org.eclipse.rdf4j.sail.nativerdf.ValueStoreRevision Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of rdf4j-sail-nativerdf Show documentation

Sail implementation that stores data directly to disk in dedicated file formats.

There is a newer version: 5.1.0

/*******************************************************************************
 * Copyright (c) 2015 Eclipse RDF4J contributors, Aduna, and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Distribution License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *******************************************************************************/
package org.eclipse.rdf4j.sail.nativerdf;

import java.io.Serializable;

import org.eclipse.rdf4j.common.annotation.InternalUseOnly;
import org.eclipse.rdf4j.sail.nativerdf.model.NativeValue;

/**
 * A {@link ValueStore ValueStore} revision for {@link NativeValue NativeValue} objects. For a cached value ID of a
 * NativeValue to be valid, the revision object needs to be equal to the concerning ValueStore's revision object. The
 * ValueStore's revision object is changed whenever values are removed from it or IDs are changed.
 *
 * @author Arjohn Kampman
 *
 * @apiNote This feature is for internal use only: its existence, signature or behavior may change without warning from
 *          one release to the next.
 */
@InternalUseOnly
public class ValueStoreRevision implements Serializable {

	/*-----------*
	 * Constants *
	 *-----------*/

	private static final long serialVersionUID = -2434063125560285009L;

	/*-----------*
	 * Variables *
	 *-----------*/

	transient private final ValueStore valueStore;

	/*--------------*
	 * Constructors *
	 *--------------*/

	public ValueStoreRevision(ValueStore valueStore) {
		this.valueStore = valueStore;
	}

	/*---------*
	 * Methods *
	 *---------*/

	public ValueStore getValueStore() {
		return valueStore;
	}
}