Lightweight hashCode calc for LibraryInfo

vladimirdolzhenko · vladimirdolzhenko · commit e148cbede393 · 2021-02-15T10:36:35.000+01:00
#EA-6040509 Fixed #KTIJ-696 Fixed (cherry picked from commit bf9fa4c)
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/project/IdeaModuleInfos.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/project/IdeaModuleInfos.kt
@@ -386,7 +386,11 @@ abstract class LibraryInfo(override val project: Project, val library: Library)
         return (other is LibraryInfo && library == other.library)
     }
 
-    override fun hashCode(): Int = 43 * library.hashCode()
+    private val lazyHashCode: Int by lazy {
+        43 * library.hashCode()
+    }
+
+    override fun hashCode(): Int = lazyHashCode
 }
 
 data class LibrarySourceInfo(override val project: Project, val library: Library, override val binariesModuleInfo: BinaryModuleInfo) :

Original file line number	Diff line number	Diff line change
`@@ -386,7 +386,11 @@ abstract class LibraryInfo(override val project: Project, val library: Library)`
`386`	`386`	`return (other is LibraryInfo && library == other.library)`
`387`	`387`	`}`
`388`	`388`
`389`		`- override fun hashCode(): Int = 43 * library.hashCode()`
	`389`	`+ private val lazyHashCode: Int by lazy {`
	`390`	`+ 43 * library.hashCode()`
	`391`	`+ }`
	`392`	`+`
	`393`	`+ override fun hashCode(): Int = lazyHashCode`
`390`	`394`	`}`
`391`	`395`
`392`	`396`	`data class LibrarySourceInfo(override val project: Project, val library: Library, override val binariesModuleInfo: BinaryModuleInfo) :`