commit ba2fb856fa3a8d37f9049ebdf795d5baa084b8a8 Author: Imbus Date: Thu Sep 28 20:08:58 2023 +0200 Initial diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..097f9f9 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,9 @@ +# +# https://help.github.com/articles/dealing-with-line-endings/ +# +# Linux start script should use lf +/gradlew text eol=lf + +# These are Windows script files and should use crlf +*.bat text eol=crlf + diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..135392e --- /dev/null +++ b/.gitignore @@ -0,0 +1,57 @@ +# Ignore Gradle project-specific cache directory +.gradle + +# Ignore Gradle build output directory +build +**/build/ +!src/**/build/ + +# Ignore Gradle GUI config +gradle-app.setting + +# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored) +!gradle-wrapper.jar + +# Avoid ignore Gradle wrappper properties +!gradle-wrapper.properties + +# Cache of project +.gradletasknamecache + +# Eclipse Gradle plugin generated files +# Eclipse Core +.project +# JDT-specific (Eclipse Java Development Tools) +.classpath + +### Gradle Patch ### +# Java heap dump +*.hprof + +### Java ### +# Compiled class file +*.class + +# Log file +*.log + +# BlueJ files +*.ctxt + +# Mobile Tools for Java (J2ME) +.mtj.tmp/ + +# Package Files # +*.jar +*.war +*.nar +*.ear +*.zip +*.tar.gz +*.rar + +# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml +hs_err_pid* +replay_pid* + +.vscode \ No newline at end of file diff --git a/app/build.gradle.kts b/app/build.gradle.kts new file mode 100644 index 0000000..ff0e845 --- /dev/null +++ b/app/build.gradle.kts @@ -0,0 +1,44 @@ +/* + * This file was generated by the Gradle 'init' task. + * + * This generated file contains a sample Java application project to get you started. + * For more details on building Java & JVM projects, please refer to https://docs.gradle.org/8.3/userguide/building_java_projects.html in the Gradle documentation. + * This project uses @Incubating APIs which are subject to change. + */ + +plugins { + // Apply the application plugin to add support for building a CLI application in Java. + application +} + +repositories { + // Use Maven Central for resolving dependencies. + mavenCentral() +} + +dependencies { + // This dependency is used by the application. + implementation("com.google.guava:guava:32.1.1-jre") +} + +testing { + suites { + // Configure the built-in test suite + val test by getting(JvmTestSuite::class) { + // Use JUnit Jupiter test framework + useJUnitJupiter("5.9.3") + } + } +} + +// Apply a specific Java toolchain to ease working on different environments. +java { + toolchain { + languageVersion.set(JavaLanguageVersion.of(17)) + } +} + +application { + // Define the main class for the application. + mainClass.set("simulation.MainSimulation") +} diff --git a/app/src/main/java/simulation/Event.java b/app/src/main/java/simulation/Event.java new file mode 100644 index 0000000..a47928d --- /dev/null +++ b/app/src/main/java/simulation/Event.java @@ -0,0 +1,7 @@ +package simulation; + +class Event{ + public double eventTime; + public int eventType; + public Event next; +} diff --git a/app/src/main/java/simulation/EventList.java b/app/src/main/java/simulation/EventList.java new file mode 100644 index 0000000..fb469a3 --- /dev/null +++ b/app/src/main/java/simulation/EventList.java @@ -0,0 +1,35 @@ +package simulation; + +public class EventList{ + + private Event list, last; + + EventList(){ + list = new Event(); + last = new Event(); + list.next = last; + } + + public void InsertEvent(int type, double TimeOfEvent){ + Event dummy, predummy; + Event newEvent = new Event(); + newEvent.eventType = type; + newEvent.eventTime = TimeOfEvent; + predummy = list; + dummy = list.next; + while ((dummy.eventTime < newEvent.eventTime) & (dummy != last)){ + predummy = dummy; + dummy = dummy.next; + } + predummy.next = newEvent; + newEvent.next = dummy; + } + + public Event FetchEvent(){ + Event dummy; + dummy = list.next; + list.next = dummy.next; + dummy.next = null; + return dummy; + } +} diff --git a/app/src/main/java/simulation/GlobalSimulation.java b/app/src/main/java/simulation/GlobalSimulation.java new file mode 100644 index 0000000..317e084 --- /dev/null +++ b/app/src/main/java/simulation/GlobalSimulation.java @@ -0,0 +1,6 @@ +package simulation; + +public class GlobalSimulation{ + public static final int ARRIVAL = 1, READY = 2, MEASURE = 3; + public static double time = 0; +} diff --git a/app/src/main/java/simulation/MainSimulation.java b/app/src/main/java/simulation/MainSimulation.java new file mode 100644 index 0000000..c6ac416 --- /dev/null +++ b/app/src/main/java/simulation/MainSimulation.java @@ -0,0 +1,21 @@ +package simulation; + +import java.io.