public class StreamKeyValUtil
extends java.lang.Object
Constructor and Description |
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StreamKeyValUtil() |
Modifier and Type | Method and Description |
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static int |
findTab(byte[] utf)
Find the first occured tab in a UTF-8 encoded string
|
static int |
findTab(byte[] utf,
int start,
int length)
Find the first occured tab in a UTF-8 encoded string
|
static int |
readLine(org.apache.hadoop.util.LineReader lineReader,
org.apache.hadoop.io.Text out)
Read a utf8 encoded line from a data input stream.
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static void |
splitKeyVal(byte[] utf,
int start,
int length,
org.apache.hadoop.io.Text key,
org.apache.hadoop.io.Text val,
int splitPos)
split a UTF-8 byte array into key and value
assuming that the delimilator is at splitpos.
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static void |
splitKeyVal(byte[] utf,
int start,
int length,
org.apache.hadoop.io.Text key,
org.apache.hadoop.io.Text val,
int splitPos,
int separatorLength)
split a UTF-8 byte array into key and value
assuming that the delimilator is at splitpos.
|
static void |
splitKeyVal(byte[] utf,
org.apache.hadoop.io.Text key,
org.apache.hadoop.io.Text val,
int splitPos)
split a UTF-8 byte array into key and value
assuming that the delimilator is at splitpos.
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static void |
splitKeyVal(byte[] utf,
org.apache.hadoop.io.Text key,
org.apache.hadoop.io.Text val,
int splitPos,
int separatorLength)
split a UTF-8 byte array into key and value
assuming that the delimilator is at splitpos.
|
public static int findTab(byte[] utf, int start, int length)
utf
- a byte array containing a UTF-8 encoded stringstart
- starting offsetlength
- no. of bytespublic static int findTab(byte[] utf)
utf
- a byte array containing a UTF-8 encoded stringpublic static void splitKeyVal(byte[] utf, int start, int length, org.apache.hadoop.io.Text key, org.apache.hadoop.io.Text val, int splitPos, int separatorLength) throws java.io.IOException
utf
- utf-8 encoded stringstart
- starting offsetlength
- no. of byteskey
- contains key upon the method is returnedval
- contains value upon the method is returnedsplitPos
- the split posseparatorLength
- the length of the separator between key and valuejava.io.IOException
public static void splitKeyVal(byte[] utf, int start, int length, org.apache.hadoop.io.Text key, org.apache.hadoop.io.Text val, int splitPos) throws java.io.IOException
utf
- utf-8 encoded stringstart
- starting offsetlength
- no. of byteskey
- contains key upon the method is returnedval
- contains value upon the method is returnedsplitPos
- the split posjava.io.IOException
public static void splitKeyVal(byte[] utf, org.apache.hadoop.io.Text key, org.apache.hadoop.io.Text val, int splitPos, int separatorLength) throws java.io.IOException
utf
- utf-8 encoded stringkey
- contains key upon the method is returnedval
- contains value upon the method is returnedsplitPos
- the split posseparatorLength
- the length of the separator between key and valuejava.io.IOException
public static void splitKeyVal(byte[] utf, org.apache.hadoop.io.Text key, org.apache.hadoop.io.Text val, int splitPos) throws java.io.IOException
utf
- utf-8 encoded stringkey
- contains key upon the method is returnedval
- contains value upon the method is returnedsplitPos
- the split posjava.io.IOException
public static int readLine(org.apache.hadoop.util.LineReader lineReader, org.apache.hadoop.io.Text out) throws java.io.IOException
lineReader
- LineReader to read the line from.out
- Text to read intojava.io.IOException
Copyright © 2009 The Apache Software Foundation