From 716fd607a155d2abf73784b5f9f39310cf6e4d1d Mon Sep 17 00:00:00 2001 From: yagutrslbyl Date: Mon, 6 Apr 2026 04:49:40 +0400 Subject: [PATCH 1/4] First commit --- .idea/.gitignore | 10 + .idea/compiler.xml | 18 ++ .idea/encodings.xml | 6 + .idea/jarRepositories.xml | 20 ++ .idea/lab-java-intermediate-jpa.iml | 9 + .idea/misc.xml | 14 + .idea/modules.xml | 8 + .idea/vcs.xml | 6 + demo/.gitattributes | 2 + demo/.gitignore | 33 ++ demo/.mvn/wrapper/maven-wrapper.properties | 3 + demo/mvnw | 295 ++++++++++++++++++ demo/mvnw.cmd | 189 +++++++++++ demo/pom.xml | 74 +++++ .../java/com/example/demo/BillableTask.java | 9 + .../main/java/com/example/demo/Contact.java | 18 ++ .../com/example/demo/DemoApplication.java | 13 + .../java/com/example/demo/InternalTask.java | 7 + demo/src/main/java/com/example/demo/Name.java | 14 + demo/src/main/java/com/example/demo/Task.java | 21 ++ .../src/main/resources/application.properties | 1 + .../example/demo/DemoApplicationTests.java | 13 + 22 files changed, 783 insertions(+) create mode 100644 .idea/.gitignore create mode 100644 .idea/compiler.xml create mode 100644 .idea/encodings.xml create mode 100644 .idea/jarRepositories.xml create mode 100644 .idea/lab-java-intermediate-jpa.iml create mode 100644 .idea/misc.xml create mode 100644 .idea/modules.xml create mode 100644 .idea/vcs.xml create mode 100644 demo/.gitattributes create mode 100644 demo/.gitignore create mode 100644 demo/.mvn/wrapper/maven-wrapper.properties create mode 100644 demo/mvnw create mode 100644 demo/mvnw.cmd create mode 100644 demo/pom.xml create mode 100644 demo/src/main/java/com/example/demo/BillableTask.java create mode 100644 demo/src/main/java/com/example/demo/Contact.java create mode 100644 demo/src/main/java/com/example/demo/DemoApplication.java create mode 100644 demo/src/main/java/com/example/demo/InternalTask.java create mode 100644 demo/src/main/java/com/example/demo/Name.java create mode 100644 demo/src/main/java/com/example/demo/Task.java create mode 100644 demo/src/main/resources/application.properties create mode 100644 demo/src/test/java/com/example/demo/DemoApplicationTests.java diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..ab1f416 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,10 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Ignored default folder with query files +/queries/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml +# Editor-based HTTP Client requests +/httpRequests/ diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 0000000..07e72e7 --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,18 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 0000000..6c094e1 --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 0000000..712ab9d --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,20 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/lab-java-intermediate-jpa.iml b/.idea/lab-java-intermediate-jpa.iml new file mode 100644 index 0000000..d6ebd48 --- /dev/null +++ b/.idea/lab-java-intermediate-jpa.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..8717f81 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,14 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..92f6196 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/demo/.gitattributes b/demo/.gitattributes new file mode 100644 index 0000000..3b41682 --- /dev/null +++ b/demo/.gitattributes @@ -0,0 +1,2 @@ +/mvnw text eol=lf +*.cmd text eol=crlf diff --git a/demo/.gitignore b/demo/.gitignore new file mode 100644 index 0000000..667aaef --- /dev/null +++ b/demo/.gitignore @@ -0,0 +1,33 @@ +HELP.md +target/ +.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ diff --git a/demo/.mvn/wrapper/maven-wrapper.properties b/demo/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000..c595b00 --- /dev/null +++ b/demo/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,3 @@ +wrapperVersion=3.3.4 +distributionType=only-script +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.14/apache-maven-3.9.14-bin.zip diff --git a/demo/mvnw b/demo/mvnw new file mode 100644 index 0000000..bd8896b --- /dev/null +++ b/demo/mvnw @@ -0,0 +1,295 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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 +# +# http://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. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Apache Maven Wrapper startup batch script, version 3.3.4 +# +# Optional ENV vars +# ----------------- +# JAVA_HOME - location of a JDK home dir, required when download maven via java source +# MVNW_REPOURL - repo url base for downloading maven distribution +# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output +# ---------------------------------------------------------------------------- + +set -euf +[ "${MVNW_VERBOSE-}" != debug ] || set -x + +# OS specific support. +native_path() { printf %s\\n "$1"; } +case "$(uname)" in +CYGWIN* | MINGW*) + [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")" + native_path() { cygpath --path --windows "$1"; } + ;; +esac + +# set JAVACMD and JAVACCMD +set_java_home() { + # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched + if [ -n "${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" + JAVACCMD="$JAVA_HOME/jre/sh/javac" + else + JAVACMD="$JAVA_HOME/bin/java" + JAVACCMD="$JAVA_HOME/bin/javac" + + if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then + echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2 + echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2 + return 1 + fi + fi + else + JAVACMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v java + )" || : + JAVACCMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v javac + )" || : + + if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then + echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2 + return 1 + fi + fi +} + +# hash string like Java String::hashCode +hash_string() { + str="${1:-}" h=0 + while [ -n "$str" ]; do + char="${str%"${str#?}"}" + h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296)) + str="${str#?}" + done + printf %x\\n $h +} + +verbose() { :; } +[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; } + +die() { + printf %s\\n "$1" >&2 + exit 1 +} + +trim() { + # MWRAPPER-139: + # Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds. + # Needed for removing poorly interpreted newline sequences when running in more + # exotic environments such as mingw bash on Windows. + printf "%s" "${1}" | tr -d '[:space:]' +} + +scriptDir="$(dirname "$0")" +scriptName="$(basename "$0")" + +# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties +while IFS="=" read -r key value; do + case "${key-}" in + distributionUrl) distributionUrl=$(trim "${value-}") ;; + distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;; + esac +done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties" +[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" + +case "${distributionUrl##*/}" in +maven-mvnd-*bin.*) + MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ + case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in + *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;; + :Darwin*x86_64) distributionPlatform=darwin-amd64 ;; + :Darwin*arm64) distributionPlatform=darwin-aarch64 ;; + :Linux*x86_64*) distributionPlatform=linux-amd64 ;; + *) + echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2 + distributionPlatform=linux-amd64 + ;; + esac + distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip" + ;; +maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;; +*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;; +esac + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}" +distributionUrlName="${distributionUrl##*/}" +distributionUrlNameMain="${distributionUrlName%.*}" +distributionUrlNameMain="${distributionUrlNameMain%-bin}" +MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}" +MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")" + +exec_maven() { + unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || : + exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD" +} + +if [ -d "$MAVEN_HOME" ]; then + verbose "found existing MAVEN_HOME at $MAVEN_HOME" + exec_maven "$@" +fi + +case "${distributionUrl-}" in +*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;; +*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;; +esac + +# prepare tmp dir +if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then + clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; } + trap clean HUP INT TERM EXIT +else + die "cannot create temp dir" +fi + +mkdir -p -- "${MAVEN_HOME%/*}" + +# Download and Install Apache Maven +verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +verbose "Downloading from: $distributionUrl" +verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +# select .zip or .tar.gz +if ! command -v unzip >/dev/null; then + distributionUrl="${distributionUrl%.zip}.tar.gz" + distributionUrlName="${distributionUrl##*/}" +fi + +# verbose opt +__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR='' +[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v + +# normalize http auth +case "${MVNW_PASSWORD:+has-password}" in +'') MVNW_USERNAME='' MVNW_PASSWORD='' ;; +has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;; +esac + +if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then + verbose "Found wget ... using wget" + wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl" +elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then + verbose "Found curl ... using curl" + curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl" +elif set_java_home; then + verbose "Falling back to use Java to download" + javaSource="$TMP_DOWNLOAD_DIR/Downloader.java" + targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName" + cat >"$javaSource" <<-END + public class Downloader extends java.net.Authenticator + { + protected java.net.PasswordAuthentication getPasswordAuthentication() + { + return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() ); + } + public static void main( String[] args ) throws Exception + { + setDefault( new Downloader() ); + java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() ); + } + } + END + # For Cygwin/MinGW, switch paths to Windows format before running javac and