com.redhat.rhn.common.validator

Interface Constraint

All Known Implementing Classes:

DoubleConstraint, LongConstraint, ParsedConstraint, RequiredIfConstraint, StringConstraint

public interface Constraint

The Constraint class represents a single data constraint

Method Summary

Modifier and Type	Method and Description
ValidatorError	checkConstraint(java.lang.Object value) Check the field against this Constraint to see if it is in a valid state.
java.lang.String	getDataType() This will return the String version of the Java data type for this constraint.
java.lang.String	getIdentifier() Get the named identifier of this Constraint
void	setDataType(java.lang.String dataTypeIn) This will allow the data type for the constraint to be set.

Method Detail

checkConstraint

ValidatorError checkConstraint(java.lang.Object value)

Check the field against this Constraint to see if it is in a valid state.

Parameters:

value - the value to check

Returns:

String error message if the constraint check failed. Null otherwise.

getIdentifier

java.lang.String getIdentifier()

Get the named identifier of this Constraint

Returns:

String identifier

getDataType

java.lang.String getDataType()

This will return the String version of the Java data type for this constraint.

Returns:

String - the data type for this constraint.

setDataType

void setDataType(java.lang.String dataTypeIn)

This will allow the data type for the constraint to be set. The type is specified as a Java String.

Parameters:

dataTypeIn - String that is the Java data type for this constraint.