net.digitalid.utility.functional.nullable

Class Evaluate

java.lang.Object

net.digitalid.utility.functional.nullable.Evaluate

@Utility
public class Evaluate
extends Object

This utility class allows to evaluate functional interfaces only in case their input is not null.

See Also:

Get

Constructor Summary

Constructors

Constructor and Description
Evaluate()

Method Summary

Modifier and Type	Method and Description
static <INPUT,EXCEPTION extends Exception> void	consumerIfNotNull(INPUT input, @Nonnull FailableConsumer<? super INPUT,? extends EXCEPTION> consumer) Lets the given consumer consume the given input if it is not null.
static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT	functionIfBothNotNull(INPUT0 input0, INPUT1 input1, @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function) Evaluates the given function for the given inputs if both inputs are not null or propagates null otherwise.
static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT	functionIfBothNotNull(INPUT0 input0, INPUT1 input1, @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function, OUTPUT defaultOutput) Evaluates the given function for the given inputs if both inputs are not null or returns the given default output otherwise.
static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT	functionIfFirstNotNull(INPUT0 input0, INPUT1 input1, @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function) Evaluates the given function for the given inputs if the first input is not null or propagates null otherwise.
static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT	functionIfFirstNotNull(INPUT0 input0, INPUT1 input1, @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function, OUTPUT defaultOutput) Evaluates the given function for the given inputs if the first input is not null or returns the given default output otherwise.
static <INPUT,OUTPUT,EXCEPTION extends Exception> OUTPUT	functionIfNotNull(INPUT input, @Nonnull FailableUnaryFunction<? super INPUT,? extends OUTPUT,? extends EXCEPTION> function) Evaluates the given function for the given input if it is not null or propagates null otherwise.
static <INPUT,OUTPUT,EXCEPTION extends Exception> OUTPUT	functionIfNotNull(INPUT input, @Nonnull FailableUnaryFunction<? super INPUT,? extends OUTPUT,? extends EXCEPTION> function, OUTPUT defaultOutput) Evaluates the given function for the given input if it is not null or returns the given default output otherwise.
static <INPUT,EXCEPTION extends Exception> boolean	predicateIfNotNull(INPUT input, @Nonnull FailablePredicate<? super INPUT,? extends EXCEPTION> predicate) Evaluates the given predicate for the given input if it is not null or returns false otherwise.
static <INPUT,EXCEPTION extends Exception> boolean	predicateIfNotNull(INPUT input, @Nonnull FailablePredicate<? super INPUT,? extends EXCEPTION> predicate, boolean defaultOutput) Evaluates the given predicate for the given input if it is not null or returns the given default output otherwise.

Methods inherited from class java.lang.Object

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

Constructor Detail

Evaluate

public Evaluate()

Method Detail

consumerIfNotNull

@Pure
public static <INPUT,EXCEPTION extends Exception> void consumerIfNotNull(@Captured @Nullable
                                                                               INPUT input,
                                                                               @Nonnull
                                                                               @Nonnull FailableConsumer<? super INPUT,? extends EXCEPTION> consumer)
                                                                        throws EXCEPTION extends Exception

Lets the given consumer consume the given input if it is not null.

Throws:

EXCEPTION extends Exception

predicateIfNotNull

@Pure
public static <INPUT,EXCEPTION extends Exception> boolean predicateIfNotNull(@NonCaptured @Unmodified @Nullable
                                                                                   INPUT input,
                                                                                   @Nonnull
                                                                                   @Nonnull FailablePredicate<? super INPUT,? extends EXCEPTION> predicate,
                                                                                   boolean defaultOutput)
                                                                            throws EXCEPTION extends Exception

Evaluates the given predicate for the given input if it is not null or returns the given default output otherwise.

Throws:

EXCEPTION extends Exception

predicateIfNotNull

@Pure
public static <INPUT,EXCEPTION extends Exception> boolean predicateIfNotNull(@NonCaptured @Unmodified @Nullable
                                                                                   INPUT input,
                                                                                   @Nonnull
                                                                                   @Nonnull FailablePredicate<? super INPUT,? extends EXCEPTION> predicate)
                                                                            throws EXCEPTION extends Exception

Evaluates the given predicate for the given input if it is not null or returns false otherwise.

