org.usergrid.persistence.query.tree.BooleanOperand Maven / Gradle / Ivy

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Core services for Usergrid system.

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/*******************************************************************************
 * Copyright 2012 Apigee Corporation
 * 
 * Licensed 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.usergrid.persistence.query.tree;

import org.antlr.runtime.Token;




/**
 * A base class for any equality expression.  Expressions must have a property and a value.  
 * Examples are >=, >, =, <, <=,
 *  
 * @author tnine
 *
 */
public abstract class BooleanOperand extends Operand {

 
  /**
   * @param property
   * @param literal
   */
  public BooleanOperand(Token t) {
    super(t);
  }
  
 
  public Operand getLeft(){
    return (Operand) this.children.get(0);
  }
  
  public Operand getRight(){
    return (Operand) this.children.get(1);
  }
}