java + verbose " - Compiling Downloader.java ..." + "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java" + verbose " - Running Downloader.java ..." + "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")" +fi + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +if [ -n "${distributionSha256Sum-}" ]; then + distributionSha256Result=false + if [ "$MVN_CMD" = mvnd.sh ]; then + echo "Checksum validation is not supported for maven-mvnd." >&2 + echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + elif command -v sha256sum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then + distributionSha256Result=true + fi + elif command -v shasum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then + distributionSha256Result=true + fi + else + echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2 + echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + fi + if [ $distributionSha256Result = false ]; then + echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2 + echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2 + exit 1 + fi +fi + +# unzip and move +if command -v unzip >/dev/null; then + unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip" +else + tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar" +fi + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +actualDistributionDir="" + +# First try the expected directory name (for regular distributions) +if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then + if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then + actualDistributionDir="$distributionUrlNameMain" + fi +fi + +# If not found, search for any directory with the Maven executable (for snapshots) +if [ -z "$actualDistributionDir" ]; then + # enable globbing to iterate over items + set +f + for dir in "$TMP_DOWNLOAD_DIR"/*; do + if [ -d "$dir" ]; then + if [ -f "$dir/bin/$MVN_CMD" ]; then + actualDistributionDir="$(basename "$dir")" + break + fi + fi + done + set -f +fi + +if [ -z "$actualDistributionDir" ]; then + verbose "Contents of $TMP_DOWNLOAD_DIR:" + verbose "$(ls -la "$TMP_DOWNLOAD_DIR")" + die "Could not find Maven distribution directory in extracted archive" +fi + +verbose "Found extracted Maven distribution directory: $actualDistributionDir" +printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url" +mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME" + +clean || : +exec_maven "$@" diff --git a/demo/mvnw.cmd b/demo/mvnw.cmd new file mode 100644 index 0000000..92450f9 --- /dev/null +++ b/demo/mvnw.cmd @@ -0,0 +1,189 @@ +<# : batch portion +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Apache Maven Wrapper startup batch script, version 3.3.4 +@REM +@REM Optional ENV vars +@REM MVNW_REPOURL - repo url base for downloading maven distribution +@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output +@REM ---------------------------------------------------------------------------- + +@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0) +@SET __MVNW_CMD__= +@SET __MVNW_ERROR__= +@SET __MVNW_PSMODULEP_SAVE=%PSModulePath% +@SET PSModulePath= +@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @( + IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B) +) +@SET PSModulePath=%__MVNW_PSMODULEP_SAVE% +@SET __MVNW_PSMODULEP_SAVE= +@SET __MVNW_ARG0_NAME__= +@SET MVNW_USERNAME= +@SET MVNW_PASSWORD= +@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*) +@echo Cannot start maven from wrapper >&2 && exit /b 1 +@GOTO :EOF +: end batch / begin powershell #> + +$ErrorActionPreference = "Stop" +if ($env:MVNW_VERBOSE -eq "true") { + $VerbosePreference = "Continue" +} + +# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties +$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl +if (!$distributionUrl) { + Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" +} + +switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) { + "maven-mvnd-*" { + $USE_MVND = $true + $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip" + $MVN_CMD = "mvnd.cmd" + break + } + default { + $USE_MVND = $false + $MVN_CMD = $script -replace '^mvnw','mvn' + break + } +} + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +if ($env:MVNW_REPOURL) { + $MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" } + $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')" +} +$distributionUrlName = $distributionUrl -replace '^.*/','' +$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$','' + +$MAVEN_M2_PATH = "$HOME/.m2" +if ($env:MAVEN_USER_HOME) { + $MAVEN_M2_PATH = "$env:MAVEN_USER_HOME" +} + +if (-not (Test-Path -Path $MAVEN_M2_PATH)) { + New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null +} + +$MAVEN_WRAPPER_DISTS = $null +if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) { + $MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists" +} else { + $MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists" +} + +$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain" +$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join '' +$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME" + +if (Test-Path -Path "$MAVEN_HOME" -PathType