Working app - just need to add Address nested document functionality, which may or may not happen

.gradle/buildOutputCleanup/cache.properties

+#Tue Apr 06 12:54:51 PDT 2021
+gradle.version=6.7

.idea/.gitignore

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

.idea/.name

+mongodemo
\ No newline at end of file

.idea/compiler.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="1.8" />
+  </component>
+</project>
\ No newline at end of file

.idea/gradle.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleHome" value="/usr/local/Cellar/gradle/4.3.1/libexec" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file

.idea/jarRepositories.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven" />
+      <option name="name" value="maven" />
+      <option name="url" value="https://repo.spring.io/milestone" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven2" />
+      <option name="name" value="maven2" />
+      <option name="url" value="https://oss.sonatype.org/content/repositories/releases" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

.idea/sonarlint/issuestore/index.pb

+
+?
+settings.gradle,0/5/05efc8b1657769a27696d478ded1e95f38737233
+<
+build.gradle,f/0/f07866736216be0ee2aba49e392191aeae700a35
\ No newline at end of file

build.gradle

+plugins {
+    id 'java'
+}
+
+group 'org.example'
+version '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    compile("org.springframework.boot:spring-boot-starter-web:2.1.2.RELEASE")
+    compile("org.springframework.boot:spring-boot-starter-actuator:2.1.2.RELEASE")
+    compile('org.springframework.cloud:spring-cloud-starter:2.1.2.RELEASE')
+    compile('org.apache.commons:commons-lang3:3.8')
+    compile('org.apache.commons:commons-io:1.3.2')
+    compile('org.apache.httpcomponents:httpclient:4.5.3')
+    compile('net.logstash.logback:logstash-logback-encoder:4.7')
+    compile('ch.qos.logback:logback-core:1.1.8')
+    compile('org.projectlombok:lombok:1.16.10')
+
+    compile("org.springframework.data:spring-data-mongodb:2.1.0.RELEASE")
+
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.0'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine'
+}
+
+test {
+    useJUnitPlatform()
+}
\ No newline at end of file

build/resources/main/application.properties

+server.port=9090
\ No newline at end of file

build/tmp/compileJava/source-classes-mapping.txt

+com/nisum/demo/mongo/MongoDBDemoApplication.java
+ com.nisum.demo.mongo.MongoDBDemoApplication
+com/nisum/demo/mongo/model/UserResponse.java
+ com.nisum.demo.mongo.model.UserResponse
+com/nisum/demo/mongo/repository/UserRepository.java
+ com.nisum.demo.mongo.repository.UserRepository
+com/nisum/demo/mongo/configuration/MongoConfig.java
+ com.nisum.demo.mongo.configuration.MongoConfig
+com/nisum/demo/mongo/model/Address.java
+ com.nisum.demo.mongo.model.Address
+com/nisum/demo/mongo/repository/model/Address.java
+ com.nisum.demo.mongo.repository.model.Address
+com/nisum/demo/mongo/model/UserRequest.java
+ com.nisum.demo.mongo.model.UserRequest
+com/nisum/demo/mongo/repository/model/User.java
+ com.nisum.demo.mongo.repository.model.User
+com/nisum/demo/mongo/model/UserData.java
+ com.nisum.demo.mongo.model.UserData
+com/nisum/demo/mongo/controller/MongoDBDemoController.java
+ com.nisum.demo.mongo.controller.MongoDBDemoController
+com/nisum/demo/mongo/service/MongoDBDemoService.java
+ com.nisum.demo.mongo.service.MongoDBDemoService

gradle/wrapper/gradle-wrapper.properties

+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

+@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

settings.gradle

+rootProject.name = 'mongodemo'
+

src/main/java/com/nisum/demo/mongo/MongoDBDemoApplication.java

+package com.nisum.demo.mongo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
+
+@SpringBootApplication
+@ComponentScan( {"com.nisum.demo.mongo"})
+@EnableMongoRepositories(basePackages = "com.nisum.demo.mongo.repository")
+public class MongoDBDemoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(MongoDBDemoApplication.class, args);
+    }
+}

