org.apache.hadoop.hive.ql.udf.generic

Class AbstractGenericUDFReflect

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDF

org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDFReflect

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

GenericUDFReflect, GenericUDFReflect2

public abstract class AbstractGenericUDFReflect
extends GenericUDF

common class for reflective UDFs

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

GenericUDF.DeferredJavaObject, GenericUDF.DeferredObject

Constructor Summary

Constructors

Constructor and Description
AbstractGenericUDFReflect()

Method Summary

Modifier and Type	Method and Description
protected abstract String	functionName()
String	getDisplayString(String[] children) Get the String to be displayed in explain.

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

checkArgGroups, checkArgPrimitive, checkArgsSize, close, configure, copyToNewInstance, evaluate, flip, getArgOrder, getConstantBooleanValue, getConstantIntValue, getConstantStringValue, getDateValue, getDoubleValue, getFuncName, getIntervalDayTimeValue, getIntervalYearMonthValue, getIntValue, getLongValue, getRequiredFiles, getRequiredJars, getStandardDisplayString, getStandardDisplayString, getStringValue, getTimestampValue, getUdfName, initialize, initializeAndFoldConstants, negative, obtainDateConverter, obtainDoubleConverter, obtainIntConverter, obtainLongConverter, obtainStringConverter, obtainTimestampConverter

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractGenericUDFReflect

public AbstractGenericUDFReflect()

Method Detail

getDisplayString

public String getDisplayString(String[] children)

Description copied from class: GenericUDF

Get the String to be displayed in explain.

Specified by:

getDisplayString in class GenericUDF

functionName

protected abstract String functionName()