Package org.apache.sedona.core.formatMapper.shapefileParser.fieldname

Class FieldnameInputFormat

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<Long,String>

org.apache.sedona.core.formatMapper.shapefileParser.fieldname.FieldnameInputFormat

public class FieldnameInputFormat
extends org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<Long,String>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

org.apache.hadoop.mapreduce.lib.input.FileInputFormat.Counter

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat

SPLIT_MINSIZE_PERNODE, SPLIT_MINSIZE_PERRACK

Fields inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

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

Constructor Summary

Constructors

Constructor	Description
FieldnameInputFormat()

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.mapreduce.RecordReader<Long,String>	createRecordReader(org.apache.hadoop.mapreduce.InputSplit inputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext taskAttemptContext)
List<org.apache.hadoop.mapreduce.InputSplit>	getSplits(org.apache.hadoop.mapreduce.JobContext job)	get and combine all splits of .shp files
protected boolean	isSplitable(org.apache.hadoop.mapreduce.JobContext context, org.apache.hadoop.fs.Path file)	enforce isSplitable to be false so that super.getSplits() combine all files as one split.

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat

createPool, createPool, getFileBlockLocations, setMaxSplitSize, setMinSplitSizeNode, setMinSplitSizeRack

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

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

Methods inherited from class java.lang.Object

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

Constructor Details

FieldnameInputFormat

public FieldnameInputFormat()

Method Details

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<Long,String> createRecordReader(org.apache.hadoop.mapreduce.InputSplit inputSplit,
 org.apache.hadoop.mapreduce.TaskAttemptContext taskAttemptContext)
                                                                         throws IOException

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<Long,String>

Throws:

IOException

isSplitable

protected boolean isSplitable(org.apache.hadoop.mapreduce.JobContext context,
 org.apache.hadoop.fs.Path file)

enforce isSplitable to be false so that super.getSplits() combine all files as one split.

Overrides:

isSplitable in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<Long,String>

Parameters:

context -

file -

Returns:

getSplits

public List<org.apache.hadoop.mapreduce.InputSplit> getSplits(org.apache.hadoop.mapreduce.JobContext job)
                                                       throws IOException

get and combine all splits of .shp files

Overrides:

getSplits in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<Long,String>

Parameters:

job -

Returns:

Throws:

IOException