org.apache.hadoop.mapred.lib

类 CombineSequenceFileInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<K,V>

org.apache.hadoop.mapred.lib.CombineFileInputFormat

org.apache.hadoop.mapred.lib.CombineSequenceFileInputFormat

所有已实现的接口：

InputFormat

@InterfaceAudience.Public
 @InterfaceStability.Stable
public class CombineSequenceFileInputFormat
extends CombineFileInputFormat

这是针对SequenceFileInputFormat的等效CombineFileInputFormat输入格式。

另请参阅：

CombineFileInputFormat

字段摘要

从类 org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat 继承的字段

SPLIT_MINSIZE_PERNODE, SPLIT_MINSIZE_PERRACK

从类org.apache.hadoop.mapreduce.lib.input.FileInputFormat继承的字段

DEFAULT_LIST_STATUS_NUM_THREADS, INPUT_DIR, INPUT_DIR_NONRECURSIVE_IGNORE_SUBDIRS, INPUT_DIR_RECURSIVE, LIST_STATUS_NUM_THREADS, NUM_INPUT_FILES, PATHFILTER_CLASS, SPLIT_MAXSIZE, SPLIT_MINSIZE

构造函数摘要

构造函数及描述
CombineSequenceFileInputFormat()

方法摘要

修饰符和类型	方法和描述
RecordReader<K,V>	getRecordReader(InputSplit split, JobConf conf, Reporter reporter) 此功能尚未实现。

从类org.apache.hadoop.mapred.lib.CombineFileInputFormat继承的方法

createPool, createPool, createRecordReader, getSplits, isSplitable, listStatus

从类 org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat 继承的方法

createPool, createPool, getFileBlockLocations, getSplits, isSplitable, setMaxSplitSize, setMinSplitSizeNode, setMinSplitSizeRack

从类 org.apache.hadoop.mapreduce.lib.input.FileInputFormat 继承的方法

addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputDirRecursive, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, listStatus, makeSplit, makeSplit, setInputDirRecursive, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize, shrinkStatus

从java.lang.Object类继承的方法

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

构造函数详情

CombineSequenceFileInputFormat

public CombineSequenceFileInputFormat()

方法详情

getRecordReader

public RecordReader<K,V> getRecordReader(InputSplit split,
                                         JobConf conf,
                                         Reporter reporter)
                                  throws IOException

描述复制自类: CombineFileInputFormat

此功能尚未实现。

指定者:

getRecordReader 在接口 InputFormat<K,V>

指定者:

getRecordReader 在类 CombineFileInputFormat<K,V>

参数:

split - 输入分片

conf - 此分片所属的作业配置

返回:

一个记录读取器

抛出:

IOException