/*
 * Copyright (C) 2014, United States Government, as represented by the
 * Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 *
 * The Java Pathfinder core (jpf-core) platform is 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 gov.nasa.jpf.vm.bytecode;

import gov.nasa.jpf.vm.ElementInfo;
import gov.nasa.jpf.vm.ThreadInfo;

/**
 * common type for FieldInstructions and ArrayElementInstructions
 */
public interface ReadOrWriteInstruction extends InstructionInterface {

  boolean isRead();
  
  /**
   * where do we read from/write to 
   * 
   * NOTE - this is a StaticElementInfo in case this is a PUT/GETSTATIC
   */
  ElementInfo getElementInfo(ThreadInfo ti);
}