Package edu.caltech.nanodb.server.properties

Class IntegerValueValidator

java.lang.Object

edu.caltech.nanodb.server.properties.IntegerValueValidator

All Implemented Interfaces:

PropertyValidator

public class IntegerValueValidator
extends java.lang.Object
implements PropertyValidator

Validates an integer property value using a predicate; if the value cannot be cast to an integer or the predicate returns false, then the specified error message will be reported. The error message may use the "%d" format-specifier to include the value passed to the validator.

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.String	errorMessage	An error message for when an integer value is invalid.
private java.util.function.Predicate<java.lang.Integer>	predicate	A predicate for validating an integer value.

Constructor Summary

Constructors

Constructor	Description
IntegerValueValidator(int minValue, int maxValue)
IntegerValueValidator(java.util.function.Predicate<java.lang.Integer> predicate, java.lang.String errorMessage)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	validate(java.lang.Object value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

predicate

private java.util.function.Predicate<java.lang.Integer> predicate

A predicate for validating an integer value.

errorMessage

private java.lang.String errorMessage

An error message for when an integer value is invalid.

Constructor Detail

IntegerValueValidator

public IntegerValueValidator(int minValue,
                             int maxValue)

IntegerValueValidator

public IntegerValueValidator(java.util.function.Predicate<java.lang.Integer> predicate,
                             java.lang.String errorMessage)

Method Detail

validate

public java.lang.Object validate(java.lang.Object value)

Specified by:

validate in interface PropertyValidator