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/**
 * Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
 * All rights reserved.
 *
 * This work is dual-licensed
 * - under the Apache Software License 2.0 (the "ASL")
 * - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
 * =============================================================================
 * You may choose which license applies to you:
 *
 * - If you're using this work with Open Source databases, you may choose
 *   either ASL or jOOQ License.
 * - If you're using this work with at least one commercial database, you must
 *   choose jOOQ License
 *
 * For more information, please visit http://www.jooq.org/licenses
 *
 * Apache Software License 2.0:
 * -----------------------------------------------------------------------------
 * 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.
 *
 * jOOQ License and Maintenance Agreement:
 * -----------------------------------------------------------------------------
 * Data Geekery grants the Customer the non-exclusive, timely limited and
 * non-transferable license to install and use the Software under the terms of
 * the jOOQ License and Maintenance Agreement.
 *
 * This library is distributed with a LIMITED WARRANTY. See the jOOQ License
 * and Maintenance Agreement for more details: http://www.jooq.org/licensing
 */

package org.jooq.impl;

import org.jooq.Clause;
import org.jooq.Context;
import org.jooq.Record;
import org.jooq.Select;
import org.jooq.Table;

/**
 * @author Lukas Eder
 */
class DerivedTable extends AbstractTable {

    private static final long serialVersionUID = 6272398035926615668L;

    private final Select   query;

    DerivedTable(Select query) {
        super("select");

        this.query = query;
    }

    final Select query() {
        return query;
    }

    @Override
    public final Table as(String alias) {
        return new TableAlias(this, alias, true);
    }

    @Override
    public final Table as(String alias, String... fieldAliases) {
        return new TableAlias(this, alias, fieldAliases, true);
    }

    @Override
    final Fields fields0() {
        return new Fields(query.getSelect());
    }

    @Override
    public final Class getRecordType() {
        return query.getRecordType();
    }

    @Override
    public final void accept(Context ctx) {
        boolean subquery = ctx.subquery();

        ctx.subquery(true)
           .formatIndentStart()
           .formatNewLine()
           .visit(query)
           .formatIndentEnd()
           .formatNewLine()
           .subquery(subquery);
    }

    @Override
    public final Clause[] clauses(Context ctx) {
        return null;
    }
}