diff --git a/Task_2_2_1/.gitignore b/Task_2_2_1/.gitignore new file mode 100644 index 0000000..b63da45 --- /dev/null +++ b/Task_2_2_1/.gitignore @@ -0,0 +1,42 @@ +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/Task_2_2_1/.idea/.gitignore b/Task_2_2_1/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/Task_2_2_1/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/Task_2_2_1/.idea/gradle.xml b/Task_2_2_1/.idea/gradle.xml new file mode 100644 index 0000000..2a65317 --- /dev/null +++ b/Task_2_2_1/.idea/gradle.xml @@ -0,0 +1,17 @@ + + + + + + + \ No newline at end of file diff --git a/Task_2_2_1/.idea/misc.xml b/Task_2_2_1/.idea/misc.xml new file mode 100644 index 0000000..d5d5cd9 --- /dev/null +++ b/Task_2_2_1/.idea/misc.xml @@ -0,0 +1,7 @@ + + + + + + + \ No newline at end of file diff --git a/Task_2_2_1/.idea/vcs.xml b/Task_2_2_1/.idea/vcs.xml new file mode 100644 index 0000000..6c0b863 --- /dev/null +++ b/Task_2_2_1/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/Task_2_2_1/build.gradle b/Task_2_2_1/build.gradle new file mode 100644 index 0000000..a8b94eb --- /dev/null +++ b/Task_2_2_1/build.gradle @@ -0,0 +1,31 @@ +plugins { + id 'java' + id 'jacoco' + id 'idea' +} + +group = 'ru.nsu.nmashkin.task221' +version = '1.0-SNAPSHOT' + +repositories { + mavenCentral() +} + +dependencies { + testImplementation platform('org.junit:junit-bom:5.10.0') + testImplementation 'org.junit.jupiter:junit-jupiter' + testRuntimeOnly 'org.junit.platform:junit-platform-launcher' + implementation 'com.fasterxml.jackson.core:jackson-databind:2.15.2' + implementation 'com.fasterxml.jackson.core:jackson-core:2.15.2' + implementation 'com.fasterxml.jackson.core:jackson-annotations:2.15.2' +} + +test { + useJUnitPlatform() +} + +jacocoTestReport { + reports { + xml.required = true + } +} \ No newline at end of file diff --git a/Task_2_2_1/gradle/wrapper/gradle-wrapper.jar b/Task_2_2_1/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/Task_2_2_1/gradle/wrapper/gradle-wrapper.jar differ diff --git a/Task_2_2_1/gradle/wrapper/gradle-wrapper.properties b/Task_2_2_1/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..450edaf --- /dev/null +++ b/Task_2_2_1/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Fri Mar 06 11:19:22 NOVT 2026 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/Task_2_2_1/gradlew b/Task_2_2_1/gradlew new file mode 100644 index 0000000..1b6c787 --- /dev/null +++ b/Task_2_2_1/gradlew @@ -0,0 +1,234 @@ +#!/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/master/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 + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&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: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$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 + +# 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 "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# 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/Task_2_2_1/gradlew.bat b/Task_2_2_1/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/Task_2_2_1/gradlew.bat @@ -0,0 +1,89 @@ +@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 diff --git a/Task_2_2_1/pizzeria_config.json b/Task_2_2_1/pizzeria_config.json new file mode 100644 index 0000000..02e4907 --- /dev/null +++ b/Task_2_2_1/pizzeria_config.json @@ -0,0 +1,13 @@ +{ + "bakers": [ + {"cookingTimeSeconds": 3}, + {"cookingTimeSeconds": 4}, + {"cookingTimeSeconds": 5} + ], + "couriers": [ + {"capacity": 2}, + {"capacity": 3} + ], + "storageCapacity": 10, + "orderCount": 100 +} \ No newline at end of file diff --git a/Task_2_2_1/settings.gradle b/Task_2_2_1/settings.gradle new file mode 100644 index 0000000..6099534 --- /dev/null +++ b/Task_2_2_1/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'Task_2_2_1' \ No newline at end of file diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Baker.