| /* |
| * 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. |
| */ |
| |
| /** |
| * @author Sergey L. Ivashin |
| * |
| */ |
| |
| #ifndef _COUNTER_H_ |
| #define _COUNTER_H_ |
| |
| |
| #include <stddef.h> |
| |
| |
| namespace Jitrino |
| { |
| |
| class CountWriter { |
| public: |
| |
| virtual ~CountWriter () {} |
| |
| virtual void write (const char* key, const char* value) = 0; |
| virtual void write (const char* key, int value) = 0; |
| virtual void write (const char* key, size_t value) = 0; |
| virtual void write (const char* key, double value) = 0; |
| }; |
| |
| |
| class CounterBase |
| { |
| public: |
| |
| CounterBase (const char* s = 0); |
| virtual ~CounterBase (); |
| |
| void setName (const char* s) {key = s;} |
| void link (); |
| virtual void write (CountWriter&) = 0; |
| |
| const char* key; |
| |
| //protected: |
| |
| CounterBase* next; |
| static CounterBase* head; |
| }; |
| |
| |
| template <typename T> |
| class Counter : public CounterBase |
| { |
| public: |
| |
| Counter (const char* s) : CounterBase(s) {} |
| Counter (const char* s, const T& v) : CounterBase(s), value(v) {} |
| |
| /*virtual*/void write (CountWriter& logs) {logs.write(key, value);} |
| |
| operator T& () {return value;} |
| |
| T value; |
| }; |
| |
| |
| } //namespace Jitrino |
| |
| #endif //#ifndef _COUNTER_H_ |