com.koloboke.collect.impl.hash.MutableParallelKVObjLHashGO Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of koloboke-impl-jdk8 Show documentation
Show all versions of koloboke-impl-jdk8 Show documentation
Carefully designed and efficient extension of the Java Collections Framework with primitive specializations and more, built for Java 8 (Implementation)
The newest version!
/*
* Copyright 2014 the original author or authors.
*
* 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.koloboke.collect.impl.hash;
import com.koloboke.collect.*;
import com.koloboke.collect.impl.InternalObjCollectionOps;
import com.koloboke.collect.set.hash.HashObjSet;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.function.Consumer;
import java.util.function.Predicate;
import com.koloboke.collect.impl.NotGenerated;
import com.koloboke.collect.set.ObjSet;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import javax.annotation.Nonnull;
import java.util.*;
public abstract class MutableParallelKVObjLHashGO
extends MutableParallelKVObjLHashSO {
@Nonnull
@Override
public Object[] table() {
return table;
}
@Override
boolean doubleSizedArrays() {
return true;
}
@Override
public int capacity() {
return table.length >> 1;
}
public void forEach(Consumer action) {
if (action == null)
throw new java.lang.NullPointerException();
if (this.isEmpty())
return;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
action.accept(key);
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
}
public boolean forEachWhile(
Predicate
predicate) {
if (predicate == null)
throw new java.lang.NullPointerException();
if (this.isEmpty())
return true;
boolean terminated = false;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
if (!predicate.test(key)) {
terminated = true;
break;
}
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return !terminated;
}
public boolean allContainingIn(ObjCollection c) {
if (this.isEmpty())
return true;
boolean containsAll = true;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
if (!c.contains(key)) {
containsAll = false;
break;
}
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return containsAll;
}
public boolean reverseAddAllTo(ObjCollection c) {
if (this.isEmpty())
return false;
boolean changed = false;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
changed |= c.add(key);
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return changed;
}
public boolean reverseRemoveAllFrom(ObjSet s) {
if (this.isEmpty() || s.isEmpty())
return false;
boolean changed = false;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
changed |= s.remove(key);
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return changed;
}
public ObjIterator iterator() {
int mc = modCount();
return new NoRemovedIterator(mc);
}
public ObjCursor setCursor() {
int mc = modCount();
return new NoRemovedCursor(mc);
}
@Nonnull
public Object[] toArray() {
int size = size();
Object[] result = new Object[size];
if (size == 0)
return result;
int resultIndex = 0;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
result[resultIndex++] = key;
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return result;
}
@SuppressWarnings("unchecked")
@Nonnull
public T[] toArray(@Nonnull T[] a) {
int size = size();
if (a.length < size) {
Class elementType = a.getClass().getComponentType();
a = (T[]) java.lang.reflect.Array.newInstance(elementType, size);
}
if (size == 0) {
if (a.length > 0)
a[0] = null;
return a;
}
int resultIndex = 0;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
a[resultIndex++] = (T) key;
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
if (a.length > resultIndex)
a[resultIndex] = null;
return a;
}
public int setHashCode() {
