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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.history;
import org.eclipse.swt.graphics.Image;
import org.eclipse.team.core.history.IFileRevision;
public abstract class AbstractHistoryCategory {
/**
* Returns the name of this category.
* @return a string
*/
abstract public String getName();
/**
* Returns the image that will be displayed next to the category name or <code>null</code>
* if no image is required.
* @return an image or <code>null</code>
*/
public Image getImage() {
return null;
}
/**
* Returns whether this category currently has any revisions associated with it.
* @return <code>true</code> if there are any revisions, <code>false</code> otherwise.
*/
abstract public boolean hasRevisions();
/**
* Takes in an array of IFileRevision and collects the revisions that belong to this category.
* The shouldRemove flag indicates whether match file revisions need to be removed from the
* passed in file revision array (in order to increase efficency).
* @param fileRevisions an array of IFileRevisions
* @param shouldRemove <code>true</code> if the method should remove the matching revisions from fileRevisions, <code>false</code> otherwise
* @return <code>true</code> if any revisions match this category, <code>false</code> otherwise
*/
abstract public boolean collectFileRevisions(IFileRevision[] fileRevisions, boolean shouldRemove);
/**
* Returns the file revisions that are currently associated with this category or <code>null</code> if
* there are no file revisions associated with this category.
* @return an array of IFileRevision or <code>null</code>
*/
abstract public IFileRevision[] getRevisions();
}
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