src/main/java/com/nisum/demo/mongo/configuration/MongoConfig.java

+package com.nisum.demo.mongo.configuration;
+
+import com.mongodb.ConnectionString;
+import com.mongodb.MongoClientSettings;
+import com.mongodb.client.MongoClient;
+import com.mongodb.client.MongoClients;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.mongodb.config.AbstractMongoClientConfiguration;
+import org.springframework.data.mongodb.core.MongoTemplate;
+
+import java.util.Collection;
+import java.util.Collections;
+
+@Configuration
+public class MongoConfig extends AbstractMongoClientConfiguration {
+
+    @Override
+    protected String getDatabaseName() {
+        return "mongodbdemo";
+    }
+
+    @Override
+    public MongoClient mongoClient() {
+        ConnectionString connectionString = new ConnectionString("mongodb://localhost:27017/mongodbdemo");
+        MongoClientSettings mongoClientSettings = MongoClientSettings.builder()
+                .applyConnectionString(connectionString)
+                .build();
+
+        return MongoClients.create(mongoClientSettings);
+    }
+
+    @Bean
+    public MongoTemplate mongoTemplate() throws Exception {
+        return new MongoTemplate(mongoClient(), "mongodbdemo");
+    }
+}
\ No newline at end of file

src/main/java/com/nisum/demo/mongo/controller/MongoDBDemoController.java

+package com.nisum.demo.mongo.controller;
+
+import com.nisum.demo.mongo.model.UserRequest;
+import com.nisum.demo.mongo.model.UserResponse;
+import com.nisum.demo.mongo.repository.model.User;
+import com.nisum.demo.mongo.service.MongoDBDemoService;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+public class MongoDBDemoController {
+
+    private MongoDBDemoService mongoDBDemoService;
+
+    public MongoDBDemoController(MongoDBDemoService mongoDBDemoService) {
+        this.mongoDBDemoService = mongoDBDemoService;
+    }
+
+    @GetMapping(value = "/user/search/all", produces = {"application/json"})
+    ResponseEntity<UserResponse> searchAllUsers() {
+        UserResponse response = mongoDBDemoService.getAllUserData();
+        return new ResponseEntity<>(response, HttpStatus.OK);
+    }
+
+    @GetMapping(value = "/user/search", produces = {"application/json"})
+    ResponseEntity<UserResponse> searchUserById(@RequestParam(required = false) String byUserId,
+                                                @RequestParam(required = false) String byUserFirstName) throws Exception {
+        UserResponse response = mongoDBDemoService.getUserData(byUserId, byUserFirstName);
+        return new ResponseEntity<>(response, HttpStatus.OK);
+    }
+
+    @PostMapping(value = "/user/add", consumes = {"application/json"}, produces = {"application/json"})
+    ResponseEntity<UserResponse> addUser(@RequestBody UserRequest user) {
+        mongoDBDemoService.addUser(user);
+        return new ResponseEntity<UserResponse>(HttpStatus.OK);
+    }
+
+    @PostMapping(value = "/user/update", consumes = {"application/json"}, produces = {"application/json"})
+    ResponseEntity<UserResponse> updateUser(@RequestBody UserRequest user) throws Exception {
+        mongoDBDemoService.updateUser(user);
+        return new ResponseEntity<UserResponse>(HttpStatus.OK);
+    }
+
+    @DeleteMapping(value = "/user", produces = {"application/json"})
+    ResponseEntity<UserResponse> deleteUserById(@RequestParam String byUserId) {
+        mongoDBDemoService.deleteUserById(byUserId);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+    @DeleteMapping(value = "/user/delete/all", produces = {"application/json"})
+    ResponseEntity<UserResponse> deleteAll() {
+        mongoDBDemoService.deleteAll();
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+}

