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Implemented backup operations

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This commit is contained in:
Rsl1122 2018-05-25 11:16:03 +03:00
parent 751e0e6cb4
commit 4a2f18d9ee
3 changed files with 25 additions and 34 deletions
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6
Plan/src/main/java/com/djrapitops/plan/system/database/databases/operation/BackupOperations.java
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@ -3,10 +3,12 @@ package com.djrapitops.plan.system.database.databases.operation;
import com.djrapitops.plan.api.exceptions.database.DBException;
import com.djrapitops.plan.system.database.databases.Database;
import java.sql.SQLException;
public interface BackupOperations {
void backup(Database toDatabase) throws DBException;
void backup(Database toDatabase) throws DBException, SQLException;
void restore(Database fromDatabase) throws DBException;
void restore(Database fromDatabase) throws DBException, SQLException;
}

16
Plan/src/main/java/com/djrapitops/plan/system/database/databases/sql/operation/SQLBackupOps.java
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@ -1,8 +1,12 @@
package com.djrapitops.plan.system.database.databases.sql.operation;
import com.djrapitops.plan.api.exceptions.database.DBException;
import com.djrapitops.plan.system.database.databases.Database;
import com.djrapitops.plan.system.database.databases.operation.BackupOperations;
import com.djrapitops.plan.system.database.databases.sql.SQLDB;
import com.djrapitops.plan.system.database.databases.sql.tables.move.BatchOperationTable;
import java.sql.SQLException;
public class SQLBackupOps extends SQLOps implements BackupOperations {
@ -11,12 +15,16 @@ public class SQLBackupOps extends SQLOps implements BackupOperations {
}
@Override
public void backup(Database toDatabase) {
// TODO
public void backup(Database toDatabase) throws SQLException {
BatchOperationTable toDB = new BatchOperationTable((SQLDB) toDatabase);
BatchOperationTable fromDB = new BatchOperationTable(db);
toDB.removeAllData();
fromDB.copyEverything(toDB);
}
@Override
public void restore(Database fromDatabase) {
// TODO
public void restore(Database fromDatabase) throws DBException, SQLException {
fromDatabase.backup().backup(db);
}
}

37
Plan/src/main/java/com/djrapitops/plan/utilities/ManageUtils.java
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@ -1,15 +1,14 @@
package com.djrapitops.plan.utilities;
import com.djrapitops.plan.api.exceptions.database.DBException;
import com.djrapitops.plan.api.exceptions.database.DBInitException;
import com.djrapitops.plan.system.database.databases.Database;
import com.djrapitops.plan.system.database.databases.sql.SQLDB;
import com.djrapitops.plan.system.database.databases.sql.SQLiteDB;
import com.djrapitops.plan.system.database.databases.sql.tables.move.BatchOperationTable;
import com.djrapitops.plugin.api.utility.log.Log;
import java.sql.SQLException;
import java.util.*;
import java.util.Collection;
import java.util.Date;
import java.util.UUID;
/**
* @author Rsl1122
@ -29,18 +28,20 @@ public class ManageUtils {
* @param dbName Name of database (mysql/sqlite)
* @param copyFromDB Database you want to backup.
*/
public static void backup(String dbName, Database copyFromDB) throws DBInitException, SQLException {
public static void backup(String dbName, Database copyFromDB) throws SQLException {
SQLiteDB backupDB = null;
try {
String timeStamp = new Date().toString().substring(4, 10).replace(" ", "-");
String fileName = dbName + "-backup-" + timeStamp;
backupDB = new SQLiteDB(fileName);
Collection<UUID> uuids = ManageUtils.getUUIDS(copyFromDB);
Collection<UUID> uuids = copyFromDB.fetch().getSavedUUIDs();
if (uuids.isEmpty()) {
return;
}
backupDB.init();
clearAndCopy(backupDB, copyFromDB);
} catch (DBException e) {
Log.toLog(ManageUtils.class, e);
} finally {
if (backupDB != null) {
backupDB.close();
@ -48,22 +49,6 @@ public class ManageUtils {
}
}
/**
* Get the saved UUIDs in a hashset
*
* @param db Database to get UUIDs from
* @return uuids hashset as a Collection.
*/
public static Collection<UUID> getUUIDS(Database db) {
final Set<UUID> uuids = new HashSet<>();
try {
uuids.addAll(db.fetch().getSavedUUIDs());
} catch (DBException e) {
Log.toLog(ManageUtils.class, e);
}
return uuids;
}
/**
* Clears a database and copies data from other database to that database.
*
@ -71,11 +56,7 @@ public class ManageUtils {
* to.
* @param copyFromDB Database where data will be copied from
*/
public static void clearAndCopy(Database clearAndCopyToDB, Database copyFromDB) throws SQLException {
BatchOperationTable toDB = new BatchOperationTable((SQLDB) clearAndCopyToDB);
BatchOperationTable fromDB = new BatchOperationTable((SQLDB) copyFromDB);
toDB.removeAllData();
fromDB.copyEverything(toDB);
public static void clearAndCopy(Database clearAndCopyToDB, Database copyFromDB) throws SQLException, DBException {
copyFromDB.backup().backup(clearAndCopyToDB);
}
}