org.apache.hadoop.hive.ql.io.esriJson

Class UnenclosedEsriJsonRecordReader

java.lang.Object

org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

org.apache.hadoop.hive.ql.io.esriJson.UnenclosedBaseJsonRecordReader

org.apache.hadoop.hive.ql.io.esriJson.UnenclosedEsriJsonRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

public class UnenclosedEsriJsonRecordReader
extends UnenclosedBaseJsonRecordReader

Enumerates records from an Esri Unenclosed JSON file

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.io.esriJson.UnenclosedBaseJsonRecordReader

end, firstBraceConsumed, inputReader, mkey, mval, readerPosition, start

Constructor Summary

Constructors

Constructor and Description
UnenclosedEsriJsonRecordReader()
UnenclosedEsriJsonRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
protected boolean	moveToRecordStart() Given an arbitrary byte offset into a unenclosed JSON document, find the start of the next record in the document.

Methods inherited from class org.apache.hadoop.hive.ql.io.esriJson.UnenclosedBaseJsonRecordReader

close, createKey, createValue, getChar, getCurrentKey, getCurrentValue, getNonWhite, getPos, getProgress, initialize, next, nextKeyValue

Methods inherited from class java.lang.Object

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

Constructor Detail

UnenclosedEsriJsonRecordReader

public UnenclosedEsriJsonRecordReader()
                               throws IOException

Throws:

IOException

UnenclosedEsriJsonRecordReader

public UnenclosedEsriJsonRecordReader(org.apache.hadoop.mapred.InputSplit split,
                                      org.apache.hadoop.conf.Configuration conf)
                               throws IOException

Throws:

IOException

Method Detail

moveToRecordStart

protected boolean moveToRecordStart()
                             throws IOException

Given an arbitrary byte offset into a unenclosed JSON document, find the start of the next record in the document. Discard trailing bytes from the previous record if we happened to seek to the middle of it Record boundary defined as : \{\s*"(attributes|geometry)"\s*:\s*\{

Specified by:

moveToRecordStart in class UnenclosedBaseJsonRecordReader

Throws:

IOException