svn commit: r702309 - /activemq/activemq-cpp/trunk/src/main/decaf/util/concurrent/Callable.h

[ta...@apache.org]

Author: tabish
Date: Mon Oct  6 17:14:33 2008
New Revision: 702309

URL: http://svn.apache.org/viewvc?rev=702309&view=rev
Log:
Add the Callable interface to the concurrent package.

Added:
    activemq/activemq-cpp/trunk/src/main/decaf/util/concurrent/Callable.h

Added: activemq/activemq-cpp/trunk/src/main/decaf/util/concurrent/Callable.h
URL: http://svn.apache.org/viewvc/activemq/activemq-cpp/trunk/src/main/decaf/util/concurrent/Callable.h?rev=702309&view=auto
==============================================================================
--- activemq/activemq-cpp/trunk/src/main/decaf/util/concurrent/Callable.h (added)
+++ activemq/activemq-cpp/trunk/src/main/decaf/util/concurrent/Callable.h Mon Oct  6 17:14:33 2008
@@ -0,0 +1,47 @@
+/*
+ * 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.
+ */
+
+#ifndef _DECAF_UTIL_CONCURRENT_CALLABLE_H_
+#define _DECAF_UTIL_CONCURRENT_CALLABLE_H_
+
+#include <decaf/util/Config.h>
+#include <decaf/lang/Exception.h>
+
+namespace decaf {
+namespace util {
+namespace concurrent {
+
+    template<typename V>
+    class DECAF_API Callable {
+    public:
+
+        virtual ~Callable() {}
+
+        /**
+         * Computes a result, or throws an exception if unable to do so.
+         * @returns
+         *      Computed Result.
+         * @throws Exception
+         *      If unable to compute a result.
+         */
+        virtual V call() throw ( decaf::lang::Exception ) = 0;
+
+    };
+
+}}}
+
+#endif /*_DECAF_UTIL_CONCURRENT_CALLABLE_H_*/