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README.jaejunh
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README.jaejunh
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2013.11.25 - Clean Up:
clj-esp to clj-esptool for publishing. Thanks to PatternHatch Site.
2013.11.11 - Fix:
- "client" side is esper free!! (one less thread)
2013.11.04 - Fix:
- clean-up printing for "old-events"
- clean-up return type
2013.11.02 - Feature:
Cleaning up "default" service related.
Now "default" service contains "LogDataEvent" for testing.
You can add more "services" by :add-service or :use-service
(:use-service sets current service)
- (esp :list-service)
- (esp :use-service "test")
- (esp :add-service "test")
- (esp :remove-service "test")
Please take a look at "test-script/market-data.clj" for example usage!
2013.10.23 - Feature:
- (esp :help) or (esp) for "help"
- (esp :stop "s0") (esp :stop :all) also, :start is implemented
- "test-script/market-data.clj" shows above commands examples.
personal note:
- map only returns lazy sequence. if you want to do
transactional execution, wrap it with (doall ...)
- "apply" implementation is questionable. thus
instead of using (apply func arg1 arg2 ...) use (func arg1 arg2 ...)
<- take a look at "proxy" code.
design pattern: (do-deep-call-and-member-func service "x")
(do-light-call service "x" member-func) is more readable/clean/modular.
try to think that as passing function pointer.
cleanup unnecessary codes!
2013.10.22 - debug: add (vector (configuration-get-statement...)) for return
debug: esp-handler (server mode, future-call) checks for socket
error (ie socket already in used)
.: when lein repl, it will tell you whether it is
server mode/client mode!!!
debug: instead of using "global def", use reference and swap!
for threadsafe variables.
Feature: following two remote calls are added.
(esp :shoot-init ...)
(esp :shoot ...)
Feature: (demo xxxxx) will print dummy message every 10th data
for clarity.
2013.10.21 - clean up print statement (+timestamp printing)
added lein-x shell script
2013.10.18 - add destroy-service
2013.10.17 - major change
:add-type :remove-type :list-type :display-type for "remote" call.
look at "new" test-script/market-data.clj for usage!
2013.10.15.1 - debug: global handler now handle "old-event" too
2013.10.15 - added test-script/market-data.clj test code
1. Install:
lein deps
2. Execute: By infinite data generator!!
lein repl
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; inside REPL, you can typ following commands.
;; statement management
(esp :add b1-statement)
(esp :add "select * from LogDataEvent")
(esp :add "select * from ThisDontWorkEvent")
(esp :add "select * from LogDataEvent where WrongSyntax =")
(esp :list)
(esp :remove :s1)
(esp :remove :s2)
(esp :remove :all) ;; <--- try this, mo!!! ;; 2013.10.17
(esp :list)
(esp :display :s0)
;; updated: 2013.10.17
(def market-data-property {"symbol" :string,
"volume" :int,
"price" :double,
"omit" :string })
(esp :add-type "MarketData" market-data-property)
(esp :remove-type "MarketData")
(esp :display-type "MarketData")
(esp :list-type)
;; added: 2013.10.22
(esp :shoot-init)
(esp :shoot 0.2 "MarketData" k [ "IBM", 100, 25.0, "[IBM, 100, 25.0]" ])
;; If you want, you can still used local call, (shoot ....)
;; execute esp
;; to run 1000 events generated from "doc/syslog.2"
(future-call log-data-generator) ;; 2013.10.15 now you need to explicitly type this
(demo 1000)
(demo 10000)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3. Execute: By test data file!!
lein repl
(load-file "test-script/market-data.clj")
(mytest)
;; if you need to "retest", you don't need to restart repl. Instead,
(load-file "test-script/market-data.clj")
(mytest)
;; However, I recommend you need to run repl everytime you do a test.
;; however,
;; Note: Please take a look at market-data.clj at your root folder.
4. Execute as Script:
4.1 Preparation
cat lein_profile >> ~/.lein/profile.clj
lein deps
cp lein-x ~/bin/.
chmod 755 ~/bin/lein-x
4.2 Run
lein-x test-script/market-data.clj
lein-x test-script/market-data.clj "(mytest)"