asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/struct/Identifier.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License 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 org.apache.asterix.lang.common.struct;

import java.util.Objects;

public class Identifier {

    protected final String value;

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

    public final String getValue() {
        return value;
    }

    @Override
    public String toString() {
        return value;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof Identifier)) {
            return false;
        }
        Identifier target = (Identifier) o;
        return Objects.equals(value, target.value);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(value);
    }
}