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MrGeorgen
2021-03-21 22:34:36 +01:00
parent 79dd7d1e10
commit d3768eb623
13 changed files with 498 additions and 0 deletions
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.gitattributes vendored Normal file
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#
# https://help.github.com/articles/dealing-with-line-endings/
#
# These are explicitly windows files and should use crlf
*.bat text eol=crlf

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.gitignore vendored
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@ -39,3 +39,8 @@ gradle-app.setting
# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898 # # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
# gradle/wrapper/gradle-wrapper.properties # gradle/wrapper/gradle-wrapper.properties
# Ignore Gradle build output directory
build
class_diagram.plantuml

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build.gradle Normal file
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plugins {
id "com.github.roroche.plantuml" version "1.0.2" // (1)
id "org.fmiw.plantuml" version "0.1"
}
apply plugin: 'java'
apply plugin: 'application'
mainClassName = 'de.mrgeorgen.v2g.powerGrid'
// tag::repositories[]
repositories {
mavenCentral()
}
// end::repositories[]
// tag::jar[]
jar {
archiveBaseName = 'v2g'
archiveVersion = '0.1.0'
}
// end::jar[]
// tag::dependencies[]
sourceCompatibility = 1.8
targetCompatibility = 1.8
dependencies {
}
classDiagram {
packageName = 'de.mrgeorgen.v2g'
outputFile = project.file('class_diagram.plantuml')
}
plantuml {
options {
format = 'png'
}
diagrams {
class_diagram {
sourceFile = project.file('class_diagram_custom.plantuml')
}
}
}
buildClassDiagram.dependsOn(build)

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class_diagram_custom.plantuml Normal file
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@startuml
class "car" {
battery : int
fullBattery : int
chargeLock : int
chargeSpeed : int
model : String
id : int
charge()
setChargeLock(double chargeLock)
double getBatteryRelativ()
}
class "carGrid" {
dockedCars : ArrayList<car>
models : carTemplate[]
chargeCars()
fillWithCars()
}
class "carTemplate" {
model : String
chargeSpeed : int
fullBattery : int
range : int
}
class "powerGrid" {
energieAvailable : int
}
"carGrid" --> "*" "car" : dockedCars
"powerGrid" --> "carGrid"
"carGrid" --> "carTemplate"
@enduml

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gradle/wrapper/gradle-wrapper.jar vendored Normal file
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gradle/wrapper/gradle-wrapper.properties vendored Normal file
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.8-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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gradlew vendored Executable file
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#!/usr/bin/env sh
#
# Copyright 2015 the original author or 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 UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$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: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

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@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=.
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%" == "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%"=="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!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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/*
* This file was generated by the Gradle 'init' task.
*
* The settings file is used to specify which projects to include in your build.
*
* Detailed information about configuring a multi-project build in Gradle can be found
* in the user manual at https://docs.gradle.org/6.8/userguide/multi_project_builds.html
*/
rootProject.name = 'v2g'

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src/main/java/de/mrgeorgen/v2g/car.java Normal file
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package de.mrgeorgen.v2g;
public class car {
private int battery;
private final int fullBattery;
private int chargeLock;
private final int chargeSpeed;
private final String model;
private final int id;
public car(String model, int fullBattery, int chargeSpeed, int id) { // id can be the same for different models
this.fullBattery = 1000 * fullBattery; // convert kWh to Wh
this.chargeSpeed = chargeSpeed * 1000; // convert kW to W
this.setChargeLock(0.6);
this.id = id;
this.model = model;
this.battery = this.fullBattery / 2;
}
public void charge() {
int chargeAmmount = Math.abs(powerGrid.energieAvailable) < this.chargeSpeed ? powerGrid.energieAvailable : powerGrid.energieAvailable > 0 ? this.chargeSpeed : -1 * this.chargeSpeed;
if(this.battery + chargeAmmount <= this.chargeLock && chargeAmmount < 0) chargeAmmount = (this.battery - this.chargeLock) * -1; // do not charge if the car gets under the charge lock
if(this.battery + chargeAmmount > this.fullBattery) chargeAmmount = this.fullBattery - this.battery; // prevent the battery from overcharging
if(this.battery + chargeAmmount < 0) chargeAmmount = this.battery * -1; // prevent the battery from dischargingunder 0%
if(chargeAmmount != 0) System.out.println(this.model + " nr. " + this.id + " is " + (chargeAmmount < 0 ? "dis" : "") + "charging with " + (double)Math.abs(chargeAmmount) / 1000 + " kW. battery: " + (double)this.battery / 1000 + "/" + (double)this.fullBattery / 1000 + " kWh (" + Math.round(getBatteryRelativ() * 100) + "%)");
this.battery += chargeAmmount;
powerGrid.energieAvailable -= chargeAmmount;
}
public void setChargeLock(double chargeLock) {
this.chargeLock = (int)(this.fullBattery * chargeLock);
}
public double getBatteryRelativ() {
return (double)this.battery / this.fullBattery;
}
}

