Quadcap Embeddable Database

com.quadcap.sql.file.PageManager Interface Reference

Inheritance diagram for com.quadcap.sql.file.PageManager:

List of all members.

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Detailed Description

Interface to be implemented by page (and sub-page) allocators.

Author:

Stan Bailes

Definition at line 50 of file PageManager.java.

Public Member Functions
long	newPage () throws IOException
	Allocate a new page.
void	freePage (long page) throws IOException
	Free a page.
int	getPageSize ()
	Return this manager's page size.
Page	getPage (long page) throws IOException
	Return the specified page.
Object	getLock ()
	Return the file lock.

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Member Function Documentation

void com.quadcap.sql.file.PageManager.freePage (  long  page  )  throws IOException

Free a page. Parameters: page  a previously allocated page Implemented in com.quadcap.sql.file.BlockFile, and com.quadcap.sql.file.SubPageManager. Referenced by com.quadcap.sql.file.BlockFile.freePage(), and com.quadcap.sql.file.BlockAccess.resize().

Object com.quadcap.sql.file.PageManager.getLock (   )

Return the file lock. Implemented in com.quadcap.sql.file.BlockFile, and com.quadcap.sql.file.SubPageManager. Referenced by com.quadcap.sql.file.BlockAccess.init().

Page com.quadcap.sql.file.PageManager.getPage (  long  page  )  throws IOException

Return the specified page. Implemented in com.quadcap.sql.file.BlockFile, and com.quadcap.sql.file.SubPageManager. Referenced by com.quadcap.sql.file.BlockPath.getLeafBlock(), com.quadcap.sql.file.BlockPath.getRefs(), com.quadcap.sql.file.BlockAccess.init(), com.quadcap.sql.file.BlockAccess.read(), com.quadcap.sql.file.BlockAccess.resize(), com.quadcap.sql.file.BlockPath.updatePath(), and com.quadcap.sql.file.BlockAccess.write().

int com.quadcap.sql.file.PageManager.getPageSize (   )

Return this manager's page size. Implemented in com.quadcap.sql.file.BlockFile, and com.quadcap.sql.file.SubPageManager. Referenced by com.quadcap.sql.file.BlockAccess.bufLen(), com.quadcap.sql.file.BlockFile.getBytes(), com.quadcap.sql.file.BlockFile.getPageOffset(), com.quadcap.sql.file.BlockFile.putBytes(), and com.quadcap.sql.file.BlockFile.updateBytes().

long com.quadcap.sql.file.PageManager.newPage (   )  throws IOException

Allocate a new page. Implemented in com.quadcap.sql.file.BlockFile, and com.quadcap.sql.file.SubPageManager. Referenced by com.quadcap.sql.file.BlockAccess.makeBlockRef(), com.quadcap.sql.file.BlockFile.putBytes(), and com.quadcap.sql.file.BlockAccess.resize().