Questions tagged [wso2-cep]
251 questions
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How to get value of 'CARBON_HOME' in java code
I was trying to implement an Axis2 service that receives user requests and publishes them as events to a CEP using carbon databridge thrift (via 'org.wso2.carbon.databridge.agent.thrift.DataPublisher')
I followed the code sample provided in…
George Wang
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Writing an "arrived" and "departed" query with siddhi using timeouts
I'm looking to replace Esper with Siddhi in my application. The esper statement right now is a "timeout" type pattern, where I need to report back when events of a unique "name" and "type" (just string values I can look for on the incoming events)…
Matt
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Can I host WSO2 CEP on Bluemix?
I want to run my WSO2 CEP on IBM Bluemix. Is it possible to host it as a Liberty application or any other option is available there ?
tmnaik
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Query with Siddhi CEP using two times windows and 2 streams (continued)
I keep trying to make complex correlations with Siddhi, on this occasion I have two input streams, web client consult and notices sent to clients visits, I want to generate an alert if the first stream for each client is repeated more than once as…
David Gomez
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Handling MQTT messages in WSO2 CEP 3.1.0
I have a scenario in which I have MQTT publisher.
MQTT Client --> Message Broker --> WSO2 CEP (JMS input adaptor)
What are the ways by which I can get this published MQTT message as input to WSO2 CEP?
I tried using ActiveMQ as a message…
Sushil
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Does WSO2 CEP support the Solace Messaging System Integration?
I am trying to implement the Solace messaging system integration with WS02 CEP.
Is there any direct connectivity integration existing? Or can I use the separate layer(Active MQ) to integrate these two?
If possible any document can you please share…
Sree Ram
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1 answer
Query with Siddhi CEP using two times windows
I 'm trying to do a simple query but a two time windows ; the query would be something like trying to send a message to users who have visited a product of the web more than twice in the last four months, provided that you have already sent the last…
David Gomez
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Connection not successful: javax.jms.JMSException: User name [null] or password is invalid in wso2
I am trying to create an output event adaptor.
Adaptor type: jms
JNDI Initial Context Factory Class: org.apache.activemq.jndi.ActiveMQInitialContextFactory
JNDI Provider URL : tcp://localhost:61616
Connection Factory JNDI Name :…
Mrudula M
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Using Siddhi patterns to detect events that did not occur
In CEP engine I am trying to do a pattern like
from s1 = SensorStream[level == 'A'] **NOT** -> s2 = SensorStream[level == 'B'] within 10 sec
select s1.id as id1, s2.id as id2 insert into AlertStream
I found this link , but what I have is not a…
Marta
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WSO2 CEP isMatch in-built function doesn't work properly
In Wso2 CEP v 3.1.0 I have to use isMatch function in this situation.
from in_put[isMatch('^123|^234|^345', a)]
select b,c
insert into out_put1;
In input stream I have 3 variables (a,b,c), a-variable is 9 digits number where I have to check first 3…
Kacu
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How do i separate my siddhimanager based on context?
I have a number of streams coming in and i use wso2 to evaluate these stream with rules . Some of these streams can be bundled together as they would be from the same organization . How can i separate my siddhi context based on these different…
Pallavi Bandada
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Does wso2 developer studio 3.7.0 supports Wso2 CEP 3.1.0
As Buckets concept not there in wso2 CEP 3.1.0.
Does wso2 developer studio 3.7.0 supports Wso2 CEP 3.1.0 ?
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Support for creating dynamic query/rule in WSO2 CEP
How to write query dynamically in WSO2-CEP. As in PSQL user has the option to write query dynamically, is there any alternative in CEP tool to achieve it?
Use case: 1. Suppose, if in the stream both function and data are available then there must…
user2922308
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WSO2 cep: How to deal with multiple joins?
I'm try to solve simple task:
1. I want to correlate occurrence of 3 events A, B, C in case they happen in last 10 seconds.
Thus Siddhi supports only 2 join in query, I think that I'm not able to solve it. In documentation there's suggestion to use…
e.tichy
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Spatial Events in Drools Fusion & WSO2 Complex Event Processor/Siddhi
I’ve been looking into the Drools Fusion Complex Event Processing component and the WSO2 Complex Event Processor/Siddhi and I was wondering if one/both of these components are capable to handle spatial events for 2D and 3D events.
I’m interested…
Dennis
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