/*
    * Copyright 2013 The Netty Project
    *
    * The Netty Project 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 io.netty.util.concurrent;
  
  public class DefaultProgressivePromise<V> extends DefaultPromise<V> implements ProgressivePromise<V> {
  
      /**
       * Creates a new instance.
       *
       * It is preferable to use {@link EventExecutor#newProgressivePromise()} to create a new progressive promise
       *
       * @param executor
       *        the {@link EventExecutor} which is used to notify the promise when it progresses or it is complete
       */
      public DefaultProgressivePromise(EventExecutor executor) {
          super(executor);
      }
  
      protected DefaultProgressivePromise() { /* only for subclasses */ }
  
      @Override
      public ProgressivePromise<V> setProgress(long progress, long total) {
          if (total < 0) {
              // total unknown
              total = -1; // normalize
              if (progress < 0) {
                  throw new IllegalArgumentException("progress: " + progress + " (expected: >= 0)");
              }
          } else if (progress < 0 || progress > total) {
              throw new IllegalArgumentException(
                      "progress: " + progress + " (expected: 0 <= progress <= total (" + total + "))");
          }
  
          if (isDone()) {
              throw new IllegalStateException("complete already");
          }
  
          notifyProgressiveListeners(progress, total);
          return this;
      }
  
      @Override
      public boolean tryProgress(long progress, long total) {
          if (total < 0) {
              total = -1;
              if (progress < 0 || isDone()) {
                  return false;
              }
          } else if (progress < 0 || progress > total || isDone()) {
              return false;
          }
  
          notifyProgressiveListeners(progress, total);
          return true;
      }
  
      @Override
      public ProgressivePromise<V> addListener(GenericFutureListener<? extends Future<? super V>> listener) {
          super.addListener(listener);
          return this;
      }
  
      @Override
      public ProgressivePromise<V> addListeners(GenericFutureListener<? extends Future<? super V>>... listeners) {
          super.addListeners(listeners);
          return this;
      }
  
      @Override
      public ProgressivePromise<V> removeListener(GenericFutureListener<? extends Future<? super V>> listener) {
          super.removeListener(listener);
          return this;
      }
  
      @Override
      public ProgressivePromise<V> removeListeners(GenericFutureListener<? extends Future<? super V>>... listeners) {
          super.removeListeners(listeners);
          return this;
      }
  
      @Override
      public ProgressivePromise<V> sync() throws InterruptedException {
          super.sync();
          return this;
      }
 
     @Override
     public ProgressivePromise<V> syncUninterruptibly() {
         super.syncUninterruptibly();
         return this;
     }
 
     @Override
     public ProgressivePromise<V> await() throws InterruptedException {
         super.await();
         return this;
     }
 
     @Override
     public ProgressivePromise<V> awaitUninterruptibly() {
         super.awaitUninterruptibly();
         return this;
     }
 
     @Override
     public ProgressivePromise<V> setSuccess(V result) {
         super.setSuccess(result);
         return this;
     }
 
     @Override
     public ProgressivePromise<V> setFailure(Throwable cause) {
         super.setFailure(cause);
         return this;
     }
 }