Package com.db4o.internal.btree

Class BTreeRangeSingle

java.lang.Object

com.db4o.internal.btree.BTreeRangeSingle

All Implemented Interfaces:

BTreeRange

public class BTreeRangeSingle
extends java.lang.Object
implements BTreeRange

Field Summary

Fields

Modifier and Type	Field	Description
static Comparison4	COMPARISON

Constructor Summary

Constructors

Constructor	Description
BTreeRangeSingle(Transaction transaction, BTree btree, BTreePointer first, BTreePointer end)

Method Summary

Modifier and Type	Method	Description
void	accept(BTreeRangeVisitor visitor)
boolean	adjacent(BTreeRangeSingle range)
BTreePointer	end()
BTreeRange	extendToFirst()
BTreeRange	extendToLast()
BTreeRange	extendToLastOf(BTreeRange range)
BTreePointer	first()
BTreeRange	greater()
BTreeRange	intersect(BTreeRange range)
boolean	isEmpty()
Iterator4	keys()
BTreePointer	lastPointer()
BTreeRangeSingle	newBTreeRangeSingle(BTreePointer first, BTreePointer end)
BTreeRange	newEmptyRange()
boolean	overlaps(BTreeRangeSingle range)
Iterator4	pointers()	Iterates through all the valid pointers in this range.
int	size()
BTreeRange	smaller()
java.lang.String	toString()
Transaction	transaction()
BTreeRange	union(BTreeRange other)

Methods inherited from class java.lang.Object

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

Field Detail

COMPARISON

public static final Comparison4 COMPARISON

Constructor Detail

BTreeRangeSingle

public BTreeRangeSingle(Transaction transaction,
                        BTree btree,
                        BTreePointer first,
                        BTreePointer end)

Method Detail

accept

public void accept(BTreeRangeVisitor visitor)

Specified by:

accept in interface BTreeRange

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface BTreeRange

size

public int size()

Specified by:

size in interface BTreeRange

pointers

public Iterator4 pointers()

Description copied from interface: BTreeRange

Iterates through all the valid pointers in this range.

Specified by:

pointers in interface BTreeRange

Returns:

an Iterator4 over BTreePointer value

keys

public Iterator4 keys()

Specified by:

keys in interface BTreeRange

end

public final BTreePointer end()

transaction

public Transaction transaction()

first

public BTreePointer first()

greater

public BTreeRange greater()

Specified by:

greater in interface BTreeRange

union

public BTreeRange union(BTreeRange other)

Specified by:

union in interface BTreeRange

adjacent

public boolean adjacent(BTreeRangeSingle range)

overlaps

public boolean overlaps(BTreeRangeSingle range)

extendToFirst

public BTreeRange extendToFirst()

Specified by:

extendToFirst in interface BTreeRange

extendToLast

public BTreeRange extendToLast()

Specified by:

extendToLast in interface BTreeRange

smaller

public BTreeRange smaller()

Specified by:

smaller in interface BTreeRange

newBTreeRangeSingle

public BTreeRangeSingle newBTreeRangeSingle(BTreePointer first,
                                            BTreePointer end)

newEmptyRange

public BTreeRange newEmptyRange()

intersect

public BTreeRange intersect(BTreeRange range)

Specified by:

intersect in interface BTreeRange

extendToLastOf

public BTreeRange extendToLastOf(BTreeRange range)

Specified by:

extendToLastOf in interface BTreeRange

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

lastPointer

public BTreePointer lastPointer()

Specified by:

lastPointer in interface BTreeRange