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Optional.php
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<?php
declare(strict_types=1);
namespace PHPJava\Packages\java\util;
use PHPJava\Exceptions\NotImplementedException;
use PHPJava\Packages\java\lang\Object_;
// use PHPJava\Packages\java\util\function\Supplier;
// use PHPJava\Packages\java\lang\Runnable;
// use PHPJava\Packages\java\util\stream\Stream;
/**
* The `Optional` class was auto generated.
*
* @parent \PHPJava\Packages\java\lang\Object_
*/
class Optional extends Object_ // implements Supplier, Runnable, Stream
{
/**
* Returns an empty Optional instance.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#empty
* @param null|mixed $a
* @throws NotImplementedException
*/
public static function empty($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* Indicates whether some other object is "equal to" this Optional.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#equals
* @param null|mixed $a
* @throws NotImplementedException
*/
public function equals($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, and the value matches the given predicate, returns an Optional describing the value, otherwise returns an empty Optional.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#filter
* @param null|mixed $a
* @throws NotImplementedException
*/
public function filter($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns the result of applying the given Optional-bearing mapping function to the value, otherwise returns an empty Optional.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#flatMap
* @param null|mixed $a
* @param null|mixed $b
* @throws NotImplementedException
*/
public function flatMap($a = null, $b = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns the value, otherwise throws NoSuchElementException.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#get
* @param null|mixed $a
* @throws NotImplementedException
*/
public function get($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* Returns the hash code of the value, if present, otherwise 0 (zero) if no value is present.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#hashCode
* @param null|mixed $a
* @throws NotImplementedException
*/
public function hashCode($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, performs the given action with the value, otherwise does nothing.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#ifPresent
* @param null|mixed $a
* @throws NotImplementedException
*/
public function ifPresent($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, performs the given action with the value, otherwise performs the given empty-based action.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#ifPresentOrElse
* @param null|mixed $a
* @param null|mixed $b
* @throws NotImplementedException
*/
public function ifPresentOrElse($a = null, $b = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is not present, returns true, otherwise false.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#isEmpty
* @param null|mixed $a
* @throws NotImplementedException
*/
public function isEmpty($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns true, otherwise false.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#isPresent
* @param null|mixed $a
* @throws NotImplementedException
*/
public function isPresent($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns an Optional describing (as if by ofNullable(T)) the result of applying the given mapping function to the value, otherwise returns an empty Optional.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#map
* @param null|mixed $a
* @param null|mixed $b
* @throws NotImplementedException
*/
public function map($a = null, $b = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* Returns an Optional describing the given non-null value.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#of
* @param null|mixed $a
* @throws NotImplementedException
*/
public static function of($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* Returns an Optional describing the given value, if non-null, otherwise returns an empty Optional.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#ofNullable
* @param null|mixed $a
* @throws NotImplementedException
*/
public static function ofNullable($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns an Optional describing the value, otherwise returns an Optional produced by the supplying function.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#or
* @param null|mixed $a
* @throws NotImplementedException
*/
public function or($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns the value, otherwise returns other.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#orElse
* @param null|mixed $a
* @throws NotImplementedException
*/
public function orElse($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns the value, otherwise returns the result produced by the supplying function.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#orElseGet
* @param null|mixed $a
* @throws NotImplementedException
*/
public function orElseGet($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns the value, otherwise throws NoSuchElementException.
* If a value is present, returns the value, otherwise throws an exception produced by the exception supplying function.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#orElseThrow
* @param null|mixed $a
* @throws NotImplementedException
*/
public function orElseThrow($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* If a value is present, returns a sequential Stream containing only that value, otherwise returns an empty Stream.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#stream
* @param null|mixed $a
* @throws NotImplementedException
*/
public function stream($a = null)
{
throw new NotImplementedException(__METHOD__);
}
/**
* Returns a non-empty string representation of this Optional suitable for debugging.
*
* @see https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/package-summary.html#toString
* @param null|mixed $a
* @throws NotImplementedException
*/
public function toString($a = null)
{
throw new NotImplementedException(__METHOD__);
}
}