Package org.eclipse.rdf4j.sail.nativerdf.btree

Interface RecordIterator

All Superinterfaces:
AutoCloseable, Closeable
public interface RecordIterator extends Closeable
An iterator that iterates over records, for example those in a BTree.
Author:
Arjohn Kampman
See Also:

  • Method Summary

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

  • Method Details

    • next

      byte[] next() throws IOException
      Returns the next record in the BTree.
      Returns:
      A record that is stored in the BTree, or null if all records have been returned.
      Throws:
      IOException - In case an I/O error occurred.

    • set

      void set(byte[] record) throws IOException
      Replaces the last record returned by next() with the specified record.
      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 records.
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Throws:
      IOException - In case an I/O error occurred.