/** Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved. Contact: SYSTAP, LLC DBA Blazegraph 2501 Calvert ST NW #106 Washington, DC 20008 licenses@blazegraph.com 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 Nov 5, 2011 */ package com.bigdata.bop; import com.bigdata.btree.IndexMetadata; /** * Annotations for operators using a persistence capable index. * * TODO Annotations for key and value raba coders. * * @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a> * @version $Id$ */ public interface IndexAnnotations { /** * @see IndexMetadata.Options#WRITE_RETENTION_QUEUE_CAPACITY */ String WRITE_RETENTION_QUEUE_CAPACITY = IndexMetadata.Options.WRITE_RETENTION_QUEUE_CAPACITY; final int DEFAULT_WRITE_RETENTION_QUEUE_CAPACITY = 4000; /** * When <code>true</code> raw record references will be written on the * backing store and the index will manage the mapping between the keys and * the storage addresses rather than having the byte[] values inline in the * bucket page (default {@link #DEFAULT_RAW_RECORDS}). * * @see IndexMetadata#getRawRecords() */ String RAW_RECORDS = IndexAnnotations.class.getName() + ".rawRecords"; boolean DEFAULT_RAW_RECORDS = false; /** * When {@link #RAW_RECORDS} are used, this will be the maximum byte length * of a byte[] value before it is written as a raw record on the backing * store rather than inlined within the bucket page (default * {@value #DEFAULT_MAX_RECLEN} . * * @see IndexMetadata#getMaxRecLen() */ String MAX_RECLEN = IndexAnnotations.class.getName() + ".maxRecLen"; int DEFAULT_MAX_RECLEN = 128; }