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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.model;

import com.rapiddweller.common.Assert;
import com.rapiddweller.common.collection.OrderedNameMap;

import java.io.Serializable;
import java.util.Map;

/**
 * Represents a row in a database table.


 * Created: 23.07.2010 07:29:14
 *
 * @author Volker Bergmann
 * @since 0.6.3
 */
public class DBRow implements Serializable {

  private static final long serialVersionUID = 644247555736773166L;

  /**
   * The Table.
   */
  DBTable table;
  /**
   * The Cells.
   */
  final OrderedNameMap cells;

  /**
   * Instantiates a new Db row.
   *
   * @param table the table
   */
  public DBRow(DBTable table) {
    this.table = table;
    this.cells = OrderedNameMap.createCaseIgnorantMap();
  }

  /**
   * Gets table.
   *
   * @return the table
   */
  public DBTable getTable() {
    return table;
  }

  /**
   * With table db row.
   *
   * @param table the table
   * @return the db row
   */
  public DBRow withTable(DBTable table) {
    this.table = table;
    return this;
  }

  /**
   * Gets cells.
   *
   * @return the cells
   */
  public Map getCells() {
    return cells;
  }

  /**
   * Get pk values object [ ].
   *
   * @return the object [ ]
   */
  public Object[] getPKValues() {
    return getCellValues(table.getPKColumnNames());
  }

  /**
   * Gets pk value.
   *
   * @return the pk value
   */
  public Object getPKValue() {
    String[] columnNames = table.getPKColumnNames();
    if (columnNames.length == 1) {
      return getCellValue(columnNames[0]);
    } else {
      return getCellValues(columnNames);
    }
  }

  /**
   * Gets fk value.
   *
   * @param fk the fk
   * @return the fk value
   */
  public Object getFKValue(DBForeignKeyConstraint fk) {
    String[] columnNames = fk.getColumnNames();
    if (columnNames.length == 1) {
      return getCellValue(columnNames[0]);
    } else {
      return getCellValues(columnNames);
    }
  }

  /**
   * Sets fk value.
   *
   * @param fkConstraint the fk constraint
   * @param fkValue      the fk value
   */
  public void setFKValue(DBForeignKeyConstraint fkConstraint, Object fkValue) {
    String[] columnNames = fkConstraint.getColumnNames();
    if (columnNames.length == 1) {
      setCellValue(columnNames[0], fkValue);
    } else {
      Object[] cellValues = (Object[]) fkValue;
      setCellValues(columnNames, cellValues);
    }
  }

  /**
   * Get fk components object [ ].
   *
   * @param fk the fk
   * @return the object [ ]
   */
  public Object[] getFKComponents(DBForeignKeyConstraint fk) {
    return getCellValues(fk.getColumnNames());
  }

  /**
   * Sets cell values.
   *
   * @param columnNames the column names
   * @param cellValues  the cell values
   */
  public void setCellValues(String[] columnNames, Object[] cellValues) {
    Assert.equals(columnNames.length, cellValues.length, "mismatch of column and value counts");
    for (int i = 0; i < columnNames.length; i++) {
      setCellValue(columnNames[i], cellValues[i]);
    }
  }

  private Object[] getCellValues(String[] columnNames) {
    Object[] result = new Object[columnNames.length];
    for (int i = 0; i < columnNames.length; i++) {
      result[i] = cells.get(columnNames[i]);
    }
    return result;
  }

  /**
   * Gets cell value.
   *
   * @param columnName the column name
   * @return the cell value
   */
  public Object getCellValue(String columnName) {
    return cells.get(columnName);
  }

  /**
   * Sets cell value.
   *
   * @param columnName the column name
   * @param value      the value
   */
  public void setCellValue(String columnName, Object value) {
    cells.put(columnName, value);
  }

  @Override
  public String toString() {
    return table.getName() + cells.values();
  }

  /**
   * Sets pk value.
   *
   * @param newPK the new pk
   */
  public void setPKValue(Object newPK) {
    String[] columnNames = table.getPKColumnNames();
    if (columnNames.length == 1) {
      setCellValue(columnNames[0], newPK);
    } else {
      setCellValues(columnNames, (Object[]) newPK);
    }
  }

}
    

    

    

            

    

            



    
    






    
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