com.escenic.domain.constraint

Class RangeConstraint<T extends Comparable<T>>

java.lang.Object

com.escenic.domain.Constraint

com.escenic.domain.constraint.RangeConstraint<T>

All Implemented Interfaces:

Serializable

public class RangeConstraint<T extends Comparable<T>>
extends Constraint

Constraint for validating that a Comparable value is within the given range constraints.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected T	mMax
protected T	mMin

Fields inherited from class com.escenic.domain.Constraint

mErrorMessage

Constructor Summary

Constructors

Constructor and Description
RangeConstraint(String pErrorMessage, T pMin, T pMax) Creates a new range constraint based on these min an max values.

Method Summary

Modifier and Type	Method and Description
String	describeError(Object pValue)
T	getMax()
T	getMin()
boolean	isValid(Object pValue) Returns true if the value is null or >= min value and <= max value.

Methods inherited from class com.escenic.domain.Constraint

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Field Detail

mMin

protected final T extends Comparable<T> mMin

mMax

protected final T extends Comparable<T> mMax

Constructor Detail

RangeConstraint

public RangeConstraint(String pErrorMessage,
                       T pMin,
                       T pMax)

Creates a new range constraint based on these min an max values.

Parameters:

pMin - may not be null.

pMax - may not be null.

Throws:

IllegalArgumentException - if either min or max values are null.

Method Detail

isValid

public boolean isValid(Object pValue)

Returns true if the value is null or >= min value and <= max value.

Specified by:

isValid in class Constraint

describeError

public String describeError(Object pValue)

Overrides:

describeError in class Constraint

getMin

public T getMin()

getMax

public T getMax()