int hashCode = 0;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
hashCode += nullableKeyHashCode(key);
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return hashCode;
}
public String setToString() {
if (this.isEmpty())
return "[]";
StringBuilder sb = new StringBuilder();
int elementCount = 0;
int mc = modCount();
Object[] tab = table;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
sb.append(' ').append(key != (Object) this ? key : "(this Collection)").append(',');
if (++elementCount == 8) {
int expectedLength = sb.length() * (size() / 8);
sb.ensureCapacity(expectedLength + (expectedLength / 2));
}
}
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
sb.setCharAt(0, '[');
sb.setCharAt(sb.length() - 1, ']');
return sb.toString();
}
abstract boolean justRemove(E key);
public boolean removeIf(Predicate filter) {
if (filter == null)
throw new java.lang.NullPointerException();
if (this.isEmpty())
return false;
boolean changed = false;
int mc = modCount();
Object[] tab = table;
int capacityMask = tab.length - 2;
int firstDelayedRemoved = -1;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
if (filter.test(key)) {
incrementModCount();
mc++;
closeDeletion:
if (firstDelayedRemoved < 0) {
int indexToRemove = i;
int indexToShift = indexToRemove;
int shiftDistance = 2;
while (true) {
indexToShift = (indexToShift - 2) & capacityMask;
Object keyToShift;
if ((keyToShift = tab[indexToShift]) == FREE) {
break;
}
// noinspection unchecked
E castedKeyToShift = (E) keyToShift;
if (((ParallelKVObjKeyMixing.mix(nullableKeyHashCode(castedKeyToShift)) - indexToShift) & capacityMask) >= shiftDistance) {
if (indexToShift > indexToRemove) {
firstDelayedRemoved = i;
tab[indexToRemove] = REMOVED;
break closeDeletion;
}
if (indexToRemove == i) {
i += 2;
}
tab[indexToRemove] = castedKeyToShift;
indexToRemove = indexToShift;
shiftDistance = 2;
} else {
shiftDistance += 2;
}
}
tab[indexToRemove] = FREE;
postRemoveHook();
} else {
tab[i] = REMOVED;
}
changed = true;
}
}
}
if (firstDelayedRemoved >= 0) {
closeDelayedRemoved(firstDelayedRemoved);
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return changed;
}
boolean removeAll(@Nonnull HashObjSet thisC, @Nonnull Collection c) {
if (thisC == (Object) c)
throw new IllegalArgumentException();
if (this.isEmpty() || c.isEmpty())
return false;
boolean changed = false;
int mc = modCount();
Object[] tab = table;
int capacityMask = tab.length - 2;
int firstDelayedRemoved = -1;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
if (c.contains(key)) {
incrementModCount();
mc++;
closeDeletion:
if (firstDelayedRemoved < 0) {
int indexToRemove = i;
int indexToShift = indexToRemove;
int shiftDistance = 2;
while (true) {
indexToShift = (indexToShift - 2) & capacityMask;
Object keyToShift;
if ((keyToShift = tab[indexToShift]) == FREE) {
break;
}
// noinspection unchecked
E castedKeyToShift = (E) keyToShift;
if (((ParallelKVObjKeyMixing.mix(nullableKeyHashCode(castedKeyToShift)) - indexToShift) & capacityMask) >= shiftDistance) {
if (indexToShift > indexToRemove) {
firstDelayedRemoved = i;
tab[indexToRemove] = REMOVED;
break closeDeletion;
}
if (indexToRemove == i) {
i += 2;
}
tab[indexToRemove] = castedKeyToShift;
indexToRemove = indexToShift;
shiftDistance = 2;
} else {
shiftDistance += 2;
}
}
tab[indexToRemove] = FREE;
postRemoveHook();
} else {
tab[i] = REMOVED;
}
changed = true;
}
}
}
if (firstDelayedRemoved >= 0) {
closeDelayedRemoved(firstDelayedRemoved);
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return changed;
}
boolean retainAll(@Nonnull HashObjSet thisC, @Nonnull Collection c) {
if (thisC == (Object) c)
throw new IllegalArgumentException();
if (this.isEmpty())
return false;
if (c.isEmpty()) {
