C# Class Goedel.Persistence.LogPersistenceStore

A persistence store based on an append-only log.

Inheritance: PersistenceStore

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Public Methods

Method	Description
LogPersistenceStore ( string FileName ) : System	Open a persistence store with the specified file name in read only mode.
LogPersistenceStore ( string FileName, bool ReadOnly, string Type, string Comment ) : System	Open or create a persistence store in specified mode with the specified file name, content type and optional comment.
LogPersistenceStore ( string FileName, string Type, string Comment ) : System	Open or create a persistence store in read/write mode with the specified file name, content type and optional comment.

Protected Methods

Method	Description
Init ( string FileName, bool ReadOnly, string Type, string Comment ) : void	Initialization method. May be called by subclasses.
pStore ( DataItem DataItem ) : void	Virtual method that is called by the management class to perform the actual write operation to the store. Note that the caller is responsible for ensuring all necessary locks are acquired to ensure thread safety.

Private Methods

Method	Description
MakeHeader ( string Type, string Comment ) : void
Read ( ) : void
ReadRecord ( JSONReader JSONReader ) : LogEntry
Write ( LogEntry LogEntry ) : void

Method Details

Init() protected method

Initialization method. May be called by subclasses.

protected Init ( string FileName, bool ReadOnly, string Type, string Comment ) : void
FileName	string	Log file.
ReadOnly	bool	If true, persistence store must exist /// and will be opened in read-only mode. If false, persistence store /// is opened in read/write mode and a new store will be created /// if none exists.
Type	string	Type of data to store (the schema name).
Comment	string	Comment to be written to the log.
return	void

LogPersistenceStore() public method

Open a persistence store with the specified file name in read only mode.

public LogPersistenceStore ( string FileName ) : System
FileName	string	Log file.
return	System

LogPersistenceStore() public method

Open or create a persistence store in specified mode with the specified file name, content type and optional comment.

public LogPersistenceStore ( string FileName, bool ReadOnly, string Type, string Comment ) : System
FileName	string	Log file.
ReadOnly	bool	If true, persistence store must exist /// and will be opened in read-only mode. If false, persistence store /// is opened in read/write mode and a new store will be created /// if none exists.
Type	string	Type of data to store (the schema name).
Comment	string	Comment to be written to the log.
return	System

LogPersistenceStore() public method

Open or create a persistence store in read/write mode with the specified file name, content type and optional comment.

public LogPersistenceStore ( string FileName, string Type, string Comment ) : System
FileName	string	Log file.
Type	string	Type of data to store (the schema name).
Comment	string	Comment to be written to the log.
return	System

pStore() protected method

Virtual method that is called by the management class to perform the actual write operation to the store. Note that the caller is responsible for ensuring all necessary locks are acquired to ensure thread safety.

protected pStore ( DataItem DataItem ) : void
DataItem	DataItem	The data to be written.
return	void