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InstancePointerTable.h
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00001 /** 00002 * @file InstancePointerTable.h 00003 * @brief instance pointer table header 00004 * @author Doug Anson/Chris Paola 00005 * @version 1.0 00006 * @see 00007 * 00008 * Copyright (c) 2014 00009 * 00010 * Licensed under the Apache License, Version 2.0 (the "License"); 00011 * you may not use this file except in compliance with the License. 00012 * You may obtain a copy of the License at 00013 * 00014 * http://www.apache.org/licenses/LICENSE-2.0 00015 * 00016 * Unless required by applicable law or agreed to in writing, software 00017 * distributed under the License is distributed on an "AS IS" BASIS, 00018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00019 * See the License for the specific language governing permissions and 00020 * limitations under the License. 00021 */ 00022 00023 #ifndef __INSTANCE_POINTER_TABLE_H__ 00024 #define __INSTANCE_POINTER_TABLE_H__ 00025 00026 // Logger support 00027 #include "Logger.h" 00028 00029 // string support 00030 #include <string> 00031 00032 // Configuration 00033 #include "mbedConnectorInterface.h" 00034 00035 // our table row structure 00036 typedef struct { 00037 string key; 00038 void *instance; 00039 } InstancePointerTableRow; 00040 00041 /** InstancePointerTable class 00042 */ 00043 class InstancePointerTable 00044 { 00045 public: 00046 /** 00047 Default constructor 00048 @param logger input the logger instance 00049 */ 00050 InstancePointerTable(const Logger *logger = NULL); 00051 00052 /** 00053 Destructor 00054 */ 00055 virtual ~InstancePointerTable(); 00056 00057 /** 00058 Add pointer to the instance table 00059 @param key input the key for the new pointer 00060 @param instance input the instance pointer to save 00061 */ 00062 void add(string key,void *instance); 00063 00064 /** 00065 Get a instance pointer index by the name of the key 00066 @param key input the key to use for the lookup 00067 @returns the instance pointer if found or NULL if not found 00068 */ 00069 void *get(string key); 00070 00071 /** 00072 Set the Logger instance 00073 @param logger input the logger instance 00074 */ 00075 void setLogger(const Logger *logger); 00076 00077 private: 00078 Logger *m_logger; 00079 InstancePointerTableRow m_instance_pointer_table[IPT_MAX_ENTRIES]; 00080 00081 // initialize our table 00082 void init(); 00083 00084 // get the next empty slot 00085 int nextEmptySlot(); 00086 00087 // index from key 00088 int indexFromKey(string key); 00089 00090 // get our logger 00091 Logger *logger(); 00092 }; 00093 00094 #endif // __INSTANCE_POINTER_TABLE_H__
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