From 278709567ce2955d0f3670879576370a88d6a553 Mon Sep 17 00:00:00 2001
From: San Kim <waterfog9580@gmail.com>
Date: Sun, 21 Jan 2024 20:02:57 +0900
Subject: [PATCH] =?UTF-8?q?[WEAV-31]=20=E2=9C=A8=20UUID=20Creator=20Util?=
 =?UTF-8?q?=20=EC=84=A4=EC=A0=95=20(#7)?=
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---
 buildSrc/src/main/kotlin/Version.kt           |  1 +
 support/common/build.gradle.kts               |  4 ++++
 .../weave/support/common/uuid/UuidCreator.kt  | 22 +++++++++++++++++++
 3 files changed, 27 insertions(+)
 create mode 100644 support/common/src/main/kotlin/com/studentcenter/weave/support/common/uuid/UuidCreator.kt

diff --git a/buildSrc/src/main/kotlin/Version.kt b/buildSrc/src/main/kotlin/Version.kt
index c3320483..4b3e275b 100644
--- a/buildSrc/src/main/kotlin/Version.kt
+++ b/buildSrc/src/main/kotlin/Version.kt
@@ -9,6 +9,7 @@ object Version {
     const val SONAR_CLOUD = "4.4.1.3373"
 
     // dependencies
+    const val UUID_CREATOR = "5.3.3"
     const val MOCKK = "1.13.7"
     const val SPRING_MOCKK = "4.0.2"
     const val KOTEST = "5.6.0"
diff --git a/support/common/build.gradle.kts b/support/common/build.gradle.kts
index 16270d9b..7b46614d 100644
--- a/support/common/build.gradle.kts
+++ b/support/common/build.gradle.kts
@@ -5,3 +5,7 @@ val bootJar: BootJar by tasks
 
 bootJar.enabled = false
 jar.enabled = true
+
+dependencies {
+    implementation("com.github.f4b6a3:uuid-creator:${Version.UUID_CREATOR}")
+}
diff --git a/support/common/src/main/kotlin/com/studentcenter/weave/support/common/uuid/UuidCreator.kt b/support/common/src/main/kotlin/com/studentcenter/weave/support/common/uuid/UuidCreator.kt
new file mode 100644
index 00000000..5524ee50
--- /dev/null
+++ b/support/common/src/main/kotlin/com/studentcenter/weave/support/common/uuid/UuidCreator.kt
@@ -0,0 +1,22 @@
+package com.studentcenter.weave.support.common.uuid
+
+import java.util.*
+import com.github.f4b6a3.uuid.UuidCreator
+
+object UuidCreator {
+
+    /**
+     * uuid version 7 기반으로 uuid 를 생성합니다.
+     * millisecond 단위로 정렬된 uuid 를 생성하며,
+     * 동일한 시간에 생성될 경우 단조 증가 counter를 활용해, unique 하게 생성됩니다.
+     *
+     * @return uuid version 7 type 2
+     * @see <a href=https://datatracker.ietf.org/doc/draft-ietf-uuidrev-rfc4122bis>Universally Unique IDentifiers (UUID)</a>
+     * @see UuidCreator.getTimeOrdered()
+     * @author San Kim
+     */
+    fun create(): UUID {
+        return UuidCreator.getTimeOrderedEpochPlus1()
+    }
+
+}