Finished actuators course

spring-fundamentals/.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml

spring-fundamentals/.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/spring-fundamentals.iml" filepath="$PROJECT_DIR$/.idea/spring-fundamentals.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

spring-fundamentals/.idea/spring-fundamentals.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file

spring-fundamentals/.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

spring-fundamentals/Module3/fundamentals/src/main/resources/application.properties

-logging.level.org.springframework: DEBUG
+ logging.level.org.springframework: DEBUG
 

todo-app/.gitignore

+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### 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/
+
+### VS Code ###
+.vscode/

todo-app/.mvn/wrapper/MavenWrapperDownloader.java

+/*
+ * Copyright 2012-2019 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.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.5";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

todo-app/.mvn/wrapper/maven-wrapper.properties

+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.2/apache-maven-3.6.2-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar

todo-app/README.md

+# todo-app
+
+This repository contains a simple todo application built with Spring Boot
+
+## Build
+
+Build with the included Maven wrapper
+
+    ./mvnw clean install
+
+## Usage
+
+Run via command line
+
+    ./mvnw spring-boot:run
+
+# Found a bug?
+
+Fork, improve and PR. ;-)
+
+# Questions / Comments
+
+Contact me at [http://dustin.schultz.io](http://dustin.schultz.io/)

todo-app/mvnw.cmd

+@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    https://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 Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%

todo-app/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.2.1.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>io.schultz.dustin</groupId>
+	<artifactId>todo-app</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>todo-app</name>
+	<description>Demo for Pluralsight Course - Spring Framework: Spring Boot Actuator</description>
+
+	<properties>
+		<java.version>11</java.version>
+		<embedded-postgres.version>0.13.1</embedded-postgres.version>
+		<javax-inject.version>1</javax-inject.version>
+	</properties>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-actuator</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-data-jpa -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-security</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>javax.inject</groupId>
+			<artifactId>javax.inject</artifactId>
+			<version>${javax-inject.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>org.junit.vintage</groupId>
+					<artifactId>junit-vintage-engine</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

todo-app/src/main/java/io/schultz/dustin/todoapp/TodoAppApplication.java

+package io.schultz.dustin.todoapp;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class  TodoAppApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(TodoAppApplication.class, args);
+	}
+
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/controller/TodoController.java

+package io.schultz.dustin.todoapp.controller;
+
+import io.schultz.dustin.todoapp.dto.TodoListDto;
+import io.schultz.dustin.todoapp.service.TodoService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.inject.Inject;
+import java.util.List;
+
+@RestController
+@RequestMapping("/todo")
+public class TodoController {
+
+    private TodoService todoService;
+
+    @Inject
+    public TodoController(TodoService todoService) {
+        this.todoService = todoService;
+    }
+
+    @GetMapping("/lists")
+    public List<TodoListDto> getTodoLists() {
+        return todoService.getTodoLists();
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/converter/TodoItemConverter.java

+package io.schultz.dustin.todoapp.converter;
+
+import io.schultz.dustin.todoapp.dto.TodoItemDto;
+import io.schultz.dustin.todoapp.model.TodoItem;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.stereotype.Component;
+
+@Component
+public class TodoItemConverter implements Converter<TodoItem, TodoItemDto> {
+
+    @Override
+    public TodoItemDto convert(TodoItem item) {
+        return new TodoItemDto(item.getItem(), item.isComplete());
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/converter/TodoListConverter.java

+package io.schultz.dustin.todoapp.converter;
+
+import io.schultz.dustin.todoapp.dto.TodoItemDto;
+import io.schultz.dustin.todoapp.dto.TodoListDto;
+import io.schultz.dustin.todoapp.model.TodoItem;
+import io.schultz.dustin.todoapp.model.TodoList;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.stereotype.Component;
+
+import javax.inject.Inject;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Component
+public class TodoListConverter implements Converter<TodoList, TodoListDto> {
+
+    private TodoItemConverter itemConverter;
+
+    @Inject
+    public TodoListConverter(TodoItemConverter itemConverter) {
+        this.itemConverter = itemConverter;
+    }
+
+    @Override
+    public TodoListDto convert(TodoList todoList) {
+        List<TodoItem> items = todoList.getItems();
+
+        List<TodoItemDto> itemDtos = items.stream()
+                .map(itemConverter::convert)
+                .collect(Collectors.toList());
+
+        return new TodoListDto(todoList.getName(), itemDtos);
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/dto/TodoItemDto.java

+package io.schultz.dustin.todoapp.dto;
+
+public class TodoItemDto {
+
+    private String value;
+    private boolean complete;
+
+    public TodoItemDto(String value, boolean complete) {
+        this.value = value;
+        this.complete = complete;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public boolean isComplete() {
+        return complete;
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/dto/TodoListDto.java

+package io.schultz.dustin.todoapp.dto;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TodoListDto {
+
+    private String name;
+    private List<TodoItemDto> items = new ArrayList<>();
+
+    public TodoListDto(String name, List<TodoItemDto> items) {
+        this.name = name;
+        this.items = items;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public List<TodoItemDto> getItems() {
+        return items;
+    }
+
+    public void addItem(TodoItemDto item) {
+        this.items.add(item);
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/health/MaxMemoryHealthIndicator.java

