Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions openlayer-java-core/build.gradle.kts
Original file line number Diff line number Diff line change
Expand Up @@ -20,4 +20,7 @@ dependencies {
testImplementation("org.assertj:assertj-core:3.25.3")
testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.3")
testImplementation("org.junit.jupiter:junit-jupiter-params:5.9.3")
testImplementation("org.mockito:mockito-core:5.14.2")
testImplementation("org.mockito:mockito-junit-jupiter:5.14.2")
testImplementation("org.mockito.kotlin:mockito-kotlin:4.1.0")
}
Original file line number Diff line number Diff line change
Expand Up @@ -15,20 +15,30 @@ internal fun closeWhenPhantomReachable(observed: Any, closeable: AutoCloseable)
check(observed !== closeable) {
"`observed` cannot be the same object as `closeable` because it would never become phantom reachable"
}
closeWhenPhantomReachable?.let { it(observed, closeable::close) }
closeWhenPhantomReachable(observed, closeable::close)
}

private val closeWhenPhantomReachable: ((Any, AutoCloseable) -> Unit)? by lazy {
/**
* Calls [close] when [observed] becomes only phantom reachable.
*
* This is a wrapper around a Java 9+ [java.lang.ref.Cleaner], or a no-op in older Java versions.
*/
@JvmSynthetic
internal fun closeWhenPhantomReachable(observed: Any, close: () -> Unit) {
closeWhenPhantomReachable?.let { it(observed, close) }
}

private val closeWhenPhantomReachable: ((Any, () -> Unit) -> Unit)? by lazy {
try {
val cleanerClass = Class.forName("java.lang.ref.Cleaner")
val cleanerCreate = cleanerClass.getMethod("create")
val cleanerRegister =
cleanerClass.getMethod("register", Any::class.java, Runnable::class.java)
val cleanerObject = cleanerCreate.invoke(null);

{ observed, closeable ->
{ observed, close ->
try {
cleanerRegister.invoke(cleanerObject, observed, Runnable { closeable.close() })
cleanerRegister.invoke(cleanerObject, observed, Runnable { close() })
} catch (e: ReflectiveOperationException) {
if (e is InvocationTargetException) {
when (val cause = e.cause) {
Expand Down