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public interface HRegionInterface
Clients interact with HRegionServers using a handle to the HRegionInterface.
NOTE: if you change the interface, you must change the RPC version number in HBaseRPCProtocolVersion
| Field Summary |
|---|
| Fields inherited from interface org.apache.hadoop.hbase.ipc.HBaseRPCProtocolVersion |
|---|
versionID |
| Method Summary | |
|---|---|
void |
bulkLoadHFile(String hfilePath,
byte[] regionName,
byte[] familyName)
Bulk load an HFile into an open region |
boolean |
checkAndDelete(byte[] regionName,
byte[] row,
byte[] family,
byte[] qualifier,
byte[] value,
Delete delete)
Atomically checks if a row/family/qualifier value match the expectedValue. |
boolean |
checkAndPut(byte[] regionName,
byte[] row,
byte[] family,
byte[] qualifier,
byte[] value,
Put put)
Atomically checks if a row/family/qualifier value match the expectedValue. |
void |
close(long scannerId)
Close a scanner |
void |
delete(byte[] regionName,
Delete delete)
Deletes all the KeyValues that match those found in the Delete object, if their ts <= to the Delete. |
int |
delete(byte[] regionName,
List<Delete> deletes)
Put an array of deletes into the specified region |
boolean |
exists(byte[] regionName,
Get get)
Perform exists operation. |
Result |
get(byte[] regionName,
Get get)
Perform Get operation. |
Result |
getClosestRowBefore(byte[] regionName,
byte[] row,
byte[] family)
Return all the data for the row that matches row exactly, or the one that immediately preceeds it. |
HServerInfo |
getHServerInfo()
Method used when a master is taking the place of another failed one. |
HRegion[] |
getOnlineRegionsAsArray()
|
HRegionInfo |
getRegionInfo(byte[] regionName)
Get metainfo about an HRegion |
HRegionInfo[] |
getRegionsAssignment()
Method used when a master is taking the place of another failed one. |
long |
incrementColumnValue(byte[] regionName,
byte[] row,
byte[] family,
byte[] qualifier,
long amount,
boolean writeToWAL)
Atomically increments a column value. |
long |
lockRow(byte[] regionName,
byte[] row)
Opens a remote row lock. |
MultiPutResponse |
multiPut(MultiPut puts)
Multi put for putting multiple regions worth of puts at once. |
Result |
next(long scannerId)
Get the next set of values |
Result[] |
next(long scannerId,
int numberOfRows)
Get the next set of values |
long |
openScanner(byte[] regionName,
Scan scan)
Opens a remote scanner with a RowFilter. |
int |
put(byte[] regionName,
List<Put> puts)
Put an array of puts into the specified region |
void |
put(byte[] regionName,
Put put)
Put data into the specified region |
void |
replicateLogEntries(HLog.Entry[] entries)
Replicates the given entries. |
void |
unlockRow(byte[] regionName,
long lockId)
Releases a remote row lock. |
| Methods inherited from interface org.apache.hadoop.ipc.VersionedProtocol |
|---|
getProtocolVersion |
| Method Detail |
|---|
HRegionInfo getRegionInfo(byte[] regionName)
throws NotServingRegionException
regionName - name of the region
NotServingRegionException - e
Result getClosestRowBefore(byte[] regionName,
byte[] row,
byte[] family)
throws IOException
regionName - region namerow - row keyfamily - Column family to look for row in.
IOException - eHRegion[] getOnlineRegionsAsArray()
Result get(byte[] regionName,
Get get)
throws IOException
regionName - name of region to get fromget - Get operation
IOException - e
boolean exists(byte[] regionName,
Get get)
throws IOException
regionName - name of region to get fromget - Get operation describing cell to test
IOException - e
void put(byte[] regionName,
Put put)
throws IOException
regionName - region nameput - the data to be put
IOException - e
int put(byte[] regionName,
List<Put> puts)
throws IOException
regionName - region nameputs - List of puts to execute
IOException - e
void delete(byte[] regionName,
Delete delete)
throws IOException
regionName - region namedelete - delete object
IOException - e
int delete(byte[] regionName,
List<Delete> deletes)
throws IOException
regionName - region namedeletes - delete List to execute
IOException - e
boolean checkAndPut(byte[] regionName,
byte[] row,
byte[] family,
byte[] qualifier,
byte[] value,
Put put)
throws IOException
regionName - region namerow - row to checkfamily - column familyqualifier - column qualifiervalue - the expected valueput - data to put if check succeeds
IOException - e
boolean checkAndDelete(byte[] regionName,
byte[] row,
byte[] family,
byte[] qualifier,
byte[] value,
Delete delete)
throws IOException
regionName - region namerow - row to checkfamily - column familyqualifier - column qualifiervalue - the expected valuedelete - data to delete if check succeeds
IOException - e
long incrementColumnValue(byte[] regionName,
byte[] row,
byte[] family,
byte[] qualifier,
long amount,
boolean writeToWAL)
throws IOException
regionName - region namerow - row to checkfamily - column familyqualifier - column qualifieramount - long amount to incrementwriteToWAL - whether to write the increment to the WAL
IOException - e
long openScanner(byte[] regionName,
Scan scan)
throws IOException
regionName - name of region to scanscan - configured scan object
IOException - e
Result next(long scannerId)
throws IOException
scannerId - clientId passed to openScanner
IOException - e
Result[] next(long scannerId,
int numberOfRows)
throws IOException
scannerId - clientId passed to openScannernumberOfRows - the number of rows to fetch
IOException - e
void close(long scannerId)
throws IOException
scannerId - the scanner id returned by openScanner
IOException - e
long lockRow(byte[] regionName,
byte[] row)
throws IOException
regionName - name of regionrow - row to lock
IOException - e
void unlockRow(byte[] regionName,
long lockId)
throws IOException
regionName - region namelockId - the lock id returned by lockRow
IOException - e
HRegionInfo[] getRegionsAssignment()
throws IOException
IOException - e
HServerInfo getHServerInfo()
throws IOException
IOException - e
MultiPutResponse multiPut(MultiPut puts)
throws IOException
puts - the request
IOException - e
void bulkLoadHFile(String hfilePath,
byte[] regionName,
byte[] familyName)
throws IOException
IOException
void replicateLogEntries(HLog.Entry[] entries)
throws IOException
entries - entries to replicate
IOException
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