EPL stands for the "Eltron Programming Language" and is a proprietary programming language used to communicate to Zebra (formerly Eltron) branded printers
Questions tagged [epl]
121 questions
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2 answers
Customize UPS Shipping Label with Eltron Programming Language
I am integrating with UPS's Shipping Web Services to improve our warehouse's daily process. UPS returns a shipping label for a package in EPL (Eltron Programming Language). I was able to print the label successfully from C#. However my company…
Jeremie
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Esper EPL query for calculating price velocity in a moving window
I want an EPL query to calculate a moving window price velocity, and am having a hard time piecing correctly. The velocity would be calculated as price in last event in moving window minus price in first event in moving window, divided by length of…
roni762583
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1 answer
There is anyway to print to view from a Mac a EPL2 file
I need to know if. I can open an EPL2 file and print it directly on a Zebra printer. A software or tool which can I use on mac for free maybe.
Jakub
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1 answer
EPL2 GW Command - Direct Graphic Write
I am using a TSC TTP-247 label printer.
I am able to print barcodes and texts.
Now I want to print graphics. For testing I tried to print a square with 32x32 pixels.
Therefore I built up the following string:
N…
MHermann
- 11
- 2
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1 answer
Esper create window based on filter
I am trying to construct a window of object from type TickVo.
I managed to do so using:
TickVO.win:time_batch(1 min)
but my first tick starts for example from 44 miliseconds after midnight, meaning 00:00:00.44.
my question is:
how can i make…
MichaelK
- 189
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- 11
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2 answers
How to properly create a threshold alert statements in Esper
I'm trying to create a set of EPL statements that allow the engine to alert when a value is or not over a threshold. Another way to understand it is like a 'fence' or geographical fence.
The set of statements must alert when a value enters or…
Pablog1108
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1 answer
Esper AMQPSource not receiving events
I'm trying to use the AMQPSource and I'm getting the error describe below, also imports are not working in EPL module. In advance, I test adding full package name to DistanceEvent (events.DistanceEvent and does not work).
To sending a message i'm…
Pablog1108
- 87
- 7
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1 answer
How to connect Esper CEP engine with DDS
I belive I am missing something related with dds concept. My idea is to use a EsperIO adapter, data flow or plug-in to insert incomming events from dds to a esper engine, but I can't see it clear.
Somebody help!! (Thanks in advance)
Pablog1108
- 87
- 7
0
votes
1 answer
Esper Deployment Error: invalid return type for static method, expecting Java class
My application configures and deploys an esper engine that parses an epl module that's stored in a MySQL database as a string. Everything works except when I try to call a static method from the epl module. I get the following error at deployment…
Jim Broiles
- 353
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Storing data from text file into Esper engine for use in EPL
I have a text file which has lines in this format:
XYZ 120
ABC 200
...
Essentially, one 3 character string and an integer value. Their format will not change but the value of the integer might depending on the events.
I would like to store the…
jocund
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1 answer
Use ESPER timestamp in EPL Online Test
I have a simple question, for which I cannot find any ansers on stackoverflow or the ESPERTECH website. My plan is to write an ESPER CEP engine to check values in a live system. To check if the rules are correct even after editing them,
I have some…
peggers
- 31
- 6
0
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1 answer
Activate a pattern since a date
Iam from Spain, forgive my English because Im not very at languages. Here is my question. Iam programming in ESPER-EPL. I want to detect 6 events since a specific date at 3 pm, but I dont know how to do it correctly. I know that I have to put a…
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Return random event out of last 2 events
Assume the following Esper events (Esper Tryout page):
StockTick={symbol='event1', price=1}
t=t.plus(10 seconds)
StockTick={symbol='event2', price=2}
t=t.plus(10 seconds)
StockTick={symbol='event3', price=3}
t=t.plus(10…
eyeweiss
- 17
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1 answer
Attaching a subscriber/listener within EPL module to a statement with context partitions
I have the following EPL module which successfully deploys:
module context;
import events.*;
import configDemo.*;
import annotations.*;
import main.*;
import subscribers.*;
import listeners.*;
@Name('schemaCreator')
create schema…
jocund
- 25
- 1
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1 answer
Alternative to setSubscriber in Esper
I am trying to attach a subscriber to an event in Esper but I would like to use .epl file for that. I've been browsing repositories and I have seen examples of doing that by using annotation interfaces. I was trying to do it the same way they do it…
jocund
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