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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.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.osee.framework.core.data.IDatabaseInfo;
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;
import org.eclipse.osee.framework.database.core.DatabaseInfoManager;
import org.eclipse.osee.framework.jdk.core.util.Strings;
/**
* @author Roberto E. Escobar
*/
public class ImportDataFromDbServiceOperation extends AbstractOperation {
private static final File backupDirectory = new File("BackupDirectory");
private final Map<String, SchemaData> userSpecifiedConfig;
private final String tableImportSource;
private final IOseeDatabaseService databaseService;
public ImportDataFromDbServiceOperation(IOseeDatabaseService databaseService, Map<String, SchemaData> userSpecifiedConfig, String tableImportSource) {
super("Import Data from Db Service", Activator.PLUGIN_ID);
this.databaseService = databaseService;
this.userSpecifiedConfig = userSpecifiedConfig;
this.tableImportSource = tableImportSource;
}
@Override
protected void doWork(IProgressMonitor monitor) throws Exception {
Set<String> importConnections = getImportConnections();
for (String importFromDbService : importConnections) {
System.out.println("Import Table Data from Db: " + importFromDbService);
IDatabaseInfo dbInfo = DatabaseInfoManager.getDataStoreById(importFromDbService);
System.out.println("Gathering information from ..." + importFromDbService);
String userName = dbInfo.getDatabaseLoginName();
if (Strings.isValid(userName)) {
Set<String> schemasToGet = new TreeSet<String>();
schemasToGet.add(userName.toUpperCase());
Map<String, Set<String>> dataToImport = getTablesToImport(monitor, userName.toUpperCase(), schemasToGet);
if (dataToImport.size() > 0) {
System.out.println(dataToImport.toString().replaceAll(", ", "\n"));
makeBackupDirectoryIfItDoesntExist();
System.out.println("Backing up Files to: " + backupDirectory.getAbsolutePath());
DatabaseDataExtractor dbDataExtractor =
new DatabaseDataExtractor(databaseService, schemasToGet, backupDirectory);
Set<String> tablesToImport;
if (importFromDbService.equals(determineDefaultConnection())) {
tablesToImport = dataToImport.get(tableImportSource);
} else {
tablesToImport = dataToImport.get(importFromDbService);
}
for (String importTable : tablesToImport) {
dbDataExtractor.addTableNameToExtract(importTable);
}
doSubWork(dbDataExtractor, monitor, 0.10);
dbDataExtractor.waitForWorkerThreads();
prepareFilesForImport();
}
}
}
}
private void prepareFilesForImport() {
Set<String> keys = userSpecifiedConfig.keySet();
if (keys.size() == 1) {
String userName = "";
for (String temp : keys) {
userName = temp;
}
List<File> files = FileUtility.getDBDataFileList(backupDirectory);
for (File fileName : files) {
String filename = fileName.getAbsolutePath().toString();
filename = filename.substring(filename.lastIndexOf(File.separator) + 1, filename.length());
filename = filename.substring(filename.indexOf(".") + 1, filename.length());
fileName.renameTo(new File(backupDirectory + File.separator + userName + "." + filename));
}
}
}
private String determineDefaultConnection() {
String importFromDbService = System.getProperty(tableImportSource);
if (!Strings.isValid(importFromDbService)) {
importFromDbService = "oracle";
}
return importFromDbService;
}
private Set<String> getImportConnections() {
String defaultConnection = determineDefaultConnection();
Set<String> userSchemas = userSpecifiedConfig.keySet();
Set<String> connectionsNeeded = new TreeSet<String>();
for (String key : userSchemas) {
SchemaData schemaDataInUserConfig = userSpecifiedConfig.get(key);
Map<String, Set<String>> tableNamesToImport = schemaDataInUserConfig.getTablesToImport(tableImportSource);
Set<String> keys = tableNamesToImport.keySet();
for (String connectionString : keys) {
if (connectionString.equals(tableImportSource)) {
connectionsNeeded.add(defaultConnection);
} else {
connectionsNeeded.add(connectionString);
}
}
}
return connectionsNeeded;
}
public boolean canRun() {
return true;
}
private Map<String, SchemaData> getAvailableSchemasFromImportDb(IProgressMonitor monitor, Set<String> schemas) throws Exception {
Map<String, SchemaData> schemaMap = new HashMap<String, SchemaData>();
ExtractDatabaseSchemaOperation schemaExtractor =
new ExtractDatabaseSchemaOperation(databaseService, schemas, schemaMap);
doSubWork(schemaExtractor, monitor, 0.20);
return schemaMap;
}
private Map<String, Set<String>> getTablesToImport(IProgressMonitor monitor, String userName, Set<String> schemasToGet) throws Exception {
Map<String, SchemaData> currentDbSchemas = getAvailableSchemasFromImportDb(monitor, schemasToGet);
Set<String> userSchemas = userSpecifiedConfig.keySet();
SchemaData schemaData = currentDbSchemas.get(userName);
Map<String, TableElement> tableMap = schemaData.getTableMap();
Map<String, Set<String>> importTables = new HashMap<String, Set<String>>();
for (String key : userSchemas) {
SchemaData schemaDataInUserConfig = userSpecifiedConfig.get(key);
Map<String, Set<String>> tableNamesToImport = schemaDataInUserConfig.getTablesToImport(tableImportSource);
Set<String> keys = tableNamesToImport.keySet();
for (String importKey : keys) {
Set<String> namesToImport = tableNamesToImport.get(importKey);
for (String tableName : namesToImport) {
tableName = tableName.replaceAll(key + "\\.", userName + ".");
if (tableMap.containsKey(tableName)) {
Set<String> tableSet;
if (importTables.containsKey(importKey)) {
tableSet = importTables.get(importKey);
} else {
tableSet = new TreeSet<String>();
}
tableSet.add(tableName);
importTables.put(importKey, tableSet);
}
}
}
}
return importTables;
}
private void makeBackupDirectoryIfItDoesntExist() {
if (backupDirectory != null && backupDirectory.exists() && backupDirectory.canWrite()) {
return;
} else {
backupDirectory.mkdirs();
}
}
}
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