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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
 *
 *
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 */
package org.jooq.impl;

import org.jooq.DataType;
import org.jooq.Field;
import org.jooq.Name;
import org.jooq.QueryPart;
// ...
import org.jooq.impl.QOM.UnmodifiableList;

/**
 * @author Lukas Eder
 */
final class Function1 extends AbstractFunction {
    private final Field argument;

    Function1(Name name, DataType type, Field argument) {
        super(name, type, true);

        this.argument = argument;
    }

    @Override
    final QueryPart arguments() {
        return argument;
    }

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

    @Override
    public final UnmodifiableList> $args() {
        return QOM.unmodifiable(QueryPartListView.wrap(argument));
    }















    // -------------------------------------------------------------------------
    // The Object API
    // -------------------------------------------------------------------------

    @Override
    public boolean equals(Object that) {
        if (that instanceof Function1)
            return getQualifiedName().equals(((Function1) that).getQualifiedName())
                && argument.equals(((Function1) that).argument);
        else
            return super.equals(that);
    }
}