Class JSONStateWriter

• Defined in File JSONStateWriter.h

Inheritance Relationships

Base Type

• public flamegpu::io::StateWriter (Class StateWriter)

Class Documentation

class JSONStateWriter : public flamegpu::io::StateWriter

JSON format StateWriter

Public Functions

JSONStateWriter()

Constructs a writer capable of writing model state to an JSON file

inline virtual bool isWriting() override

Returns true if beginWrite() has been called and writing is active

virtual void beginWrite(const std::string &output_file, bool pretty_print) override

Starts writing to the specified file in the specified mode

See also

endWrite()

Parameters:

• output_file – Filename of the input file (This will be used to determine which reader to return)

• pretty_print – Whether the output file should be “pretty” or minified.

Throws:

Throws – exception if beginWrite() is called a second time before endWrite() has been called

virtual void endWrite() override

Saves the current file and ends the writing state

See also

beginWrite(const std::string &, bool)

Throws:

• Throws – exception if file IO fails

• Throws – exception if beginWrite() has not been called so writing is not active

virtual void writeConfig(const Simulation *sim_instance) override

virtual void writeStats(unsigned int iterations) override

virtual void writeEnvironment(const std::shared_ptr<const detail::EnvironmentManager> &env_manager) override

virtual void writeMacroEnvironment(const std::shared_ptr<const detail::CUDAMacroEnvironment> &macro_env, std::initializer_list<std::string> filter = {}) override

Write the macro environment block

Parameters:

• macro_env – The macro environment to pull properties from

• filter – If provided, only named properties will be written. Note, if filter contains missing properties it will fail

virtual void writeAgents(const util::StringPairUnorderedMap<std::shared_ptr<const AgentVector>> &agents_map) override