nl.renarj.jasdb.index.btreeplus.persistence

Class RootBlockFactory

java.lang.Object

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

nl.renarj.jasdb.index.btreeplus.persistence.RootBlockFactory

All Implemented Interfaces:

BlockFactory<TreeBlock>

public class RootBlockFactory
extends NodeBlockFactory

Author:

Renze de Vries

Field Summary

Fields inherited from class nl.renarj.jasdb.index.btreeplus.persistence.NodeBlockFactory

persister

Constructor Summary

Constructors

Constructor and Description
RootBlockFactory(BtreePlusBlockPersister persister)

Method Summary

Modifier and Type	Method and Description
RootBlock	createBlock(long parentBlock, DataBlock dataBlock)
RootBlock	loadBlock(DataBlock dataBlock)
protected KeyLoadResult	loadKeyResult(TreeBlock treeBlock, int offset, DataBlock dataBlock)
void	persistBlock(TreeBlock treeBlock)
static void	writeHeader(DataBlock block, boolean isLeave)
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

Constructor Detail

RootBlockFactory

public RootBlockFactory(BtreePlusBlockPersister persister)

Method Detail

writeHeader

public static void writeHeader(DataBlock block,
                               boolean isLeave)
                        throws JasDBStorageException

Throws:

JasDBStorageException

loadBlock

public RootBlock loadBlock(DataBlock dataBlock)
                    throws JasDBStorageException

Specified by:

loadBlock in interface BlockFactory<TreeBlock>

Overrides:

loadBlock in class NodeBlockFactory

Throws:

JasDBStorageException

persistBlock

public void persistBlock(TreeBlock treeBlock)
                  throws JasDBStorageException

Specified by:

persistBlock in interface BlockFactory<TreeBlock>

Overrides:

persistBlock in class NodeBlockFactory

Throws:

JasDBStorageException

writeKey

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

Overrides:

writeKey in class NodeBlockFactory

Throws:

JasDBStorageException

loadKeyResult

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

Overrides:

loadKeyResult in class NodeBlockFactory

Throws:

JasDBStorageException

createBlock

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

Specified by:

createBlock in interface BlockFactory<TreeBlock>

Overrides:

createBlock in class NodeBlockFactory

Throws:

JasDBStorageException