/**
*
* 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.nullable;
import com.speedment.common.tuple.Tuple;
import com.speedment.common.tuple.TupleOfNullables;
import java.util.Optional;
/**
* This interface defines a generic Tuple of degree 4 that can hold non-null
* values. A Tuple is type safe, immutable and thread safe. For Tuples that can
* hold
* null elements see {@link TupleOfNullables}
*
* This {@link Tuple } has a degree of 4
*
* @param <T0> type of element 0
* @param <T1> type of element 1
* @param <T2> type of element 2
* @param <T3> type of element 3
*
* @author Per Minborg
*/
public interface Tuple4OfNullables<T0, T1, T2, T3> extends TupleOfNullables {
Optional<T0> get0();
Optional<T1> get1();
Optional<T2> get2();
Optional<T3> get3();
@Override
default int degree() {
return 4;
}
@SuppressWarnings("unchecked")
default Optional<Object> get(int index) {
switch (index) {
case 0 : return (Optional<Object>)get0();
case 1 : return (Optional<Object>)get1();
case 2 : return (Optional<Object>)get2();
case 3 : return (Optional<Object>)get3();
default : throw new IllegalArgumentException(String.format("Index %d is outside bounds of tuple of degree %s", index, degree()
));
}
}
}