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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.view.datasource;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.jface.viewers.ViewerComparator;
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import eu.etaxonomy.cdm.config.ICdmSource;
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import eu.etaxonomy.cdm.database.ICdmDataSource;
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import eu.etaxonomy.cdm.model.metadata.CdmMetaDataPropertyName;
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/**
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* @author n.hoffmann
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* @created Dec 8, 2010
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*/
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public class CdmDataSourceViewerComparator extends ViewerComparator {
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private int propertyIndex;
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private static final int DESCENDING = 1;
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private int direction = DESCENDING;
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public CdmDataSourceViewerComparator() {
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this.propertyIndex = 1;
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direction = DESCENDING;
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}
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public void setColumn(int column) {
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if (column == this.propertyIndex) {
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// Same column as last sort; toggle the direction
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direction = 1 - direction;
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} else {
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// New column; do an ascending sort
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this.propertyIndex = column;
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direction = DESCENDING;
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}
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}
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@Override
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public int compare(Viewer viewer, Object e1, Object e2) {
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CdmMetaDataAwareDataSourceContainer d1 = (CdmMetaDataAwareDataSourceContainer) e1;
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CdmMetaDataAwareDataSourceContainer d2 = (CdmMetaDataAwareDataSourceContainer) e2;
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ICdmSource cs1 = d1.getCdmSource();
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ICdmSource cs2 = d2.getCdmSource();
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int result = 0;
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switch (propertyIndex) {
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case 9:
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result = d1.getMetaData(CdmMetaDataPropertyName.DB_CREATE_NOTE).compareTo(d2.getMetaData(CdmMetaDataPropertyName.DB_CREATE_NOTE));
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break;
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case 8:
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// is compatible
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boolean c1 = d1.isDataSourceCompatible();
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boolean c2 = d2.isDataSourceCompatible();
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if (c1 == c2){
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result = 0;
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}else if (c1 == true){
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result = -1;
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}else{
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result = 1;
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}
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break;
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case 7:
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result = d1.getMetaData(CdmMetaDataPropertyName.DB_SCHEMA_VERSION).compareTo(d2.getMetaData(CdmMetaDataPropertyName.DB_SCHEMA_VERSION));
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break;
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case 6:
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result = d1.getMetaData(CdmMetaDataPropertyName.DB_CREATE_DATE).compareTo(d2.getMetaData(CdmMetaDataPropertyName.DB_CREATE_DATE));
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break;
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case 5:
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if(cs1 instanceof ICdmDataSource && cs2 instanceof ICdmDataSource) {
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result = ((ICdmDataSource)cs1).getDatabase().compareTo(((ICdmDataSource)cs2).getDatabase());
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}
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break;
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case 4:
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if(cs1 instanceof ICdmDataSource && cs2 instanceof ICdmDataSource) {
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result = ((ICdmDataSource)cs1).getDatabaseType().getName().compareTo(((ICdmDataSource)cs2).getDatabaseType().getName());
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}
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break;
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case 3:
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// is running
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boolean r1 = d1.isRunning();
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boolean r2 = d2.isRunning();
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if (r1 == r2){
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result = 0;
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}else if (r1 == true){
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result = -1;
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}else{
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result = 1;
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}
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break;
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case 2:
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String server1 = d1.getCdmSource().getServer();
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String server2 = d2.getCdmSource().getServer();
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// h2 databases do not have server entries
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server1 = server1 == null? "local" : server1;
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server2 = server2 == null? "local" : server2;
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result = server1.compareTo(server2);
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break;
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default:
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result = d1.getCdmSource().getName().compareTo(d2.getCdmSource().getName());
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}
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// If descending order, flip the direction
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if (direction == DESCENDING) {
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result = -result;
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}
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return result;
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}
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}
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