/*******************************************************************************
* Copyright (c) 2012-2015 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java.jdt.text;
/**
* A position updater is responsible for adapting document positions. When installed on a document, the position updater updates
* the document's positions to changes applied to this document. Document updaters can be selective, i.e. they might only update
* positions of a certain category.
* <p>
* Position updaters are of primary importance for the definition of the semantics of positions.
* <p>
* Clients may implement this interface or use the standard implementation {@link DefaultPositionUpdater}.
* </p>
*/
public interface PositionUpdater {
/**
* Adapts positions to the change specified by the document event. It is ensured that the document's partitioning has been
* adapted to this document change and that all the position updaters which have a smaller index in the document's position
* updater list have been called.
*
* @param event
* the document event describing the document change
*/
void update(DocumentEvent event);
}