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///////////////////////////////////////////////////////////////////////////////
//                                                                             
// JTOpen (IBM Toolbox for Java - OSS version)                              
//                                                                             
// Filename: PxDSRV.java
//                                                                             
// The source code contained herein is licensed under the IBM Public License   
// Version 1.0, which has been approved by the Open Source Initiative.         
// Copyright (C) 1997-2000 International Business Machines Corporation and     
// others. All rights reserved.                                                
//                                                                             
///////////////////////////////////////////////////////////////////////////////

package com.ibm.as400.access;

import java.io.InputStream;
import java.io.IOException;



/**
The PxDSRV interface represents the set of
methods that are needed by the reader of a datastream.
**/
interface PxDSRV 
extends Cloneable
{



/**
Returns a new copy of this datastream.

@return A new copy of this datastream.

@exception CloneNotSupportedException   If the object cannot be cloned.
**/
    public abstract Object clone ()
        throws CloneNotSupportedException;



/**
Returns the datastream type.

@return The datastream type.
**/
    public abstract short getType ();



/**
Loads this datastream by reading from an input stream.

@param input    The input stream.
@param factory  The datastream factory.  This is sometimes
                needed when datastreams are nested.

@exception IOException  If an error occurs.                
**/
    public abstract void readFrom (InputStream input, PxDSFactory factory)
        throws IOException;


}