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Fledge
An open source edge computing platform for industrial users
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Fledge
An open source edge computing platform for industrial users
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JSONReading class. More...
#include <reading_set.h>
Public Member Functions | |
| JSONReading (const rapidjson::Value &json) | |
| Construct a reading from a JSON document. More... | |
| unsigned long | getId () const |
 Public Member Functions inherited from Reading | |
| Reading (const std::string &asset, Datapoint *value) | |
| Reading (const std::string &asset, std::vector< Datapoint * > values) | |
| Reading (const std::string &asset, std::vector< Datapoint * > values, const std::string &ts) | |
| Reading (const std::string &asset, const std::string &datapoints) | |
| Reading (const Reading &orig) | |
| Reading copy constructor. | |
| virtual | ~Reading () |
| Destructor for Reading class. | |
| void | addDatapoint (Datapoint *value) |
| Add another data point to an asset reading. | |
| Datapoint * | removeDatapoint (const std::string &name) |
| Remove a datapoint from the reading. More... | |
| Datapoint * | getDatapoint (const std::string &name) const |
| Return a specific data point by name. More... | |
| std::string | toJSON (bool minimal=false) const |
| Return the asset reading as a JSON structure encoded in a C++ string. | |
| std::string | getDatapointsJSON () const |
| Return the asset reading as a JSON structure encoded in a C++ string. | |
| const std::string & | getAssetName () const |
| void | setAssetName (std::string assetName) |
| unsigned int | getDatapointCount () |
| void | removeAllDatapoints () |
| Remove all data points for Reading class. | |
| const std::vector< Datapoint * > | getReadingData () const |
| std::vector< Datapoint * > & | getReadingData () |
| bool | hasId () const |
| unsigned long | getId () const |
| unsigned long | getTimestamp () const |
| unsigned long | getUserTimestamp () const |
| void | setId (unsigned long id) |
| void | setTimestamp (unsigned long ts) |
| void | setTimestamp (struct timeval tm) |
| void | setTimestamp (const std::string ×tamp) |
| void | getTimestamp (struct timeval *tm) |
| void | setUserTimestamp (unsigned long uTs) |
| void | setUserTimestamp (struct timeval tm) |
| void | setUserTimestamp (const std::string ×tamp) |
| void | getUserTimestamp (struct timeval *tm) |
| void | getFormattedDateTimeStr (const time_t *tv_sec, char *date_time, readingTimeFormat dateFormat) const |
| Convert time since epoch to a formatted m_timestamp DataTime in UTC and use a cache to speed it up. More... | |
| const std::string | getAssetDateTime (readingTimeFormat datetimeFmt=FMT_DEFAULT, bool addMs=true) const |
| Return a formatted m_timestamp DataTime in UTC. More... | |
| const std::string | getAssetDateUserTime (readingTimeFormat datetimeFmt=FMT_DEFAULT, bool addMs=true) const |
| Return a formatted m_userTimestamp DataTime in UTC. More... | |
| std::string | substitute (const std::string &str) |
| Substitute values from this reading into the string. More... | |
Additional Inherited Members | |
| Public Types inherited from Reading | |
| enum | dateTimeFormat { FMT_DEFAULT, FMT_STANDARD, FMT_ISO8601, FMT_ISO8601MS } |
| typedef enum Reading::dateTimeFormat | readingTimeFormat |
| Protected Member Functions inherited from Reading | |
| Reading & | operator= (Reading const &) |
| void | stringToTimestamp (const std::string ×tamp, struct timeval *ts) |
| Convert a string timestamp, with milliseconds to a struct timeval. More... | |
| const std::string | escape (const std::string &str) const |
| Escape quotes etc to allow the string to be a property value within a JSON document. More... | |
| std::vector< Datapoint * > * | JSONtoDatapoints (const rapidjson::Value &json) |
| Convert a JSON Value object to a set of data points. More... | |
| Protected Attributes inherited from Reading | |
| unsigned long | m_id |
| bool | m_has_id |
| std::string | m_asset |
| struct timeval | m_timestamp |
| struct timeval | m_userTimestamp |
| std::vector< Datapoint * > | m_values |
| Static Protected Attributes inherited from Reading | |
| static std::vector< std::string > | m_dateTypes |
JSONReading class.
A specialised reading class that allows creation from a JSON document
| JSONReading::JSONReading | ( | const rapidjson::Value & | json | ) |
Construct a reading from a JSON document.
The data can be in the "value" property as single numeric value or in the JSON "reading" with different values and types
| json | The JSON document that contains the reading |
1.8.17