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A Paradox Java Driver (using JDBC 4)

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/*
 * Copyright (c) 2009 Leonardo Alves da Costa
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details. You should have received a copy of the GNU General Public License along with this
 * program. If not, see .
 */
package com.googlecode.paradox.function.aggregate;

import com.googlecode.paradox.ConnectionInfo;
import com.googlecode.paradox.function.AbstractFunction;
import com.googlecode.paradox.function.FunctionType;
import com.googlecode.paradox.planner.nodes.FieldNode;
import com.googlecode.paradox.results.ParadoxType;

import java.sql.SQLException;

/**
 * Base class for general functions.
 *
 * @param  the function return type.
 * @since 1.6.0
 */
public abstract class AbstractGroupingFunction extends AbstractFunction {

    /**
     * Creates a new instance.
     */
    protected AbstractGroupingFunction() {
        super();
    }

    @Override
    public FunctionType getType() {
        return FunctionType.NUMERIC;
    }

    @Override
    public boolean isGrouping() {
        return true;
    }

    @Override
    public abstract IGroupingContext execute(final ConnectionInfo connectionInfo, final Object[] values, final ParadoxType[] types, final FieldNode[] fields) throws SQLException;
}