/*******************************************************************************
 * Copyright (c) 2000, 2006 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 com.nokia.carbide.search.system.ui.text;

/**
 * A match filter is used to evaluate the filter state of a match ({@link Match#isFiltered()}. Filters are
 * managed by the ({@link AbstractTextSearchResult}.
 *
 * @since 3.3
 */
public abstract class MatchFilter {
	
    /**
     * Returns whether the given match is filtered by this filter.
     *
     * @param match the match to look at
     * @return returns <code>true</code> if the given match should be filtered or <code>false</code> if not.
     */
	public abstract boolean filters(Match match);
	
    /**
     * Returns the name of the filter as shown in the match filter selection dialog.
     *
     * @return the name of the filter as shown in the match filter selection dialog.
     */
	public abstract String getName();
	
    /**
     * Returns the description of the filter as shown in the match filter selection dialog.
     *
     * @return the description of the filter as shown in the match filter selection dialog.
     */
	public abstract String getDescription();
	
	/**
     * Returns the label of the filter as shown by the filter action.
     *
     * @return the label of the filter as shown by the filter action.
     */
	public abstract String getActionLabel();

	/**
     * Returns an ID of this filter. 
     *
     * @return the id of the filter to be used when persisting this filter.
     */
	public abstract String getID();
	
}
