package org.jfox.ejb;

import java.lang.reflect.Method;
import javax.ejb.EnterpriseBean;

/**
 * 表示一个远程方法调用
 * @author <a href="mailto:young_yy@hotmail.com">Young Yang</a>
 */

public class InvocationImpl implements Invocation {
  private ObjectId objectId = null;
  private String methodHash = null;
  private Object[] args = null;
  /**
   * method 由 bulk 在服务端设置，不传到客户端
   */
  private transient Method method = null;
  private transient EnterpriseBean bean = null;

  public InvocationImpl(ObjectId objectId, String methodHash, Object[] args) {
    this.objectId = objectId;
    this.methodHash = methodHash;
    this.args = args;
  }

  public ObjectId getObjectId() {
    return objectId;
  }

  public String getMethodHash() {
    return methodHash;
  }

  public Object[] getArgs() {
    return args;
  }

  public Method getMethod() {
    return method;
  }

  public void setMethod(Method method) {
    this.method = method;
  }

  public void setBean(EnterpriseBean instance) {
    bean = instance;
  }

  public EnterpriseBean getBean() {
    return bean;
  }

  public String toString() {
    StringBuffer sb = new StringBuffer();
    sb.append("[");
    sb.append("ObjectId => ").append(objectId.toString()).append(", MethodHash => ").append(methodHash).append(", Args => ");
    sb.append("[");
    if(args !=null) {
      for(int i=0; i<args.length; i++){
        sb.append(args[i].toString());
        if(i != args.length -1) sb.append(",");
      }
    }
    sb.append("]");
    sb.append("]");
    return sb.toString();
  }

}