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/*
 * Terrier - Terabyte Retriever 
 * Webpage: http://terrier.org 
 * Contact: terrier{a.}dcs.gla.ac.uk
 * University of Glasgow - School of Computing Science
 * http://www.gla.ac.uk/
 * 
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is ConcurrentReadable.java.
 *
 * The Original Code is Copyright (C) 2017-2020 the University of Glasgow.
 * All Rights Reserved.
 *
 * Contributor(s):
 *  Craig Macdonald
 */
package org.terrier.structures;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Retention;

/** This annotation makes that an index data 
 * structure can be read by more than one thread concurrently. */
@Retention(RetentionPolicy.RUNTIME)
public @interface ConcurrentReadable 
{
}