DefaultAsyncResult.java

/*
 * Copyright 2011 the original author or authors.
 *
 * 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 io.vertx.ext.amqp.impl;

import io.vertx.core.AsyncResult;

public class DefaultAsyncResult<T> implements AsyncResult<T> {
  private T _result;

  private boolean _success;

  private Throwable _th;

  public static DefaultAsyncResult<Void> VOID_SUCCESS = new DefaultAsyncResult<Void>(null, true, null);

  DefaultAsyncResult(T result) {
    this(result, true, null);
  }

  DefaultAsyncResult(Throwable th) {
    this(null, false, th);
  }

  /*
   * error could be an int code or a string msg, depending on the type of T.
   */
  DefaultAsyncResult(T error, Throwable th) {
    this(error, false, th);
  }

  DefaultAsyncResult(T result, boolean success, Throwable th) {
    _result = result;
    _success = success;
    _th = th;
  }

  @Override
  public Throwable cause() {
    return _th;
  }

  @Override
  public boolean failed() {
    return !_success;
  }

  @Override
  public T result() {
    return _result;
  }

  @Override
  public boolean succeeded() {
    return _success;
  }
}