javatools.db
Class DbColumn

java.lang.Object
  |
  +--javatools.db.DbExpr
        |
        +--javatools.db.DbColumn

public class DbColumn

extends DbExpr

A class that represents a particular column within a particular DbTable. The constructor is not public. Use DbTable.getColumn(...).

Field Summary

(package private) int	index
(package private) DbTable	table

Fields inherited from class javatools.db.DbExpr

db

Constructor Summary

(package private)

DbColumn(DbTable table, int index)

Method Summary

boolean	equals(java.lang.Object o)
int	getIndex()
java.lang.String	getName()
java.lang.String	getQueryString() Any DbExpr needs to be able to convert into the SQL string equivilent.
int	getSize()
int	setSqlValues(java.sql.PreparedStatement ps, int i) Any DbExpr needs to be able to substitute any parameters as per JDBC "?" substitutions.
java.lang.String	toString() The fully qualified name of this column.
void	usesTables(java.util.Set c) Description of the Method

Methods inherited from class javatools.db.DbExpr

and, dateTrunc, equal, getString, greaterThan, greaterThanOrEqual, in, isNotNull, isNull, lessThan, lessThanOrEqual, like, lower, max, min, notEqual, notIn, or, setSqlValue, upper, usesTables

Methods inherited from class java.lang.Object

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

Field Detail

table

DbTable table

index

int index

Constructor Detail

DbColumn

DbColumn(DbTable table,
         int index)

Method Detail

getQueryString

public java.lang.String getQueryString()

Description copied from class: DbExpr

Any DbExpr needs to be able to convert into the SQL string equivilent.

Specified by:

getQueryString in class DbExpr

Returns:

The queryString value

getName

public java.lang.String getName()

setSqlValues

public int setSqlValues(java.sql.PreparedStatement ps,
                        int i)
                 throws DbException

Description copied from class: DbExpr

Any DbExpr needs to be able to substitute any parameters as per JDBC "?" substitutions.

Specified by:

setSqlValues in class DbExpr

Parameters:

ps - The new sqlValues value

i - The new sqlValues value

Returns:

Description of the Returned Value

Throws:

DbException - Description of Exception

getSize

public int getSize()

getIndex

public int getIndex()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

The fully qualified name of this column.

Overrides:

toString in class java.lang.Object

usesTables

public void usesTables(java.util.Set c)

Description copied from class: DbExpr

Description of the Method

Overrides:

usesTables in class DbExpr

Parameters:

c - Description of Parameter