*; + +public class MainSimulation extends GlobalSimulation{ + + public static void main(String[] args) throws IOException { + Event actEvent; + EventList myEventList = new EventList(); + State actState = new State(myEventList); + myEventList.InsertEvent(ARRIVAL, 0); + myEventList.InsertEvent(MEASURE, 5); + while (time < 50000){ + actEvent = myEventList.FetchEvent(); + time = actEvent.eventTime; + actState.TreatEvent(actEvent); + } + System.out.println("Mean number of customers: " + 1.0*actState.accumulated/actState.noMeasurements); + System.out.println("Number of measurements done: " + actState.noMeasurements); + } +} \ No newline at end of file diff --git a/app/src/main/java/simulation/State.java b/app/src/main/java/simulation/State.java new file mode 100644 index 0000000..29cff41 --- /dev/null +++ b/app/src/main/java/simulation/State.java @@ -0,0 +1,58 @@ +package simulation; + +import java.util.*; + +class State extends GlobalSimulation{ + + public int numberInQueue = 0, accumulated = 0, noMeasurements = 0; + + private EventList myEventList; + + Random slump = new Random(); + + State(EventList x){ + myEventList = x; + } + + private void InsertEvent(int event, double timeOfEvent){ + myEventList.InsertEvent(event, timeOfEvent); + } + + + public void TreatEvent(Event x){ + switch (x.eventType){ + case ARRIVAL: + arrival(); + break; + case READY: + ready(); + break; + case MEASURE: + measure(); + break; + } + } + + private double generateMean(double mean){ + return 2*mean*slump.nextDouble(); + } + + private void arrival(){ + if (numberInQueue == 0) + InsertEvent(READY, time + generateMean(1)); + numberInQueue++; + InsertEvent(ARRIVAL, time + generateMean(2)); + } + + private void ready(){ + numberInQueue--; + if (numberInQueue > 0) + InsertEvent(READY, time + generateMean(1)); + } + + private void measure(){ + accumulated = accumulated + numberInQueue; + noMeasurements++; + InsertEvent(MEASURE, time + generateMean(5)); + } +} \ No newline at end of file diff --git a/app/src/test/java/simulation/AppTest.java b/app/src/test/java/simulation/AppTest.java new file mode 100644 index 0000000..4b9352a --- /dev/null +++ b/app/src/test/java/simulation/AppTest.java @@ -0,0 +1,12 @@ +package simulation; + +// import org.junit.jupiter.api.Test; +// import static org.junit.jupiter.api.Assertions.*; + +// No defined tests yet +class AppTest { + // @Test void appHasAGreeting() { + // App classUnderTest = new App(); + // assertNotNull(classUnderTest.getGreeting(), "app should have a greeting"); + // } +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..18f452c --- /dev/null +++ b/gradle.properties @@ -0,0 +1,6 @@ +# This file was generated by the Gradle 'init' task. +# https://docs.gradle.org/current/userguide/build_environment.html#sec:gradle_configuration_properties + +org.gradle.parallel=true +org.gradle.caching=true + diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..ac72c34 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..0adc8e1 --- /dev/null +++ b/gradlew @@ -0,0 +1,249 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..93e3f59 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..2bc6fa9 --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,15 @@ +/* + * This file was generated by the Gradle 'init' task. + * + * The settings file is used to specify which projects to include in your build. + * For more detailed information on multi-project builds, please refer to https://docs.gradle.org/8.3/userguide/building_swift_projects.html in the Gradle documentation. + * This project uses @Incubating APIs which are subject to change. + */ + +plugins { + // Apply the foojay-resolver plugin to allow automatic download of JDKs + id("org.gradle.toolchains.foojay-resolver-convention") version "0.4.0" +} + +rootProject.name = "simulation" +include("app")