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A generic query algebra for RDF queries.

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/*******************************************************************************
 * 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.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *******************************************************************************/
package org.eclipse.rdf4j.query.algebra;

import org.eclipse.rdf4j.query.algebra.Compare.CompareOp;

@Deprecated(forRemoval = true, since = "4.2.1")
public class CompareAll extends CompareSubQueryValueOperator {

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

	private CompareOp operator;

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

	public CompareAll() {
	}

	public CompareAll(ValueExpr valueExpr, TupleExpr subQuery, CompareOp operator) {
		super(valueExpr, subQuery);
		setOperator(operator);
	}

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

	public CompareOp getOperator() {
		return operator;
	}

	public void setOperator(CompareOp operator) {
		assert operator != null : "operator must not be null";
		this.operator = operator;
	}

	@Override
	public  void visit(QueryModelVisitor visitor) throws X {
		visitor.meet(this);
	}

	@Override
	public String getSignature() {
		return super.getSignature() + " (" + operator.getSymbol() + ")";
	}

	@Override
	public boolean equals(Object other) {
		if (other instanceof CompareAll && super.equals(other)) {
			CompareAll o = (CompareAll) other;
			return operator.equals(o.getOperator());
		}
		return false;
	}

	@Override
	public int hashCode() {
		return super.hashCode() ^ operator.hashCode() ^ "CompareAll".hashCode();
	}

	@Override
	public CompareAll clone() {
		return (CompareAll) super.clone();
	}
}