nl.renarj.jasdb.index.btreeplus.persistence

Class NodeBlockFactory

java.lang.Object

nl.renarj.jasdb.index.btreeplus.persistence.NodeBlockFactory

All Implemented Interfaces:

BlockFactory<TreeBlock>

Direct Known Subclasses:

RootBlockFactory

public class NodeBlockFactory
extends Object
implements BlockFactory<TreeBlock>

Author:

Renze de Vries

Field Summary

Fields

Modifier and Type	Field and Description
protected BlockPersister	persister

Constructor Summary

Constructors

Constructor and Description
NodeBlockFactory(BtreePlusBlockPersister persister)

Method Summary

Modifier and Type	Method and Description
TreeBlock	createBlock(long parentBlock, DataBlock dataBlock)
TreeBlock	loadBlock(DataBlock dataBlock)
protected KeyLoadResult	loadKeyResult(TreeBlock treeBlock, int offset, DataBlock dataBlock)
void	persistBlock(TreeBlock treeBlock)
protected DataBlock	writeKey(TreeBlock treeBlock, Key key, DataBlock dataBlock)

Methods inherited from class java.lang.Object

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

Field Detail

persister

protected BlockPersister persister

Constructor Detail

NodeBlockFactory

public NodeBlockFactory(BtreePlusBlockPersister persister)

Method Detail

loadBlock

public TreeBlock loadBlock(DataBlock dataBlock)
                    throws JasDBStorageException

Specified by:

loadBlock in interface BlockFactory<TreeBlock>

Throws:

JasDBStorageException

loadKeyResult

protected KeyLoadResult loadKeyResult(TreeBlock treeBlock,
                                      int offset,
                                      DataBlock dataBlock)
                               throws JasDBStorageException

Throws:

JasDBStorageException

persistBlock

public void persistBlock(TreeBlock treeBlock)
                  throws JasDBStorageException

Specified by:

persistBlock in interface BlockFactory<TreeBlock>

Throws:

JasDBStorageException

writeKey

protected DataBlock writeKey(TreeBlock treeBlock,
                             Key key,
                             DataBlock dataBlock)
                      throws JasDBStorageException

Throws:

JasDBStorageException

createBlock

public TreeBlock createBlock(long parentBlock,
                             DataBlock dataBlock)
                      throws JasDBStorageException

Specified by:

createBlock in interface BlockFactory<TreeBlock>

Throws:

JasDBStorageException