io.spine.server.tuple

Class Quartet<A extends com.google.protobuf.Message,B,C,D>

java.lang.Object

io.spine.server.tuple.Tuple

io.spine.server.tuple.Quartet<A,B,C,D>

Type Parameters:

A - the type of the first element

B - the type of the second element

C - the type of the third element

D - the type of the fourth element

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<com.google.protobuf.Message>

public final class Quartet<A extends com.google.protobuf.Message,B,C,D>
extends Tuple

A tuple with four elements.

The first element must be a non-default Message and not Empty.

Other three can be Message, Optional or Either.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
A	getA() Obtains the first element of the tuple.
B	getB() Obtains the second element of the tuple.
C	getC() Obtains the third element of the tuple.
D	getD() Obtains the fourth element of the tuple.
static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,B,C,D>	of(A a, B b, C c, D d) Creates a quartet with all values present.
static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,B,C,java.util.Optional<D>>	withNullable(A a, B b, C c, D d) Creates a quartet with one optional value.
static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,B,java.util.Optional<C>,java.util.Optional<D>>	withNullable2(A a, B b, C c, D d) Creates a quartet with two optional values.
static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,java.util.Optional<B>,java.util.Optional<C>,java.util.Optional<D>>	withNullable3(A a, B b, C c, D d) Creates a quartet with three optional values.

Methods inherited from class io.spine.server.tuple.Tuple

equals, get, hashCode, iterator

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

of

public static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,B,C,D> of(A a,
                                                                                                                                                                                            B b,
                                                                                                                                                                                            C c,
                                                                                                                                                                                            D d)

Creates a quartet with all values present.

withNullable

public static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,B,C,java.util.Optional<D>> withNullable(A a,
                                                                                                                                                                                                                          B b,
                                                                                                                                                                                                                          C c,
                                                                                                                                                                                                                          D d)

Creates a quartet with one optional value.

withNullable2

public static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,B,java.util.Optional<C>,java.util.Optional<D>> withNullable2(A a,
                                                                                                                                                                                                                                               B b,
                                                                                                                                                                                                                                               C c,
                                                                                                                                                                                                                                               D d)

Creates a quartet with two optional values.

withNullable3

public static <A extends com.google.protobuf.Message,B extends com.google.protobuf.Message,C extends com.google.protobuf.Message,D extends com.google.protobuf.Message> Quartet<A,java.util.Optional<B>,java.util.Optional<C>,java.util.Optional<D>> withNullable3(A a,
                                                                                                                                                                                                                                                                   B b,
                                                                                                                                                                                                                                                                   C c,
                                                                                                                                                                                                                                                                   D d)

Creates a quartet with three optional values.

getA

public A getA()

Obtains the first element of the tuple.

getB

public B getB()

Obtains the second element of the tuple.

getC

public C getC()

Obtains the third element of the tuple.

getD

public D getD()

Obtains the fourth element of the tuple.