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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Log4Jdbc is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc.message.resultset;

/**
 * 
 * @see Marco4J
 * 
 * 
 * @author Marco Semiao
 * 
 */
public class ColumnImpl implements Column, Comparable {

  private final int index;
  private final String table;
  private final String name;
  private final String label;

  public ColumnImpl(final int index, final String table, final String name, final String label) {
    this.index = index;
    this.table = table;
    this.name = name;
    this.label = label;
  }

  public int getIndex() {
    return index;
  }

  public String getTable() {
    return table;
  }

  public String getName() {
    return name;
  }

  public String getLabel() {
    return label;
  }

  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + index;
    result = prime * result + ((label == null) ? 0 : label.hashCode());
    result = prime * result + ((name == null) ? 0 : name.hashCode());
    result = prime * result + ((table == null) ? 0 : table.hashCode());
    return result;
  }

  public boolean equals(final Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final ColumnImpl other = (ColumnImpl) obj;
    if (index != other.index) {
      return false;
    }
    if (label == null) {
      if (other.label != null) {
        return false;
      }
    } else if (!label.equals(other.label)) {
      return false;
    }
    if (name == null) {
      if (other.name != null) {
        return false;
      }
    } else if (!name.equals(other.name)) {
      return false;
    }
    if (table == null) {
      if (other.table != null) {
        return false;
      }
    } else if (!table.equals(other.table)) {
      return false;
    }
    return true;
  }

  public String toString() {
    return "[index=" + index + ", table=" + table + ", name=" + name + ", label=" + label + "]";
  }

  public int compareTo(final Object obj) {
    final ColumnImpl o = (ColumnImpl) obj;
    return this.index - o.index;
  }
}