org.jrdf.util.btree
Interface RecordIterator

public interface RecordIterator

An iterator that iterates over the values in a BTree.

Author:

Arjohn Kampman

See Also:

BTree

Method Summary

void	close() Closes the iterator, freeing any resources that it uses.
byte[]	next() Returns the next value in the BTree.
void	set(byte[] value) Replaces the last value returned by next() with the specified value.

Method Detail

next

byte[] next()
            throws IOException

Returns the next value in the BTree.

Returns:

A value that is stored in the BTree, or null if all values have been returned.

Throws:

IOException - In case an I/O error occurred.

set

void set(byte[] value)
         throws IOException

Replaces the last value returned by next() with the specified value.

Throws:

IOException - In case an I/O error occurred.

close

void close()
           throws IOException

Closes the iterator, freeing any resources that it uses. Once closed, the iterator will not return any more values.

Throws:

IOException - In case an I/O error occurred.