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

Class LeafFactoryFixedLong

java.lang.Object

com.semedy.reasoner.edb.persistentstore.bplustree.LeafFactoryFixedLong

All Implemented Interfaces:

LeafFactory<long[],TupleBuffer>

public class LeafFactoryFixedLong
extends Object
implements LeafFactory<long[],TupleBuffer>

Constructor Summary

Constructors

Constructor	Description
LeafFactoryFixedLong(int numKeys, int keyLengthInBytes, KeysFactoryFixedLong keysFactory)

Method Summary

Modifier and Type	Method	Description
BPlusLeaf<long[],TupleBuffer>	createLeaf(byte[] bytes, BPlusTree<long[],TupleBuffer> bplustree)	Method for creating a leaf from the given byte array.
BPlusLeaf<long[],TupleBuffer>	createLeaf(BPlusKeys<long[],TupleBuffer> keys, long[] records, BPlusTree<long[],TupleBuffer> bplustree)	create a new leaf with given records and the offset to the left node
BPlusLeaf<long[],TupleBuffer>	createLeaf(BPlusKeys<long[],TupleBuffer> keys, BPlusTree<long[],TupleBuffer> bplustree)	create new leafs
int	getNodeSize()	get the size of a bplus node in number of bytes

Methods inherited from class java.lang.Object

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

Constructor Details

LeafFactoryFixedLong

public LeafFactoryFixedLong(int numKeys,
 int keyLengthInBytes,
 KeysFactoryFixedLong keysFactory)

Method Details

getNodeSize

public int getNodeSize()

Description copied from interface: LeafFactory

get the size of a bplus node in number of bytes

Specified by:

getNodeSize in interface LeafFactory<long[],TupleBuffer>

Returns:

createLeaf

public BPlusLeaf<long[],TupleBuffer> createLeaf(BPlusKeys<long[],TupleBuffer> keys,
 BPlusTree<long[],TupleBuffer> bplustree)

create new leafs

Specified by:

createLeaf in interface LeafFactory<long[],TupleBuffer>

Parameters:

keys -

bplustree -

Returns:

createLeaf

public BPlusLeaf<long[],TupleBuffer> createLeaf(BPlusKeys<long[],TupleBuffer> keys,
 long[] records,
 BPlusTree<long[],TupleBuffer> bplustree)

Description copied from interface: LeafFactory

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

Specified by:

createLeaf in interface LeafFactory<long[],TupleBuffer>

Returns:

createLeaf

public BPlusLeaf<long[],TupleBuffer> createLeaf(byte[] bytes,
 BPlusTree<long[],TupleBuffer> bplustree)

Method for creating a leaf from the given byte array.

Specified by:

createLeaf in interface LeafFactory<long[],TupleBuffer>

Parameters:

bytes -

Returns: