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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2009, 2015 Oracle and/or its affiliates. All rights reserved.
*
*/
using System;
using System.Collections.Generic;
using System.Text;
using BerkeleyDB.Internal;
namespace BerkeleyDB {
/// <summary>
/// A class for traversing the records of a <see cref="RecnoDatabase"/>
/// </summary>
public class RecnoCursor : Cursor {
internal RecnoCursor(DBC dbc, uint pagesize)
: base(dbc, DatabaseType.RECNO, pagesize) { }
internal RecnoCursor(DBC dbc, uint pagesize, CachePriority p)
: base(dbc, DatabaseType.RECNO, pagesize, p) { }
/// <summary>
/// Create a new cursor that uses the same transaction and locker ID as
/// the original cursor.
/// </summary>
/// <remarks>
/// This is useful when an application is using locking and requires two
/// or more cursors in the same thread of control.
/// </remarks>
/// <param name="keepPosition">
/// If true, the newly created cursor is initialized to refer to the
/// same position in the database as the original cursor (if any) and
/// hold the same locks (if any). If false, or if the original cursor does
/// not hold a database position and locks, the created cursor is
/// uninitialized and behaves like a cursor newly created by
/// <see cref="RecnoDatabase.Cursor"/>.</param>
/// <returns>A newly created cursor</returns>
public new RecnoCursor Duplicate(bool keepPosition) {
return new RecnoCursor(
dbc.dup(keepPosition ? DbConstants.DB_POSITION : 0), pgsz);
}
/// <summary>
/// Insert the data element as a duplicate element of the key to which
/// the cursor refers.
/// </summary>
/// <param name="data">The data element to insert</param>
/// <param name="loc">
/// Specify whether to insert the data item immediately before or
/// immediately after the cursor's current position.
/// </param>
public new void Insert(DatabaseEntry data, InsertLocation loc) {
base.Insert(data, loc);
}
}
}
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