clear();
return true;
}
boolean changed = false;
int mc = modCount();
Object[] tab = table;
int capacityMask = tab.length - 2;
int firstDelayedRemoved = -1;
for (int i = tab.length - 2; i >= 0; i -= 2) {
E key;
// noinspection unchecked
if ((key = (E) tab[i]) != FREE) {
if (!c.contains(key)) {
incrementModCount();
mc++;
closeDeletion:
if (firstDelayedRemoved < 0) {
int indexToRemove = i;
int indexToShift = indexToRemove;
int shiftDistance = 2;
while (true) {
indexToShift = (indexToShift - 2) & capacityMask;
Object keyToShift;
if ((keyToShift = tab[indexToShift]) == FREE) {
break;
}
// noinspection unchecked
E castedKeyToShift = (E) keyToShift;
if (((ParallelKVObjKeyMixing.mix(nullableKeyHashCode(castedKeyToShift)) - indexToShift) & capacityMask) >= shiftDistance) {
if (indexToShift > indexToRemove) {
firstDelayedRemoved = i;
tab[indexToRemove] = REMOVED;
break closeDeletion;
}
if (indexToRemove == i) {
i += 2;
}
tab[indexToRemove] = castedKeyToShift;
indexToRemove = indexToShift;
shiftDistance = 2;
} else {
shiftDistance += 2;
}
}
tab[indexToRemove] = FREE;
postRemoveHook();
} else {
tab[i] = REMOVED;
}
changed = true;
}
}
}
if (firstDelayedRemoved >= 0) {
closeDelayedRemoved(firstDelayedRemoved);
}
if (mc != modCount())
throw new java.util.ConcurrentModificationException();
return changed;
}
void closeDelayedRemoved(int firstDelayedRemoved
) {
Object[] tab = table;
int capacityMask = tab.length - 2;
for (int i = firstDelayedRemoved; i >= 0; i -= 2) {
if (tab[i] == REMOVED) {
int indexToRemove = i;
int indexToShift = indexToRemove;
int shiftDistance = 2;
while (true) {
indexToShift = (indexToShift - 2) & capacityMask;
Object keyToShift;
if ((keyToShift = tab[indexToShift]) == FREE) {
break;
}
E castedKeyToShift = (E) keyToShift;
if ((keyToShift != REMOVED) && (((ParallelKVObjKeyMixing.mix(nullableKeyHashCode(castedKeyToShift)) - indexToShift) & capacityMask) >= shiftDistance)) {
tab[indexToRemove] = castedKeyToShift;
indexToRemove = indexToShift;
shiftDistance = 2;
} else {
shiftDistance += 2;
}
}
tab[indexToRemove] = FREE;
postRemoveHook();
}
}
}
class NoRemovedIterator implements ObjIterator {
Object[] tab;
final int capacityMask;
int expectedModCount;
int index = -1;
int nextIndex;
E next;
NoRemovedIterator(int mc) {
expectedModCount = mc;
Object[] tab = this.tab = table;
capacityMask = tab.length - 2;
int nextI = tab.length;
while ((nextI -= 2) >= 0) {
Object key;
if ((key = tab[nextI]) != FREE) {
// noinspection unchecked
next = (E) key;
break;
}
}
nextIndex = nextI;
}
@Override
public void forEachRemaining(Consumer action) {
if (action == null)
throw new java.lang.NullPointerException();
int mc = expectedModCount;
Object[] tab = this.tab;
int nextI = nextIndex;
for (int i = nextI; i >= 0; i -= 2) {
Object key;
if ((key = tab[i]) != FREE) {
// noinspection unchecked
action.accept((E) key);
}
}
if (nextI != nextIndex || mc != modCount()) {
throw new java.util.ConcurrentModificationException();
}
index = nextIndex = -1;
}
@Override
public boolean hasNext() {
return nextIndex >= 0;
}
@Override
public E next() {
if (expectedModCount == modCount()) {
int nextI;
if ((nextI = nextIndex) >= 0) {
index = nextI;
Object[] tab = this.tab;
E prev = next;
while ((nextI -= 2) >= 0) {
Object key;
if ((key = tab[nextI]) != FREE) {
// noinspection unchecked
next = (E) key;
break;
}
}
nextIndex = nextI;
return prev;
} else {
throw new java.util.NoSuchElementException();
}
} else {
throw new java.util.ConcurrentModificationException();
}
}
@Override
public void remove() {
int index;
if ((index = this.index) >= 0) {
if (expectedModCount++ == modCount()) {
this.index = -1;
Object[] tab = this.tab;
if (tab == table) {
int capacityMask = this.capacityMask;
