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/*
 * Licensed 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
 *
 *  http://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.
 *
 * Other licenses:
 * -----------------------------------------------------------------------------
 * Commercial licenses for this work are available. These replace the above
 * Apache-2.0 license and offer limited warranties, support, maintenance, and
 * commercial database integrations.
 *
 * For more information, please visit: http://www.jooq.org/licenses
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */
package org.jooq.impl;

import static org.jooq.impl.DSL.*;
import static org.jooq.impl.Internal.*;
import static org.jooq.impl.Keywords.*;
import static org.jooq.impl.Names.*;
import static org.jooq.impl.SQLDataType.*;
import static org.jooq.impl.Tools.*;
import static org.jooq.impl.Tools.BooleanDataKey.*;
import static org.jooq.impl.Tools.ExtendedDataKey.*;
import static org.jooq.impl.Tools.SimpleDataKey.*;
import static org.jooq.SQLDialect.*;

import org.jooq.*;
import org.jooq.Function1;
import org.jooq.Record;
import org.jooq.conf.ParamType;
import org.jooq.tools.StringUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import java.math.BigDecimal;


/**
 * The SUM statement.
 */
@SuppressWarnings({ "rawtypes", "unused" })
final class Sum
extends
    AbstractAggregateFunction
implements
    QOM.Sum
{

    Sum(
        Field field,
        boolean distinct
    ) {
        super(
            distinct,
            N_SUM,
            NUMERIC,
            nullSafeNotNull(field, INTEGER)
        );
    }

    // -------------------------------------------------------------------------
    // XXX: QueryPart API
    // -------------------------------------------------------------------------

    @Override
    public final void accept(Context ctx) {
        super.accept(ctx);
    }

    // -------------------------------------------------------------------------
    // XXX: Query Object Model
    // -------------------------------------------------------------------------

    @SuppressWarnings("unchecked")
    @Override
    public final Field $field() {
        return (Field) getArguments().get(0);
    }

    @Override
    public final QOM.Sum $field(Field newValue) {
        return $constructor().apply(newValue, $distinct());
    }

    @Override
    public final QOM.Sum $distinct(boolean newValue) {
        return $constructor().apply($field(), newValue);
    }

    public final Function2, ? super Boolean, ? extends QOM.Sum> $constructor() {
        return (a1, a2) -> new Sum(a1, a2);
    }
























    // -------------------------------------------------------------------------
    // XXX: The Object API
    // -------------------------------------------------------------------------

    @Override
    public boolean equals(Object that) {
        if (that instanceof QOM.Sum o) {
            return
                StringUtils.equals($field(), o.$field()) &&
                $distinct() == o.$distinct()
            ;
        }
        else
            return super.equals(that);
    }
}