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Some stellar general purpose utils.
/*
* Copyright (C) Posten Norge AS
*
* 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 no.digipost.tuple;
import no.digipost.function.DecaFunction;
import no.digipost.function.HexaFunction;
import no.digipost.function.NonaFunction;
import no.digipost.function.OctoFunction;
import no.digipost.function.PentaFunction;
import no.digipost.function.QuadFunction;
import no.digipost.function.SeptiFunction;
import no.digipost.function.TriFunction;
import java.io.Serializable;
import java.util.Objects;
import java.util.StringJoiner;
import java.util.function.BiFunction;
import java.util.function.Function;
import static java.util.function.Function.identity;
final class XTuple implements Tuple,
Triple,
Quadruple,
Pentuple,
Hextuple,
Septuple,
Octuple,
Nonuple,
Decuple,
Serializable {
private static final long serialVersionUID = 1L;
static final Serializable TERMINATOR = new Serializable() {
private Object readResolve() {
return TERMINATOR;
}
@Override
public String toString() {
return "[" + XTuple.class.getSimpleName() + "-terminator element. Seeing this text indicates a bug in the Digg library.";
};
};
private final T1 _1;
private final T2 _2;
private final T3 _3;
private final T4 _4;
private final T5 _5;
private final T6 _6;
private final T7 _7;
private final T8 _8;
private final T9 _9;
private final T10 _10;
XTuple(T1 _1, T2 _2, T3 _3, T4 _4, T5 _5, T6 _6, T7 _7, T8 _8, T9 _9, T10 _10) {
this._1 = _1;
this._2 = _2;
this._3 = _3;
this._4 = _4;
this._5 = _5;
this._6 = _6;
this._7 = _7;
this._8 = _8;
this._9 = _9;
this._10 = _10;
}
@Override
public T1 first() {
return _1;
}
@Override
public T2 second() {
return _2;
}
@Override
public T3 third() {
return _3;
}
@Override
public T4 fourth() {
return _4;
}
@Override
public T5 fifth() {
return _5;
}
@Override
public T6 sixth() {
return _6;
}
@Override
public T7 seventh() {
return _7;
}
@Override
public T8 eighth() {
return _8;
}
@Override
public T9 ninth() {
return _9;
}
@Override
public T10 tenth() {
return _10;
}
@Override
public XTuple mapFirst(Function mapper) {
return map(mapper, identity());
}
@Override
public XTuple mapSecond(Function mapper) {
return map(identity(), mapper);
}
@Override
public XTuple mapThird(Function mapper) {
return map(identity(), identity(), mapper);
}
@Override
public XTuple mapFourth(Function mapper) {
return map(identity(), identity(), identity(), mapper);
}
@Override
public XTuple mapFifth(Function mapper) {
return map(identity(), identity(), identity(), identity(), mapper);
}
@Override
public XTuple mapSixth(Function mapper) {
return map(identity(), identity(), identity(), identity(), identity(), mapper);
}
@Override
public XTuple mapSeventh(Function mapper) {
return map(identity(), identity(), identity(), identity(), identity(), identity(), mapper);
}
@Override
public XTuple mapEighth(Function mapper) {
return map(identity(), identity(), identity(), identity(), identity(), identity(), identity(), mapper);
}
@Override
public XTuple mapNinth(Function mapper) {
return map(identity(), identity(), identity(), identity(), identity(), identity(), identity(), identity(), mapper);
}
@Override
public XTuple mapTenth(Function mapper) {
return map(identity(), identity(), identity(), identity(), identity(), identity(), identity(), identity(), identity(), mapper);
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper) {
return map(firstMapper, secondMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper) {
return map(firstMapper, secondMapper, thirdMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper,
Function fourthMapper) {
return map(firstMapper, secondMapper, thirdMapper, fourthMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper,
Function fourthMapper,
Function fifthMapper) {
