com.bigdata.btree
Class IndexSegment.ImmutableNodeFactory

java.lang.Object
  com.bigdata.btree.IndexSegment.ImmutableNodeFactory

All Implemented Interfaces:

INodeFactory

Enclosing class:

IndexSegment

protected static class IndexSegment.ImmutableNodeFactory
extends Object
implements INodeFactory

Factory for immutable nodes and leaves used by the NodeSerializer.

Nested Class Summary

static class	IndexSegment.ImmutableNodeFactory.ImmutableLeaf Immutable leaf throws UnsupportedOperationException for the public mutator API but does not try to override all low-level mutation behaviors.
static class	IndexSegment.ImmutableNodeFactory.ImmutableNode Immutable node throws UnsupportedOperationException for the public mutator API but does not try to override all low-level mutation behaviors.

Field Summary

static INodeFactory

INSTANCE

Method Summary

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.