Package org.jooq.util.jdbc

Source Code of org.jooq.util.jdbc.JDBCDatabase

/**
* 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.util.jdbc;

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

import org.jooq.DSLContext;
import org.jooq.Field;
import org.jooq.Schema;
import org.jooq.Sequence;
import org.jooq.Table;
import org.jooq.UniqueKey;
import org.jooq.impl.DSL;
import org.jooq.util.AbstractDatabase;
import org.jooq.util.ArrayDefinition;
import org.jooq.util.ColumnDefinition;
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<Schema> schemas;

    @Override
    protected DSLContext create0() {
        return DSL.using(getConnection());
    }

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

    @Override
    protected void loadUniqueKeys(DefaultRelations relations) throws SQLException {
        for (UniqueKey<?> key : create().meta().getPrimaryKeys()) {
            Schema schema = key.getTable().getSchema();
            SchemaDefinition s = getSchema(schema == null ? "" : schema.getName());

            if (s != null) {
                TableDefinition t = getTable(s, key.getTable().getName());

                if (t != null) {
                    for (Field<?> field : key.getFields()) {
                        ColumnDefinition c = t.getColumn(field.getName());
                        relations.addPrimaryKey("PK_" + key.getTable().getName(), c);
                    }
                }
            }
        }
    }

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

    @Override
    protected void loadCheckConstraints(DefaultRelations r) throws SQLException {
    }

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

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

        return result;
    }

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

        return schemas;
    }

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

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

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

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

        return result;
    }

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

        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<EnumDefinition> getEnums0() throws SQLException {
        List<EnumDefinition> result = new ArrayList<EnumDefinition>();
        return result;
    }

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

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

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

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