Container) { + Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME" + Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" + exit $? +} + +if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) { + Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl" +} + +# prepare tmp dir +$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile +$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir" +$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null +trap { + if ($TMP_DOWNLOAD_DIR.Exists) { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } + } +} + +New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null + +# Download and Install Apache Maven +Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +Write-Verbose "Downloading from: $distributionUrl" +Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +$webclient = New-Object System.Net.WebClient +if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) { + $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD) +} +[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 +$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum +if ($distributionSha256Sum) { + if ($USE_MVND) { + Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." + } + Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash + if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) { + Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property." + } +} + +# unzip and move +Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +$actualDistributionDir = "" + +# First try the expected directory name (for regular distributions) +$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain" +$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD" +if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) { + $actualDistributionDir = $distributionUrlNameMain +} + +# If not found, search for any directory with the Maven executable (for snapshots) +if (!$actualDistributionDir) { + Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object { + $testPath = Join-Path $_.FullName "bin/$MVN_CMD" + if (Test-Path -Path $testPath -PathType Leaf) { + $actualDistributionDir = $_.Name + } + } +} + +if (!$actualDistributionDir) { + Write-Error "Could not find Maven distribution directory in extracted archive" +} + +Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir" +Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null +try { + Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null +} catch { + if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) { + Write-Error "fail to move MAVEN_HOME" + } +} finally { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } +} + +Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" diff --git a/demo/pom.xml b/demo/pom.xml new file mode 100644 index 0000000..4e264ad --- /dev/null +++ b/demo/pom.xml @@ -0,0 +1,74 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 4.0.5 + + + org.example + demo + 0.0.1-SNAPSHOT + demo + demo + + + + + + + + + + + + + + + 17 + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + org.springframework.boot + spring-boot-starter-webmvc + + + + org.springframework.boot + spring-boot-devtools + runtime + true + + + com.mysql + mysql-connector-j + runtime + + + org.springframework.boot + spring-boot-starter-data-jpa-test + test + + + org.springframework.boot + spring-boot-starter-webmvc-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/demo/src/main/java/com/example/demo/BillableTask.java b/demo/src/main/java/com/example/demo/BillableTask.java new file mode 100644 index 0000000..c1a49a4 --- /dev/null +++ b/demo/src/main/java/com/example/demo/BillableTask.java @@ -0,0 +1,9 @@ +package com.example.demo; + +import jakarta.persistence.Entity; + +@Entity +public class BillableTask extends Task { + + private double hourlyRate; +} \ No newline at end of file diff --git a/demo/src/main/java/com/example/demo/Contact.java b/demo/src/main/java/com/example/demo/Contact.java new file mode 100644 index 0000000..d47bc79 --- /dev/null +++ b/demo/src/main/java/com/example/demo/Contact.java @@ -0,0 +1,18 @@ +package com.example.demo; + +import jakarta.persistence.*; + +@Entity +public class Contact { + + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Long id; + + private String title; + + private String company; + + @Embedded + private Name name; +} diff --git a/demo/src/main/java/com/example/demo/DemoApplication.java b/demo/src/main/java/com/example/demo/DemoApplication.java new file mode 100644 index 0000000..094d95b --- /dev/null +++ b/demo/src/main/java/com/example/demo/DemoApplication.java @@ -0,0 +1,13 @@ +package com.example.demo; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class DemoApplication { + + public static void main(String[] args) { + SpringApplication.run(DemoApplication.class, args); + } + +} diff --git a/demo/src/main/java/com/example/demo/InternalTask.java b/demo/src/main/java/com/example/demo/InternalTask.java new file mode 100644 index 0000000..7b8c7f1 --- /dev/null +++ b/demo/src/main/java/com/example/demo/InternalTask.java @@ -0,0 +1,7 @@ +package com.example.demo; + +import jakarta.persistence.Entity; + +@Entity +public class InternalTask extends Task { +} diff --git a/demo/src/main/java/com/example/demo/Name.java b/demo/src/main/java/com/example/demo/Name.java new file mode 100644 index 0000000..2e34244 --- /dev/null +++ b/demo/src/main/java/com/example/demo/Name.java @@ -0,0 +1,14 @@ +package com.example.demo; + +import jakarta.persistence.Embeddable; + +@Embeddable +public class Name { + + private String firstName; + + private String lastName; + + private String middleName; + private String salutation; +} \ No newline at end of file diff --git a/demo/src/main/java/com/example/demo/Task.java b/demo/src/main/java/com/example/demo/Task.java new file mode 100644 index 0000000..87d1e00 --- /dev/null +++ b/demo/src/main/java/com/example/demo/Task.java @@ -0,0 +1,21 @@ +package com.example.demo; + +import jakarta.persistence.*; + +import java.time.LocalDate; + +@Entity +@Inheritance(strategy = InheritanceType.JOINED) +public abstract class Task { + + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Long id; + + private String title; + + + private LocalDate dueDate; + + private boolean status; +} \ No newline at end of file diff --git a/demo/src/main/resources/application.properties b/demo/src/main/resources/application.properties new file mode 100644 index 0000000..2109a44 --- /dev/null +++ b/demo/src/main/resources/application.properties @@ -0,0 +1 @@ +spring.application.name=demo diff --git a/demo/src/test/java/com/example/demo/DemoApplicationTests.java b/demo/src/test/java/com/example/demo/DemoApplicationTests.java new file mode 100644 index 0000000..eaa9969 --- /dev/null +++ b/demo/src/test/java/com/example/demo/DemoApplicationTests.java @@ -0,0 +1,13 @@ +package com.example.demo; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class DemoApplicationTests { + + @Test + void contextLoads() { + } + +} From efe6f054b6718e641b2fdfc8a70eccc52f5f16da Mon Sep 17 00:00:00 2001 From: yagutrslbyl Date: Mon, 6 Apr 2026 05:17:42 +0400 Subject: [PATCH 2/4] Fixed --- .../demo/{ => model}/BillableTask.java | 2 +- .../com/example/demo/{ => model}/Contact.java | 2 +- .../demo/{ => model}/InternalTask.java | 2 +- .../com/example/demo/{ => model}/Name.java | 2 +- .../com/example/demo/{ => model}/Task.java | 2 +- .../src/main/resources/application.properties | 7 ++++ task3.sql | 32 +++++++++++++++++++ 7 files changed, 44 insertions(+), 5 deletions(-) rename demo/src/main/java/com/example/demo/{ => model}/BillableTask.java (78%) rename demo/src/main/java/com/example/demo/{ => model}/Contact.java (88%) rename demo/src/main/java/com/example/demo/{ => model}/InternalTask.java (73%) rename demo/src/main/java/com/example/demo/{ => model}/Name.java (86%) rename demo/src/main/java/com/example/demo/{ => model}/Task.java (90%) create mode 100644 task3.sql diff --git a/demo/src/main/java/com/example/demo/BillableTask.java b/demo/src/main/java/com/example/demo/model/BillableTask.java similarity index 78% rename from demo/src/main/java/com/example/demo/BillableTask.java rename to demo/src/main/java/com/example/demo/model/BillableTask.java index c1a49a4..0860138 100644 --- a/demo/src/main/java/com/example/demo/BillableTask.java +++ b/demo/src/main/java/com/example/demo/model/BillableTask.java @@ -1,4 +1,4 @@ -package com.example.demo; +package com.example.demo.model; import jakarta.persistence.Entity; diff --git a/demo/src/main/java/com/example/demo/Contact.java b/demo/src/main/java/com/example/demo/model/Contact.java similarity index 88% rename from demo/src/main/java/com/example/demo/Contact.java rename to demo/src/main/java/com/example/demo/model/Contact.java index d47bc79..d19bf7d 100644 --- a/demo/src/main/java/com/example/demo/Contact.java +++ b/demo/src/main/java/com/example/demo/model/Contact.java @@ -1,4 +1,4 @@ -package com.example.demo; +package com.example.demo.model; import jakarta.persistence.*; diff --git a/demo/src/main/java/com/example/demo/InternalTask.java b/demo/src/main/java/com/example/demo/model/InternalTask.java similarity index 73% rename from demo/src/main/java/com/example/demo/InternalTask.java rename to demo/src/main/java/com/example/demo/model/InternalTask.java index 7b8c7f1..ed41abb 100644 --- a/demo/src/main/java/com/example/demo/InternalTask.java +++ b/demo/src/main/java/com/example/demo/model/InternalTask.java @@ -1,4 +1,4 @@ -package com.example.demo; +package com.example.demo.model; import jakarta.persistence.Entity; diff --git a/demo/src/main/java/com/example/demo/Name.java b/demo/src/main/java/com/example/demo/model/Name.java similarity index 86% rename from demo/src/main/java/com/example/demo/Name.java rename to demo/src/main/java/com/example/demo/model/Name.java index 2e34244..916efea 100644 --- a/demo/src/main/java/com/example/demo/Name.java +++ b/demo/src/main/java/com/example/demo/model/Name.java @@ -1,4 +1,4 @@ -package com.example.demo; +package com.example.demo.model; import jakarta.persistence.Embeddable; diff --git a/demo/src/main/java/com/example/demo/Task.java b/demo/src/main/java/com/example/demo/model/Task.java similarity index 90% rename from demo/src/main/java/com/example/demo/Task.java rename to demo/src/main/java/com/example/demo/model/Task.java index 87d1e00..8c37422 100644 --- a/demo/src/main/java/com/example/demo/Task.java +++ b/demo/src/main/java/com/example/demo/model/Task.java @@ -1,4 +1,4 @@ -package com.example.demo; +package com.example.demo.model; import jakarta.persistence.