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/*******************************************************************************
* Copyright (c) 2010-2018, Gabor Bergmann, IncQueryLabs Ltd.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package tools.refinery.viatra.runtime.matchers.util;
import java.util.Collection;
import java.util.Iterator;
import java.util.Set;
import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.iterator.LongIterator;
import org.eclipse.collections.api.set.primitive.LongSet;
import org.eclipse.collections.impl.set.mutable.primitive.LongHashSet;
/**
* @author Gabor Bergmann
* @since 2.0
*/
public class EclipseCollectionsLongSetMemory extends LongHashSet implements ISetMemory<Long> {
@Override
public boolean addOne(Long value) {
return super.add(value);
}
@Override
public boolean addSigned(Long value, int count) {
if (count == 1) return addOne(value);
else if (count == -1) return removeOne(value);
else throw new IllegalStateException();
}
@Override
public boolean removeOne(Long value) {
// Kept for binary compatibility
return ISetMemory.super.removeOne(value);
}
/**
* @since 2.3
*/
@Override
public boolean removeOneOrNop(Long value) {
return super.remove(value);
}
@Override
public void clearAllOf(Long value) {
super.remove(value);
}
@Override
public int getCount(Long value) {
return super.contains(value) ? 1 : 0;
}
@Override
public int getCountUnsafe(Object value) {
return value instanceof Long ? getCount((Long) value) : 0;
}
@Override
public boolean containsNonZero(Long value) {
return super.contains(value);
}
@Override
public boolean containsNonZeroUnsafe(Object value) {
return value instanceof Long && containsNonZero((Long) value);
}
@Override
public Iterator<Long> iterator() {
return iteratorOf(this);
}
@Override
public Set<Long> distinctValues() {
return new SetWrapper(this);
}
@Override
public boolean isEmpty() {
return super.isEmpty();
}
/**
* Helper for iterating a LongIterable
*/
public static Iterator<Long> iteratorOf(LongIterable wrapped) {
return new Iterator<Long>() {
LongIterator longIterator = wrapped.longIterator();
@Override
public boolean hasNext() {
return longIterator.hasNext();
}
@Override
public Long next() {
return longIterator.next();
}
};
}
@Override
public int hashCode() {
return IMemoryView.hashCode(this);
}
@Override
public boolean equals(Object obj) {
return IMemoryView.equals(this, obj);
}
/**
* Helper that presents a primitive collection as a Set view
* @author Gabor Bergmann
*/
public static final class SetWrapper implements Set<Long> {
private LongSet wrapped;
/**
* @param wrapped
*/
public SetWrapper(LongSet wrapped) {
this.wrapped = wrapped;
}
@Override
public int size() {
return wrapped.size();
}
@Override
public boolean isEmpty() {
return wrapped.isEmpty();
}
@Override
public boolean contains(Object o) {
return o instanceof Long && wrapped.contains((Long)o);
}
@Override
public Iterator<Long> iterator() {
return iteratorOf(wrapped);
}
@Override
public boolean containsAll(Collection<?> c) {
for (Object object : c) {
if (contains(object))
return true;
}
return false;
}
@Override
public Object[] toArray() {
return toArray(new Long[wrapped.size()]);
}
@Override
@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] a) {
int k = 0;
LongIterator iterator = wrapped.longIterator();
while (iterator.hasNext())
a[k++] = (T) Long.valueOf(iterator.next());
return a;
}
@Override
public boolean add(Long e) {
throw new UnsupportedOperationException();
}
@Override
public boolean remove(Object o) {
throw new UnsupportedOperationException();
}
@Override
public boolean addAll(Collection<? extends Long> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
}
}
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