92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
#ifndef DATASET_H_
|
|
#define DATASET_H_
|
|
|
|
#include <framework/datapool/DataSetBase.h>
|
|
|
|
/**
|
|
* @brief The DataSet class manages a set of locally checked out variables
|
|
* for the global data pool.
|
|
* @details
|
|
* This class uses the read-commit() semantic provided by the DataSetBase class.
|
|
* It extends the base class by using the global data pool,
|
|
* having a valid state and implementing lock und unlock calls for the global
|
|
* datapool.
|
|
*
|
|
* For more information on how this class works, see the DataSetBase
|
|
* documentation.
|
|
* @author Bastian Baetz
|
|
* @ingroup data_pool
|
|
*/
|
|
class GlobDataSet: public DataSetBase {
|
|
public:
|
|
|
|
/**
|
|
* @brief Creates an empty GlobDataSet. Use registerVariable or
|
|
* supply a pointer to this dataset to PoolVariable
|
|
* initializations to register pool variables.
|
|
*/
|
|
GlobDataSet();
|
|
|
|
/**
|
|
* @brief The destructor automatically manages writing the valid
|
|
* information of variables.
|
|
* @details
|
|
* In case the data set was read out, but not committed(indicated by state),
|
|
* the destructor parses all variables that are still registered to the set.
|
|
* For each, the valid flag in the data pool is set to "invalid".
|
|
*/
|
|
~GlobDataSet();
|
|
|
|
/**
|
|
* Variant of method above which sets validity of all elements of the set.
|
|
* @param valid Validity information from PoolVariableIF.
|
|
* @return - @c RETURN_OK if all variables were read successfully.
|
|
* - @c COMMITING_WITHOUT_READING if set was not read yet and
|
|
* contains non write-only variables
|
|
*/
|
|
ReturnValue_t commit(bool valid);
|
|
ReturnValue_t commit() override;
|
|
|
|
/**
|
|
* Set all entries
|
|
* @param valid
|
|
*/
|
|
void setSetValid(bool valid);
|
|
|
|
/**
|
|
* Set the valid information of all variables contained in the set which
|
|
* are not read-only
|
|
*
|
|
* @param valid Validity information from PoolVariableIF.
|
|
*/
|
|
void setEntriesValid(bool valid);
|
|
|
|
private:
|
|
/**
|
|
* If the valid state of a dataset is always relevant to the whole
|
|
* data set we can use this flag.
|
|
*/
|
|
bool valid = false;
|
|
|
|
/**
|
|
* @brief This is a small helper function to facilitate locking
|
|
* the global data pool.
|
|
* @details
|
|
* It makes use of the lockDataPool method offered by the DataPool class.
|
|
*/
|
|
ReturnValue_t lockDataPool() override;
|
|
|
|
/**
|
|
* @brief This is a small helper function to facilitate
|
|
* unlocking the global data pool
|
|
* @details
|
|
* It makes use of the freeDataPoolLock method offered by the DataPool class.
|
|
*/
|
|
ReturnValue_t unlockDataPool() override;
|
|
|
|
void handleAlreadyReadDatasetCommit();
|
|
ReturnValue_t handleUnreadDatasetCommit();
|
|
};
|
|
|
|
#endif /* DATASET_H_ */
|