| /* |
| * 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_DELAYED_H_ |
| #define _DECAF_UTIL_CONCURRENT_DELAYED_H_ |
| |
| #include <decaf/util/Config.h> |
| |
| #include <decaf/lang/Comparable.h> |
| #include <decaf/util/concurrent/TimeUnit.h> |
| |
| namespace decaf { |
| namespace util { |
| namespace concurrent { |
| |
| /** |
| * A mix-in style interface for marking objects that should be acted upon after a |
| * given delay. |
| * <p> |
| * An implementation of this interface must define a Comparable methods that provides an |
| * ordering consistent with its getDelay method. |
| */ |
| class DECAF_API Delayed : public decaf::lang::Comparable<Delayed> { |
| public: |
| |
| virtual ~Delayed() {} |
| |
| /** |
| * Returns the remaining delay associated with this object, in the given time unit. |
| * |
| * @param unit |
| * The time unit |
| * |
| * @return the remaining delay; zero or negative values indicate that the delay |
| * has already elapsed |
| */ |
| virtual long long getDelay( const TimeUnit& unit ) = 0; |
| |
| }; |
| |
| }}} |
| |
| #endif /* _DECAF_UTIL_CONCURRENT_DELAYED_H_ */ |