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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 target database tables.


 * Created: 24.08.2010 11:13:42
 *
 * @author Volker Bergmann
 * @since 0.6.4
 */
public class TargetTableMapper extends AbstractTableMapper {

  /**
   * The Nk to pk.
   */
  final Map nkToPk;

  /**
   * Instantiates a new Target table mapper.
   *
   * @param root       the root
   * @param target     the target
   * @param targetDbId the target db id
   * @param identity   the identity
   * @param database   the database
   */
  public TargetTableMapper(KeyMapper root, Connection target, String targetDbId, IdentityModel identity, Database database) {
    super(root, target, targetDbId, identity, database);
    this.nkToPk = new HashMap<>(1000);
  }

  @Override
  public void store(Object targetPK, String naturalKey) {
    super.store(targetPK, naturalKey);
    nkToPk.put(naturalKey, targetPK);
  }

  /**
   * Gets target id.
   *
   * @param naturalKey the natural key
   * @return the target id
   */
  public Object getTargetId(String naturalKey) {
    assureInitialized();
    return nkToPk.get(naturalKey);
  }

}