io.warp10.script.aggregator

Class RMS

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.aggregator.RMS

All Implemented Interfaces:

WarpScriptAggregatorFunction, WarpScriptBucketizerFunction, WarpScriptMapperFunction, WarpScriptReducerFunction

public class RMS
extends NamedWarpScriptFunction
implements WarpScriptMapperFunction, WarpScriptBucketizerFunction, WarpScriptReducerFunction

returns the root mean square of an interval returns elevation and location from the latest measure. Computation is done with doubles. If longs, result is casted to long at the end.

Constructor Summary

Constructors

Constructor and Description
RMS(java.lang.String name, boolean ignoreNulls)

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

RMS

public RMS(java.lang.String name,
           boolean ignoreNulls)

Method Detail

apply

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

Specified by:

apply in interface WarpScriptAggregatorFunction

Throws:

WarpScriptException