com.bigdata.gom.gpo.IOrderedLinkSet Maven / Gradle / Ivy
/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
[email protected]
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Mar 22, 2012
*/
package com.bigdata.gom.gpo;
/**
* An ordered link set.
*
* @author Bryan Thompson
* @version $Id$
*/
public interface IOrderedLinkSet extends ILinkSet {
/**
* {@inheritDoc}
*
* This value is known directly to the link set and is available in O(1).
*/
public int size();
/**
* {@inheritDoc}
*
* This value is known directly to the link set and is available in O(1).
*/
public long size2();
/**
* Returns the first member of the link set or null iff the
* link set is empty.
*/
public IGPO getFirst();
/**
* Returns the last member of the link set or null iff the link
* set is empty.
*/
public IGPO getLast();
/**
* Returns the next member of the link set or null iff
* member is the last member of the link set.
*
* @param member
* A member of the link set.
*
* @exception IllegalArgumentException
* if member is null or otherwise not a
* member of the link set.
*/
public IGPO getNext(IGPO member);
/**
* Returns the prior member of the link set or null iff
* member is the first member of the link set.
*
* @param member
* A member of the link set.
*
* @exception IllegalArgumentException
* if member is null or otherwise not a
* member of the link set.
*/
public IGPO getPrior(IGPO member);
}