org.apache.hadoop.hbase.client
Class UnmodifyableHColumnDescriptor

java.lang.Object
  org.apache.hadoop.hbase.HColumnDescriptor
      org.apache.hadoop.hbase.client.UnmodifyableHColumnDescriptor

All Implemented Interfaces:

Comparable<HColumnDescriptor>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<HColumnDescriptor>

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class UnmodifyableHColumnDescriptor
extends HColumnDescriptor

Immutable HColumnDescriptor

Field Summary

Fields inherited from class org.apache.hadoop.hbase.HColumnDescriptor

BLOCKCACHE, BLOCKSIZE, BLOOMFILTER, CACHE_BLOOMS_ON_WRITE, CACHE_DATA_ON_WRITE, CACHE_INDEX_ON_WRITE, COMPRESSION, COMPRESSION_COMPACT, DATA_BLOCK_ENCODING, DEFAULT_BLOCKCACHE, DEFAULT_BLOCKSIZE, DEFAULT_BLOOMFILTER, DEFAULT_CACHE_BLOOMS_ON_WRITE, DEFAULT_CACHE_DATA_ON_WRITE, DEFAULT_CACHE_INDEX_ON_WRITE, DEFAULT_COMPRESSION, DEFAULT_DATA_BLOCK_ENCODING, DEFAULT_ENCODE_ON_DISK, DEFAULT_EVICT_BLOCKS_ON_CLOSE, DEFAULT_IN_MEMORY, DEFAULT_KEEP_DELETED, DEFAULT_MIN_VERSIONS, DEFAULT_REPLICATION_SCOPE, DEFAULT_TTL, DEFAULT_VERSIONS, ENCODE_ON_DISK, EVICT_BLOCKS_ON_CLOSE, FOREVER, KEEP_DELETED_CELLS, LENGTH, MIN_VERSIONS, REPLICATION_SCOPE, TTL

Constructor Summary

UnmodifyableHColumnDescriptor(HColumnDescriptor desc)

Method Summary

HColumnDescriptor	setBlockCacheEnabled(boolean blockCacheEnabled)
HColumnDescriptor	setCompressionType(Compression.Algorithm type) Compression types supported in hbase.
HColumnDescriptor	setInMemory(boolean inMemory)
HColumnDescriptor	setMaxVersions(int maxVersions)
HColumnDescriptor	setTimeToLive(int timeToLive)
HColumnDescriptor	setValue(byte[] key, byte[] value)
HColumnDescriptor	setValue(String key, String value)

Methods inherited from class org.apache.hadoop.hbase.HColumnDescriptor

compareTo, convert, convert, equals, getBlocksize, getBloomFilterType, getCompactionCompression, getCompactionCompressionType, getCompression, getCompressionType, getConfiguration, getConfigurationValue, getDataBlockEncoding, getDataBlockEncodingOnDisk, getDefaultValues, getKeepDeletedCells, getMaxVersions, getMinVersions, getName, getNameAsString, getScope, getTimeToLive, getValue, getValue, getValues, hashCode, isBlockCacheEnabled, isInMemory, isLegalFamilyName, parseFrom, readFields, remove, removeConfiguration, setBlocksize, setBloomFilterType, setCacheBloomsOnWrite, setCacheDataOnWrite, setCacheIndexesOnWrite, setCompactionCompressionType, setConfiguration, setDataBlockEncoding, setEncodeOnDisk, setEvictBlocksOnClose, setKeepDeletedCells, setMinVersions, setScope, shouldCacheBloomsOnWrite, shouldCacheDataOnWrite, shouldCacheIndexesOnWrite, shouldEvictBlocksOnClose, toByteArray, toString, toStringCustomizedValues, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

UnmodifyableHColumnDescriptor

public UnmodifyableHColumnDescriptor(HColumnDescriptor desc)

Parameters:

desc - wrapped

Method Detail

setValue

public HColumnDescriptor setValue(byte[] key,
                                  byte[] value)

Overrides:

setValue in class HColumnDescriptor

Parameters:

key - The key.

value - The value.

Returns:

this (for chained invocation)

See Also:

HColumnDescriptor.setValue(byte[], byte[])

setValue

public HColumnDescriptor setValue(String key,
                                  String value)

Overrides:

setValue in class HColumnDescriptor

Parameters:

key - The key.

value - The value.

Returns:

this (for chained invocation)

See Also:

HColumnDescriptor.setValue(java.lang.String, java.lang.String)

setMaxVersions

public HColumnDescriptor setMaxVersions(int maxVersions)

Overrides:

setMaxVersions in class HColumnDescriptor

Parameters:

maxVersions - maximum number of versions

Returns:

this (for chained invocation)

See Also:

HColumnDescriptor.setMaxVersions(int)

setInMemory

public HColumnDescriptor setInMemory(boolean inMemory)

Overrides:

setInMemory in class HColumnDescriptor

Parameters:

inMemory - True if we are to keep all values in the HRegionServer cache

Returns:

this (for chained invocation)

See Also:

HColumnDescriptor.setInMemory(boolean)

setBlockCacheEnabled

public HColumnDescriptor setBlockCacheEnabled(boolean blockCacheEnabled)

Overrides:

setBlockCacheEnabled in class HColumnDescriptor

Parameters:

blockCacheEnabled - True if MapFile blocks should be cached.

Returns:

this (for chained invocation)

See Also:

HColumnDescriptor.setBlockCacheEnabled(boolean)

setTimeToLive

public HColumnDescriptor setTimeToLive(int timeToLive)

Overrides:

setTimeToLive in class HColumnDescriptor

Parameters:

timeToLive - Time-to-live of cell contents, in seconds.

Returns:

this (for chained invocation)

See Also:

HColumnDescriptor.setTimeToLive(int)

setCompressionType

public HColumnDescriptor setCompressionType(Compression.Algorithm type)

Description copied from class: HColumnDescriptor

Compression types supported in hbase. LZO is not bundled as part of the hbase distribution. See LZO Compression for how to enable it.

Overrides:

setCompressionType in class HColumnDescriptor

Parameters:

type - Compression type setting.

Returns:

this (for chained invocation)

See Also:

HColumnDescriptor.setCompressionType(org.apache.hadoop.hbase.io.compress.Compression.Algorithm)