com.wiredtiger.db.PackFormatInputStream Class Reference

An internal helper class for consuming pack format strings. More...

Public Member Functions
String	toString ()
	Standard toString - returns the string used during construction.
int	available ()
	Returns the approximate count of elements left in the format. More...
void	reset ()
	Reset the current stream position.

Protected Member Functions
	PackFormatInputStream (String format)
	Constructor for a format stream. More...
char	getType () throws WiredTigerPackingException
	Return the decoded type for the next entry in the format stream. More...
void	checkType (char asking, boolean consume) throws WiredTigerPackingException
	Check to see if the next entry is compatible with the requested type. More...
void	consume ()
	Move the format stream position ahead one position.
int	getLengthFromFormat (boolean advance)
	Retrieve a length from the format string. More...

Protected Attributes
String	format
int	formatOff
int	formatRepeatCount

Detailed Description

An internal helper class for consuming pack format strings.

Applications should not need to use this class.

Constructor & Destructor Documentation

com.wiredtiger.db.PackFormatInputStream.PackFormatInputStream ( String  format )

protected

Constructor for a format stream.

Parameters

format

the encoded format backing string.

Member Function Documentation

int com.wiredtiger.db.PackFormatInputStream.available

(

)

Returns the approximate count of elements left in the format.

This method does not account for repeat counts or string length encodings - so should be used as a guide only.

void com.wiredtiger.db.PackFormatInputStream.checkType ( char  asking, boolean  consume  ) throws WiredTigerPackingException

protected

Check to see if the next entry is compatible with the requested type.

Parameters

asking	the format type to match.
consume	indicates whether to update the stream position.

int com.wiredtiger.db.PackFormatInputStream.getLengthFromFormat ( boolean  advance )

protected

Retrieve a length from the format string.

Either for a repeat count or a string length. Return one if no explicit repeat count.

Parameters

advance

whether to move the stream position.

char com.wiredtiger.db.PackFormatInputStream.getType ( ) throws WiredTigerPackingException

protected

Return the decoded type for the next entry in the format stream.

Does not adjust the position of the stream.