| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.watson; |
| |
| import java.io.*; |
| import org.eclipse.core.runtime.IPath; |
| |
| /** |
| * The <code>IElementInfoFlattener</code> interface supports |
| * reading and writing element info objects. |
| */ |
| public interface IElementInfoFlattener { |
| /** |
| * Reads an element info from the given input stream. |
| * @param elementPath the path of the element to be read |
| * @param input the stream from which the element info should be read. |
| * @return the object associated with the given elementPath, |
| * which may be <code>null</code>. |
| */ |
| public Object readElement(IPath elementPath, DataInput input) throws IOException; |
| |
| /** |
| * Writes the given element to the output stream. |
| * <p> N.B. The bytes written must be sufficient for the |
| * purposes of reading the object back in. |
| * @param elementPath the element's path in the tree |
| * @param element the object associated with the given path, |
| * which may be <code>null</code>. |
| */ |
| public void writeElement(IPath elementPath, Object element, DataOutput output) throws IOException; |
| } |