com.bigdata.btree

Class BTree.NodeFactory

java.lang.Object

com.bigdata.btree.BTree.NodeFactory

All Implemented Interfaces:

INodeFactory

Enclosing class:

BTree

protected static class BTree.NodeFactory
extends Object
implements INodeFactory

Factory for mutable nodes and leaves used by the NodeSerializer.

Field Summary

Fields

Modifier and Type	Field and Description
static INodeFactory	INSTANCE

Method Summary

Methods

Modifier and Type	Method and Description
Leaf	allocLeaf(AbstractBTree btree, long addr, ILeafData data) Create a leaf.
Node	allocNode(AbstractBTree btree, long addr, INodeData data) Create a node.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final INodeFactory INSTANCE

Method Detail

allocLeaf

public Leaf allocLeaf(AbstractBTree btree,
             long addr,
             ILeafData data)

Description copied from interface: INodeFactory

Create a leaf.

Specified by:

allocLeaf in interface INodeFactory

Parameters:

btree - The owning B+Tree.

addr - The address from which the leaf was read.

data - The leaf data record.

Returns:

A leaf initialized from those data.

allocNode

public Node allocNode(AbstractBTree btree,
             long addr,
             INodeData data)

Description copied from interface: INodeFactory

Create a node.

Specified by:

allocNode in interface INodeFactory

Parameters:

btree - The owning B+Tree.

addr - The address from which the node was read.

data - The node data record.

Returns:

A node initialized from those data.