io.warp10.script.aggregator

Class Argminmax

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.aggregator.Argminmax

All Implemented Interfaces:

WarpScriptAggregatorFunction, WarpScriptBucketizerFunction, WarpScriptMapperFunction, WarpScriptReducerFunction

public class Argminmax
extends NamedWarpScriptFunction
implements WarpScriptMapperFunction, WarpScriptBucketizerFunction, WarpScriptReducerFunction

For each tick return the tick and the concatenation of the values of the labels for which the value is the maximum or minimum of Geo Time Series which are in the same equivalence class.

It operates on LONG and DOUBLE. There is no location and elevation returned.

This reducer takes an additional LONG parameter to choose the maximum to report (use 0 to report them all), and a String parameter to choose on which label it operates.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Argminmax.Builder

Constructor Summary

Constructors

Constructor and Description
Argminmax(java.lang.String name, java.lang.String label, int count, boolean isArgmin)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	apply(java.lang.Object[] args)
java.lang.String	toString()

Methods inherited from class io.warp10.script.NamedWarpScriptFunction

getName, refSnapshot, setName

Methods inherited from class java.lang.Object

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

Constructor Detail

Argminmax

public Argminmax(java.lang.String name,
                 java.lang.String label,
                 int count,
                 boolean isArgmin)

Method Detail

apply

public java.lang.Object apply(java.lang.Object[] args)
                       throws WarpScriptException

Specified by:

apply in interface WarpScriptAggregatorFunction

Throws:

WarpScriptException

toString

public java.lang.String toString()

Overrides:

toString in class NamedWarpScriptFunction