDK for Kafka module holds the client classes that are used for communicating with Kafka.

There is a newer version: 2.29.15

/*
 * 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.kafka.endpoints.internal;

import software.amazon.awssdk.annotations.SdkInternalApi;

@SdkInternalApi
public interface ExprVisitor {

    R visitLiteral(Literal literal);

    R visitRef(Ref ref);

    R visitFn(Fn fn);

    abstract class Default implements ExprVisitor {

        public abstract R getDefault();

        @Override
        public R visitLiteral(Literal literal) {
            return getDefault();
        }

        @Override
        public R visitRef(Ref ref) {
            return getDefault();
        }

        @Override
        public R visitFn(Fn fn) {
            return getDefault();
        }
    }
}