src/main/java/com/nisum/demo/mongo/model/Address.java

+package com.nisum.demo.mongo.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Address {
+    public String getAddress1() {
+        return address1;
+    }
+
+    public void setAddress1(String address1) {
+        this.address1 = address1;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public void setState(String state) {
+        this.state = state;
+    }
+
+    @JsonProperty
+    private String address1;
+
+    @JsonProperty
+    private String city;
+
+    @JsonProperty
+    private String state;
+}

src/main/java/com/nisum/demo/mongo/model/UserData.java

+package com.nisum.demo.mongo.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.nisum.demo.mongo.repository.model.Address;
+
+public class UserData {
+
+    @JsonProperty
+    private String id;
+
+    @JsonProperty
+    private String userId;
+
+    @JsonProperty
+    private String userFirstName;
+
+    @JsonProperty
+    private String userLastName;
+
+    @JsonProperty
+    private Address address;
+
+    public Address getAddress() {
+        return address;
+    }
+
+    public void setAddress(Address address) {
+        this.address = address;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public void setUserFirstName(String userFirstName) {
+        this.userFirstName = userFirstName;
+    }
+
+    public void setUserLastName(String userLastName) {
+        this.userLastName = userLastName;
+    }
+
+    public String getUserId() {
+        return this.userId;
+    }
+
+    public String getUserFirstName() {
+        return this.userFirstName;
+    }
+
+    public String getUserLastName() {
+        return this.userLastName;
+    }
+}

src/main/java/com/nisum/demo/mongo/model/UserRequest.java

+package com.nisum.demo.mongo.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.nisum.demo.mongo.repository.model.Address;
+
+public class UserRequest {
+
+    @JsonProperty
+    private String userId;
+
+    @JsonProperty
+    private String userFirstName;
+
+    @JsonProperty
+    private String userLastName;
+
+    @JsonProperty
+    private Address address;
+
+    public Address getAddress() {
+        return address;
+    }
+
+    public void setAddress(Address address) {
+        this.address = address;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public void setUserFirstName(String userFirstName) {
+        this.userFirstName = userFirstName;
+    }
+
+    public void setUserLastName(String userLastName) {
+        this.userLastName = userLastName;
+    }
+
+    public String getUserId() {
+        return this.userId;
+    }
+
+    public String getUserFirstName() {
+        return this.userFirstName;
+    }
+
+    public String getUserLastName() {
+        return this.userLastName;
+    }
+}

src/main/java/com/nisum/demo/mongo/model/UserResponse.java

+package com.nisum.demo.mongo.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class UserResponse {
+
+    @JsonProperty
+    private List<UserData> users;
+
+    public void setUsers(List<UserData> users) {
+        this.users = users;
+    }
+
+    public List<UserData> getUsers() {
+        return users;
+    }
+}

src/main/java/com/nisum/demo/mongo/repository/UserRepository.java

+package com.nisum.demo.mongo.repository;
+
+import com.nisum.demo.mongo.repository.model.User;
+import org.springframework.data.mongodb.repository.MongoRepository;
+import org.springframework.data.mongodb.repository.Query;
+
+import java.util.List;
+
+public interface UserRepository extends MongoRepository<User, String> {
+
+    List<User> findByUserId(String userId);
+
+    void deleteByUserId(String userId);
+
+    @Query("{'userFirstName' : ?0}")
+    List<User> findByUserFirstName(String userFirstName);
+}

src/main/java/com/nisum/demo/mongo/repository/model/Address.java

+package com.nisum.demo.mongo.repository.model;
+
+public class Address {
+    public String getAddress1() {
+        return address1;
+    }
+
+    public void setAddress1(String address1) {
+        this.address1 = address1;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public void setState(String state) {
+        this.state = state;
+    }
+
+    private String address1;
+    private String city;
+    private String state;
+}

src/main/java/com/nisum/demo/mongo/repository/model/User.java

+package com.nisum.demo.mongo.repository.model;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.*;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.index.Indexed;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+@Document(collection = "user")
+public class User {
+
+    @Id
+    private String id;
+
+    @Indexed
+    private String userId;
+    private String userFirstName;
+    private String userLastName;
+    private Address address;
+
+    public Address getAddress() {
+        return address;
+    }
+
+    public void setAddress(Address address) {
+        this.address = address;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public void setUserFirstName(String userFirstName) {
+        this.userFirstName = userFirstName;
+    }
+
+    public void setUserLastName(String userLastName) {
+        this.userLastName = userLastName;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getUserId() {
+        return this.userId;
+    }
+
+    public String getUserFirstName() {
+        return this.userFirstName;
+    }
+
+    public String getUserLastName() {
+        return this.userLastName;
+    }
+}

src/main/java/com/nisum/demo/mongo/service/MongoDBDemoService.java

+package com.nisum.demo.mongo.service;
+
+import com.nisum.demo.mongo.model.UserData;
+import com.nisum.demo.mongo.model.UserRequest;
+import com.nisum.demo.mongo.model.UserResponse;
+import com.nisum.demo.mongo.repository.UserRepository;
+import com.nisum.demo.mongo.repository.model.User;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+@Service
+public class MongoDBDemoService {
+
+    @Autowired
+    private MongoTemplate mongoTemplate;
+
+    @Autowired
+    private UserRepository userRepository;
+
+    public UserResponse getAllUserData() {
+        UserResponse response = new UserResponse();
+        List<UserData> users = new ArrayList<>();
+        userRepository.findAll().forEach( u -> {
+            UserData uData = new UserData();
+            uData.setId(u.getId());
+            uData.setUserId(u.getUserId());
+            uData.setUserFirstName(u.getUserFirstName());
+            uData.setUserLastName(u.getUserLastName());
+            uData.setAddress(u.getAddress());
+            users.add(uData);
+        });
+
+        response.setUsers(users);
+        return response;
+    }
+
+    public UserResponse getUserData(String userId, String userName) throws Exception {
+        List<User> userList = null;
+        if (StringUtils.isNotEmpty(userId)) {
+            userList = userRepository.findByUserId(userId);
+        } else if (StringUtils.isNotEmpty(userName)) {
+            userList = userRepository.findByUserFirstName(userName);
+        } else {
+            throw new Exception("Insufficient input");
+        }
+
+        UserResponse response = new UserResponse();
+        List<UserData> users = new ArrayList<>();
+        userList.forEach( u -> {
+            UserData uData = new UserData();
+            uData.setId(u.getId());
+            uData.setUserId(u.getUserId());
+            uData.setUserFirstName(u.getUserFirstName());
+            uData.setUserLastName(u.getUserLastName());
+            users.add(uData);
+        });
+        response.setUsers(users);
+        return response;
+    }
+
+    public void deleteUserById(String userId) {
+        userRepository.deleteByUserId(userId);
+    }
+
+    public void deleteAll() {
+        userRepository.deleteAll();
+    }
+
+    public void addUser(UserRequest user) {
+        User newUser = new User();
+        newUser.setUserId(user.getUserId());
+        newUser.setUserFirstName(user.getUserFirstName());
+        newUser.setUserLastName(user.getUserLastName());
+        userRepository.save(newUser);
+    }
+
+    public void updateUser(UserRequest userReq) throws Exception {
+        List<User> userList = userRepository.findByUserId(userReq.getUserId());
+        if (userList == null) {
+            throw new Exception("No Users found");
+        }
+        List<User> updatedList = new ArrayList<>();
+        userList.forEach(u -> {
+            User user = new User();
+            user.setId(u.getId());
+            user.setUserId(u.getUserId());
+            user.setUserFirstName(userReq.getUserFirstName());
+            user.setUserLastName(userReq.getUserLastName());
+            user.setAddress(userReq.getAddress());
+            updatedList.add(user);
+        });
+        userRepository.saveAll(updatedList);
+    }
+}

src/main/resources/application.properties

+server.port=9090
\ No newline at end of file