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src/main/java/de/mrgeorgen/v2g/carGrid.java Normal file
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package de.mrgeorgen.v2g;
import java.util.ArrayList;
import java.util.Random;
import java.util.Collections;
import java.util.Comparator;
import java.lang.Double;
public class carGrid {
public ArrayList<car> dockedCars = new ArrayList<car>();
private final carTemplate[] models = {new carTemplate("Tesla Model 3", 50, 160, 335),
new carTemplate("Renault Zoe ZE50", 52, 46, 315),
new carTemplate("BMW i3", 38, 49, 235),
new carTemplate("Nissan Leaf", 36, 46, 220),
new carTemplate("Volkswagen ID.4", 150, 125, 400),
new carTemplate("Tesla Model S Long Range", 90, 250, 555),
new carTemplate("Smart EQ forfour", 17, 5, 95),
new carTemplate("Honda e", 29, 56, 170)};
public void fillWithCars() {
Random random = new Random();
for(carTemplate carModel : models) {
final int numberOfCars = random.nextInt(10);
for(int i = 0; i < numberOfCars; ++i) {
dockedCars.add(new car(carModel.model, carModel.fullBattery, carModel.chargeSpeed, i));
}
}
}
public void chargeCars() {
Collections.sort(dockedCars, new Comparator<car>() {
public int compare(car car1, car car2) {
Double car1RelativBattery = car1.getBatteryRelativ();
Double car2RelativBattery = car2.getBatteryRelativ();
return car1RelativBattery.compareTo(car2RelativBattery);
}
});
if(powerGrid.energieAvailable < 0) Collections.reverse(dockedCars);
dockedCars.forEach((car car) -> {
car.charge();
});
if(powerGrid.energieAvailable > 0) System.out.println(powerGrid.energieAvailable + " W could not be used by the cars");
else if(powerGrid.energieAvailable < 0) System.out.println(Math.abs(powerGrid.energieAvailable) + " W could not be taken from the cars");
}
}

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src/main/java/de/mrgeorgen/v2g/carTemplate.java Normal file
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package de.mrgeorgen.v2g;
public class carTemplate {
public final String model;
public final int chargeSpeed;
public final int fullBattery;
public final int range;
public carTemplate(String model, int fullBattery, int chargeSpeed, int range) {
this.model = model;
this.chargeSpeed = chargeSpeed;
this.fullBattery = fullBattery;
this.range = range;
}
}

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src/main/java/de/mrgeorgen/v2g/powerGrid.java Normal file
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package de.mrgeorgen.v2g;
import java.util.Random;
public class powerGrid {
public static int energieAvailable;
public static void main(String args[]) {
final carGrid carGrid = new carGrid();
if(args.length != 1) {
System.out.println("Invalid Syntax. Use the number of days the simulation shell run as the first argument");
return;
}
carGrid.fillWithCars();
final int hourSimulationRuns = Integer.parseInt(args[0]) * 24;
Random random = new Random();
for(int houresPassed = 0; houresPassed < hourSimulationRuns; ++houresPassed) {
final int hourOfDay = houresPassed % 24;
System.out.println("Day " + houresPassed / 24 + " Hour " + hourOfDay);
int averageEnergie;
if(hourOfDay < 6 || hourOfDay > 22) averageEnergie = carGrid.dockedCars.size() * 3000; // energie available at night
else if(hourOfDay < 7) averageEnergie = carGrid.dockedCars.size() * -1000; // energie for light in the morning
else if(hourOfDay < 19) averageEnergie = carGrid.dockedCars.size() * -500; // at the day energie is still needed but not as much because the lights are not on
else /* hourOfDay > 19 && hourOfDay < 23 */ averageEnergie = carGrid.dockedCars.size() * -1000; // the lights are on again
energieAvailable = (int)(averageEnergie * (0.5 + 1.5 * random.nextDouble()));
carGrid.chargeCars();
}
}
}