/*
* Copyright (c) 2016 Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.RandomAccess;
import java.util.Spliterator;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
class SpliteratorLateBindingFailFastHelper {
interface Source<T> {
Spliterator<T> spliterator();
void update();
default boolean bindOnCharacteristics() {
return false;
}
}
static class IntSource<T> implements Source<Integer> {
final T b;
final Function<? super T, Spliterator.OfInt> toSpliterator;
final Consumer<T> updater;
final boolean bindOnCharacteristics;
public IntSource(T b, Function<? super T, Spliterator.OfInt> toSpliterator,
Consumer<T> updater) {
this(b, toSpliterator, updater, false);
}
public IntSource(T b, Function<? super T, Spliterator.OfInt> toSpliterator,
Consumer<T> updater, boolean bindOnCharacteristics) {
this.b = b;
this.toSpliterator = toSpliterator;
this.updater = updater;
this.bindOnCharacteristics = bindOnCharacteristics;
}
@Override
public Spliterator.OfInt spliterator() {
return toSpliterator.apply(b);
}
@Override
public void update() {
updater.accept(b);
}
@Override
public boolean bindOnCharacteristics() {
return bindOnCharacteristics;
}
}
static class SpliteratorDataBuilder<T> {
final List<Object[]> data;
final T newValue;
final List<T> exp;
final Map<T, T> mExp;
SpliteratorDataBuilder(List<Object[]> data, T newValue, List<T> exp) {
this.data = data;
this.newValue = newValue;
this.exp = exp;
this.mExp = createMap(exp);
}
Map<T, T> createMap(List<T> l) {
Map<T, T> m = new LinkedHashMap<>();
for (T t : l) {
m.put(t, t);
}
return m;
}
void add(String description, Supplier<Source<?>> s) {
data.add(new Object[]{description, s});
}
void addCollection(Function<Collection<T>, ? extends Collection<T>> f) {
class CollectionSource implements Source<T> {
final Collection<T> c = f.apply(exp);
final Consumer<Collection<T>> updater;
CollectionSource(Consumer<Collection<T>> updater) {
this.updater = updater;
}
@Override
public Spliterator<T> spliterator() {
return c.spliterator();
}
@Override
public void update() {
updater.accept(c);
}
}
String description = "new " + f.apply(Collections.<T>emptyList()).getClass().getName() + ".spliterator() ";
add(description + "ADD", () -> new CollectionSource(c -> c.add(newValue)));
add(description + "REMOVE", () -> new CollectionSource(c -> c.remove(c.iterator().next())));
}
void addList(Function<Collection<T>, ? extends List<T>> l) {
addCollection(l);
addCollection(l.andThen(list -> list.subList(0, list.size())));
}
void addMap(Function<Map<T, T>, ? extends Map<T, T>> mapConstructor) {
class MapSource<U> implements Source<U> {
final Map<T, T> m = mapConstructor.apply(mExp);
final Collection<U> c;
final Consumer<Map<T, T>> updater;
MapSource(Function<Map<T, T>, Collection<U>> f, Consumer<Map<T, T>> updater) {
this.c = f.apply(m);
this.updater = updater;
}
@Override
public Spliterator<U> spliterator() {
return c.spliterator();
}
@Override
public void update() {
updater.accept(m);
}
}
Map<String, Consumer<Map<T, T>>> actions = new HashMap<>();
actions.put("ADD", m -> m.put(newValue, newValue));
actions.put("REMOVE", m -> m.remove(m.keySet().iterator().next()));
String description = "new " + mapConstructor.apply(Collections.<T, T>emptyMap()).getClass().getName();
for (Map.Entry<String, Consumer<Map<T, T>>> e : actions.entrySet()) {
add(description + ".keySet().spliterator() " + e.getKey(),
() -> new MapSource<>(m -> m.keySet(), e.getValue()));
add(description + ".values().spliterator() " + e.getKey(),
() -> new MapSource<>(m -> m.values(), e.getValue()));
add(description + ".entrySet().spliterator() " + e.getKey(),
() -> new MapSource<>(m -> m.entrySet(), e.getValue()));
}
}
}
static class AbstractRandomAccessListImpl extends AbstractList<Integer> implements RandomAccess {
List<Integer> l;
AbstractRandomAccessListImpl(Collection<Integer> c) {
this.l = new ArrayList<>(c);
}
@Override
public boolean add(Integer integer) {
modCount++;
return l.add(integer);
}
@Override
public Iterator<Integer> iterator() {
return l.iterator();
}
@Override
public Integer get(int index) {
return l.get(index);
}
@Override
public boolean remove(Object o) {
modCount++;
return l.remove(o);
}
@Override
public int size() {
return l.size();
}
@Override
public List<Integer> subList(int fromIndex, int toIndex) {
return l.subList(fromIndex, toIndex);
}
}
}