org.apache.hadoop.hbase.io.hfile

类 HFileWriterV3

java.lang.Object

org.apache.hadoop.hbase.io.hfile.AbstractHFileWriter

org.apache.hadoop.hbase.io.hfile.HFileWriterV2

org.apache.hadoop.hbase.io.hfile.HFileWriterV3

所有已实现的接口:

Closeable, AutoCloseable, HFile.Writer

@InterfaceAudience.Private
public class HFileWriterV3
extends HFileWriterV2

HFile writer for version 3.

字段概要

从类继承的字段 org.apache.hadoop.hbase.io.hfile.HFileWriterV2

fsBlockWriter, KEY_VALUE_VER_WITH_MEMSTORE, KEY_VALUE_VERSION, lastDataBlockOffset, MAX_MEMSTORE_TS_KEY, maxMemstoreTS, UNIFIED_ENCODED_BLOCKSIZE_RATIO

从类继承的字段 org.apache.hadoop.hbase.io.hfile.AbstractHFileWriter

blockEncoder, cacheConf, closeOutputStream, comparator, entryCount, fileInfo, firstCellInBlock, hFileContext, lastCell, metaData, metaNames, name, outputStream, path, totalKeyLength, totalUncompressedBytes, totalValueLength

构造器概要

构造器

构造器和说明
HFileWriterV3(org.apache.hadoop.conf.Configuration conf, CacheConfig cacheConf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path, org.apache.hadoop.fs.FSDataOutputStream ostream, KeyValue.KVComparator comparator, HFileContext fileContext) Constructor that takes a path, creates and closes the output stream.

方法概要

方法

限定符和类型	方法和说明
void	append(Cell cell) Add key/value to file.
protected void	finishClose(FixedFileTrailer trailer) Sets remaining trailer fields, writes the trailer to disk, and optionally closes the output stream.
protected void	finishFileInfo() Add last bits of metadata to file info before it is written out.
protected int	getMajorVersion()
protected int	getMinorVersion()

从类继承的方法 org.apache.hadoop.hbase.io.hfile.HFileWriterV2

addDeleteFamilyBloomFilter, addGeneralBloomFilter, addInlineBlockWriter, appendMetaBlock, checkBlockBoundary, close, finishInit, getFileContext, newBlock

从类继承的方法 org.apache.hadoop.hbase.io.hfile.AbstractHFileWriter

appendFileInfo, checkKey, checkValue, compressionByName, createOutputStream, getPath, toString, writeFileInfo

从类继承的方法 java.lang.Object

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

构造器详细资料

HFileWriterV3

public HFileWriterV3(org.apache.hadoop.conf.Configuration conf,
             CacheConfig cacheConf,
             org.apache.hadoop.fs.FileSystem fs,
             org.apache.hadoop.fs.Path path,
             org.apache.hadoop.fs.FSDataOutputStream ostream,
             KeyValue.KVComparator comparator,
             HFileContext fileContext)
              throws IOException

Constructor that takes a path, creates and closes the output stream.

抛出:

IOException

方法详细资料

append

public void append(Cell cell)
            throws IOException

Add key/value to file. Keys must be added in an order that agrees with the Comparator passed on construction.

指定者:

append 在接口中 HFile.Writer

覆盖:

append 在类中 HFileWriterV2

参数:

cell - Cell to add. Cannot be empty nor null.

抛出:

IOException

finishFileInfo

protected void finishFileInfo()
                       throws IOException

从类复制的说明: AbstractHFileWriter

Add last bits of metadata to file info before it is written out.

覆盖:

finishFileInfo 在类中 AbstractHFileWriter

抛出:

IOException

getMajorVersion

protected int getMajorVersion()

覆盖:

getMajorVersion 在类中 HFileWriterV2

getMinorVersion

protected int getMinorVersion()

覆盖:

getMinorVersion 在类中 HFileWriterV2

finishClose

protected void finishClose(FixedFileTrailer trailer)
                    throws IOException

从类复制的说明: AbstractHFileWriter

Sets remaining trailer fields, writes the trailer to disk, and optionally closes the output stream.

覆盖:

finishClose 在类中 AbstractHFileWriter

抛出:

IOException