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Baker.java new file mode 100644 index 0000000..5199588 --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Baker.java @@ -0,0 +1,71 @@ +package ru.nsu.nmashkin.task221; + +import com.fasterxml.jackson.annotation.JsonProperty; + +/** + * Baker class. + */ +public class Baker implements Runnable { + @JsonProperty("cookingTimeSeconds") + private int cookingTimeSeconds; + private OrderQueue orderQueue; + private Storage storage; + + /** + * Constructor for JSON. + */ + public Baker() {} + + /** + * . + * + * @param orderQueue . + */ + public void setOrderQueue(OrderQueue orderQueue) { + this.orderQueue = orderQueue; + } + + /** + * . + * + * @param storage . + */ + public void setStorage(Storage storage) { + this.storage = storage; + } + + /** + * . + * + * @return . + */ + public int getCookingTimeSeconds() { + return cookingTimeSeconds; + } + + /** + * . + */ + @Override + public void run() { + while (true) { + try { + Order order = orderQueue.takeOrder(); + if (order == null) { + storage.bakerStopped(); + break; + } + + order.setState(Order.OrderState.COOKING); + + Thread.sleep(cookingTimeSeconds * 100L); + + storage.addPizza(order); + } catch (InterruptedException e) { + Thread.currentThread().interrupt(); + storage.bakerStopped(); + break; + } + } + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Courier.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Courier.java new file mode 100644 index 0000000..22eb6aa --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Courier.java @@ -0,0 +1,60 @@ +package ru.nsu.nmashkin.task221; + +import com.fasterxml.jackson.annotation.JsonProperty; +import java.util.Queue; + +/** + * Courier class. + */ +public class Courier implements Runnable { + @JsonProperty("capacity") + private int capacity; + private Storage storage; + + /** + * Constructor for JSON. + */ + public Courier() {} + + /** + * . + * + * @param storage . + */ + public void setStorage(Storage storage) { + this.storage = storage; + } + + /** + * . + * + * @return . + */ + public int getCapacity() { + return capacity; + } + + /** + * . + */ + @Override + public void run() { + while (true) { + try { + Queue orders = storage.takePizzas(capacity); + if (orders == null) { + break; + } + + for (Order order : orders) { + Thread.sleep(order.getDeliveryTime() * 100L); + order.setState(Order.OrderState.COMPLETED); + } + + } catch (InterruptedException e) { + Thread.currentThread().interrupt(); + break; + } + } + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Order.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Order.java new file mode 100644 index 0000000..0cc8b9d --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Order.java @@ -0,0 +1,101 @@ +package ru.nsu.nmashkin.task221; + +import java.util.Objects; + +/** + * Order class. + */ +public class Order { + private final int id; + private final int deliveryTime; + private volatile OrderState state; + + /** + * Enum for state of order. + */ + public enum OrderState { + QUEUED, + COOKING, + IN_STORAGE, + DELIVERING, + COMPLETED, + } + + /** + * Order constructor. + * + * @param id . + * @param deliveryTime . + */ + public Order(int id, int deliveryTime) { + this.id = id; + this.state = OrderState.QUEUED; + this.deliveryTime = deliveryTime; + } + + /** + * Set order state. + * + * @param state . + */ + public void setState(OrderState state) { + this.state = state; + System.out.println(this); + } + + /** + * . + * + * @return . + */ + public OrderState getState() { + return state; + } + + /** + * Get order delivery time. + * + * @return . + */ + public int getDeliveryTime() { + return deliveryTime; + } + + /** + * . + * + * @return . + */ + @Override + public String toString() { + return String.format("[%d] %s", id, state); + } + + /** + * . + * + * @param o the reference object with which to compare. + * @return . + */ + @Override + public boolean equals(Object o) { + if (o == null || getClass() != o.getClass()) { + return false; + } + + Order order = (Order) o; + return id == order.id + && getDeliveryTime() == order.getDeliveryTime() + && state == order.state; + } + + /** + * . + * + * @return . + */ + @Override + public int hashCode() { + return Objects.hash(id, getDeliveryTime(), state); + } +} diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/OrderGenerator.