incrementModCount();
int indexToRemove = index;
int indexToShift = indexToRemove;
int shiftDistance = 2;
while (true) {
indexToShift = (indexToShift - 2) & capacityMask;
Object keyToShift;
if ((keyToShift = tab[indexToShift]) == FREE) {
break;
}
E castedKeyToShift = (E) keyToShift;
if (((ParallelKVObjKeyMixing.mix(nullableKeyHashCode(castedKeyToShift)) - indexToShift) & capacityMask) >= shiftDistance) {
if (this.tab == tab) {
if (indexToShift > indexToRemove) {
int slotsToCopy;
if ((slotsToCopy = nextIndex + 2) > 0) {
this.tab = Arrays.copyOf(tab, slotsToCopy);
if (indexToRemove < slotsToCopy) {
this.tab[indexToRemove] = FREE;
}
}
} else if (indexToRemove == index) {
this.nextIndex = index;
if (indexToShift < index - 2) {
this.next = castedKeyToShift;
}
}
}
tab[indexToRemove] = castedKeyToShift;
indexToRemove = indexToShift;
shiftDistance = 2;
} else {
shiftDistance += 2;
}
}
tab[indexToRemove] = FREE;
postRemoveHook();
} else {
justRemove((E) (E) tab[index]);
tab[index] = null;
}
} else {
throw new java.util.ConcurrentModificationException();
}
} else {
throw new java.lang.IllegalStateException();
}
}
}
class NoRemovedCursor implements ObjCursor {
Object[] tab;
final int capacityMask;
int expectedModCount;
int index;
Object curKey;
NoRemovedCursor(int mc) {
expectedModCount = mc;
Object[] tab = this.tab = table;
capacityMask = tab.length - 2;
index = tab.length;
curKey = FREE;
}
@Override
public void forEachForward(Consumer action) {
if (action == null)
throw new java.lang.NullPointerException();
int mc = expectedModCount;
Object[] tab = this.tab;
int index = this.index;
for (int i = index - 2; i >= 0; i -= 2) {
Object key;
if ((key = tab[i]) != FREE) {
// noinspection unchecked
action.accept((E) key);
}
}
if (index != this.index || mc != modCount()) {
throw new java.util.ConcurrentModificationException();
}
this.index = -1;
curKey = FREE;
}
@Override
public E elem() {
Object curKey;
if ((curKey = this.curKey) != FREE) {
// noinspection unchecked
return (E) curKey;
} else {
throw new java.lang.IllegalStateException();
}
}
@Override
public boolean moveNext() {
if (expectedModCount == modCount()) {
Object[] tab = this.tab;
for (int i = index - 2; i >= 0; i -= 2) {
Object key;
if ((key = tab[i]) != FREE) {
index = i;
curKey = key;
return true;
}
}
curKey = FREE;
index = -1;
return false;
} else {
throw new java.util.ConcurrentModificationException();
}
}
@Override
public void remove() {
Object curKey;
if ((curKey = this.curKey) != FREE) {
if (expectedModCount++ == modCount()) {
this.curKey = FREE;
int index = this.index;
Object[] tab = this.tab;
if (tab == table) {
int capacityMask = this.capacityMask;
incrementModCount();
int indexToRemove = index;
int indexToShift = indexToRemove;
int shiftDistance = 2;
while (true) {
indexToShift = (indexToShift - 2) & capacityMask;
Object keyToShift;
if ((keyToShift = tab[indexToShift]) == FREE) {
break;
}
E castedKeyToShift = (E) keyToShift;
if (((ParallelKVObjKeyMixing.mix(nullableKeyHashCode(castedKeyToShift)) - indexToShift) & capacityMask) >= shiftDistance) {
if (this.tab == tab) {
if (indexToShift > indexToRemove) {
int slotsToCopy;
if ((slotsToCopy = index) > 0) {
this.tab = Arrays.copyOf(tab, slotsToCopy);
if (indexToRemove < slotsToCopy) {
this.tab[indexToRemove] = FREE;
}
}
} else if (indexToRemove == index) {
this.index = (index += 2);
}
}
tab[indexToRemove] = castedKeyToShift;
indexToRemove = indexToShift;
shiftDistance = 2;
} else {
shiftDistance += 2;
}
}
tab[indexToRemove] = FREE;
postRemoveHook();
} else {
justRemove((E) curKey);
tab[index] = null;
}
} else {
throw new java.util.ConcurrentModificationException();
}
} else {
throw new java.lang.IllegalStateException();
}
}
}
}