activationinstantiator.java

来自「linux下建立JAVA虚拟机的源码KAFFE」· Java 代码 · 共 74 行

/* ActivationInstantiator.java --
   Copyright (c) 1996, 1997, 1998, 1999, 2004  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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02110-1301 USA.

Linking this library statically or dynamically with other modules is
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
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package java.rmi.activation;

import java.rmi.MarshalledObject;
import java.rmi.Remote;
import java.rmi.RemoteException;

/**
 * The implementation of this interface creates (instantiates) the new remote
 * objects in response to the activation request. The instantiator is returned
 * by the {@link ActivationGroup} that calls 
 * {@link ActivationSystem#activeGroup(ActivationGroupID, ActivationInstantiator, long)}.
 */
public interface ActivationInstantiator
  extends Remote
{
  /**
   * Creates and instantiate a new remote object. This method performs the
   * following tasks:
   * <ul>
   * <li>Finds and loads (if not already loaded) the class of the object being
   * instantiated</li>
   * <li>Creates an instance of the object using its special two parameter
   * activation constructor, the first parameter being the {@link ActivationID}
   * and the second the {@link MarshalledObject}.</li>
   * 
   * @param id the id of the object being instantiated
   * @param desc the activation descriptor being instantiated
   * @return the MarshalledObject, containing the stub to the newly created
   *         object.
   * @throws ActivationException if the activation fails
   * @throws RemoteException if the remote call fails
   */
  MarshalledObject newInstance (ActivationID id, ActivationDesc desc)
    throws ActivationException, RemoteException;
}