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

Class LeafFactoryFixedLongRecords

java.lang.Object

com.semedy.reasoner.edb.persistentstore.bplustree.LeafFactoryFixedLongRecords

All Implemented Interfaces:

LeafFactory<long[],TupleBuffer>

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
BPlusLeafRecords<long[],TupleBuffer>	createLeaf(byte[] bytes, BPlusTree<long[],TupleBuffer> bplustree)	Method for creating a leaf from the given byte array.
BPlusLeafRecords<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
BPlusLeafRecords<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

LeafFactoryFixedLongRecords

public LeafFactoryFixedLongRecords(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 BPlusLeafRecords<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 BPlusLeafRecords<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 BPlusLeafRecords<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: