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Removing code from portal.h for setting handle of RestoreOptions and RestoreBackupableDB

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This commit is contained in:
Ankit Gupta
2014-05-18 22:40:48 -07:00
parent 29eef1f87d
commit e87973cde1
6 changed files with 54 additions and 120 deletions
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29
java/org/rocksdb/RestoreBackupableDB.java
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@@ -7,24 +7,24 @@ package org.rocksdb;
/**
* This class is used to access information about backups and restore from them.
*
* Note that dispose() must be called before this instance become out-of-scope
*
* Note that dispose() must be called before this instance become out-of-scope
* to release the allocated memory in c++.
*
*
* @param options Instance of BackupableDBOptions.
*/
public class RestoreBackupableDB extends RocksObject {
public RestoreBackupableDB(BackupableDBOptions options) {
super();
newRestoreBackupableDB(options.nativeHandle_);
nativeHandle_ = newRestoreBackupableDB(options.nativeHandle_);
}
/**
* Restore from backup with backup_id
* IMPORTANT -- if options_.share_table_files == true and you restore DB
* from some backup that is not the latest, and you start creating new
* backups from the new DB, they will probably fail.
*
*
* Example: Let's say you have backups 1, 2, 3, 4, 5 and you restore 3.
* If you add new data to the DB and try creating a new backup now, the
* database will diverge from backups 4 and 5 and the new backup will fail.
@@ -36,7 +36,7 @@ public class RestoreBackupableDB extends RocksObject {
restoreDBFromBackup0(nativeHandle_, backupId, dbDir, walDir,
restoreOptions.nativeHandle_);
}
/**
* Restore from the latest backup.
*/
@@ -45,25 +45,25 @@ public class RestoreBackupableDB extends RocksObject {
restoreDBFromLatestBackup0(nativeHandle_, dbDir, walDir,
restoreOptions.nativeHandle_);
}
/**
* Deletes old backups, keeping latest numBackupsToKeep alive.
*
*
* @param Number of latest backups to keep
*/
public void purgeOldBackups(int numBackupsToKeep) throws RocksDBException {
purgeOldBackups0(nativeHandle_, numBackupsToKeep);
}
/**
* Deletes a specific backup.
*
*
* @param ID of backup to delete.
*/
public void deleteBackup(long backupId) throws RocksDBException {
deleteBackup0(nativeHandle_, backupId);
}
/**
* Release the memory allocated for the current instance
* in the c++ side.
@@ -71,10 +71,11 @@ public class RestoreBackupableDB extends RocksObject {
@Override public synchronized void dispose() {
if (isInitialized()) {
dispose(nativeHandle_);
nativeHandle_ = 0;
}
}
private native void newRestoreBackupableDB(long options);
private native long newRestoreBackupableDB(long options);
private native void restoreDBFromBackup0(long nativeHandle, long backupId,
String dbDir, String walDir, long restoreOptions) throws RocksDBException;
private native void restoreDBFromLatestBackup0(long nativeHandle,