initial

.gitignore

@@ -0,0 +1,148 @@
+
+# Created by https://www.gitignore.io/api/sbt,scala,intellij+iml,intellij+all
+# Edit at https://www.gitignore.io/?templates=sbt,scala,intellij+iml,intellij+all
+
+### Intellij+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij+all Patch ###
+# Ignores the whole .idea folder and all .iml files
+# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
+
+.idea/
+
+# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
+
+*.iml
+modules.xml
+.idea/misc.xml
+*.ipr
+
+### Intellij+iml ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+
+# Generated files
+
+# Sensitive or high-churn files
+
+# Gradle
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+
+# CMake
+
+# Mongo Explorer plugin
+
+# File-based project format
+
+# IntelliJ
+
+# mpeltonen/sbt-idea plugin
+
+# JIRA plugin
+
+# Cursive Clojure plugin
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+
+# Editor-based Rest Client
+
+# Android studio 3.1+ serialized cache file
+
+### Intellij+iml Patch ###
+# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
+
+
+### SBT ###
+# Simple Build Tool
+# http://www.scala-sbt.org/release/docs/Getting-Started/Directories.html#configuring-version-control
+
+dist/*
+target/
+lib_managed/
+src_managed/
+project/boot/
+project/plugins/project/
+.history
+.cache
+.lib/
+
+### Scala ###
+*.class
+*.log
+
+# End of https://www.gitignore.io/api/sbt,scala,intellij+iml,intellij+all

README.md

@@ -1,2 +1,18 @@
-# ordersmatcher
-Stock orders matcher based on Akka Actors.
+# Stock Orders Matcher
+
+## Intro
+
+Reads client.txt and orders.txt from resources.
+Produces result.txt with final account states.
+
+## How to run
+```
+sbt run
+```
+
+## Features
+* self-orders prevention (covered by unit-test also).
+* Negative stock accounts are allowed for simplicity.
+* Implemented in Akka Actors to make parallelization of operations possible.
+* Features `become` and `stash` patterns from Akka Actors.
+* Debug level is on by default, to play with market evolution.

Readme.md

@@ -0,0 +1,19 @@
+# Stock Matcher
+
+## Intro
+
+Reads client.txt and orders.txt from resources.
+Produces result.txt with final account states.
+
+## How to run
+```
+sbt run
+```
+
+
+
+## Features
+* self-orders are not allowed (covered by unit-test also).
+* Negative stock accounts are allowed for simplicity.
+* Debug is on by default, to play market evolution.
+* Implemented in Akka Actors to make parallelization of operations possible.

build.sbt

@@ -0,0 +1,12 @@
+name := "orders-matcher"
+
+version := "0.1"
+
+scalaVersion := "2.12.7"
+
+libraryDependencies ++= Seq(
+  "com.typesafe.akka" %% "akka-actor" % "2.5.17",
+  "org.scalatest" % "scalatest_2.12" % "3.0.5" % "test",
+  "com.typesafe.akka" %% "akka-slf4j" % "2.5.17",
+  "ch.qos.logback" % "logback-classic" % "1.2.3"
+)

project/build.properties

@@ -0,0 +1 @@
+sbt.version = 1.2.6

result.txt

@@ -0,0 +1,9 @@
+C1	-5999	170	411	1087	567
+C2	2002	386	-19	1105	767
+C3	10048	-221	-167	-200	-289
+C4	-14016	856	1053	724	1872
+C5	1760	-110	-114	526	72
+C6	-7176	1672	556	61	-119
+C7	-4123	-29	-43	1231	-66
+C8	23054	-397	-26	-522	-601
+C9	20920	-187	-51	-532	7

src/main/resources/application.conf

@@ -0,0 +1,17 @@
+akka {
+
+  # Loggers to register at boot time (akka.event.Logging$DefaultLogger logs
+  # to STDOUT)
+  loggers = ["akka.event.slf4j.Slf4jLogger"]
+
+  # Log level used by the configured loggers (see "loggers") as soon
+  # as they have been started; before that, see "stdout-loglevel"
+  # Options: OFF, ERROR, WARNING, INFO, DEBUG
+  loglevel = "DEBUG"
+
+  # Log level for the very basic logger activated during ActorSystem startup.
+  # This logger prints the log messages to stdout (System.out).
+  # Options: OFF, ERROR, WARNING, INFO, DEBUG
+  stdout-loglevel = "DEBUG"
+
+}

src/main/resources/clients.txt

@@ -0,0 +1,9 @@
+C1	1000	130	240	760	320
+C2	4350	370	120	950	560
+C3	2760	0	0	0	0
+C4	560	450	540	480	950
+C5	1500	0	0	400	100
+C6	1300	890	320	100	0
+C7	750	20	0	790	0
+C8	7000	90	190	0	0
+C9	7250	190	190	0	280