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/OrderGenerator.java new file mode 100644 index 0000000..e8cf859 --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/OrderGenerator.java @@ -0,0 +1,41 @@ +package ru.nsu.nmashkin.task221; + +import java.util.Random; + +/** + * Order Generator. + */ +public class OrderGenerator implements Runnable { + private final Random random = new Random(); + private final OrderQueue orderQueue; + private final int orderCnt; + + /** + * Constructor. + * + * @param orderCnt . + * @param orderQueue . + */ + public OrderGenerator(int orderCnt, OrderQueue orderQueue) { + this.orderCnt = orderCnt; + this.orderQueue = orderQueue; + } + + /** + * . + */ + @Override + public void run() { + for (int i = 0; i < orderCnt; i++) { + try { + Order order = new Order(i * 67, random.nextInt(3, 10)); + orderQueue.addOrder(order); + + Thread.sleep(random.nextInt(5, 100)); + } catch (InterruptedException e) { + Thread.currentThread().interrupt(); + break; + } + } + } +} diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/OrderQueue.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/OrderQueue.java new file mode 100644 index 0000000..48494c3 --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/OrderQueue.java @@ -0,0 +1,72 @@ +package ru.nsu.nmashkin.task221; + +import java.util.LinkedList; +import java.util.Queue; + +/** + * Order (Blocking) Queue. + */ +public class OrderQueue { + private final Queue orders = new LinkedList<>(); + private final Object monitor = new Object(); + private final Storage storage; + private boolean acceptingOrders = true; + + /** + * . + * + * @param storage . + */ + public OrderQueue(Storage storage) { + this.storage = storage; + } + + /** + * . + * + * @param order . + */ + public void addOrder(Order order) { + synchronized (monitor) { + if (!acceptingOrders) { + return; + } + + orders.add(order); + monitor.notify(); + } + } + + /** + * . + * + * @return . + * @throws InterruptedException . + */ + public Order takeOrder() throws InterruptedException { + synchronized (monitor) { + while (orders.isEmpty() && acceptingOrders) { + monitor.wait(); + } + if (!acceptingOrders && orders.isEmpty()) { + return null; + } + + Order result = orders.poll(); + if (!acceptingOrders && orders.isEmpty()) { + storage.noMoreOrders(); + } + return result; + } + } + + /** + * . + */ + public void stopAcceptingOrders() { + synchronized (monitor) { + acceptingOrders = false; + monitor.notifyAll(); + } + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Pizzeria.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Pizzeria.java new file mode 100644 index 0000000..525c8eb --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Pizzeria.java @@ -0,0 +1,64 @@ +package ru.nsu.nmashkin.task221; + +import com.fasterxml.jackson.databind.ObjectMapper; +import java.io.File; +import java.util.ArrayList; +import java.util.List; + +/** + * Main class. + */ +public class Pizzeria { + /** + * . + * + * @param args args[0] - config name. + */ + public static void main(String[] args) { + try { + ObjectMapper mapper = new ObjectMapper(); + PizzeriaConfig config = mapper.readValue( + new File(args[0]), + PizzeriaConfig.class + ); + + Storage storage = new Storage(config.getStorageCapacity(), config.getBakers().size()); + OrderQueue queue = new OrderQueue(storage); + + List bakerThreads = new ArrayList<>(); + List courierThreads = new ArrayList<>(); + + for (Baker baker : config.getBakers()) { + baker.setOrderQueue(queue); + baker.setStorage(storage); + + Thread thread = new Thread(baker); + bakerThreads.add(thread); + thread.start(); + } + for (Courier courier : config.getCouriers()) { + courier.setStorage(storage); + + Thread thread = new Thread(courier); + courierThreads.add(thread); + thread.start(); + } + + OrderGenerator generator = new OrderGenerator(config.getOrderCount(), queue); + Thread generatorThread = new Thread(generator); + generatorThread.start(); + + generatorThread.join(); + queue.stopAcceptingOrders(); + + for (Thread thread : bakerThreads) { + thread.join(); + } + for (Thread thread : courierThreads) { + thread.join(); + } + } catch (Exception e) { + System.err.println("Not today, pal!"); + } + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/PizzeriaConfig.