com.escenic.domain.constraint

Class ElementCountConstraint

java.lang.Object

com.escenic.domain.Constraint

com.escenic.domain.constraint.ElementCountConstraint

All Implemented Interfaces:

Serializable

public class ElementCountConstraint
extends Constraint

Constraint that requires the size of a collection or the length of an array to be within the specified bounds.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.escenic.domain.Constraint

mErrorMessage

Constructor Summary

Constructors

Constructor and Description
ElementCountConstraint(String pErrorMessage, Integer pMinCount, Integer pMaxCount) Create a new ElementCountConstraint with the given minimum and maximum bounds.
ElementCountConstraint(String pErrorMessage, Integer pMinCount, Integer pMaxCount, Integer pDefaultCount) Create a new ElementCountConstraint with the given minimum and maximum bounds as well as a default count.

Method Summary

Modifier and Type	Method and Description
String	describeError(Object pValue)
Integer	getDefaultCount()
Integer	getMaxCount()
Integer	getMinCount()
boolean	isValid(Object pValue) Returns true if the size/length of the given collection or array is within the specified bounds.

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

Constructor Detail

ElementCountConstraint

public ElementCountConstraint(String pErrorMessage,
                              Integer pMinCount,
                              Integer pMaxCount)

Create a new ElementCountConstraint with the given minimum and maximum bounds.

Parameters:

pMinCount - the minimum size or length for this constraint.

pMaxCount - the maximum size or length for this constraint.

ElementCountConstraint

public ElementCountConstraint(String pErrorMessage,
                              Integer pMinCount,
                              Integer pMaxCount,
                              Integer pDefaultCount)

Create a new ElementCountConstraint with the given minimum and maximum bounds as well as a default count.

Parameters:

pMinCount - the minimum size or length for this constraint.

pMaxCount - the maximum size or length for this constraint.

pDefaultCount - the default size or length for this constraint.

Method Detail

isValid

public boolean isValid(Object pValue)

Returns true if the size/length of the given collection or array is within the specified bounds. It will return false if the given value is null, and throw an IllegalArgumentException if the given value isn't a collection or an array.

Specified by:

isValid in class Constraint

Parameters:

pValue - a Collection or array to validate the size/length of.

Returns:

true if size/length of the given collection or array is within the speficied bounds.

describeError

public String describeError(Object pValue)

Overrides:

describeError in class Constraint

getMinCount

public Integer getMinCount()

getMaxCount

public Integer getMaxCount()

getDefaultCount

public Integer getDefaultCount()