Make better sync timeboxed calls

org.scala-ide.sdt.debug/src/org/scalaide/debug/internal/model/ClassPrepareListener.scala

@@ -1,27 +1,9 @@
 package org.scalaide.debug.internal.model
 
 import com.sun.jdi.event.ClassPrepareEvent
-import scala.concurrent.Await
-import scala.concurrent.Future
-import scala.util.Try
 
 trait ClassPrepareListener {
-  import scala.concurrent.duration._
-  val Timeout = 500 millis
-  type Timeouted = Boolean
-
-  def notify(event: ClassPrepareEvent): Timeouted = {
-    import scala.concurrent.ExecutionContext.Implicits.global
-    import scala.concurrent.TimeoutException
-
-    Try {
-      Await.ready(Future { consume(event) }, Timeout)
-    }.map { _ =>
-      false
-    }.recover {
-      case e: TimeoutException => true
-    }.get
-  }
+  def notify(event: ClassPrepareEvent): Boolean = SyncCall.ready(consume(event))
 
   protected def consume(event: ClassPrepareEvent): Unit
 }

org.scala-ide.sdt.debug/src/org/scalaide/debug/internal/model/SyncCall.scala

@@ -6,11 +6,12 @@ import scala.concurrent.Future
 import org.scalaide.logging.HasLogger
 
 object SyncCall extends HasLogger {
+  import scala.concurrent.ExecutionContext.Implicits.global
   import scala.concurrent.duration._
   val Timeout = 500 millis
+  type TimeoutOccurred = Boolean
 
-  def apply[T](f: => T): Option[T] = {
-    import scala.concurrent.ExecutionContext.Implicits.global
+  def result[T](f: => T): Option[T] = {
     import scala.concurrent.TimeoutException
 
     Try {
@@ -19,8 +20,20 @@ object SyncCall extends HasLogger {
       Option.apply
     }.recover {
       case e: TimeoutException =>
-        logger.info("TIMEOUT waiting for debug cache actor in getLoadedNestedTypes")
+        logger.info("TIMEOUT waiting while 'f' called")
         None
     }.get
   }
+
+  def ready(f: => Unit): TimeoutOccurred = {
+    import scala.concurrent.TimeoutException
+
+    Try {
+      Await.ready(Future { f }, Timeout)
+    }.map { _ =>
+      false
+    }.recover {
+      case e: TimeoutException => true
+    }.get
+  }
 }