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/**
 * Copyright (c) 2009-2013, Lukas Eder, [email protected]
 * All rights reserved.
 *
 * This software is licensed to you under the Apache License, Version 2.0
 * (the "License"); You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * . Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * . Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * . Neither the name "jOOQ" nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package org.jooq.util.jdbc;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.jooq.DSLContext;
import org.jooq.SQLDialect;
import org.jooq.Schema;
import org.jooq.Sequence;
import org.jooq.Table;
import org.jooq.impl.DSL;
import org.jooq.util.AbstractDatabase;
import org.jooq.util.ArrayDefinition;
import org.jooq.util.DataTypeDefinition;
import org.jooq.util.DefaultDataTypeDefinition;
import org.jooq.util.DefaultRelations;
import org.jooq.util.DefaultSequenceDefinition;
import org.jooq.util.EnumDefinition;
import org.jooq.util.PackageDefinition;
import org.jooq.util.RoutineDefinition;
import org.jooq.util.SchemaDefinition;
import org.jooq.util.SequenceDefinition;
import org.jooq.util.TableDefinition;
import org.jooq.util.UDTDefinition;

/**
 * The JDBC database
 *
 * @author Lukas Eder
 */
public class JDBCDatabase extends AbstractDatabase {

    private List schemas;

    @SuppressWarnings("deprecation")
    @Override
    protected DSLContext create0() {
        return DSL.using(getConnection(), SQLDialect.SQL99);
    }

    @Override
    protected void loadPrimaryKeys(DefaultRelations relations) throws SQLException {
    }

    @Override
    protected void loadUniqueKeys(DefaultRelations relations) throws SQLException {
    }

    @Override
    protected void loadForeignKeys(DefaultRelations relations) throws SQLException {
    }

    @Override
    protected List getSchemata0() throws SQLException {
        List result = new ArrayList();

        for (Schema schema : getSchemasFromMeta()) {
            result.add(new SchemaDefinition(this, schema.getName(), ""));
        }

        return result;
    }

    private List getSchemasFromMeta() {
        if (schemas == null) {
            schemas = create().meta().getSchemas();
        }

        return schemas;
    }

    @Override
    protected List getSequences0() throws SQLException {
        List result = new ArrayList();

        for (Schema schema : getSchemasFromMeta()) {
            for (Sequence sequence : schema.getSequences()) {
                SchemaDefinition sd = getSchema(schema.getName());

                DataTypeDefinition type = new DefaultDataTypeDefinition(
                    this,
                    sd,
                    sequence.getDataType().getTypeName(), 0, 0, 0);

                result.add(new DefaultSequenceDefinition(
                    sd, sequence.getName(), type));
            }
        }

        return result;
    }

    @Override
    protected List getTables0() throws SQLException {
        List result = new ArrayList();

        for (Schema schema : getSchemasFromMeta()) {
            SchemaDefinition sd = getSchema(schema.getName());

            if (sd != null) {
                for (Table table : schema.getTables()) {
                    result.add(new JDBCTableDefinition(sd, table));
                }
            }
        }

        return result;
    }

    @Override
    protected List getEnums0() throws SQLException {
        List result = new ArrayList();
        return result;
    }

    @Override
    protected List getUDTs0() throws SQLException {
        List result = new ArrayList();
        return result;
    }

    @Override
    protected List getArrays0() throws SQLException {
        List result = new ArrayList();
        return result;
    }

    @Override
    protected List getRoutines0() throws SQLException {
        List result = new ArrayList();
        return result;
    }

    @Override
    protected List getPackages0() throws SQLException {
        List result = new ArrayList();
        return result;
    }
}