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/PizzeriaConfig.java new file mode 100644 index 0000000..1d24a10 --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/PizzeriaConfig.java @@ -0,0 +1,49 @@ +package ru.nsu.nmashkin.task221; + +import java.util.List; + +/** + * Config class for JSON mapping. + */ +public class PizzeriaConfig { + private List bakers; + private List couriers; + private int storageCapacity; + private int orderCount; + + /** + * Get bakers. + * + * @return bakers + */ + public List getBakers() { + return bakers; + } + + /** + * Get courier. + * + * @return courier + */ + public List getCouriers() { + return couriers; + } + + /** + * Get storageCapacity. + * + * @return storageCapacity + */ + public int getStorageCapacity() { + return storageCapacity; + } + + /** + * Get orderCount. + * + * @return . + */ + public int getOrderCount() { + return orderCount; + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Storage.java b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Storage.java new file mode 100644 index 0000000..0c93e29 --- /dev/null +++ b/Task_2_2_1/src/main/java/ru/nsu/nmashkin/task221/Storage.java @@ -0,0 +1,94 @@ +package ru.nsu.nmashkin.task221; + +import java.util.LinkedList; +import java.util.Queue; +import java.util.concurrent.atomic.AtomicInteger; + +/** + * Storage class. + */ +public class Storage { + private final int capacity; + private final Queue pizzas = new LinkedList<>(); + private final Object monitor = new Object(); + private boolean ordersComing = true; + private final AtomicInteger bakerCnt = new AtomicInteger(); + + /** + * Storage constructor. + * + * @param capacity . + */ + public Storage(int capacity, int bakerCnt) { + this.capacity = capacity; + this.bakerCnt.set(bakerCnt); + } + + /** + * Add pizza to storage. Blocks if storage is full. + * + * @param order . + * @throws InterruptedException . + */ + public void addPizza(Order order) throws InterruptedException { + synchronized (monitor) { + while (pizzas.size() >= capacity) { + monitor.wait(); + } + + pizzas.add(order); + order.setState(Order.OrderState.IN_STORAGE); + monitor.notifyAll(); + } + } + + /** + * Take up to maxCount pizzas from storage. + * + * @param maxCount . + * @return . + * @throws InterruptedException . + */ + public Queue takePizzas(int maxCount) throws InterruptedException { + synchronized (monitor) { + while (pizzas.isEmpty() && (ordersComing || bakerCnt.get() != 0)) { + monitor.wait(); + } + + if (!ordersComing && pizzas.isEmpty() && bakerCnt.get() == 0) { + return null; + } + + Queue taken = new LinkedList<>(); + int count = Math.min(maxCount, pizzas.size()); + for (int i = 0; i < count; i++) { + Order order = pizzas.poll(); + if (order == null) { + break; + } + + order.setState(Order.OrderState.DELIVERING); + taken.add(order); + } + monitor.notifyAll(); + return taken; + } + } + + /** + * Promise that there will be no orders added to the order queue. + */ + public void noMoreOrders() { + synchronized (monitor) { + ordersComing = false; + monitor.notifyAll(); + } + } + + /** + * Baker reports that he has stopper working. + */ + public void bakerStopped() { + bakerCnt.decrementAndGet(); + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/OrderQueueTest.java b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/OrderQueueTest.java new file mode 100644 index 0000000..f5dbcb3 --- /dev/null +++ b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/OrderQueueTest.java @@ -0,0 +1,35 @@ +package ru.nsu.nmashkin.task221; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNull; + +import org.junit.jupiter.api.Test; + +class OrderQueueTest { + + @Test + void takeOrder() { + OrderQueue queue = new OrderQueue(new Storage(69, 0)); + try { + Order order = new Order(0, 67); + queue.addOrder(order); + assertEquals(order, queue.takeOrder()); + } catch (InterruptedException e) { + System.err.println("Not today, pal!"); + } + } + + @Test + void stopAcceptingOrders() { + OrderQueue queue = new OrderQueue(new