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/**
 * 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.tajo.algebra;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class IntervalLiteral extends Expr {
  @Expose @SerializedName("LiteralExpr")
  private String exprStr;

  public IntervalLiteral(String str) {
    super(OpType.IntervalLiteral);
    this.exprStr = str;
  }


  public String getExprStr() {
    return exprStr;
  }

  public int hashCode() {
    return exprStr.hashCode();
  }

  @Override
  boolean equalsTo(Expr expr) {
    if (expr instanceof IntervalLiteral) {
      IntervalLiteral another = (IntervalLiteral) expr;
      return exprStr.equals(another.exprStr);
    }
    return false;
  }
}