org.dmfs.jems.optional.elementary

Class NullSafe<T>

java.lang.Object

org.dmfs.jems.optional.elementary.NullSafe<T>

All Implemented Interfaces:

Optional<T>

public final class NullSafe<T>
extends java.lang.Object
implements Optional<T>

An Optional that's not present if the given value is null.

Constructor Summary

Constructors

Constructor and Description
NullSafe(T value)

Method Summary

Modifier and Type	Method and Description
boolean	isPresent() Returns whether the optional value is present.
T	value() Returns the optional value.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullSafe

public NullSafe(T value)

Method Detail

isPresent

public boolean isPresent()

Description copied from interface: Optional

Returns whether the optional value is present.

Specified by:

isPresent in interface Optional<T>

Returns:

true if the value is present, false otherwise.

value

public T value()
        throws java.util.NoSuchElementException

Description copied from interface: Optional

Returns the optional value.

Specified by:

value in interface Optional<T>

Returns:

The value.

Throws:

java.util.NoSuchElementException - if the optional value is not present.