fix protocol threading

Author: madsodgaard

Sources/SwiftJava/JavaObject+Inheritance.swift

@@ -25,9 +25,10 @@ extension AnyJavaObject {
     guard let this: jobject = javaThisOptional else {
       return nil 
     }
+    let environment = try! JavaVirtualMachine.shared().environment()
 
-    return try? otherClass.withJNIClass(in: javaEnvironment) { otherJavaClass in
-      if javaEnvironment.interface.IsInstanceOf(javaEnvironment, this, otherJavaClass) == 0 { 
+    return try? otherClass.withJNIClass(in: environment) { otherJavaClass in
+      if environment.interface.IsInstanceOf(environment, this, otherJavaClass) == 0 {
         return nil
       }
 

Sources/SwiftJavaRuntimeSupport/generated/JavaJNISwiftInstance.swift

@@ -15,7 +15,11 @@
 import SwiftJava
 
 @JavaInterface("org.swift.swiftkit.core.JNISwiftInstance")
-public struct JavaJNISwiftInstance {
+public struct JavaJNISwiftInstance: AnyJavaObjectWithCustomClassLoader {
   @JavaMethod("$memoryAddress")
   public func memoryAddress() -> Int64
+
+  public static func getJavaClassLoader(in environment: JNIEnvironment) throws -> JavaClassLoader! {
+    JNI.shared.applicationClassLoader
+  }
 }