/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *   SPDX-License-Identifier: Apache-2.0
 */

package org.apache.jena.sparql.expr.aggregate;

import org.apache.jena.sparql.expr.Expr;
import org.apache.jena.sparql.expr.ExprList;

public class AggMax extends AggMaxBase
{
    // ---- MAX(expr)
    public AggMax(Expr expr) { super(expr, false); } 
    @Override
    public Aggregator copy(ExprList expr) { return new AggMax(expr.get(0)); }

    @Override
    public int hashCode()   { return HC_AggMax ^ getExpr().hashCode(); }
    
    @Override
    public boolean equals(Aggregator other, boolean bySyntax) {
        if ( other == null ) return false;
        if ( this == other ) return true; 
        if ( ! ( other instanceof AggMax ) )
            return false;
        AggMax agg = (AggMax)other;
        return exprList.equals(agg.exprList, bySyntax);
    }
}