Storage(69, 0)); + try { + Order order = new Order(0, 67); + queue.addOrder(order); + queue.takeOrder(); + queue.stopAcceptingOrders(); + assertNull(queue.takeOrder()); + } catch (InterruptedException e) { + System.err.println("Not today, pal!"); + } + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/PizzeriaConfigTest.java b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/PizzeriaConfigTest.java new file mode 100644 index 0000000..fab50c7 --- /dev/null +++ b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/PizzeriaConfigTest.java @@ -0,0 +1,66 @@ +package ru.nsu.nmashkin.task221; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import com.fasterxml.jackson.databind.ObjectMapper; +import java.io.File; +import java.util.List; +import org.junit.jupiter.api.Test; + +class PizzeriaConfigTest { + + @Test + void getBakers() { + try { + ObjectMapper mapper = new ObjectMapper(); + PizzeriaConfig config = mapper.readValue( + new File("pizzeria_config.json"), + PizzeriaConfig.class + ); + + List bakers = config.getBakers(); + assertEquals(3, bakers.size()); + assertEquals(3, bakers.get(0).getCookingTimeSeconds()); + assertEquals(4, bakers.get(1).getCookingTimeSeconds()); + assertEquals(5, bakers.get(2).getCookingTimeSeconds()); + + } catch (Exception e) { + System.err.println("Not today, pal!"); + } + } + + @Test + void getCouriers() { + try { + ObjectMapper mapper = new ObjectMapper(); + PizzeriaConfig config = mapper.readValue( + new File("pizzeria_config.json"), + PizzeriaConfig.class + ); + + List couriers = config.getCouriers(); + assertEquals(2, couriers.size()); + assertEquals(2, couriers.get(0).getCapacity()); + assertEquals(3, couriers.get(1).getCapacity()); + + } catch (Exception e) { + System.err.println("Not today, pal!"); + } + } + + @Test + void getStorageCapacity() { + try { + ObjectMapper mapper = new ObjectMapper(); + PizzeriaConfig config = mapper.readValue( + new File("pizzeria_config.json"), + PizzeriaConfig.class + ); + + assertEquals(10, config.getStorageCapacity()); + + } catch (Exception e) { + System.err.println("Not today, pal!"); + } + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/PizzeriaTest.java b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/PizzeriaTest.java new file mode 100644 index 0000000..decf96d --- /dev/null +++ b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/PizzeriaTest.java @@ -0,0 +1,12 @@ +package ru.nsu.nmashkin.task221; + +import org.junit.jupiter.api.Test; + +class PizzeriaTest { + + @Test + void pizzeria() { + // Just for coverage + Pizzeria.main(new String[]{"pizzeria_config.json"}); + } +} \ No newline at end of file diff --git a/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/StorageTest.java b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/StorageTest.java new file mode 100644 index 0000000..92c059b --- /dev/null +++ b/Task_2_2_1/src/test/java/ru/nsu/nmashkin/task221/StorageTest.java @@ -0,0 +1,53 @@ +package ru.nsu.nmashkin.task221; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNull; + +import java.util.Queue; +import org.junit.jupiter.api.Test; + +class StorageTest { + + @Test + void addPizza() { + Storage storage = new Storage(100, 0); + try { + Order order = new Order(0, 67); + storage.addPizza(order); + assertEquals(Order.OrderState.IN_STORAGE, order.getState()); + } catch (InterruptedException e) { + System.err.println("Not today, pal!"); + } + } + + @Test + void takePizzas() { + Storage storage = new Storage(100, 0); + try { + Order order = new Order(0, 67); + storage.addPizza(order); + + Queue pizzas = storage.takePizzas(67); + assertEquals(1, pizzas.size()); + assertEquals(Order.OrderState.DELIVERING, pizzas.poll().getState()); + } catch (InterruptedException e) { + System.err.println("Not today, pal!"); + } + } + + @Test + void noMoreOrders() { + Storage storage = new Storage(100, 0); + try { + Order order = new Order(0, 67); + storage.addPizza(order); + + storage.takePizzas(67); + storage.noMoreOrders(); + assertNull(storage.takePizzas(67)); + + } catch (InterruptedException e) { + System.err.println("Not today, pal!"); + } + } +} \ No newline at end of file