Implemented IceUtil.Cache properly

1 files changed, 56 insertions, 0 deletions

diff --git a/java/src/IceUtil/CountDownLatch.java b/java/src/IceUtil/CountDownLatch.java
new file mode 100644
index 00000000000..88e6719a102
--- /dev/null
+++ b/java/src/IceUtil/CountDownLatch.java
@@ -0,0 +1,56 @@
+// **********************************************************************
+//
+// Copyright (c) 2004
+// ZeroC, Inc.
+// Billerica, MA, USA
+//
+// All Rights Reserved.
+//
+// Ice is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License version 2 as published by
+// the Free Software Foundation.
+//
+// **********************************************************************
+
+package IceUtil;
+
+//
+// See java.util.CountDownLatch in Java 1.5
+//
+
+public class CountDownLatch
+{
+    public CountDownLatch(int count)
+    {
+	if(_count < 0)
+	{
+	    throw new IllegalArgumentException();
+	}
+    }
+
+    public synchronized void
+    await() throws InterruptedException
+    {
+	while(_count > 0)
+	{
+	    wait();
+	}
+    }
+    
+    public synchronized void
+    countDown()
+    {
+	if(--_count == 0)
+	{
+	    notifyAll();
+	}
+    }
+    
+    public synchronized long
+    getCount()
+    {
+	return _count;
+    }
+
+    private long _count;
+}