package it.unimi.dsi.fastutil.booleans;
import java.util.Collection;
import it.unimi.dsi.fastutil.objects.ObjectArrays;
public final class BooleanCollections {
private BooleanCollections() {
}
public abstract static class EmptyCollection extends AbstractBooleanCollection {
protected EmptyCollection() {
}
@Override
public boolean contains(boolean k) {
return false;
}
@Override
public Object[] toArray() {
return ObjectArrays.EMPTY_ARRAY;
}
@Override
public BooleanBidirectionalIterator iterator() {
return BooleanIterators.EMPTY_ITERATOR;
}
@Override
public int size() {
return 0;
}
@Override
public void clear() {
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean equals(Object o) {
if (o == this)
return true;
if (!(o instanceof Collection))
return false;
return ((Collection<?>) o).isEmpty();
}
@Override
public boolean addAll(final Collection<? extends Boolean> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(final Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(final Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean addAll(final BooleanCollection c) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(final BooleanCollection c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(final BooleanCollection c) {
throw new UnsupportedOperationException();
}
}
public static class SynchronizedCollection implements BooleanCollection, java.io.Serializable {
private static final long serialVersionUID = -7046029254386353129L;
protected final BooleanCollection collection;
protected final Object sync;
protected SynchronizedCollection(final BooleanCollection c, final Object sync) {
if (c == null)
throw new NullPointerException();
this.collection = c;
this.sync = sync;
}
protected SynchronizedCollection(final BooleanCollection c) {
if (c == null)
throw new NullPointerException();
this.collection = c;
this.sync = this;
}
@Override
public boolean add(final boolean k) {
synchronized (sync) {
return collection.add(k);
}
}
@Override
public boolean contains(final boolean k) {
synchronized (sync) {
return collection.contains(k);
}
}
@Override
public boolean rem(final boolean k) {
synchronized (sync) {
return collection.rem(k);
}
}
@Override
public int size() {
synchronized (sync) {
return collection.size();
}
}
@Override
public boolean isEmpty() {
synchronized (sync) {
return collection.isEmpty();
}
}
@Override
public boolean[] toBooleanArray() {
synchronized (sync) {
return collection.toBooleanArray();
}
}
@Override
public Object[] toArray() {
synchronized (sync) {
return collection.toArray();
}
}
@Deprecated
@Override
public boolean[] toBooleanArray(final boolean[] a) {
return toArray(a);
}
@Override
public boolean[] toArray(final boolean[] a) {
synchronized (sync) {
return collection.toArray(a);
}
}
@Override
public boolean addAll(final BooleanCollection c) {
synchronized (sync) {
return collection.addAll(c);
}
}
@Override
public boolean containsAll(final BooleanCollection c) {
synchronized (sync) {
return collection.containsAll(c);
}
}
@Override
public boolean removeAll(final BooleanCollection c) {
synchronized (sync) {
return collection.removeAll(c);
}
}
@Override
public boolean retainAll(final BooleanCollection c) {
synchronized (sync) {
return collection.retainAll(c);
}
}
@Override
@Deprecated
public boolean add(final Boolean k) {
synchronized (sync) {
return collection.add(k);
}
}
@Override
@Deprecated
public boolean contains(final Object k) {
synchronized (sync) {
return collection.contains(k);
}
}
@Override
@Deprecated
public boolean remove(final Object k) {
synchronized (sync) {
return collection.remove(k);
}
}
@Override
public <T> T[] toArray(final T[] a) {
synchronized (sync) {
return collection.toArray(a);
}
}
@Override
public BooleanIterator iterator() {
return collection.iterator();
}
@Override
public boolean addAll(final Collection<? extends Boolean> c) {
synchronized (sync) {
return collection.addAll(c);
}
}
@Override
public boolean containsAll(final Collection<?> c) {
synchronized (sync) {
return collection.containsAll(c);
}
}
@Override
public boolean removeAll(final Collection<?> c) {
synchronized (sync) {
return collection.removeAll(c);
}
}
@Override
public boolean retainAll(final Collection<?> c) {
synchronized (sync) {
