software.amazon.awssdk.services.emr.endpoints.internal.SingleArgFn Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of emr Show documentation

The AWS Java SDK for Amazon EMR module holds the client classes that are used for communicating with Amazon Elastic MapReduce Service

There is a newer version: 2.28.3

Show newest version

/*
 * 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.emr.endpoints.internal;

import software.amazon.awssdk.annotations.SdkInternalApi;

@SdkInternalApi
public abstract class SingleArgFn extends Fn {

    public SingleArgFn(FnNode fnNode) {
        super(fnNode);
    }

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

    @Override
    public Value eval(Scope scope) {
        return evalArg(expectOneArg().eval(scope));
    }

    protected abstract Value evalArg(Value arg);
}