columndesc.java

大量java源程序

/*
 * @(#)ColumnDesc
 *
 * Copyright (c) 1998 Karl Moss. All Rights Reserved.
 *
 * You may study, use, modify, and distribute this software for any
 * purpose provided that this copyright notice appears in all copies.
 *
 * This software is provided WITHOUT WARRANTY either expressed or
 * implied.
 *
 * @author  Karl Moss
 * @version 1.0
 * @date    11Mar98
 *
 */

package javaservlets.db;

import java.sql.*;

/**
 * <p>This class represents a single column description
 */

public class ColumnDesc
{
  String m_name;
  int m_type;
  int m_length;
  int m_dec;

  /**
    * <p>Construct a new column descriptor
    *
    * @param name Column name
    * @param type JDBC column type
    */
  public ColumnDesc(String name, int type)
    {
      m_name = name;
      m_type = type;
      m_length = -1;
      m_dec = -1;
    }

  /**
    * <p>Construct a new column descriptor
    *
    * @param name Column name
    * @param type JDBC column type
    * @param len Maximumn column length
    */
  public ColumnDesc(String name, int type, int len)
    {
      m_name = name;
      m_type = type;
      m_length = len;
      m_dec = -1;
    }

  /**
    * <p>Construct a new column descriptor
    *
    * @param name Column name
    * @param type JDBC column type
    * @param len Maximumn column length
    * @param decimals Number of decimal places
    */
  public ColumnDesc(String name, int type, int len, int decimals)
    {
      m_name = name;
      m_type = type;
      m_length = len;
      m_dec = decimals;
    }

  /**
    * <p>Sets the column name
    *
    * @param name Column name
    */
  public void setName(String name)
    {
      m_name = name;
    }

  /**
    * <p>Gets the column name
    *
    * @return Column name
    */
  public String getName()
    {
      return m_name;
    }

  /**
    * <p>Sets the column type
    *
    * @param type JDBC column type
    */
  public void setType(int type)
    {
      m_type = type;
    }

  /**
    * <p>Gets the column type
    *
    * @return JDBC column type
    */
  public int getType()
    {
      return m_type;
    }

  /**
    * <p>Sets the length of the column
    *
    * @param len Length of the column
    */
  public void setLength(int len)
    {
      m_length = len;
    }

  /**
    * <p>Gets the length of the column
    *
    * @return Length of the column, or -1 for not applicable
    */
  public int getLength()
    {
      return m_length;
    }

  /**
    * <p>Sets the number of decimal places for the column
    *
    * @param dec Number of decimal places
    */
  public void setDecimals(int dec)
    {
      m_dec = dec;
    }

  /**
    * <p>Gets the number of decimal places for the column
    *
    * @return Number of decimal places, or -1 for not
    * applicable
    */
  public int getDecimals()
    {
      return m_dec;
    }
}