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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 
     18 package android.filterfw.core;
     19 
     20 import java.lang.reflect.Field;
     21 
     22 /**
     23  * @hide
     24  */
     25 public class FinalPort extends FieldPort {
     26 
     27     public FinalPort(Filter filter, String name, Field field, boolean hasDefault) {
     28         super(filter, name, field, hasDefault);
     29     }
     30 
     31     @Override
     32     protected synchronized void setFieldFrame(Frame frame, boolean isAssignment) {
     33         assertPortIsOpen();
     34         checkFrameType(frame, isAssignment);
     35         if (mFilter.getStatus() != Filter.STATUS_PREINIT) {
     36             throw new RuntimeException("Attempting to modify " + this + "!");
     37         } else {
     38             super.setFieldFrame(frame, isAssignment);
     39             super.transfer(null);
     40         }
     41     }
     42 
     43     @Override
     44     public String toString() {
     45         return "final " + super.toString();
     46     }
     47 
     48 }
     49