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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.common.ArrayFormat;
import com.rapiddweller.common.bean.HashCodeBuilder;
import com.rapiddweller.common.bean.ObjectOrArray;

/**
 * Global technical identifier for a database table rows
 * which aggregates database id, table name and primary key.


 * Created: 31.08.2010 16:19:41
 *
 * @author Volker Bergmann
 * @since 1.0
 */
public class GlobalRowId {

  private final String schemaId;
  private final String tableName;
  private final ObjectOrArray pk;

  /**
   * Instantiates a new Global row id.
   *
   * @param schemaId  the schema id
   * @param tableName the table name
   * @param pk        the pk
   */
  public GlobalRowId(String schemaId, String tableName, Object pk) {
    this.schemaId = schemaId;
    this.tableName = tableName;
    this.pk = (pk instanceof ObjectOrArray ? (ObjectOrArray) pk : new ObjectOrArray(pk));
  }

  @Override
  public int hashCode() {
    return HashCodeBuilder.hashCode(schemaId, tableName, pk);
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null || getClass() != obj.getClass()) {
      return false;
    }
    GlobalRowId that = (GlobalRowId) obj;
    return (this.schemaId.equals(that.schemaId)
        && this.tableName.equals(that.tableName)
        && this.pk.equals(that.pk));
  }

  @Override
  public String toString() {
    return schemaId + '.' + tableName + '#' + renderPK(pk);
  }

  private static String renderPK(Object pk) {
    if (pk.getClass().isArray()) {
      return ArrayFormat.format((Object[]) pk);
    } else {
      return String.valueOf(pk);
    }
  }

}