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Add more options to backupable DB

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This commit is contained in:
Ankit Gupta
2014-05-13 22:22:21 -07:00
parent 036e323f7a
commit cf0b773a29
6 changed files with 111 additions and 12 deletions
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11
java/org/rocksdb/BackupableDBOptions.java
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@@ -13,9 +13,12 @@ package org.rocksdb;
* become out-of-scope to release the allocated memory in c++.
*/
public class BackupableDBOptions extends RocksObject {
public BackupableDBOptions(String path) {
public BackupableDBOptions(String path, boolean shareTableFiles, boolean sync,
boolean destroyOldData, boolean backupLogFiles, long backupRateLimit,
long restoreRateLimit) {
super();
newBackupableDBOptions(path);
newBackupableDBOptions(path, shareTableFiles, sync, destroyOldData,
backupLogFiles, backupRateLimit, restoreRateLimit);
}
/**
@@ -38,7 +41,9 @@ public class BackupableDBOptions extends RocksObject {
}
}
private native void newBackupableDBOptions(String path);
private native void newBackupableDBOptions(String path,
boolean shareTableFiles, boolean sync, boolean destroyOldData,
boolean backupLogFiles, long backupRateLimit, long restoreRateLimit);
private native String backupDir(long handle);
private native void dispose(long handle);
}

28
java/org/rocksdb/test/BackupableDBTest.java
View File

@@ -18,15 +18,35 @@ public class BackupableDBTest {
Options opt = new Options();
opt.setCreateIfMissing(true);
BackupableDBOptions bopt = new BackupableDBOptions(backup_path);
BackupableDBOptions bopt = new BackupableDBOptions(backup_path, false,
true, false, true, 0, 0);
BackupableDB bdb = null;
try {
bdb = BackupableDB.open(opt, bopt, db_path);
bdb.put("hello".getBytes(), "BackupableDB".getBytes());
bdb.put("abc".getBytes(), "def".getBytes());
bdb.put("ghi".getBytes(), "jkl".getBytes());
bdb.createNewBackup(true);
byte[] value = bdb.get("hello".getBytes());
assert(new String(value).equals("BackupableDB"));
// delete record after backup
bdb.remove("abc".getBytes());
byte[] value = bdb.get("abc".getBytes());
assert(value == null);
bdb.close();
// restore from backup
RestoreBackupableDB rdb = new RestoreBackupableDB(bopt);
rdb.restoreDBFromLatestBackup(db_path, db_path,
new RestoreOptions(false));
rdb.dispose();
// verify that backed up data contains deleted record
bdb = BackupableDB.open(opt, bopt, db_path);
value = bdb.get("abc".getBytes());
assert(new String(value).equals("def"));
System.out.println("Backup and restore test passed");
} catch (RocksDBException e) {
System.err.format("[ERROR]: %s%n", e);
e.printStackTrace();