wip first commit reading orders from console or file

.breakpoints

@@ -0,0 +1,3 @@
+{
+  "files": {}
+}

.cache/replit/__replit_disk_meta.json

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+{"nonce":6607054972745264056,"last_updated":{"seconds":1678914868,"nanos":372311000}}

.cache/replit/modules.stamp

@@ -0,0 +1 @@
+2jmj7l5rSw0yVb_vlWAYkK_YBwk=

.cache/replit/nix/env.json

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+{"entries":{"replit.nix":{"env":{"AR":"ar","AS":"as","CC":"gcc","CONFIG_SHELL":"/nix/store/dsd5gz46hdbdk2rfdimqddhq6m8m8fqs-bash-5.1-p16/bin/bash","CXX":"g++","HOST_PATH":"/nix/store/5wq7080jgnp0j8fc477ql3khl6hbibm2-imagemagick-6.9.12-26-dev/bin:/nix/store/63ncbq2mzg4cc1l6r81rzf1r4zgsdm0a-fftw-double-3.3.10-dev/bin:/nix/store/67n7ypjxgg0k63ysvgyhyfg7paa2hgsx-imagemagick-6.9.12-26/bin:/nix/store/gpxl5qgg8kicmcvivwmybwjlpf7wh20l-graalvm17-ce-22.3.0/bin:/nix/store/6z9ag3ihc8mq2hzsw48lhbznvzny65nz-apache-maven-3.8.6/bin:/nix/store/m6gcpi1ii6rghy04cjwjddcavv7i90df-jdt-language-server-1.9.0/bin:/nix/store/84xs5alhs01zrbr4ywm05kxbjbp5590l-java-debug/bin:/nix/store/a7gvj343m05j2s32xcnwr35v31ynlypr-coreutils-9.1/bin:/nix/store/mydc6f4k2z73xlcz7ilif3v2lcaiqvza-findutils-4.9.0/bin:/nix/store/j9p3g8472iijd50vhdprx0nmk2fqn5gv-diffutils-3.8/bin:/nix/store/89zs7rms6x00xfq4dq6m7mjnhkr8a6r4-gnused-4.8/bin:/nix/store/86bp03jkmsl6f92w0yzg4s59g5mhxwmy-gnugrep-3.7/bin:/nix/store/hwcdqw4jrjnd37wxqgsd47hd0j8bnj09-gawk-5.1.1/bin:/nix/store/cfbhw8r8ags41vwqaz47r583d0p4h4a1-gnutar-1.34/bin:/nix/store/p3m1ndl1lapwrlh698bnb5lvvxh67378-gzip-1.12/bin:/nix/store/a8mhcagrsly7c7mpjrpsnaahk4aax056-bzip2-1.0.8-bin/bin:/nix/store/mblgz65m3zv9x548a3d5m96fj2pbwr09-gnumake-4.3/bin:/nix/store/dsd5gz46hdbdk2rfdimqddhq6m8m8fqs-bash-5.1-p16/bin:/nix/store/v7ljksji50mg3w61dykaa3n3y79n6nil-patch-2.7.6/bin:/nix/store/zlcnmqq14jz5x9439jf937mvayyl63da-xz-5.2.7-bin/bin:/nix/store/y6aj732zm9m87c82fpvf103a1xb22blp-file-5.43/bin","JAVA_HOME":"/nix/store/gpxl5qgg8kicmcvivwmybwjlpf7wh20l-graalvm17-ce-22.3.0","LD":"ld","LOCALE_ARCHIVE":"/usr/lib/locale/locale-archive","NIX_BINTOOLS":"/nix/store/1d6ian3r8kdzspw8hacjhl3xkp40g1lj-binutils-wrapper-2.39","NIX_BINTOOLS_WRAPPER_TARGET_HOST_x86_64_unknown_linux_gnu":"1","NIX_BUILD_CORES":"8","NIX_BUILD_TOP":"/tmp","NIX_CC":"/nix/store/dq0xwmsk1g0i2ayg6pb7y87na2knzylh-gcc-wrapper-11.3.0","NIX_CC_WRAPPER_TARGET_HOST_x86_64_unknown_linux_gnu":"1","NIX_CFLAGS_COMPILE":" 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.classpath

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="target/generated-sources/annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

.project

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>myartifactid</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+	<filteredResources>
+		<filter>
+			<id>1678653352941</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>

