io.warp10.spark

Class WarpScriptUDAF

java.lang.Object

org.apache.spark.sql.expressions.UserDefinedAggregateFunction

io.warp10.spark.WarpScriptUDAF

All Implemented Interfaces:

java.io.Serializable

public class WarpScriptUDAF
extends org.apache.spark.sql.expressions.UserDefinedAggregateFunction

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WarpScriptUDAF(java.lang.String mc2)

Method Summary

Modifier and Type	Method and Description
org.apache.spark.sql.types.StructType	bufferSchema()
org.apache.spark.sql.types.DataType	dataType()
boolean	deterministic()
java.lang.Object	evaluate(org.apache.spark.sql.Row row)
void	initialize(org.apache.spark.sql.expressions.MutableAggregationBuffer buf)
org.apache.spark.sql.types.StructType	inputSchema()
void	merge(org.apache.spark.sql.expressions.MutableAggregationBuffer buf, org.apache.spark.sql.Row row)
org.apache.spark.sql.expressions.UserDefinedAggregateFunction	setBufferSchema(java.lang.String bufferSchema)
org.apache.spark.sql.expressions.UserDefinedAggregateFunction	setDataType(java.lang.String dataType)
org.apache.spark.sql.expressions.UserDefinedAggregateFunction	setDeterministic(boolean deterministic)
org.apache.spark.sql.expressions.UserDefinedAggregateFunction	setInputSchema(java.lang.String inputSchema)
void	update(org.apache.spark.sql.expressions.MutableAggregationBuffer buf, org.apache.spark.sql.Row row)

Methods inherited from class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

apply, apply, distinct, distinct

Methods inherited from class java.lang.Object

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

Constructor Detail

WarpScriptUDAF

public WarpScriptUDAF(java.lang.String mc2)

Method Detail

initialize

public void initialize(org.apache.spark.sql.expressions.MutableAggregationBuffer buf)

Specified by:

initialize in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

merge

public void merge(org.apache.spark.sql.expressions.MutableAggregationBuffer buf,
                  org.apache.spark.sql.Row row)

Specified by:

merge in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

update

public void update(org.apache.spark.sql.expressions.MutableAggregationBuffer buf,
                   org.apache.spark.sql.Row row)

Specified by:

update in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

evaluate

public java.lang.Object evaluate(org.apache.spark.sql.Row row)

Specified by:

evaluate in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

deterministic

public boolean deterministic()

Specified by:

deterministic in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

inputSchema

public org.apache.spark.sql.types.StructType inputSchema()

Specified by:

inputSchema in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

bufferSchema

public org.apache.spark.sql.types.StructType bufferSchema()

Specified by:

bufferSchema in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

dataType

public org.apache.spark.sql.types.DataType dataType()

Specified by:

dataType in class org.apache.spark.sql.expressions.UserDefinedAggregateFunction

setDeterministic

public org.apache.spark.sql.expressions.UserDefinedAggregateFunction setDeterministic(boolean deterministic)

setInputSchema

public org.apache.spark.sql.expressions.UserDefinedAggregateFunction setInputSchema(java.lang.String inputSchema)

setBufferSchema

public org.apache.spark.sql.expressions.UserDefinedAggregateFunction setBufferSchema(java.lang.String bufferSchema)

setDataType

public org.apache.spark.sql.expressions.UserDefinedAggregateFunction setDataType(java.lang.String dataType)