Preface
RulePoint
RulePoint Concepts
- RulePoint Concepts Overview
- Understanding RulePoint Entities
Using RulePoint
RulePoint Objects
- RulePoint Objects Overview
- State of RulePoint Objects
Working with Topics
Working with Connections
Working with Sources
Working with Responders
Working with Responses
Working with Watchlists
Working with Analytics
- Analytics Overview
- Analytic Types
- Creating an Analytic
- Copying an Analytic
- Editing an Analytic
- Deleting an Analytic
- Viewing Related Objects
- Predefined Analytics
  - abs
  - average
  - ceil
  - charat
  - clean
  - compareto
  - concat
  - confidence
  - correlation
  - count
  - current
  - date
  - datedifference
  - endswith
  - even
  - floor
  - getcurrentdate
  - getdatefrommillis
  - getdateinmillis
  - geodistance
  - geoinbound
  - geoinsidearea
  - geointersect
  - geooutbound
  - geooutsidearea
  - geopassthru
  - indexof
  - integer
  - isblank
  - isholiday
  - isnum
  - istext
  - isweekday
  - isweekend
  - large
  - list2vars
  - lower
  - max
  - min
  - mod
  - mode
  - mround
  - odd
  - parse
  - past
  - percentile
  - power
  - proper
  - range
  - regex
  - replace
  - round
  - rounddown
  - roundup
  - sign
  - small
  - startswith
  - stdev
  - stringequals
  - stringindexof
  - stringlastindexof
  - stringlength
  - substring
  - sum
  - trim
  - truncate
  - upper
  - xpath
- Predefined Operators
  - contains
  - equalsSet
  - has
  - in
  - match
  - notMatch
  - search
  - unique
  - group by
  - distinct
  - unmatched
- Using the distinct, group by, and ummatched Filters
DRQL
Working with Rules
Working with Alerts
Setting Access Controls
Troubleshooting RulePoint Issues
Connecting to an Ultra Messaging Application
Creating an Ultra Messaging JMS Source

User Guide

6.1.2
- 6.2
- 6.1

Back Next

indexof

The indexof analytic accesses events with a specific index. An event set lists events from the newest event to the oldest event. For example, when two events are sent, the first older event index is 1 and the latest event index is 0.

Syntax

You have the following options for using an indexof analytic:

indexof(event property,event index)

The following table describes the required and optional arguments:

Argument	Required Optional	Description
event property	Required	Assesses any one of the event properties.
event index	Required	Assesses a specific event in an event set.

indexof(event property,starting index,ending index)

The following table describes the required and optional arguments:

Argument	Required Optional	Description
event property	Required	Assesses any one of the event properties.
event index	Required	Specifies the index range, from start to end.

The following table provides the datatype for the parameters you can pass:

Parameter Input Options	Datatype
Event property	Real number
Watchlist values	Real number

Example 1

when 2 stock s with indexof(s.prop1,1 ) as  result >4 then response with body= “${result}”

The following table describes the result for the event property value that you pass:

Event Property Value	Description	Result
s.prop[1]=5 à 1st event s.prop[0]=1 à latest event	Verifies if an event property of a specific index is greater than 4.	5

Example 2

when 3 stock s with indexof(s.prop1,0,2 ) as result >4 then response with body= “${result}”

The following table describes the result for the event property value that you pass:

Event Property Value	Description	Result
s.prop[2]=2 à 1st event s.prop[1]=1 à 2nd event s.prop[0]=5 à latest event	Verifies whether all the values of an event property in the specified index range is greater than 4.	5

Error Condition

For all topic rules, the compiler cannot perform the index bound check. You get a warning message when the index is out of bounds. If you swap the position of the event index with the event property, for example, if you write an indexof analytic as

indexof(event index,event property)

, the DRQL rule compiles, but results in an error during the runtime.

Predefined Analytics

Download Guide

Watch

Comments

Communities

Knowledge Base

Success Portal