From c4a543c18a8285a2a8be1edee1c725a27bffe4cb Mon Sep 17 00:00:00 2001
From: Paul Kraft <pauljohanneskraft@users.noreply.github.com>
Date: Sat, 9 Nov 2024 15:43:02 -0800
Subject: [PATCH] Readd uuid property

---
 .../knowledgesource/KnowledgeSource.kt          |  9 ++++++++-
 .../spezi/core/utils/SharedRepositoryTest.kt    | 17 ++++++++++++++---
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/core/utils/src/main/kotlin/edu/stanford/spezi/core/utils/foundation/knowledgesource/KnowledgeSource.kt b/core/utils/src/main/kotlin/edu/stanford/spezi/core/utils/foundation/knowledgesource/KnowledgeSource.kt
index 35dff4652..e01160fe4 100644
--- a/core/utils/src/main/kotlin/edu/stanford/spezi/core/utils/foundation/knowledgesource/KnowledgeSource.kt
+++ b/core/utils/src/main/kotlin/edu/stanford/spezi/core/utils/foundation/knowledgesource/KnowledgeSource.kt
@@ -1,5 +1,12 @@
 package edu.stanford.spezi.core.utils.foundation.knowledgesource
 
 import edu.stanford.spezi.core.utils.foundation.RepositoryAnchor
+import java.util.UUID
 
-interface KnowledgeSource<Anchor : RepositoryAnchor, Value : Any>
+interface KnowledgeSource<Anchor : RepositoryAnchor, Value : Any> {
+    @Suppress("detekt:VariableMinLength")
+    val uuid: UUID
+
+    fun isEqualTo(other: KnowledgeSource<Anchor, Value>): Boolean =
+        uuid == other.uuid
+}
diff --git a/core/utils/src/test/kotlin/edu/stanford/spezi/core/utils/SharedRepositoryTest.kt b/core/utils/src/test/kotlin/edu/stanford/spezi/core/utils/SharedRepositoryTest.kt
index ad2c6a095..dbb18d79f 100644
--- a/core/utils/src/test/kotlin/edu/stanford/spezi/core/utils/SharedRepositoryTest.kt
+++ b/core/utils/src/test/kotlin/edu/stanford/spezi/core/utils/SharedRepositoryTest.kt
@@ -19,7 +19,9 @@ interface TestTypes {
 
 data class TestDataClass(override var value: Int) : TestTypes {
     companion object {
-        val key = object : KnowledgeSource<TestAnchor, TestDataClass> {}
+        val key = object : KnowledgeSource<TestAnchor, TestDataClass> {
+            override val uuid = UUID()
+        }
     }
 }
 
@@ -34,15 +36,20 @@ class TestClass(override val value: Int) : TestTypes {
     }
 
     companion object {
-        val key = object : KnowledgeSource<TestAnchor, TestClass> {}
+        val key = object : KnowledgeSource<TestAnchor, TestClass> {
+            override val uuid = UUID()
+        }
     }
 }
 
-object KeyLike : KnowledgeSource<TestAnchor, TestClass>
+object KeyLike : KnowledgeSource<TestAnchor, TestClass> {
+    override val uuid = UUID()
+}
 
 data class DefaultedTestDataClass(override val value: Int) : TestTypes {
     companion object {
         val key = object : DefaultProvidingKnowledgeSource<TestAnchor, DefaultedTestDataClass> {
+            override val uuid = UUID()
             override val defaultValue get() = DefaultedTestDataClass(0)
         }
     }
@@ -55,6 +62,7 @@ data class ComputedTestDataClass(override val value: Int) : TestTypes {
             ComputedTestDataClass,
             SharedRepository<TestAnchor>
             > {
+            override val uuid = UUID()
             override val storagePolicy: ComputedKnowledgeSourceStoragePolicy =
                 ComputedKnowledgeSourceStoragePolicy.AlwaysCompute
             override fun compute(repository: SharedRepository<TestAnchor>) =
@@ -66,6 +74,7 @@ data class ComputedTestDataClass(override val value: Int) : TestTypes {
             ComputedTestDataClass,
             SharedRepository<TestAnchor>
             > {
+            override val uuid = UUID()
             override val storagePolicy: ComputedKnowledgeSourceStoragePolicy =
                 ComputedKnowledgeSourceStoragePolicy.Store
             override fun compute(repository: SharedRepository<TestAnchor>) =
@@ -81,6 +90,7 @@ data class OptionalComputedTestDataClass(override val value: Int) : TestTypes {
             OptionalComputedTestDataClass,
             SharedRepository<TestAnchor>
             > {
+            override val uuid = UUID()
             override val storagePolicy: ComputedKnowledgeSourceStoragePolicy =
                 ComputedKnowledgeSourceStoragePolicy.AlwaysCompute
             override fun compute(repository: SharedRepository<TestAnchor>): OptionalComputedTestDataClass? =
@@ -92,6 +102,7 @@ data class OptionalComputedTestDataClass(override val value: Int) : TestTypes {
             OptionalComputedTestDataClass,
             SharedRepository<TestAnchor>
             > {
+            override val uuid = UUID()
             override val storagePolicy: ComputedKnowledgeSourceStoragePolicy =
                 ComputedKnowledgeSourceStoragePolicy.Store
             override fun compute(repository: SharedRepository<TestAnchor>): OptionalComputedTestDataClass? =