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Java Source Code / Java Documentation » Database ORM » Velosurf » velosurf.validation

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

velosurf.validation .FieldConstraint

velosurf.validation .NotNull

NotNull

public class NotNull extends FieldConstraint (Code)

A "not null" constraint. Syntax is:

 <column not-null="true"/>

Or:

 <column>
 <not-null [message="error-message"]/>
 </column>

To validate data coming from an HTML form, you should rather use the not-empty constraint since there cannot be any null value.

Note: this constraint is not meant to replace an internal SQL "not-null" clause in the database, since it cannot be made sure that complex updates will respect this constraint.

author:
Claude Brisson

Constructor Summary
public	NotNull() Default constructor.

Method Summary
public String	toString() return a string representation for this constraint.
public boolean	validate(Object data) Validate datea against this constraint.

Constructor Detail

NotNull
public NotNull()(Code)
	Default constructor.

Method Detail

toString
public String toString()(Code)
	return a string representation for this constraint. string

validate
public boolean validate(Object data)(Code)
	Validate datea against this constraint. Parameters: data - the data to be validated true if data is not null

Methods inherited from velosurf.validation.FieldConstraint

public String getMessage()(Code)(Java Doc)
public void setMessage(String msg)(Code)(Java Doc)
public boolean validate(Object data, Locale locale) throws SQLException(Code)(Java Doc)
public boolean validate(Object data) throws SQLException(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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