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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.core.datastore.schema.operations;
import java.io.File;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.osee.framework.core.datastore.internal.Activator;
import org.eclipse.osee.framework.core.datastore.schema.data.SchemaData;
import org.eclipse.osee.framework.core.datastore.schema.data.TableElement;
import org.eclipse.osee.framework.core.operation.AbstractOperation;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
public class BackupTableDataOperation extends AbstractOperation {
private final File backupDirectory;
private final Set<String> schemas;
private final Map<String, SchemaData> userSpecifiedConfig;
private final Map<String, SchemaData> currentDatabaseConfig;
private final IOseeDatabaseService databaseService;
public BackupTableDataOperation(IOseeDatabaseService databaseService, String backupDirPath, Set<String> schemas, Map<String, SchemaData> userSpecifiedConfig, Map<String, SchemaData> currentDatabaseConfig) {
super("Backup Table Data", Activator.PLUGIN_ID);
this.databaseService = databaseService;
this.schemas = schemas;
this.userSpecifiedConfig = userSpecifiedConfig;
this.currentDatabaseConfig = currentDatabaseConfig;
this.backupDirectory = new File("BackupDirectory");
}
@Override
protected void doWork(IProgressMonitor monitor) throws Exception {
Set<String> dataToBackup = getTablesToBackup();
if (dataToBackup.size() > 0) {
System.out.println(dataToBackup.toString().replaceAll(", ", "\n"));
clearBackupDirectory();
DatabaseDataExtractor dbDataExtractor = new DatabaseDataExtractor(databaseService, schemas, backupDirectory);
Set<String> backupTables = dataToBackup;
for (String backupTable : backupTables) {
dbDataExtractor.addTableNameToExtract(backupTable);
}
doSubWork(dbDataExtractor, monitor, 0.90);
dbDataExtractor.waitForWorkerThreads();
}
}
private Set<String> getTablesToBackup() {
Set<String> backupTables = new TreeSet<String>();
Set<String> userSchemas = userSpecifiedConfig.keySet();
for (String key : userSchemas) {
// Backup data only if data exists in the current database
if (currentDatabaseConfig.containsKey(key)) {
SchemaData schemaDataInDb = currentDatabaseConfig.get(key);
Map<String, TableElement> currentDbTableMap = schemaDataInDb.getTableMap();
Set<String> currentDbTableNames = currentDbTableMap.keySet();
SchemaData schemaData = userSpecifiedConfig.get(key);
Set<String> tableNamesToBackup = schemaData.getTablesToBackup();
for (String tableName : tableNamesToBackup) {
// Check that table we want to backup exists in the database
// before we add it to the list
if (currentDbTableNames.contains(tableName)) {
backupTables.add(tableName);
} else {
System.out.println("Table doesn't exist in Db. Unable to backup [" + tableName + "]");
}
}
} else {
System.out.println("Schema doesn't exist in Db. Unable to backup tables from schema [" + key + "]");
}
}
return backupTables;
}
private void clearBackupDirectory() {
if (backupDirectory != null && backupDirectory.exists() && backupDirectory.canWrite()) {
File[] fileList = backupDirectory.listFiles();
for (File fileToDelete : fileList) {
fileToDelete.delete();
}
backupDirectory.delete();
backupDirectory.mkdirs();
}
}
}
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