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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How to adjust gif image to zpl/epl printer
UPS webservice returns gif image instead of epl/zpl file, when I specify 'cash on delivery' option. So now I have a problem, how to adjust this gif image programatically, so it can be printed on zebra printer.
This is the image I…

Dess
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Resetting counter in ESPER after a particular time period
I have a problem using ESPER EPL view.
I need to count the total entries and even group them, this I have seen is possible through 'NOT' using any view or window in query. But I need to reset the count every hour or every day.
I have used…

cartman619
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Create data frame for each unique row in another data frame
For an assignment for my graduate program, I have been asked to extract data from datasets of English Premier League results (located here). I am very close to being done but need help on the last two outputs.
We must create a function that can…

coys
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Esper EPL statement each time a value has increased a multiple
I am looking for an EPL statement which fires an event each time a certain value has increased by a specified amount, with any number of events in between, for example:
Considering a stream, which continuously provides new prices.
I want to get a…

mark
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Multiple count in single statement (esper epl)
I am trying to create an epl statement using esper for monitoring response times, something like this:
SELECT QUEUENAME, count(latency>1000) AS NUMBER_OF_SLA_BREACHES, COUNT(latency) AS TOTALS FROM ResponseWindow GROUP BY QUEUENAME
.. however the…

user955732
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How to print a string from java to a Zebra kr203?
I am a complete newbie to kiosk printers.
I need to send a string from a java app to a zebra kr203 kiosk printer.
The machine is hooked up to a windows 7 pc and its drivers are installed. Printing test pages works fine.
I have also installed the…

isaric
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End of File detection in ESPER
I am using ESPER to read events from a CSV file.
How can I make the query output something when reading a CSV file is finished.
For example i want to output every 30 min or at the end of the file
SELECT id FROM stream output every 30 min or [ EOF…

Ali Masri
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Esper filter events by pattern
I try select some events from flow through match_recognize function and receive error message. I can't understand why my pattern not work or I something miss in my statement. Maybe somebody can help me with my statement.
I have EPL Statement:
create…

hubba900
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- 1
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Transform SQL JOIN SELECT to Esper EPL syntax
Let's consider a simple object with the same representation in a SQL database with properties(columns¨): Id, UserId,Ip.
I would like to prepare a query that would generate event in case that one user logs in from 2 IP adresses (or more) within 1…

Vojtech B
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EPL Esper query use historical time stored in event's property instead of publish time
Let's say that I have a simple object:
public class StockTick{
private String symbol;
private decimal price;
private Date date;
private int unixTimestamp
}
How should I modify following query to use StockTick.date or…

Vojtech B
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1 answer
What is Difference window and View in Esper?
I'm learning Esper, CEP Processing engine, but I can't understand about view and window.
There are so looks like, but I feel something difference. But I cant understand it. someone say to me about that simply?
thx for read, and sry for my not good…

Jeong. SJ
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How write Head column in EsperIO with CSV?
How to write Head column via Data Flow?
I am using EsperIO with CSV, and I am writing Event properties in CSV. But there is no Head column. I want to write in a Head Column.
How can I do that?

Jeong. SJ
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- 3
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ESPER - group by Day (from column DateTime)
I'm using ESPER with JAVA and I'm trying to make a statement that performs a group-by DAY. the property is of DateTime type. I've tryed using
EPStatement cepStatement = cepAdm.createEPL("select sum((NVL(LST.value,TSUR.value)-10.0)/96.0) as add,…

NunoRibeiro
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Esper - polymorphism between eventtypes
I am trying to use Esper.
My question is about polymorphism between events.
Example (pseudocode):
I use two classes GPSEvent and PositionEvent as eventtypes. They may look like:
class GPSEvent{
double longitude
double latitude
}
and
class…

dehx
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How to render jpg from the epl code response received from endicia
My Problem here is in my application I'm using endicia to ship international order.
All the labels I'm getting in response are being printed on zebra printer with size of 4*6 .
But shipping international orders, endicia sends very large labels…

Nimesh
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