*; diff --git a/demo/src/main/resources/application.properties b/demo/src/main/resources/application.properties index 2109a44..7d57361 100644 --- a/demo/src/main/resources/application.properties +++ b/demo/src/main/resources/application.properties @@ -1 +1,8 @@ spring.application.name=demo +spring.datasource.url=jdbc:mysql://localhost:3306/task_db +spring.datasource.username=root +spring.datasource.password=4459 + +spring.jpa.hibernate.ddl-auto=update +spring.jpa.show-sql=true +spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect \ No newline at end of file diff --git a/task3.sql b/task3.sql new file mode 100644 index 0000000..8e321a3 --- /dev/null +++ b/task3.sql @@ -0,0 +1,32 @@ +CREATE DATABASE task_db; +SELECT title, due_date, + RANK() OVER (ORDER BY due_date) AS task_rank +FROM task; + +-- Why not JPQL? +-- JPQL does not support window functions like RANK() and OVER() + +-- Why native SQL? +-- Needed for analytical queries such as ranking and advanced pagination + + +SELECT * +FROM contact +WHERE LOWER(company) LIKE LOWER('%tech%'); + + +-- JPQL has limited support for database-specific optimizations +-- and cannot fully utilize indexing or collation features + +-- Why native SQL? +-- Gives more control over how case-insensitive search is implemented +-- and can be optimized based on database behavior + + +CALL update_task_status(); + +-- Why not JPQL? +-- JPQL is not designed to call stored procedures directly + +-- Why native SQL? +-- Useful when business logic is implemented at the database level and for better performances \ No newline at end of file From 159966b98440f7baac0dcab682316013724e50d2 Mon Sep 17 00:00:00 2001 From: yagutrslbyl Date: Mon, 6 Apr 2026 05:27:33 +0400 Subject: [PATCH 3/4] Task 3 is done --- task3.sql | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/task3.sql b/task3.sql index 8e321a3..24b731c 100644 --- a/task3.sql +++ b/task3.sql @@ -3,11 +3,10 @@ SELECT title, due_date, RANK() OVER (ORDER BY due_date) AS task_rank FROM task; --- Why not JPQL? --- JPQL does not support window functions like RANK() and OVER() +-- JPQL does not support window functions such as RANK() or the OVER clause. These functions are used for analytical queries like ranking and advanced result processing. -- Why native SQL? --- Needed for analytical queries such as ranking and advanced pagination +-- Native SQL is required because it provides access to advanced analytical features that are not available in JPQL. SELECT * @@ -15,18 +14,13 @@ FROM contact WHERE LOWER(company) LIKE LOWER('%tech%'); --- JPQL has limited support for database-specific optimizations --- and cannot fully utilize indexing or collation features - --- Why native SQL? --- Gives more control over how case-insensitive search is implemented --- and can be optimized based on database behavior +-- JPQL has limited support for database-specific behaviors such as collation and indexing strategies. It cannot fully utilize database-level optimizations for text search. +-- Native SQL allows full control over how searches are executed, including case sensitivity, collation, and performance optimizations. CALL update_task_status(); --- Why not JPQL? --- JPQL is not designed to call stored procedures directly +-- JPQL is not designed to directly execute stored procedures and has very limited support for such operations. Native SQL is necessary when business logic is implemented at the database level or when performance-critical operations are handled via stored procedures. --- Why native SQL? --- Useful when business logic is implemented at the database level and for better performances \ No newline at end of file + +-- Native SQL is preferred in these cases because it supports advanced SQL features not available in JPQL and Allows use of database-specific functionality. Also, it provides better performance and flexibility for complex operations \ No newline at end of file From e534e6d68b10c7d93b5ab12c8f8819a4541341fa Mon Sep 17 00:00:00 2001 From: Yaqut Date: Mon, 6 Apr 2026 23:38:13 +0400 Subject: [PATCH 4/4] Remove database password from application.properties Removed the database password from the configuration file. --- demo/src/main/resources/application.properties | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/demo/src/main/resources/application.properties b/demo/src/main/resources/application.properties index 7d57361..263002e 100644 --- a/demo/src/main/resources/application.properties +++ b/demo/src/main/resources/application.properties @@ -1,8 +1,8 @@ spring.application.name=demo spring.datasource.url=jdbc:mysql://localhost:3306/task_db spring.datasource.username=root -spring.datasource.password=4459 +spring.datasource.password= spring.jpa.hibernate.ddl-auto=update spring.jpa.show-sql=true -spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect \ No newline at end of file +spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect