diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..8638b1c
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+
+[*.{json, yml, yaml}]
+indent_size = 2
+
+[*.{bat, ps1}]
+end_of_line = crlf
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..8e0b113
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,7 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# These are explicitly windows files and should use crlf
+*               text eof=lf
+*.bat           text eol=crlf
+*.ps1           text eol=crlf
diff --git a/.gitignore b/.gitignore
index a1fc39c..29cba8c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 .gradle
-/build/
 
 # Ignore Gradle GUI config
 gradle-app.setting
@@ -12,3 +11,9 @@ gradle-app.setting
 
 # # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
 # gradle/wrapper/gradle-wrapper.properties
+
+# Ignore Gradle build output directory
+**/build/
+**/generated/
+
+.idea
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 0000000..ff168d1
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,217 @@
+import org.gradle.internal.jvm.Jvm
+import org.gradle.util.GradleVersion
+import java.time.Instant
+import java.util.jar.Attributes.Name
+
+plugins {
+    `java-library`
+    `maven-publish`
+    jacoco
+    signing
+    id(PluginLibs.sonarQube) version PluginLibs.Version.sonarQube
+    id(PluginLibs.nexusStaging) version PluginLibs.Version.nexusStaging
+}
+val jacocoHtml: String? by project
+val semanticVersion: String by project
+val buildHash: String by project
+project.tasks["sonarqube"].group = "analysis"
+project.tasks["sonarqube"].dependsOn("build", "jacocoRootReport")
+
+allprojects {
+    group = "io.github.zero88.qwe"
+
+    repositories {
+        mavenLocal()
+        maven { url = uri("https://oss.sonatype.org/content/groups/public/") }
+        maven { url = uri("https://maven.mangoautomation.net/repository/ias-snapshot/") }
+        maven { url = uri("https://maven.mangoautomation.net/repository/ias-release/") }
+        mavenCentral()
+        jcenter()
+    }
+}
+
+subprojects {
+    apply(plugin = "java-library")
+    apply(plugin = "eclipse")
+    apply(plugin = "idea")
+    apply(plugin = "jacoco")
+    apply(plugin = "signing")
+    apply(plugin = "maven-publish")
+    project.version = "$version$semanticVersion"
+    project.ext.set("baseName", ProjectUtils.computeBaseName(project))
+    project.ext.set("title", findProperty("title") ?: project.ext.get("baseName"))
+    project.ext.set("description", findProperty("description") ?: "A Vertx framework for microservice: ${project.name}")
+
+    afterEvaluate {
+        if (setOf("iot", "connectors", "bacnet").contains(project.name)) {
+            project.tasks.forEach { it.enabled = false }
+        } else {
+            println("- Project Name:     ${project.ext.get("baseName")}")
+            println("- Project Title:    ${project.ext.get("title")}")
+            println("- Project Group:    ${project.group}")
+            println("- Project Version:  ${project.version}")
+            println("- Gradle Version:   ${GradleVersion.current()}")
+            println("- Java Version:     ${Jvm.current()}")
+        }
+    }
+
+    java {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        withJavadocJar()
+        withSourcesJar()
+    }
+
+    dependencies {
+        compileOnly(UtilLibs.lombok)
+        annotationProcessor(UtilLibs.lombok)
+
+        testImplementation(TestLibs.junit5Api)
+        testImplementation(TestLibs.junit5Engine)
+        testImplementation(TestLibs.junit5Vintage)
+        testImplementation(TestLibs.jsonAssert)
+        testCompileOnly(UtilLibs.lombok)
+        testAnnotationProcessor(UtilLibs.lombok)
+    }
+
+    tasks {
+        jar {
+            manifest {
+                attributes(
+                    mapOf(
+                        Name.MANIFEST_VERSION.toString() to "1.0",
+                        Name.IMPLEMENTATION_TITLE.toString() to archiveBaseName.get(),
+                        Name.IMPLEMENTATION_VERSION.toString() to project.version,
+                        "Created-By" to GradleVersion.current(),
+                        "Build-Jdk" to Jvm.current(),
+                        "Build-By" to project.property("buildBy"),
+                        "Build-Hash" to project.property("buildHash"),
+                        "Build-Date" to Instant.now()
+                    )
+                )
+            }
+        }
+        javadoc {
+            title = "${project.ext.get("title")} ${project.version} API"
+            options {
+                this as StandardJavadocDocletOptions
+                tags = mutableListOf(
+                    "apiNote:a:API Note:", "implSpec:a:Implementation Requirements:",
+                    "implNote:a:Implementation Note:"
+                )
+            }
+        }
+        test {
+            useJUnitPlatform()
+        }
+        withType<Jar>().configureEach {
+            archiveBaseName.set(project.ext.get("baseName") as String)
+        }
+        withType<Sign>().configureEach {
+            onlyIf { project.hasProperty("release") }
+        }
+    }
+
+    publishing {
+        publications {
+            create<MavenPublication>("maven") {
+                groupId = project.group as String?
+                artifactId = project.ext.get("baseName") as String
+                version = project.version as String?
+                from(components["java"])
+
+                versionMapping {
+                    usage("java-api") {
+                        fromResolutionOf("runtimeClasspath")
+                    }
+                    usage("java-runtime") {
+                        fromResolutionResult()
+                    }
+                }
+                pom {
+                    name.set(project.ext.get("title") as String)
+                    description.set(project.ext.get("description") as String)
+                    url.set("https://github.com/zero88/qwe")
+                    licenses {
+                        license {
+                            name.set("The Apache License, Version 2.0")
+                            url.set("https://github.com/zero88/qwe/blob/master/LICENSE")
+                        }
+                    }
+                    developers {
+                        developer {
+                            id.set("zero88")
+                            email.set("sontt246@gmail.com")
+                        }
+                    }
+                    scm {
+                        connection.set("scm:git:git://git@github.com:zero88/qwe.git")
+                        developerConnection.set("scm:git:ssh://git@github.com:zero88/qwe.git")
+                        url.set("https://github.com/zero88/qwe")
+                    }
+                }
+            }
+        }
+        repositories {
+            maven {
+                val path = if (project.hasProperty("github")) {
+                    "${project.property("github.nexus.url")}/${project.property("nexus.username")}/${rootProject.name}"
+                } else {
+                    val releasesRepoUrl = project.property("ossrh.release.url")
+                    val snapshotsRepoUrl = project.property("ossrh.snapshot.url")
+                    if (project.hasProperty("release")) releasesRepoUrl else snapshotsRepoUrl
+                }
+                url = path?.let { uri(it) }!!
+                credentials {
+                    username = project.property("nexus.username") as String?
+                    password = project.property("nexus.password") as String?
+                }
+            }
+        }
+    }
+
+    signing {
+        useGpgCmd()
+        sign(publishing.publications["maven"])
+    }
+}
+
+task<JacocoReport>("jacocoRootReport") {
+    dependsOn(subprojects.map { it.tasks.withType<Test>() })
+    dependsOn(subprojects.map { it.tasks.withType<JacocoReport>() })
+    additionalSourceDirs.setFrom(subprojects.map { it.sourceSets.main.get().allSource.srcDirs })
+    sourceDirectories.setFrom(subprojects.map { it.sourceSets.main.get().allSource.srcDirs })
+    classDirectories.setFrom(subprojects.map { it.sourceSets.main.get().output })
+    executionData.setFrom(project.fileTree(".") {
+        include("**/build/jacoco/test.exec")
+    })
+    reports {
+        csv.isEnabled = false
+        xml.isEnabled = true
+        xml.destination = file("${buildDir}/reports/jacoco/coverage.xml")
+        html.isEnabled = (jacocoHtml ?: "true").toBoolean()
+        html.destination = file("${buildDir}/reports/jacoco/html")
+    }
+}
+
+sonarqube {
+    properties {
+        property("jacocoHtml", "false")
+        property("sonar.sourceEncoding", "UTF-8")
+        property("sonar.coverage.jacoco.xmlReportPaths", "${buildDir}/reports/jacoco/coverage.xml")
+    }
+}
+
+task<Sign>("sign") {
+    dependsOn(subprojects.map { it.tasks.withType<Sign>() })
+}
+
+nexusStaging {
+    packageGroup = "io.github.zero88"
+    username = project.property("nexus.username") as String?
+    password = project.property("nexus.password") as String?
+}
+
+tasks.test {
+    // Use junit platform for unit tests.
