org.netbeans.mdr.persistence.btreeimpl.btreeindex
Class BtreeCollection

java.lang.Object
  java.util.AbstractCollection
      org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeCollection

All Implemented Interfaces:

java.lang.Iterable, java.util.Collection

public class BtreeCollection
extends java.util.AbstractCollection

This is the read-only Collection interface to the set of values contained in a SinglevaluedBtree.

Version:

1.0

Author:

Dana Bergen

Field Summary

protected Btree

btree

Constructor Summary

BtreeCollection(Btree btree)
Construct a Collection view of a btree.

Method Summary

boolean	isEmpty()
java.util.Iterator	iterator() Returns an iterator on this BtreeCollection
int	size() Returns the number of items in this btree

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, contains, containsAll, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode

Field Detail

btree

protected Btree btree

Constructor Detail

BtreeCollection

public BtreeCollection(Btree btree)

Construct a Collection view of a btree.

Parameters:

btree - the btree

Method Detail

size

public int size()

Returns the number of items in this btree

Specified by:

size in interface java.util.Collection

Specified by:

size in class java.util.AbstractCollection

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection

Overrides:

isEmpty in class java.util.AbstractCollection

iterator

public java.util.Iterator iterator()

Returns an iterator on this BtreeCollection

Specified by:

iterator in interface java.lang.Iterable

Specified by:

iterator in interface java.util.Collection

Specified by:

iterator in class java.util.AbstractCollection