org.castor.cpa.persistence.sql.query.expression
Class Parameter

java.lang.Object
  extended by org.castor.cpa.persistence.sql.query.QueryObject
      extended by org.castor.cpa.persistence.sql.query.expression.Expression
          extended by org.castor.cpa.persistence.sql.query.expression.Parameter

public final class Parameter
extends Expression

A parameter in a SQL query. Values are always bound to parameter with names.

Version:
$Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
Author:
Ahmad Hassan, Ralf Joachim

Constructor Summary
Parameter(java.lang.String name)
          Construct parameter with given name for binding.
 
Method Summary
 java.lang.String name()
          Returns name of the parameter for binding of values.
 void toString(QueryContext ctx)
          Append a string representation of the object to the given QueryContext.
 
Methods inherited from class org.castor.cpa.persistence.sql.query.expression.Expression
equal, greaterEqual, greaterThan, isNotNull, isNull, lessEqual, lessThan, notEqual
 
Methods inherited from class org.castor.cpa.persistence.sql.query.QueryObject
toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Parameter

public Parameter(java.lang.String name)
Construct parameter with given name for binding.

Parameters:
name - Name of the parameter for binding of values.
Method Detail

name

public java.lang.String name()
Returns name of the parameter for binding of values.

Returns:
Name of the parameter for binding of values.

toString

public void toString(QueryContext ctx)
Description copied from class: QueryObject
Append a string representation of the object to the given QueryContext. In general, this toString method appends a string that "textually represents" this object. The result should be a string in valid SQL syntax. It is required that all subclasses override this method.

Specified by:
toString in class QueryObject
Parameters:
ctx - QueryContext to append the string representation of the object to.


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