content: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * 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 android.filterfw.core;
  
  /**
   * @hide
   */
  public class ProgramVariable {
  
      private Program mProgram;
      private String mVarName;
  
      public ProgramVariable(Program program, String varName) {
          mProgram = program;
          mVarName = varName;
      }
  
      public Program getProgram() {
          return mProgram;
      }
  
      public String getVariableName() {
          return mVarName;
      }
  
      public void setValue(Object value) {
          if (mProgram == null) {
              throw new RuntimeException("Attempting to set program variable '" + mVarName
                  + "' but the program is null!");
          }
          mProgram.setHostValue(mVarName, value);
      }
  
      public Object getValue() {
          if (mProgram == null) {
              throw new RuntimeException("Attempting to get program variable '" + mVarName
                  + "' but the program is null!");
          }
          return mProgram.getHostValue(mVarName);
      }
  
  }
  