public final class GenericUDFUtils
extends java.lang.Object
Modifier and Type | Class and Description |
---|---|
static class |
GenericUDFUtils.ConversionHelper
Convert parameters for the method if needed.
|
static class |
GenericUDFUtils.ReturnObjectInspectorResolver
This class helps to find the return ObjectInspector for a GenericUDF.
|
static class |
GenericUDFUtils.StringHelper
Helper class for UDFs returning string/varchar/char
|
Modifier and Type | Method and Description |
---|---|
static int |
findText(Text text,
Text subtext,
int start)
Finds any occurence of
subtext from text in the
backing buffer, for avoiding string encoding and decoding. |
static java.lang.String |
getOrdinal(int i)
Return an ordinal from an integer.
|
static boolean |
isUtfStartByte(byte b)
Checks if b is the first byte of a UTF-8 character.
|
public static boolean isUtfStartByte(byte b)
public static java.lang.String getOrdinal(int i)
public static int findText(Text text, Text subtext, int start)
subtext
from text
in the
backing buffer, for avoiding string encoding and decoding. Shamelessly copy
from org.apache.hadoop.io.Text#find(String, int)
.Copyright © 2012 The Apache Software Foundation