Column (Castor JavaDoc)

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java.lang.Object
- org.castor.cpa.persistence.sql.query.expression.Expression
- - org.castor.cpa.persistence.sql.query.expression.Column

All Implemented Interfaces:

QueryObject
```
public final class Column
extends Expression
```
Class representing a column of the database table.

Version:

$Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $

Author:

Ahmad Hassan, Ralf Joachim

Constructor Summary

Constructors
Constructor	Description
`Column(java.lang.String name)`	Construct a column that has no qualifier with given name.
`Column(Qualifier qualifier, java.lang.String name)`	Construct a column with given qualifier and name.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(Visitor visitor)`	Accept method to handle incoming visitors.
`java.lang.String`	`name()`	Returns name of the column.
`Qualifier`	`qualifier()`	Returns qualifier the column belongs to.
`java.lang.String`	`toString()`	Method constructing query string.

Methods inherited from class org.castor.cpa.persistence.sql.query.expression.Expression
equal, greaterEqual, greaterThan, isNotNull, isNull, lessEqual, lessThan, notEqual

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Column
```
public Column(java.lang.String name)
```
    Construct a column that has no qualifier with given name.
    
    Parameters:
    
    name - Name of the column.
  - Column
```
public Column(Qualifier qualifier,
              java.lang.String name)
```
    Construct a column with given qualifier and name.
    
    Parameters:
    
    qualifier - Qualifier the column belongs to.
    
    name - Name of the column.
- Method Detail
  - qualifier
```
public Qualifier qualifier()
```
    Returns qualifier the column belongs to.
    
    Returns:
    
    Qualifier the column belongs to.
  - name
```
public java.lang.String name()
```
    Returns name of the column.
    
    Returns:
    
    Name of the column.
  - accept
```
public void accept(Visitor visitor)
```
    Accept method to handle incoming visitors.
    
    Parameters:
    
    visitor - Visitor to be handled.
  - toString
```
public java.lang.String toString()
```
    Method constructing query string.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    Constructed query string.

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