return collection.retainAll(c);
}
}
@Override
public void clear() {
synchronized (sync) {
collection.clear();
}
}
@Override
public String toString() {
synchronized (sync) {
return collection.toString();
}
}
@Override
public int hashCode() {
synchronized (sync) {
return collection.hashCode();
}
}
@Override
public boolean equals(final Object o) {
if (o == this)
return true;
synchronized (sync) {
return collection.equals(o);
}
}
private void writeObject(java.io.ObjectOutputStream s) throws java.io.IOException {
synchronized (sync) {
s.defaultWriteObject();
}
}
}
public static BooleanCollection synchronize(final BooleanCollection c) {
return new SynchronizedCollection(c);
}
public static BooleanCollection synchronize(final BooleanCollection c, final Object sync) {
return new SynchronizedCollection(c, sync);
}
public static class UnmodifiableCollection implements BooleanCollection, java.io.Serializable {
private static final long serialVersionUID = -7046029254386353129L;
protected final BooleanCollection collection;
protected UnmodifiableCollection(final BooleanCollection c) {
if (c == null)
throw new NullPointerException();
this.collection = c;
}
@Override
public boolean add(final boolean k) {
throw new UnsupportedOperationException();
}
@Override
public boolean rem(final boolean k) {
throw new UnsupportedOperationException();
}
@Override
public int size() {
return collection.size();
}
@Override
public boolean isEmpty() {
return collection.isEmpty();
}
@Override
public boolean contains(final boolean o) {
return collection.contains(o);
}
@Override
public BooleanIterator iterator() {
return BooleanIterators.unmodifiable(collection.iterator());
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
@Override
public <T> T[] toArray(final T[] a) {
return collection.toArray(a);
}
@Override
public Object[] toArray() {
return collection.toArray();
}
@Override
public boolean containsAll(Collection<?> c) {
return collection.containsAll(c);
}
@Override
public boolean addAll(Collection<? extends Boolean> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
@Deprecated
public boolean add(final Boolean k) {
throw new UnsupportedOperationException();
}
@Override
@Deprecated
public boolean contains(final Object k) {
return collection.contains(k);
}
@Override
@Deprecated
public boolean remove(final Object k) {
throw new UnsupportedOperationException();
}
@Override
public boolean[] toBooleanArray() {
return collection.toBooleanArray();
}
@Deprecated
@Override
public boolean[] toBooleanArray(final boolean[] a) {
return toArray(a);
}
@Override
public boolean[] toArray(final boolean[] a) {
return collection.toArray(a);
}
@Override
public boolean containsAll(BooleanCollection c) {
return collection.containsAll(c);
}
@Override
public boolean addAll(BooleanCollection c) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(BooleanCollection c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(BooleanCollection c) {
throw new UnsupportedOperationException();
}
@Override
public String toString() {
return collection.toString();
}
@Override
public int hashCode() {
return collection.hashCode();
}
@Override
public boolean equals(final Object o) {
if (o == this)
return true;
return collection.equals(o);
}
}
public static BooleanCollection unmodifiable(final BooleanCollection c) {
return new UnmodifiableCollection(c);
}
public static class IterableCollection extends AbstractBooleanCollection implements java.io.Serializable {
private static final long serialVersionUID = -7046029254386353129L;
protected final BooleanIterable iterable;
protected IterableCollection(final BooleanIterable iterable) {
if (iterable == null)
throw new NullPointerException();
this.iterable = iterable;
}
@Override
public int size() {
int c = 0;
final BooleanIterator iterator = iterator();
while (iterator.hasNext()) {
iterator.nextBoolean();
c++;
}
return c;
}
@Override
public boolean isEmpty() {
return !iterable.iterator().hasNext();
}
@Override
public BooleanIterator iterator() {
return iterable.iterator();
}
}
public static BooleanCollection asCollection(final BooleanIterable iterable) {
if (iterable instanceof BooleanCollection)
return (BooleanCollection) iterable;
return new IterableCollection(iterable);
}
}