Package com.semedy.reasoner.edb.persistentstore.bplustree

Interface LeafFactory<KeyType,KeyBufferType>

Type Parameters:

KeyType -

All Known Implementing Classes:

LeafFactoryFixedLong, LeafFactoryFixedLongIndex, LeafFactoryFixedLongRecords, LeafFactoryVariableBytes

public interface LeafFactory<KeyType,KeyBufferType>

factory for creating leafs

Author:

angele

Method Summary

Modifier and Type	Method	Description
BPlusLeaf<KeyType,KeyBufferType>	createLeaf(byte[] data, BPlusTree<KeyType,KeyBufferType> bplustree)	create a new leaf out of bytes
BPlusLeaf<KeyType,KeyBufferType>	createLeaf(BPlusKeys<KeyType,KeyBufferType> keys, long[] records, BPlusTree<KeyType,KeyBufferType> bplustree)	create a new leaf with given records and the offset to the left node
BPlusLeaf<KeyType,KeyBufferType>	createLeaf(BPlusKeys<KeyType,KeyBufferType> keys, BPlusTree<KeyType,KeyBufferType> bplustree)	create a new leaf
int	getNodeSize()	get the size of a bplus node in number of bytes

Method Details

createLeaf

BPlusLeaf<KeyType,KeyBufferType> createLeaf(BPlusKeys<KeyType,KeyBufferType> keys,
 BPlusTree<KeyType,KeyBufferType> bplustree)

create a new leaf

Parameters:

keys -

Returns:

createLeaf

BPlusLeaf<KeyType,KeyBufferType> createLeaf(BPlusKeys<KeyType,KeyBufferType> keys,
 long[] records,
 BPlusTree<KeyType,KeyBufferType> bplustree)

create a new leaf with given records and the offset to the left node

Parameters:

keys -

records -

Returns:

createLeaf

BPlusLeaf<KeyType,KeyBufferType> createLeaf(byte[] data,
 BPlusTree<KeyType,KeyBufferType> bplustree)

create a new leaf out of bytes

Parameters:

data -

Returns:

getNodeSize

int getNodeSize()

get the size of a bplus node in number of bytes

Returns: