001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.util.comparator;
016    
017    import com.liferay.portal.model.Portlet;
018    import com.liferay.portal.util.PortletKeys;
019    
020    import java.io.Serializable;
021    
022    import java.util.Comparator;
023    
024    /**
025     * @author Brian Wing Shun Chan
026     */
027    public class PortletLuceneComparator
028            implements Comparator<Portlet>, Serializable {
029    
030            @Override
031            public int compare(Portlet portlet1, Portlet portlet2) {
032                    String portletId1 = portlet1.getPortletId();
033                    String portletId2 = portlet2.getPortletId();
034    
035                    // Index document library last because it's usually the slowest.
036    
037                    if (portletId1.equals(PortletKeys.DOCUMENT_LIBRARY)) {
038                            return 1;
039                    }
040                    else if (portletId2.equals(PortletKeys.DOCUMENT_LIBRARY)) {
041                            return -1;
042                    }
043                    else {
044                            return portletId1.compareTo(portletId2);
045                    }
046            }
047    
048    }