io.warp10.script.aggregator

Class Count

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.aggregator.Count

All Implemented Interfaces:

WarpScriptAggregatorFunction, WarpScriptBucketizerFunction, WarpScriptMapperFunction, WarpScriptReducerFunction

public class Count
extends NamedWarpScriptFunction
implements WarpScriptMapperFunction, WarpScriptBucketizerFunction, WarpScriptReducerFunction

Return the number of measures with elevation and location from the latest measure.

Constructor Summary

Constructors

Constructor and Description
Count(java.lang.String name, boolean omitNulls)

Method Summary

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

Methods inherited from class io.warp10.script.NamedWarpScriptFunction

getName, refSnapshot, setName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Count

public Count(java.lang.String name,
             boolean omitNulls)

Method Detail

apply

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

Specified by:

apply in interface WarpScriptAggregatorFunction

Throws:

WarpScriptException