1 files changed, 63 insertions, 0 deletions
diff --git a/qpid/java/common/src/main/java/org/apache/qpid/transport/util/Waiter.java b/qpid/java/common/src/main/java/org/apache/qpid/transport/util/Waiter.java
new file mode 100644
index 0000000000..e034d779ca
--- /dev/null
+++ b/qpid/java/common/src/main/java/org/apache/qpid/transport/util/Waiter.java
@@ -0,0 +1,63 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.qpid.transport.util;
+
+
+/**
+ * Waiter
+ *
+ */
+
+public final class Waiter
+{
+
+    private final Object lock;
+    private final long timeout;
+    private final long start;
+    private long elapsed;
+
+    public Waiter(Object lock, long timeout)
+    {
+        this.lock = lock;
+        this.timeout = timeout;
+        this.start = System.currentTimeMillis();
+        this.elapsed = 0;
+    }
+
+    public boolean hasTime()
+    {
+        return elapsed < timeout;
+    }
+
+    public void await()
+    {
+        try
+        {
+            lock.wait(timeout - elapsed);
+        }
+        catch (InterruptedException e)
+        {
+            // pass
+        }
+        elapsed = System.currentTimeMillis() - start;
+    }
+
+}