de.unidu.is.sql
Class DBColumnExpression

java.lang.Object
  de.unidu.is.expressions.AbstractExpression
      de.unidu.is.sql.DBColumnExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

DBColExpression

public class DBColumnExpression

extends AbstractExpression

An expression with encoding a table column, specified by the table and the column name.

Since:

2003-10-21

Version:

$Revision: 1.5 $, $Date: 2005/03/14 17:33:14 $

Author:

Henrik Nottelmann

Field Summary

protected java.lang.String	col The column name.
protected java.lang.String	table The table name.

Constructor Summary

DBColumnExpression(java.lang.String table, java.lang.String col)
Creates a new expression object.

Method Summary

boolean	equals(java.lang.Object o) Tests whether this object equals the specified one.
java.lang.String	getCol() Returns the column name.
java.lang.String	getTable() Returns the table name.
int	hashCode() Returns a hashcode for this object.
void	setCol(java.lang.String col) Sets the column name.
void	setTable(java.lang.String string) Sets the table name.
java.lang.String	toString() Returns the expression in infix notation, embedded in round brackets.

Methods inherited from class de.unidu.is.expressions.AbstractExpression

getSQLTemplate, substitute

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

table

protected java.lang.String table

The table name.

col

protected java.lang.String col

The column name.

Constructor Detail

DBColumnExpression

public DBColumnExpression(java.lang.String table,
                          java.lang.String col)

Creates a new expression object.

Parameters:

table - table name

col - column name

Method Detail

toString

public java.lang.String toString()

Returns the expression in infix notation, embedded in round brackets.

Returns:

expression as a string

equals

public boolean equals(java.lang.Object o)

Tests whether this object equals the specified one.

Parameters:

o - object to test

Returns:

true iff both objects are the same

hashCode

public int hashCode()

Returns a hashcode for this object.

Returns:

hashcode for this object

getTable

public java.lang.String getTable()

Returns the table name.

Returns:

table name

setTable

public void setTable(java.lang.String string)

Sets the table name.

Parameters:

string - table name

getCol

public java.lang.String getCol()

Returns the column name.

Returns:

column name

setCol

public void setCol(java.lang.String col)

Sets the column name.

Parameters:

col - column name