de.viadee.ki.sparkimporter.processing.aggregation

Class ProcessStatesAggregationFunction

java.lang.Object

org.apache.spark.sql.expressions.UserDefinedAggregateFunction

de.viadee.ki.sparkimporter.processing.aggregation.ProcessStatesAggregationFunction

All Implemented Interfaces:

Serializable

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ProcessStatesAggregationFunction()

Method Summary

Modifier and Type	Method and Description
org.apache.spark.sql.types.StructType	bufferSchema()
org.apache.spark.sql.types.DataType	dataType()
boolean	deterministic()
String	evaluate(org.apache.spark.sql.Row buffer)
void	initialize(org.apache.spark.sql.expressions.MutableAggregationBuffer buffer)
org.apache.spark.sql.types.StructType	inputSchema()
void	merge(org.apache.spark.sql.expressions.MutableAggregationBuffer buffer1, org.apache.spark.sql.Row buffer2)
void	update(org.apache.spark.sql.expressions.MutableAggregationBuffer buffer, org.apache.spark.sql.Row input)

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

ProcessStatesAggregationFunction

public ProcessStatesAggregationFunction()

Method Detail

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

deterministic

public boolean deterministic()

Specified by:

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

initialize

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

Specified by:

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

update

public void update(org.apache.spark.sql.expressions.MutableAggregationBuffer buffer,
                   org.apache.spark.sql.Row input)

Specified by:

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

merge

public void merge(org.apache.spark.sql.expressions.MutableAggregationBuffer buffer1,
                  org.apache.spark.sql.Row buffer2)

Specified by:

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

evaluate

public String evaluate(org.apache.spark.sql.Row buffer)

Specified by:

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