1 files changed, 0 insertions, 69 deletions
diff --git a/infrastructure/net.appjet.oui/synchronizer.scala b/infrastructure/net.appjet.oui/synchronizer.scala
deleted file mode 100644
index 2a6d9c1..0000000
--- a/infrastructure/net.appjet.oui/synchronizer.scala
+++ /dev/null
@@ -1,69 +0,0 @@
-/**
- * Copyright 2009 Google Inc.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package net.appjet.oui;
-
-class Synchronizer {
-  import java.util.concurrent.locks.ReentrantLock;
-  import java.util.concurrent.ConcurrentHashMap;
-  
-  private val lockMap = new ConcurrentHashMap[Object, Lock];
-  private val monitor = new Object {};
-  
-  private class Lock {
-    var users = 0;
-    val impl = new ReentrantLock;
-  }
-
-  def acquire(key: Object) {
-    val lock = monitor.synchronized {
-      var lck = lockMap.get(key);
-      if (lck == null) {
-	lck = new Lock;
-	lockMap.put(key, lck);
-      }
-      lck.users += 1;
-      lck;
-    }
-    lock.impl.lock();
-  }
-
-  def isHeld(key: Object): Boolean = {
-    monitor.synchronized {
-      val lck = lockMap.get(key);
-      if (lck == null) {
-        false;
-      }
-      else {
-        lck.impl.isLocked;
-      }
-    }
-  }
-  
-  def release(key: Object) {
-    val lock = monitor.synchronized {
-      var lck = lockMap.get(key);
-      lck.users -= 1;
-      if (lck.users == 0) {
-	lockMap.remove(key);
-      }
-      lck;
-    }
-    lock.impl.unlock();
-  }
-}
-
-object GlobalSynchronizer extends Synchronizer;