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

Class LeafFactoryFixedLongIndex

java.lang.Object

com.semedy.reasoner.edb.persistentstore.bplustree.LeafFactoryFixedLongIndex

All Implemented Interfaces:

LeafFactory<long[],TupleBuffer>

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

Constructor Summary

Constructors

Constructor	Description
LeafFactoryFixedLongIndex(int numKeys, int keyLengthInBytes, DataFile bufferfile, KeysFactoryFixedLong keysFactory)
LeafFactoryFixedLongIndex(int numKeys, int keyLengthInBytes, KeysFactoryFixedLong keysFactory)

Method Summary

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

LeafFactoryFixedLongIndex

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

LeafFactoryFixedLongIndex

public LeafFactoryFixedLongIndex(int numKeys,
 int keyLengthInBytes,
 DataFile bufferfile,
 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 BPlusLeafIndex 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 BPlusLeafIndex 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 BPlusLeafIndex 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: