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// $Id$
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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 java.sql.SQLException;
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import java.util.HashMap;
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import java.util.Map;
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import eu.etaxonomy.cdm.database.ICdmDataSource;
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import eu.etaxonomy.cdm.model.metadata.CdmMetaData;
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import eu.etaxonomy.cdm.model.metadata.CdmMetaData.MetaDataPropertyName;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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* <p>CdmMetaDataAwareDataSourceContainer class.</p>
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*
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* @author n.hoffmann
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* @created Sep 22, 2010
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* @version 1.0
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*/
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public class CdmMetaDataAwareDataSourceContainer {
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/** Constant <code>DEFAULT_ENTRY="-"</code> */
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public static final String DEFAULT_ENTRY = "-";
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private ICdmDataSource dataSource;
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private boolean running;
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private Map<MetaDataPropertyName, String> metaDataMap;
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/**
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* <p>Constructor for CdmMetaDataAwareDataSourceContainer.</p>
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*
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* @param dataSource a {@link eu.etaxonomy.cdm.database.ICdmDataSource} object.
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* @param view a {@link eu.etaxonomy.taxeditor.view.datasource.CdmDataSourceViewPart} object.
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*/
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public CdmMetaDataAwareDataSourceContainer(ICdmDataSource dataSource){
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this.dataSource = dataSource;
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metaDataMap = getDefaultMetaDataMap();
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}
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/**
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* <p>Getter for the field <code>dataSource</code>.</p>
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*
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* @return the dataSource
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*/
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public ICdmDataSource getDataSource() {
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return dataSource;
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}
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public void getMetaDataFromDataSource(){
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try {
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running = dataSource.testConnection();
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} catch (Exception e) {
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running = false;
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for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
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metaDataMap.put(metaDataPropertyName, DEFAULT_ENTRY);
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}
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}
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try {
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if(isRunning()){
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try {
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for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
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Object result = dataSource.getSingleValue(metaDataPropertyName.getSqlQuery());
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if(result != null){
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metaDataMap.put(metaDataPropertyName, (String) result);
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}
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}
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dataSource.closeOpenConnections();
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} catch (SQLException e) {
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StoreUtil.warn(this.getClass(), "SQLException when trying to access: " + dataSource.getName() + ". " + e.getMessage());
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}
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}
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} catch (Exception e) {
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StoreUtil.error(this.getClass(), e);
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}
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}
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private Map<MetaDataPropertyName, String> getDefaultMetaDataMap(){
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Map<MetaDataPropertyName, String> resultMap = new HashMap<MetaDataPropertyName, String>(MetaDataPropertyName.values().length);
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for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
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resultMap.put(metaDataPropertyName, null);
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}
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return resultMap;
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}
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/**
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* <p>Getter for the field <code>metaDataMap</code>.</p>
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*
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* @return the metaDataMap
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*/
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public Map<MetaDataPropertyName, String> getMetaDataMap() {
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return metaDataMap;
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}
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/**
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* <p>isDataSourceCompatible</p>
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*
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* @return a boolean.
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*/
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public boolean isDataSourceCompatible(){
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String version = metaDataMap.get(MetaDataPropertyName.DB_SCHEMA_VERSION);
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return version == null || version.equals(DEFAULT_ENTRY) ? false : CdmMetaData.isDbSchemaVersionCompatible(version);
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}
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/**
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* <p>getMetaData</p>
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*
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* @param metaDataPropertyName a {@link eu.etaxonomy.cdm.model.common.CdmMetaData.MetaDataPropertyName} object.
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* @return a {@link java.lang.String} object.
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*/
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public String getMetaData(MetaDataPropertyName metaDataPropertyName){
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String property = metaDataMap.get(metaDataPropertyName);
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return property != null ? property : DEFAULT_ENTRY;
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}
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/**
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* <p>isRunning</p>
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*
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* @return the running
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*/
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public boolean isRunning() {
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return running;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#toString()
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*/
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/** {@inheritDoc} */
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@Override
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public String toString() {
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return dataSource.getName();
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}
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}
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