+    useJUnitPlatform()
+}
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
new file mode 100644
index 0000000..3d7a954
--- /dev/null
+++ b/buildSrc/build.gradle.kts
@@ -0,0 +1,7 @@
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    jcenter()
+}
diff --git a/buildSrc/src/main/groovy/ProjectUtils.groovy b/buildSrc/src/main/groovy/ProjectUtils.groovy
new file mode 100644
index 0000000..b6deb3d
--- /dev/null
+++ b/buildSrc/src/main/groovy/ProjectUtils.groovy
@@ -0,0 +1,54 @@
+import org.gradle.api.Project
+
+class ProjectUtils {
+
+    static boolean isSubProject(Project project, String projectName) {
+        if (project.parent == null) {
+            return project.name == projectName
+        }
+        return project.parent.name == projectName || isSubProject(project.parent, projectName)
+    }
+
+    static String computeGroup(Project project) {
+        if (project.parent == null) {
+            return project.group
+        }
+        def suffix = project.parent == project.rootProject ? "" : ("." + project.parent.name)
+        return computeGroup(project.parent) + suffix
+    }
+
+    static String computeBaseName(Project project) {
+        return computeProjectName(project, "-")
+    }
+
+    static String computeDockerName(Project project) {
+        return computeProjectName(project, "-", "/")
+    }
+
+    def static loadSecretProps(Project project, secretFile) {
+        def sf = new File(secretFile.toString())
+        if (sf.exists()) {
+            def props = new Properties()
+            sf.withInputStream { props.load(it) }
+            props.findAll { Strings.isBlank(extraProp(project, it.key.toString())) }
+                 .each { k, v -> project.ext.set(k, v) }
+        }
+    }
+
+    static String extraProp(Project project, String key) {
+        return extraProp(project, key, null)
+    }
+
+    static String extraProp(Project project, String key, String fallback) {
+        return project.ext.has(key) && !Strings.isBlank((String) project.ext.get(key)) ? (String) project.ext.get(key) :
+               fallback
+    }
+
+    private static String computeProjectName(Project project, String sep, String firstSep = null) {
+        if (project.parent == null) {
+            return extraProp(project, "baseName", project.name)
+        }
+        final def s = project.parent.parent == null && firstSep ? firstSep : sep
+        return computeProjectName(project.parent, sep, firstSep) + s + project.projectDir.name
+    }
+}
diff --git a/buildSrc/src/main/groovy/Strings.groovy b/buildSrc/src/main/groovy/Strings.groovy
new file mode 100644
index 0000000..8e6fc74
--- /dev/null
+++ b/buildSrc/src/main/groovy/Strings.groovy
@@ -0,0 +1,37 @@
+class Strings {
+
+    static boolean isBlank(String text) {
+        return text == null || "" == text.trim()
+    }
+
+    static String requireNotBlank(String text) {
+        return requireNotBlank(text, "Not blank")
+    }
+
+    static String requireNotBlank(String text, String message) {
+        if (isBlank(text)) {
+            throw new IllegalArgumentException(message)
+        }
+        return text.trim()
+    }
+
+    static String toSnakeCase(String text, boolean upper = true) {
+        if (upper && text == text.toUpperCase()) {
+            return text
+        }
+        if (!upper && text == text.toLowerCase()) {
+            return text
+        }
+        def regex = upper ? "A-Z" : "a-z"
+        def t = text.replaceAll(/([$regex])/, /_$1/).replaceAll(/^_/, '')
+        return upper ? t.toUpperCase() : t.toLowerCase()
+    }
+
+    static String replaceJsonSuffix(String name) {
+        return name.replaceAll(toRegexIgnoreCase("_JSON(_ARRAY)?|_ARRAY\$"), "")
+    }
+
+    static String toRegexIgnoreCase(String name) {
+        return "(?i:${name})"
+    }
+}
diff --git a/buildSrc/src/main/kotlin/Dependencies.kt b/buildSrc/src/main/kotlin/Dependencies.kt
new file mode 100644
index 0000000..58c0ad0
--- /dev/null
+++ b/buildSrc/src/main/kotlin/Dependencies.kt
@@ -0,0 +1,95 @@
+object UtilLibs {
+
+    object Version {
+
+        const val lombok = "1.18.16"
+    }
+
+    const val lombok = "org.projectlombok:lombok:${Version.lombok}"
+}
+
+object PluginLibs {
+
+    object Version {
+
+        const val sonarQube = "3.0"
+        const val nexusStaging = "0.22.0"
+    }
+
+    const val sonarQube = "org.sonarqube"
+    const val nexusStaging = "io.codearte.nexus-staging"
+}
+
+object TestLibs {
+
+    object Version {
+
+        const val junit5 = "5.7.0"
+        const val jsonAssert = "1.5.0"