return map(firstMapper, secondMapper, thirdMapper, fourthMapper, fifthMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper,
Function fourthMapper,
Function fifthMapper,
Function sixthMapper) {
return map(firstMapper, secondMapper, thirdMapper, fourthMapper, fifthMapper, sixthMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper,
Function fourthMapper,
Function fifthMapper,
Function sixthMapper,
Function seventhMapper) {
return map(firstMapper, secondMapper, thirdMapper, fourthMapper, fifthMapper, sixthMapper, seventhMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper,
Function fourthMapper,
Function fifthMapper,
Function sixthMapper,
Function seventhMapper,
Function eightMapper) {
return map(firstMapper, secondMapper, thirdMapper, fourthMapper, fifthMapper, sixthMapper, seventhMapper, eightMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper,
Function fourthMapper,
Function fifthMapper,
Function sixthMapper,
Function seventhMapper,
Function eightMapper,
Function ninthMapper) {
return map(firstMapper, secondMapper, thirdMapper, fourthMapper, fifthMapper, sixthMapper, seventhMapper, eightMapper, ninthMapper, identity());
}
@Override
public XTuple map(Function firstMapper,
Function secondMapper,
Function thirdMapper,
Function fourthMapper,
Function fifthMapper,
Function sixthMapper,
Function seventhMapper,
Function eightMapper,
Function ninthMapper,
Function tenthMapper) {
return new XTuple<>(firstMapper.apply(_1),
secondMapper.apply(_2),
thirdMapper.apply(_3),
fourthMapper.apply(_4),
fifthMapper.apply(_5),
sixthMapper.apply(_6),
seventhMapper.apply(_7),
eightMapper.apply(_8),
ninthMapper.apply(_9),
tenthMapper.apply(_10));
}
@Override
public Decuple asDecuple() {
return this;
}
@Override
public Nonuple asNonuple() {
return this;
}
@Override
public Octuple asOctuple() {
return this;
}
@Override
public Septuple asSeptuple() {
return this;
}
@Override
public Hextuple asHextuple() {
return this;
}
@Override
public Pentuple asPentuple() {
return this;
}
@Override
public Quadruple asQuadruple() {
return this;
}
@Override
public Triple asTriple() {
return this;
}
@Override
public Tuple asTuple() {
return this;
}
@Override
public R to(BiFunction convertor) {
return convertor.apply(_1, _2);
}
@Override
public R to(TriFunction convertor) {
return convertor.apply(_1, _2, _3);
}
@Override
public R to(QuadFunction convertor) {
return convertor.apply(_1, _2, _3, _4);
}
@Override
public R to(PentaFunction convertor) {
return convertor.apply(_1, _2, _3, _4, _5);
}
@Override
public R to(HexaFunction convertor) {
return convertor.apply(_1, _2, _3, _4, _5, _6);
}
@Override
public R to(SeptiFunction convertor) {
return convertor.apply(_1, _2, _3, _4, _5, _6, _7);
}
@Override
public R to(OctoFunction convertor) {
return convertor.apply(_1, _2, _3, _4, _5, _6, _7, _8);
}
@Override
public R to(NonaFunction convertor) {
return convertor.apply(_1, _2, _3, _4, _5, _6, _7, _8, _9);
}
@Override
public R to(DecaFunction convertor) {
return convertor.apply(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof XTuple) {
XTuple that = (XTuple) obj;
return Objects.equals(this._1, that._1) &&
Objects.equals(this._2, that._2) &&
Objects.equals(this._3, that._3) &&
Objects.equals(this._4, that._4) &&
Objects.equals(this._5, that._5) &&
Objects.equals(this._6, that._6) &&
Objects.equals(this._7, that._7) &&
Objects.equals(this._8, that._8) &&
Objects.equals(this._9, that._9) &&
Objects.equals(this._10, that._10);
}
return false;
}
@Override
public int hashCode() {
return Objects.hash(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10);
}
@Override
public String toString() {
StringJoiner joiner = new StringJoiner(", ", "[", "]");
for (Object element : new Object[] {_1, _2, _3, _4, _5, _6, _7, _8, _9, _10}) {
if (element == TERMINATOR) break;
joiner.add(String.valueOf(element));
}
return joiner.toString();
}
}