Module org.apache.jena.dboe.trans.data

Package org.apache.jena.dboe.trans.bplustree

Class BPTStateMgr

java.lang.Object

org.apache.jena.dboe.transaction.txn.StateMgrBase

org.apache.jena.dboe.transaction.txn.StateMgrData

org.apache.jena.dboe.trans.bplustree.BPTStateMgr

All Implemented Interfaces:

org.apache.jena.atlas.lib.Closeable, org.apache.jena.atlas.lib.Sync

public class BPTStateMgr
extends StateMgrData

Manage the persistent state of the tree This consists of last committed root, and the limits on the blocks for both nodes and records. (rootId/int-as-long, nodeAllocLimit/long, recordsAllocLimit/long)

Constructor Summary

Constructors

Constructor	Description
BPTStateMgr(org.apache.jena.dboe.base.file.BufferChannel storage)

Method Summary

Modifier and Type	Method	Description
long	getNodeBlocksLimit()
long	getRecordsBlocksLimit()
int	getRoot()
void	setState(int rootIdx, long nodeBlkLimit, long recordsBlkLimit)	Set the state - does not write it to disk.

Methods inherited from class org.apache.jena.dboe.transaction.txn.StateMgrBase

close, getBufferChannel, getState, readState, setState, sync, writeState

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BPTStateMgr

public BPTStateMgr(org.apache.jena.dboe.base.file.BufferChannel storage)

Method Details

setState

public void setState(int rootIdx,
 long nodeBlkLimit,
 long recordsBlkLimit)

Set the state - does not write it to disk.

getRoot

public int getRoot()

getNodeBlocksLimit

public long getNodeBlocksLimit()

getRecordsBlocksLimit

public long getRecordsBlocksLimit()