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java.lang.Objectorg.apache.hadoop.streaming.StreamKeyValUtil
public class StreamKeyValUtil
| Constructor Summary | |
|---|---|
StreamKeyValUtil()
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| Method Summary | |
|---|---|
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(LineReader lineReader,
Text out)
Read a utf8 encoded line from a data input stream. |
static void |
splitKeyVal(byte[] utf,
int start,
int length,
Text key,
Text val,
int splitPos)
split a UTF-8 byte array into key and value assuming that the delimilator is at splitpos. |
static void |
splitKeyVal(byte[] utf,
int start,
int length,
Text key,
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,
Text key,
Text val,
int splitPos)
split a UTF-8 byte array into key and value assuming that the delimilator is at splitpos. |
static void |
splitKeyVal(byte[] utf,
Text key,
Text val,
int splitPos,
int separatorLength)
split a UTF-8 byte array into key and value assuming that the delimilator is at splitpos. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public StreamKeyValUtil()
| Method Detail |
|---|
public static int findTab(byte[] utf,
int start,
int length)
utf - a byte array containing a UTF-8 encoded stringstart - starting offsetlength - no. of bytes
public static int findTab(byte[] utf)
utf - a byte array containing a UTF-8 encoded string
public static void splitKeyVal(byte[] utf,
int start,
int length,
Text key,
Text val,
int splitPos,
int separatorLength)
throws 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 value
IOException
public static void splitKeyVal(byte[] utf,
int start,
int length,
Text key,
Text val,
int splitPos)
throws 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 pos
IOException
public static void splitKeyVal(byte[] utf,
Text key,
Text val,
int splitPos,
int separatorLength)
throws 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 value
IOException
public static void splitKeyVal(byte[] utf,
Text key,
Text val,
int splitPos)
throws IOException
utf - utf-8 encoded stringkey - contains key upon the method is returnedval - contains value upon the method is returnedsplitPos - the split pos
IOException
public static int readLine(LineReader lineReader,
Text out)
throws IOException
lineReader - LineReader to read the line from.out - Text to read into
IOException
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