io.warp10.script.aggregator

Class ResetCounter

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.aggregator.ResetCounter

All Implemented Interfaces:

WarpScriptAggregatorFunction, WarpScriptBucketizerFunction, WarpScriptMapperFunction

public class ResetCounter
extends NamedWarpScriptFunction
implements WarpScriptMapperFunction, WarpScriptBucketizerFunction

Count the number of times a GTS resets, eg: 1 2 3 1 4 5 2 8 9 4 ^ ^ ^ has 3 resets

Constructor Summary

Constructors

Constructor and Description
ResetCounter(java.lang.String name) Create a reset counter which considers a lower value than the previous one to be a reset.
ResetCounter(java.lang.String name, boolean resetHigher) Create a reset counter, forcing the type of resets.

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

ResetCounter

public ResetCounter(java.lang.String name,
                    boolean resetHigher)

Create a reset counter, forcing the type of resets.

Parameters:

resetHigher - If true, a value higher than the previous one will count as a reset. If false, a value lower than the previous one will count as a reset.

ResetCounter

public ResetCounter(java.lang.String name)

Create a reset counter which considers a lower value than the previous one to be a reset.

Method Detail

apply

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

Specified by:

apply in interface WarpScriptAggregatorFunction

Throws:

WarpScriptException