software.amazon.awssdk.services.redshift.endpoints.internal.Identifier Maven / Gradle / Ivy

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The AWS Java SDK for Amazon Redshift module holds the client classes that are used for communicating with Amazon Redshift 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.redshift.endpoints.internal;

import software.amazon.awssdk.annotations.SdkInternalApi;

/**
 * Identifiers for variables declared within the rule engine, e.g. from an {@code assign} statement.
 */
@SdkInternalApi
public final class Identifier {
    private String name;

    public Identifier(String name) {
        this.name = name;
    }

    public static Identifier fromString(String name) {
        return new Identifier(name);
    }

    public static Identifier of(String name) {
        return new Identifier(name);
    }

    public String asString() {
        return name;
    }

    public String toString() {
        return name;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        Identifier that = (Identifier) o;

        return name != null ? name.equals(that.name) : that.name == null;
    }

    @Override
    public int hashCode() {
        return name != null ? name.hashCode() : 0;
    }
}