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'jdbacl' stands for 'Java DataBase ACcess Layer' and provides utilities for accessing JDBC databases from Java programs, retrieving meta information in an object model and querying database data. 'rapiddweller jdbacl' is forked from Databene jdbacl by Volker Bergmann.

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/*
 * (c) Copyright 2010 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License (GPL).
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. 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 com.rapiddweller.jdbacl.identity.mem;

import com.rapiddweller.jdbacl.identity.IdentityModel;
import com.rapiddweller.jdbacl.identity.KeyMapper;
import com.rapiddweller.jdbacl.model.Database;

import java.sql.Connection;
import java.util.HashMap;
import java.util.Map;

/**
 * In-memory implementation of the mapping functionality needed for source database tables.


 * Created: 24.08.2010 10:59:40
 *
 * @author Volker Bergmann
 * @since 0.6.4
 */
public class SourceTableMapper extends AbstractTableMapper {

  /**
   * The Source pk to target pk.
   */
  final Map sourcePkToTargetPk;

  /**
   * Instantiates a new Source table mapper.
   *
   * @param root       the root
   * @param connection the connection
   * @param dbId       the db id
   * @param table      the table
   * @param database   the database
   */
  public SourceTableMapper(KeyMapper root, Connection connection, String dbId, IdentityModel table, Database database) {
    super(root, connection, dbId, table, database);
    this.sourcePkToTargetPk = new HashMap<>(1000);
  }

  /**
   * Store.
   *
   * @param sourcePK   the source pk
   * @param naturalKey the natural key
   * @param targetPK   the target pk
   */
  public void store(Object sourcePK, String naturalKey, Object targetPK) {
    super.store(sourcePK, naturalKey);
    if (targetPK != null) {
      sourcePkToTargetPk.put(sourcePK, targetPK);
    }
  }

  /**
   * Gets target pk.
   *
   * @param sourcePK the source pk
   * @return the target pk
   */
  public Object getTargetPK(Object sourcePK) {
    assureInitialized();
    return sourcePkToTargetPk.get(sourcePK);
  }

}