+package io.schultz.dustin.todoapp.health;
+
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.HealthIndicator;
+import org.springframework.boot.actuate.health.Status;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MaxMemoryHealthIndicator implements HealthIndicator {
+    @Override
+    public Health getHealth(boolean includeDetails) {
+        return null;
+    }
+
+    @Override
+    public Health health() {
+        Boolean invalid = Runtime.getRuntime().maxMemory() < (100 *1024 * 1024);
+        Status status = invalid ? Status.DOWN : Status.UP;
+        return Health.status()
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/model/TodoItem.java

+package io.schultz.dustin.todoapp.model;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "TODO_ITEM")
+public class TodoItem {
+
+    @Id
+    @GeneratedValue(strategy= GenerationType.IDENTITY)
+    @Column(name = "todo_item_id")
+    private Long id;
+
+    @Column(nullable = false)
+    private String item;
+
+    @Column(nullable = false)
+    private boolean complete;
+
+    @ManyToOne
+    @JoinColumn(name = "todo_list_id", insertable = false, updatable = false)
+    private TodoList todoList;
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getItem() {
+        return item;
+    }
+
+    public void setItem(String item) {
+        this.item = item;
+    }
+
+    public boolean isComplete() {
+        return complete;
+    }
+
+    public void setComplete(boolean complete) {
+        this.complete = complete;
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/model/TodoList.java

+package io.schultz.dustin.todoapp.model;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "TODO_LIST")
+public class TodoList {
+
+    @Id
+    @GeneratedValue(strategy= GenerationType.IDENTITY)
+    @Column(name = "todo_list_id")
+    private Long id;
+
+    @Column(nullable = false)
+    private String name;
+
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    @JoinColumn(name = "todo_list_id")
+    private List<TodoItem> items = new ArrayList<>();
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<TodoItem> getItems() {
+        return items;
+    }
+
+    public void setItems(List<TodoItem> items) {
+        this.items = items;
+    }
+
+    public void addTodoItem(TodoItem item) {
+        this.items.add(item);
+    }
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/repository/TodoRepository.java

+package io.schultz.dustin.todoapp.repository;
+
+import io.schultz.dustin.todoapp.model.TodoList;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface TodoRepository extends CrudRepository<TodoList, Long> {
+
+}

todo-app/src/main/java/io/schultz/dustin/todoapp/service/TodoService.java

+package io.schultz.dustin.todoapp.service;
+
+import io.schultz.dustin.todoapp.converter.TodoListConverter;
+import io.schultz.dustin.todoapp.dto.TodoListDto;
+import io.schultz.dustin.todoapp.repository.TodoRepository;
+import org.springframework.stereotype.Service;
+
+import javax.inject.Inject;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
+
+@Service
+public class TodoService {
+
+    private TodoListConverter todoListConverter;
+    private TodoRepository todoRepository;
+
+    @Inject
+    public TodoService(TodoListConverter todoListConverter,
+                       TodoRepository todoRepository) {
+        this.todoListConverter = todoListConverter;
+        this.todoRepository = todoRepository;
+    }
+
+    public List<TodoListDto> getTodoLists() {
+       return StreamSupport.stream(todoRepository.findAll().spliterator(), false)
+                .map(todoListConverter::convert)
+                .collect(Collectors.toList());
+    }
+}

todo-app/src/main/resources/application.properties

+spring.h2.console.enabled=true
+
+spring.datasource.url=jdbc:h2:mem:tododb
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=
+
+spring.jpa.hibernate.ddl-auto=create
+
+management.endpoints.web.exposure.include=beans,metrics,info,heatlh,loggers
+management.endpoint.loggers.enabled=false
\ No newline at end of file

todo-app/src/main/resources/data.sql

+----------------------
+----------------------
+-- The "to do" lists
+----------------------
+----------------------
+
+-- 1st "to do" list
+INSERT INTO TODO_LIST (todo_list_id,name) VALUES (1, 'Languages to learn');
+
+-- 2nd "to do" list
+INSERT INTO TODO_LIST (todo_list_id,name) VALUES (2, 'Languages to continue learning');
+
+-- 3rd "to do" list
+INSERT INTO TODO_LIST (todo_list_id,name) VALUES (3, 'Languages to master');
+
+------------------------------------------
+------------------------------------------
+-- The actual items on the "to do" lists
+------------------------------------------
+------------------------------------------
+
+-- 1st "to do" list items
+INSERT INTO TODO_ITEM (todo_item_id, item, complete, todo_list_id) VALUES (1, 'Kotlin', FALSE, 1);
+INSERT INTO TODO_ITEM (todo_item_id, item, complete, todo_list_id) VALUES (2, 'Swift', FALSE, 1);
+
+-- 2nd "to do" list items
+INSERT INTO TODO_ITEM (todo_item_id, item, complete, todo_list_id) VALUES (3, 'Golang', TRUE, 2);
+
+-- 3rd "to do" list items
+INSERT INTO TODO_ITEM (todo_item_id, item, complete, todo_list_id) VALUES (4, 'Java', FALSE, 3);
+INSERT INTO TODO_ITEM (todo_item_id, item, complete, todo_list_id) VALUES (5, 'Python', FALSE, 3);
\ No newline at end of file

todo-app/src/test/java/io/schultz/dustin/todoapp/TodoAppApplicationTests.java

+package io.schultz.dustin.todoapp;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class TodoAppApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}