Package com.mapr.fs

Class MapRDbUtils

java.lang.Object

com.mapr.fs.MapRDbUtils

Direct Known Subclasses:

MemMapRDBUtils

public class MapRDbUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
MapRDbUtils()
MapRDbUtils(MapRFileSystem maprfs)

Method Summary

Modifier and Type	Method	Description
void	batchPut(Map<byte[],byte[]> keyValueMap)
void	BatchPut(Map<byte[],Map<String,byte[]>> keyValueMap)
void	close()
void	Delete(byte[] key)
void	Delete(byte[] key, String colName)
void	Delete(List<byte[]> keys)
boolean	Exist(byte[] key)
byte[]	Get(byte[] key)
Map<byte[],byte[]>	Get(List<byte[]> keys)
MapRDbResultScanner	getKeysScanner(byte[] startKey, byte[] endKey)
MapRDbResultScanner	getKeysScanner(byte[] startKey, byte[] endKey, boolean defaultColumn)
MapRDbResultScanner	getScanner(byte[] startKey, byte[] endKey)
MapRDbResultScanner	getScanner(byte[] startKey, byte[] endKey, boolean defaultColumn)
MapRDbResultScanner	getScanner(byte[] startKey, byte[] endKey, boolean defaultColumn, boolean onlyKeys)
MapRDbResultScanner	getScannerForPrefix(byte[] prefix, boolean defaultColumn)
MapRDbResultScanner	getScannerForTimeRange(long minTimeStamp, long maxTimeStamp, boolean defaultColumn)
long[]	GetTimeStamps(byte[] key, boolean isDefaultColumn)
void	Init(String tablePath, String defaultColumnFamily, String defaultQualifier)
static boolean	isDbCreated(String path)
Map<String,byte[]>	MultiColumnGet(byte[] key)
static String	printBytes(byte[] bytes)
void	Put(byte[] key, byte[] value)
void	Put(byte[] key, Map<String,byte[]> valueMap)
void	Put(byte[] key, Map<String,byte[]> insValueMap, List<String> delColumns)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MapRDbUtils

public MapRDbUtils()

MapRDbUtils

public MapRDbUtils(MapRFileSystem maprfs)

Method Details

isDbCreated

public static boolean isDbCreated(String path)

Init

public void Init(String tablePath,
 String defaultColumnFamily,
 String defaultQualifier)
          throws IOException

Throws:

IOException

Put

public void Put(byte[] key,
 byte[] value)
         throws IOException

Throws:

IOException

Put

public void Put(byte[] key,
 Map<String,byte[]> valueMap)
         throws IOException

Throws:

IOException

BatchPut

public void BatchPut(Map<byte[],Map<String,byte[]>> keyValueMap)
              throws IOException

Throws:

IOException

batchPut

public void batchPut(Map<byte[],byte[]> keyValueMap)
              throws IOException

Throws:

IOException

Put

public void Put(byte[] key,
 Map<String,byte[]> insValueMap,
 List<String> delColumns)
         throws IOException

Throws:

IOException

Delete

public void Delete(byte[] key,
 String colName)
            throws IOException

Throws:

IOException

Delete

public void Delete(byte[] key)
            throws IOException

Throws:

IOException

Delete

public void Delete(List<byte[]> keys)
            throws IOException

Throws:

IOException

Get

public byte[] Get(byte[] key)
           throws IOException

Throws:

IOException

Get

public Map<byte[],byte[]> Get(List<byte[]> keys)
                       throws IOException

Throws:

IOException

MultiColumnGet

public Map<String,byte[]> MultiColumnGet(byte[] key)
                                  throws IOException

Throws:

IOException

GetTimeStamps

public long[] GetTimeStamps(byte[] key,
 boolean isDefaultColumn)
                     throws IOException

Throws:

IOException

Exist

public boolean Exist(byte[] key)
              throws IOException

Throws:

IOException

getKeysScanner

public MapRDbResultScanner getKeysScanner(byte[] startKey,
 byte[] endKey,
 boolean defaultColumn)
                                   throws IOException

Throws:

IOException

getKeysScanner

public MapRDbResultScanner getKeysScanner(byte[] startKey,
 byte[] endKey)
                                   throws IOException

Throws:

IOException

getScanner

public MapRDbResultScanner getScanner(byte[] startKey,
 byte[] endKey)
                               throws IOException

Throws:

IOException

getScanner

public MapRDbResultScanner getScanner(byte[] startKey,
 byte[] endKey,
 boolean defaultColumn)
                               throws IOException

Throws:

IOException

getScanner

public MapRDbResultScanner getScanner(byte[] startKey,
 byte[] endKey,
 boolean defaultColumn,
 boolean onlyKeys)
                               throws IOException

Throws:

IOException

getScannerForPrefix

public MapRDbResultScanner getScannerForPrefix(byte[] prefix,
 boolean defaultColumn)
                                        throws IOException

Throws:

IOException

getScannerForTimeRange

public MapRDbResultScanner getScannerForTimeRange(long minTimeStamp,
 long maxTimeStamp,
 boolean defaultColumn)
                                           throws IOException

Throws:

IOException

printBytes

public static String printBytes(byte[] bytes)

close

public void close()