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Questions tagged [apama]

Apama is a Complex Event Processing engine.

Apama is a Complex Event Processing (CEP) engine. Apama serves as a platform for performing streaming analytics over a range of high volume/low latency inputs and applications. Users define data patterns to listen for and actions to take when these patterns are found, which are expressed in the provided Domain Specific Language called the Event Processing Language (EPL). Plug-ins for interfacing with external systems or extending the EPL language can be written in or .

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How can I use PySys to test an Apama correlator

I know that I can use PySys to test my application, I've written a run.py file with my execute and verify but when I run it nothing seems to happen. I tried adding an init function and printing from there just to see if my test class was being…
Antony Marsden
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Apama Application route event as a priority

I am writing an Application that can receive 2 types of event coming into the system from separate sources. I want to have a Context to handle each of them. See the code below : event MyEvent1{ //stuff for context1 } event MyEvent2{ //stuff for…
Caribou
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Pysys with Apama - How to validate only on certain parameters when comparing events with reference?

A number of samples exists together with the Apama installation, however I haven't been able to identify if you can compare only certain parameters from an event, and not the entire Event. For instance if capturing the…
StefanE
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Is there a way for Apama to read files line by line?

I'm new to Apama. I see that a com.apama.file lib exists, but I am unsure how to actually use it to read a file. I want to send each line as an event to be parsed and then depending on the contents sent as a different event from there, but googling…
Nikhil Jindia
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Adding Capital Markets Framework Bundles to apama_project

The official documentation states that 'Adding bundles from the Capital Markets Foundation, Capital Markets Adapters, or user-defined bundle catalogs is not supported.'. After inspecting how the officially supported bundles are added to the…
awaugh
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Specify injection order of user-defined monitor files in apama_project

Can an apama_project specify the injection order of user-defined types? It appears the engine_deploy does not automatically resolve the user-defined dependency graph. Using the apama_project tool, I have setup a project with two *.mon files. 1.mon…
awaugh
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Distinguish between create and update event of Managed Objects

I'm using Apama in Cumulocity. Whenever a managed object (device) is created in Cumulocity, I would like to provide it with some initial parameters, here the required interval the device needs to report to Cumulocity before it's considered to be…
Mathias
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HTTP requests from built-in Apama runtime in Cumulocity

I'm using Apama v10.3.1. I'm using the built-in Apama container of a Cumulocity installation (currently on v9.20, soon upgrading to v10.4.0), that is all I'm uploading is a monitor, not an entire Apama project. In my Apama monitor I'm executing an…
Mathias
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HTTPS Request/Response processing via Apama

What additional setup is required to perform HTTPS call using HTTPClient adapter in Apama. I have used the host and port as 443. But still it is giving host not found error with status 400. The same https endpoint is working in POSTMAN , Browser and…
abir banerjee
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Aunit test returning blocked for given Sample Apama Projects

I am trying to use AUnit for Unit testing in apama. So I checked and read tha Aunit package uses Apama Pysys in the backend to test Apama application. While I was successful in building the Aunit package , I am getting an error in testing the…
Balpreet Singh
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Apama Pysys engine receive improve process start up

We are using pysys to test apama and want to improve performance. One thing which holds us back is that we issue 7 engine_receive to monitor 7 different channels into 7 different file. The problem is that starting up this 7 receive takes ~10…
David Cifer
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Is there any configuration to add jsonplugin to apama project

I have created an apama project using softwareAG designer. And tried to access JSONPlugin as below. My question is can we use this plugin directly in my monitor or is there any extra configuration to make it available in my monitor. Now I am…
Athi
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Apama Docker Container, passing values from outside the container to config.evt file

I have a Apama project that connects to Kafka Broker, using custom plugin. When we start the Apama project I pass in the config values like broker url, using the .evt (event). I use engine_deploy that create the deployable structure of the project…
Adnan Mian
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Apama To Mongo DB Connectivity

I want to connect to Mongo DB from Apama and store the events there in JSON document format. Is there any way to establish the connectivity either using JDBC or Java API invocation?
abir banerjee
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CEP (Apama) Increase performance for geofencing

Need to know if it is possible (and will have effect) to implement a b-tree within a the CEP (single corerlator). The problem we face is that we can not handle more then 1000 messages per second. I think it is caused by the way the solution has been…
Andy
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