org.jooq.Meta Maven / Gradle / Ivy
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/*
* Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* 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
* ASL 2.0 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;
import static org.jooq.SQLDialect.CUBRID;
// ...
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
import static org.jooq.SQLDialect.H2;
// ...
import static org.jooq.SQLDialect.HSQLDB;
// ...
// ...
// ...
import static org.jooq.SQLDialect.POSTGRES;
// ...
// ...
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import org.jooq.exception.DataAccessException;
import org.jooq.util.xml.jaxb.InformationSchema;
/**
* A wrapping object for {@link DatabaseMetaData} or for other sources of
* database meta information (e.g. {@link InformationSchema})
*
* This object can be obtained through {@link DSLContext#meta()} in order to
* provide convenient access to your database meta data. This abstraction has
* two purposes:
*
*
* - To increase API convenience, as no checked {@link SQLException} is
* thrown, only the unchecked {@link DataAccessException}
* - To increase API convenience, as the returned objects are always jOOQ
* objects, not JDBC {@link ResultSet} objects with hard-to-remember API
* constraints
*
*
* @author Lukas Eder
*/
public interface Meta {
/**
* Get all catalog objects from the underlying {@link DatabaseMetaData}.
*
* For those databases that don't really support JDBC meta data catalogs, a
* single empty catalog (named ""
) will be returned. In other
* words, there is always at least one catalog in a database.
*
* NOTE: Catalogs are experimental in jOOQ 3.0
*
* @throws DataAccessException If something went wrong fetching the meta
* objects
*/
@Support
List getCatalogs() throws DataAccessException;
/**
* Get all schema objects from the underlying {@link DatabaseMetaData}.
*
* @throws DataAccessException If something went wrong fetching the meta
* objects
*/
@Support
List getSchemas() throws DataAccessException;
/**
* Get all table objects from the underlying {@link DatabaseMetaData}.
*
* @throws DataAccessException If something went wrong fetching the meta
* objects
*/
@Support
List> getTables() throws DataAccessException;
/**
* Get all sequence objects from the underlying {@link DatabaseMetaData}.
*
* @throws DataAccessException If something went wrong fetching the meta
* objects
*/
@Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, POSTGRES })
List> getSequences() throws DataAccessException;
/**
* Get all primary keys from the underlying {@link DatabaseMetaData}.
*
* @throws DataAccessException If something went wrong fetching the meta
* objects
*/
@Support
List> getPrimaryKeys() throws DataAccessException;
}
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