/** * * Copyright (c) 2006-2017, Speedment, Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); You may not * use this file except in compliance with the License. You may obtain a copy of * the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.speedment.common.tuple.internal.nullable.mapper; import com.speedment.common.tuple.Tuple0; import com.speedment.common.tuple.TupleMapper; import com.speedment.common.tuple.TuplesOfNullables; import com.speedment.common.tuple.nullable.Tuple0OfNullables; import java.util.function.Function; /** * An implementation class of a {@link TupleMapper } of degree 0 * * @param <T> Type of the original object for the mapper to use when creating a * {@code Tuple } * * @author Per Minborg */ public final class Tuple0OfNullablesMapperImpl<T> implements TupleMapper<T, Tuple0OfNullables> { public final static Tuple0OfNullablesMapperImpl<?> EMPTY_MAPPER = new Tuple0OfNullablesMapperImpl<>(); /** * Constructs a {@link TupleMapper } that can create {@link Tuple0 }. */ private Tuple0OfNullablesMapperImpl() { } @Override public Tuple0OfNullables apply(T t) { return TuplesOfNullables.ofNullables( ); } @Override public int degree() { return 0; } @Override public Function<T, ?> get(int index) { switch(index){ default : throw new IndexOutOfBoundsException(); } } }