/**
    * Licensed to jclouds, Inc. (jclouds) under one or more
    * contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  jclouds 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 org.jclouds.internal;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  import java.lang.reflect.Method;
  import java.util.Arrays;
  
  import org.jclouds.javax.annotation.Nullable;
  
  /**
   * 
   * @author Adrian Cole
   */
  public class ClassMethodArgs {
     private final Method method;
     private final Object[] args;
     private final Class<?> asyncClass;
  
     public ClassMethodArgs(Class<?> asyncClass, Method method, @Nullable Object[] args) {
        this.asyncClass = checkNotNull(asyncClass, "asyncClass");
        this.method = checkNotNull(method, "method");
        this.args = args;
     }
  
     @Override
     public String toString() {
        return "[class=" + asyncClass.getSimpleName() + ", method=" + method.getName() + ", args="
              + Arrays.toString(args) + "]";
     }
  
     public Method getMethod() {
        return method;
     }
  
     public Object[] getArgs() {
        return args;
     }
  
     @Override
     public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + Arrays.hashCode(args);
        result = prime * result + ((asyncClass == null) ? 0 : asyncClass.hashCode());
        result = prime * result + ((method == null) ? 0 : method.hashCode());
        return result;
     }
  
     @Override
     public boolean equals(Object obj) {
        if (this == obj)
           return true;
        if (obj == null)
           return false;
        if (getClass() != obj.getClass())
           return false;
        ClassMethodArgs other = (ClassMethodArgs) obj;
        if (!Arrays.equals(args, other.args))
           return false;
        if (asyncClass == null) {
           if (other.asyncClass != null)
              return false;
        } else if (!asyncClass.equals(other.asyncClass))
           return false;
        if (method == null) {
           if (other.method != null)
              return false;
        } else if (!method.equals(other.method))
           return false;
        return true;
     }
  
     public Class<?> getAsyncClass() {
        return asyncClass;
     }
  }