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// **********************************************************************
//
// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package Ice;
/**
* An AsyncResult object is the return value of an asynchronous invocation.
* With this object, an application can obtain several attributes of the
* invocation and discover its outcome.
**/
public interface AsyncResult
{
/**
* Returns the communicator that sent the invocation.
*
* @return The communicator.
**/
public Communicator getCommunicator();
/**
* Returns the connection that was used for the invocation.
*
* @return The connection.
**/
public Connection getConnection();
/**
* Returns the proxy that was used to call the <code>begin_</code> method.
*
* @return The proxy.
**/
public ObjectPrx getProxy();
/**
* Indicates whether the result of an invocation is available.
*
* @return True if the result is available, which means a call to the <code>end_</code>
* method will not block. The method returns false if the result is not yet available.
**/
public boolean isCompleted();
/**
* Blocks the caller until the result of the invocation is available.
**/
public void waitForCompleted();
/**
* When you call the <code>begin_</code> method, the Ice run time attempts to
* write the corresponding request to the client-side transport. If the
* transport cannot accept the request, the Ice run time queues the request
* for later transmission. This method returns true if, at the time it is called,
* the request has been written to the local transport (whether it was initially
* queued or not). Otherwise, if the request is still queued, this method returns
* false.
*
* @return True if the request has been sent, or false if the request is queued.
**/
public boolean isSent();
/**
* Blocks the caller until the request has been written to the client-side transport.
**/
public void waitForSent();
/**
* If the invocation failed with a local exception, throws the local exception.
**/
public void throwLocalException();
/**
* This method returns true if a request was written to the client-side
* transport without first being queued. If the request was initially
* queued, this method returns false (independent of whether the request
* is still in the queue or has since been written to the client-side transport).
*
* @return True if the request was sent without being queued, or false
* otherwise.
**/
public boolean sentSynchronously();
/**
* Returns the name of the operation.
*
* @return The operation name.
**/
public String getOperation();
}
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