Throws:

EXCEPTION extends Exception

functionIfNotNull

@Pure
public static <INPUT,OUTPUT,EXCEPTION extends Exception> OUTPUT functionIfNotNull(@NonCaptured @Unmodified @Nullable
                                                                                        INPUT input,
                                                                                        @Nonnull
                                                                                        @Nonnull FailableUnaryFunction<? super INPUT,? extends OUTPUT,? extends EXCEPTION> function,
                                                                                        @NonCaptured @Unmodified
                                                                                        OUTPUT defaultOutput)
                                                                                 throws EXCEPTION extends Exception

Evaluates the given function for the given input if it is not null or returns the given default output otherwise.

Throws:

EXCEPTION extends Exception

functionIfNotNull

@Pure
 @Nullable
public static <INPUT,OUTPUT,EXCEPTION extends Exception> OUTPUT functionIfNotNull(@NonCaptured @Unmodified @Nullable
                                                                                                   INPUT input,
                                                                                                   @Nonnull
                                                                                                   @Nonnull FailableUnaryFunction<? super INPUT,? extends OUTPUT,? extends EXCEPTION> function)
                                                                                            throws EXCEPTION extends Exception

Evaluates the given function for the given input if it is not null or propagates null otherwise.

Throws:

EXCEPTION extends Exception

functionIfFirstNotNull

@Pure
public static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT functionIfFirstNotNull(@NonCaptured @Unmodified @Nullable
                                                                                                     INPUT0 input0,
                                                                                                     @NonCaptured @Unmodified
                                                                                                     INPUT1 input1,
                                                                                                     @Nonnull
                                                                                                     @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function,
                                                                                                     @NonCaptured @Unmodified
                                                                                                     OUTPUT defaultOutput)
                                                                                              throws EXCEPTION extends Exception

Evaluates the given function for the given inputs if the first input is not null or returns the given default output otherwise.

Throws:

EXCEPTION extends Exception

functionIfFirstNotNull

@Pure
 @Nullable
public static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT functionIfFirstNotNull(@NonCaptured @Unmodified @Nullable
                                                                                                                INPUT0 input0,
                                                                                                                @NonCaptured @Unmodified
                                                                                                                INPUT1 input1,
                                                                                                                @Nonnull
                                                                                                                @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function)
                                                                                                         throws EXCEPTION extends Exception

Evaluates the given function for the given inputs if the first input is not null or propagates null otherwise.

Throws:

EXCEPTION extends Exception

functionIfBothNotNull

@Pure
public static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT functionIfBothNotNull(@NonCaptured @Unmodified @Nullable
                                                                                                    INPUT0 input0,
                                                                                                    @NonCaptured @Unmodified @Nullable
                                                                                                    INPUT1 input1,
                                                                                                    @Nonnull
                                                                                                    @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function,
                                                                                                    @NonCaptured @Unmodified
                                                                                                    OUTPUT defaultOutput)
                                                                                             throws EXCEPTION extends Exception

Evaluates the given function for the given inputs if both inputs are not null or returns the given default output otherwise.

Throws:

EXCEPTION extends Exception

functionIfBothNotNull

@Pure
 @Nullable
public static <INPUT0,INPUT1,OUTPUT,EXCEPTION extends Exception> OUTPUT functionIfBothNotNull(@NonCaptured @Unmodified @Nullable
                                                                                                               INPUT0 input0,
                                                                                                               @NonCaptured @Unmodified @Nullable
                                                                                                               INPUT1 input1,
                                                                                                               @Nonnull
                                                                                                               @Nonnull FailableBinaryFunction<? super INPUT0,? super INPUT1,? extends OUTPUT,? extends EXCEPTION> function)
                                                                                                        throws EXCEPTION extends Exception

Evaluates the given function for the given inputs if both inputs are not null or propagates null otherwise.

Throws:

EXCEPTION extends Exception