Package cdc.validation.checkers.defaults

Class IsInstanceOf

java.lang.Object

cdc.validation.checkers.defaults.IsInstanceOf

All Implemented Interfaces:

Checker<Object>, Predicate<Object>

public final class IsInstanceOf
extends Object
implements Checker<Object>

Implementation o Checker that checks that an object is an instance of a class.

Field Summary

Fields

Modifier and Type	Field	Description
static final FormalArg<Class>	CLASS
static final Factory<IsInstanceOf>	FACTORY
static final FormalArgs	FARGS

Fields inherited from interface cdc.validation.checkers.Checker

DEFAULT_ARG_NAME

Constructor Summary

Constructors

Constructor	Description
IsInstanceOf(Class<?> cls)

Method Summary

Modifier and Type	Method	Description
String	explain(boolean result, String arg)	Explains the conditions at which a positive or negative result is obtained.
static IsInstanceOf	from(Class<?> cls)
Class<Object>	getValueClass()
static IsInstanceOf	of(Class<?> cls)
boolean	test(Object value)

Methods inherited from class java.lang.Object

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

Methods inherited from interface cdc.validation.checkers.Checker

after, after, afterRaw, and, andRaw, cast, cast, explain, explain, negate, or, orRaw, testAndExplain, testAndExplain, testAndExplainRaw, testAndExplainRaw, testRaw, wrap

Methods inherited from interface java.util.function.Predicate

and, or

Field Details

CLASS

public static final FormalArg<Class> CLASS

FARGS

public static final FormalArgs FARGS

FACTORY

public static final Factory<IsInstanceOf> FACTORY

Constructor Details

IsInstanceOf

public IsInstanceOf(Class<?> cls)

Method Details

of

public static IsInstanceOf of(Class<?> cls)

getValueClass

public Class<Object> getValueClass()

Specified by:

getValueClass in interface Checker<Object>

Returns:

The class of tested values.

test

public boolean test(Object value)

Specified by:

test in interface Checker<Object>

Specified by:

test in interface Predicate<Object>

explain

public String explain(boolean result,
 String arg)

Description copied from interface: Checker

Explains the conditions at which a positive or negative result is obtained.

Specified by:

explain in interface Checker<Object>

Parameters:

result - The result to explain.

arg - The argument name to use in explanations.

Returns:

A string explaining the conditions leading to result.

from

public static IsInstanceOf from(Class<?> cls)