+    }
+
+    const val junit5Api = "org.junit.jupiter:junit-jupiter-api:${Version.junit5}"
+    const val junit5Engine = "org.junit.jupiter:junit-jupiter-engine:${Version.junit5}"
+    const val junit5Vintage = "org.junit.vintage:junit-vintage-engine:${Version.junit5}"
+    const val jsonAssert = "org.skyscreamer:jsonassert:${Version.jsonAssert}"
+}
+
+object BACnetLibs {
+    object Version {
+
+        const val bacnet = "5.0.2"
+    }
+
+    const val bacnet = "com.infiniteautomation:bacnet4j:${Version.bacnet}"
+}
+
+object VertxLibs {
+
+    object Version {
+
+        const val vertx = "4.0.0"
+    }
+
+    const val junit = "io.vertx:vertx-unit:${Version.vertx}"
+    const val junit5 = "io.vertx:vertx-junit5:${Version.vertx}"
+
+}
+
+object LogLibs {
+
+    object Version {
+
+        const val slf4j = "1.7.30"
+        const val logback = "1.2.3"
+    }
+
+    const val slf4j = "org.slf4j:slf4j-api:${Version.slf4j}"
+    const val logback = "ch.qos.logback:logback-classic:${Version.logback}"
+}
+
+object ZeroLibs {
+    object Version {
+
+        const val utils = "1.0.1"
+        const val jpaExt = "0.9.0"
+        const val rSql = "0.9.0"
+        const val qwe = "0.6.1-SNAPSHOT"
+        const val qweSql = "0.0.1-SNAPSHOT"
+    }
+
+    const val utils = "io.github.zero88:java-utils:${Version.utils}"
+    const val jpaExt = "io.github.zero88:jpa-ext:${Version.jpaExt}"
+    const val rql_jooq = "io.github.zero88:rql-jooq:${Version.rSql}"
+    const val qwe_base = "io.github.zero88.qwe:qwe-base:${Version.qwe}"
+    const val qwe_cache = "io.github.zero88.qwe:qwe-cache:${Version.qwe}"
+    const val qwe_protocol = "io.github.zero88.qwe:qwe-protocol:${Version.qwe}"
+    const val qwe_http_metadata = "io.github.zero88.qwe:qwe-http-metadata:${Version.qwe}"
+    const val qwe_http_server = "io.github.zero88.qwe:qwe-http-server:${Version.qwe}"
+    const val qwe_http_client = "io.github.zero88.qwe:qwe-http-client:${Version.qwe}"
+    const val qwe_micro_metadata = "io.github.zero88.qwe:qwe-micro-metadata:${Version.qwe}"
+    const val qwe_micro_rpc = "io.github.zero88.qwe:qwe-micro-rpc:${Version.qwe}"
+    const val qwe_micro = "io.github.zero88.qwe:qwe-micro:${Version.qwe}"
+    const val qwe_scheduler_metadata = "io.github.zero88.qwe:qwe-scheduler-metadata:${Version.qwe}"
+    const val qwe_scheduler = "io.github.zero88.qwe:qwe-scheduler:${Version.qwe}"
+    const val qwe_storage_json = "io.github.zero88.qwe:qwe-storage-json:${Version.qwe}"
+}
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..bf949c7
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,28 @@
+# Gradle properties --------------------------
+org.gradle.caching=true
+org.gradle.parallel=true
+# Project properties --------------------------
+version=0.0.1
+semanticVersion=-SNAPSHOT
+buildBy=local
+buildHash=
+# SonarQube --------------------------
+systemProp.sonar.host.url=https://sonarcloud.io
+systemProp.sonar.organization=zero-88-github
+systemProp.sonar.projectKey=zero88_qwe_iot
+systemProp.sonar.login=
+# Signing -----------------------------
+signing.gnupg.executable=gpg
+signing.gnupg.useLegacyGpg=false
+signing.gnupg.homeDir=
+#signing.gnupg.optionsFile=
+signing.gnupg.keyName=
+signing.gnupg.passphrase=
+# Nexus repository --------------------
+## --- Sonatype OSSRH
+ossrh.snapshot.url=https://oss.sonatype.org/content/repositories/snapshots/
+ossrh.release.url=https://oss.sonatype.org/service/local/staging/deploy/maven2
+## --- GitHub Package
+github.nexus.url=https://maven.pkg.github.com
+nexus.username=
+nexus.password=
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..be52383
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+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
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..4f906e0
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/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 "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle.kts b/settings.gradle.kts
new file mode 100644
index 0000000..8b489c9
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1,19 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ *
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user manual at https://docs.gradle.org/6.7/userguide/multi_project_builds.html
+ */
+
+rootProject.name = "qwe-iot"
+include(":data", ":connector")
+
+include(
+    "connectors:bacnet:mixin",
+    "connectors:bacnet:base",
+    "connectors:bacnet:simulator",
+    "connectors:bacnet:service",
+    "connectors:bacnet:server"
+)