.replit

@@ -0,0 +1,59 @@
+compile = "javac -classpath .:target/dependency/* -d . $(find . -type f -name '*.java')"
+run = "java -classpath .:target/dependency/* Main"
+entrypoint = "Main.java"
+hidden = ["**/*.class"]
+
+[packager]
+language = "java"
+
+[packager.features]
+packageSearch = true
+
+[languages.java]
+pattern = "**/*.java"
+
+[languages.java.languageServer]
+start = "jdt-language-server"
+
+[unitTest]
+language = "java"
+
+[nix]
+channel = "stable-22_11"
+
+[debugger]
+support = true
+
+[debugger.compile]
+command = "javac -classpath .:/run_dir/junit-4.12.jar:target/dependency/* -g -d . $(find . -type f -name '*.java')"
+
+[debugger.interactive]
+transport = "localhost:0"
+connectTimeout = 60
+startCommand = "java-debug"
+
+[debugger.interactive.initializeMessage]
+command = "initialize"
+type = "request"
+
+[debugger.interactive.initializeMessage.arguments]
+adapterID = "cppdbg"
+clientID = "replit"
+clientName = "replit.com"
+columnsStartAt1 = true
+linesStartAt1 = true
+locale = "en-us"
+pathFormat = "path"
+supportsInvalidatedEvent = true
+supportsProgressReporting = true
+supportsRunInTerminalRequest = true
+supportsVariablePaging = true
+supportsVariableType = true
+
+[debugger.interactive.launchMessage]
+command = "launch"
+type = "request"
+
+[debugger.interactive.launchMessage.arguments]
+classPaths = ["."]
+mainClass = "Main"

.settings/org.eclipse.jdt.apt.core.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.apt.aptEnabled=false

.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,9 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
+org.eclipse.jdt.core.compiler.processAnnotations=disabled
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17

.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

.upm/store.json

@@ -0,0 +1 @@
+{"version":2,"languages":{"java-maven":{"specfileHash":"3ff69d18804bae1a389cb7ea263f0c5b","lockfileHash":"3ff69d18804bae1a389cb7ea263f0c5b"}}}

Main.java

@@ -0,0 +1,87 @@
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.time.Instant;
+
+import wiki.misie.CentralLimitOrderBook;
+import wiki.misie.Order;
+
+class Main {
+  public static void main(String[] args) throws IOException {
+    CentralLimitOrderBook orderBook = new CentralLimitOrderBook();
+
+    List<Order> orders = new ArrayList<>();
+    if (args.length > 0) {
+      orders.addAll(readOrdersFromTxtFile(args[0]));
+    } else {
+      orders.addAll(readOrdersFromCommandLine());
+    }
+
+    for (Order order : orders) {
+      orderBook.addOrder(order.withTimestamp(Instant.now().getEpochSecond()));
+    }
+  }
+
+  private static List<Order> readOrdersFromTxtFile(String fileName) {
+    List<Order> orders = new ArrayList<>();
+    try (BufferedReader br = new BufferedReader(new FileReader(fileName))) {
+      String line;
+      while ((line = br.readLine()) != null) {
+        String[] parts = line.split(" ");
+        if (parts.length != 3) {
+          System.out.println("Invalid input: " + line);
+          continue;
+        }
+        double price;
+        int quantity;
+        try {
+          price = Double.parseDouble(parts[1]);
+          quantity = Integer.parseInt(parts[2]);
+        } catch (NumberFormatException e) {
+          System.out.println("Invalid input: " + line);
+          continue;
+        }
+        if (parts[0].equalsIgnoreCase("buy")) {
+          orders.add(new Order(Order.Type.BUY, price, quantity));
+        } else if (parts[0].equalsIgnoreCase("sell")) {
+          orders.add(new Order(Order.Type.SELL, price, quantity));
+        } else {
+          System.out.println("Invalid input: " + line);
+        }
+      }
+    } catch (IOException e) {
+      System.out.println("Error reading orders from file: " + e.getMessage());
+    }
+    return orders;
+  }
+
+  private static List<Order> readOrdersFromCommandLine(String[] args) {
+    List<Order> orders = new ArrayList<>();
+    for (String arg : args) {
+      String[] parts = arg.split(" ");
+      if (parts.length != 3) {
+        System.out.println("Invalid input: " + arg);
+        continue;
+      }
+      double price;
+      int quantity;
+      try {
+        price = Double.parseDouble(parts[1]);
+        quantity = Integer.parseInt(parts[2]);
+      } catch (NumberFormatException e) {
+        System.out.println("Invalid input: " + arg);
+        continue;
+      }
+      if (parts[0].equalsIgnoreCase("buy")) {
+        orders.add(new Order(Order.Type.BUY, price, quantity));
+      } else if (parts[0].equalsIgnoreCase("sell")) {
+        orders.add(new Order(Order.Type.SELL, price, quantity));
+      } else {
+        System.out.println("Invalid input: " + arg);
+      }
+    }
+    return orders;
+  }
+}

README.md

@@ -0,0 +1,22 @@
+# Order Book
+
+## Example way to call with args from console
+
+```sh
+java -classpath .:target/dependency/* Main "buy 1000 99" "buy 500 99" "buy 500 98" "buy 1200 98" "sell 2000 101"
+```
+
+## Example with load from file
+
+```sh
+java -classpath .:target/dependency/* Main "orders.txt"
+```
+
+example orders.txt file
+
+```
+buy 100.5 10
+sell 101.2 5
+buy 99.5 20
+sell 101.0 15
+```