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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 org.eclipse.collections.impl.map.mutable.UnifiedMap;
import org.eclipse.collections.impl.map.mutable.primitive.LongObjectHashMap;
import tools.refinery.viatra.runtime.matchers.util.MarkedMemory.MarkedMultiset;
import tools.refinery.viatra.runtime.matchers.util.MarkedMemory.MarkedSet;
import java.util.Set;
import java.util.stream.Stream;
/**
* Eclipse Collections-based realizations of {@link IMultiLookup}
*
* @author Gabor Bergmann
* @since 2.0
*/
class EclipseCollectionsMultiLookup {
private EclipseCollectionsMultiLookup() {/* Hidden utility class constructor */}
private static class MarkedSetImpl<Value> extends EclipseCollectionsSetMemory<Value> implements MarkedMemory.MarkedSet<Value> {}
private static class MarkedMultisetImpl<Value> extends EclipseCollectionsMultiset<Value> implements MarkedMemory.MarkedMultiset<Value> {}
private static class MarkedLongSetImpl extends EclipseCollectionsLongSetMemory implements MarkedMemory.MarkedSet<Long> {}
private static class MarkedLongMultisetImpl extends EclipseCollectionsLongMultiset implements MarkedMemory.MarkedMultiset<Long> {}
public abstract static class FromObjects<Key, Value, Bucket extends MarkedMemory<Value>>
extends UnifiedMap<Key, Object> implements IMultiLookupAbstract<Key, Value, Bucket> {
@Override
public boolean equals(Object obj) {
return IMultiLookup.equals(this, obj);
}
@Override
public int hashCode() {
return IMultiLookup.hashCode(this);
}
@Override
public Object lowLevelPutIfAbsent(Key key, Value value) {
return super.putIfAbsent(key, value);
}
@Override
public Object lowLevelGet(Key key) {
return super.get(key);
}
@Override
public Object lowLevelGetUnsafe(Object key) {
return super.get(key);
}
@Override
public Object lowLevelRemove(Key key) {
return super.remove(key);
}
@Override
public void lowLevelPut(Key key, Object valueOrBucket) {
super.put(key, valueOrBucket);
}
@Override
public Iterable<Object> lowLevelValues() {
return super.values();
}
@Override
public Set<Key> lowLevelKeySet() {
return super.keySet();
}
@Override
public int lowLevelSize() {
return super.size();
}
@Override
public Stream<Key> distinctKeysStream() {
// may be more efficient than the default spliterator
return super.keySet().stream();
}
public abstract static class ToSets<Key, Value> extends FromObjects<Key, Value, MarkedSet<Value>>
implements IMultiLookupAbstract.ToSetsAbstract<Key, Value>
{
public static class OfObjects<Key, Value> extends ToSets<Key, Value> {
@Override
public MarkedSet<Value> createMarkedSet() {
return new MarkedSetImpl<Value>();
}
}
public static class OfLongs<Key> extends ToSets<Key, Long> {
@Override
public MarkedSet<Long> createMarkedSet() {
return new MarkedLongSetImpl();
}
}
}
public abstract static class ToMultisets<Key, Value> extends FromObjects<Key, Value, MarkedMultiset<Value>>
implements IMultiLookupAbstract.ToMultisetsAbstract<Key, Value>
{
public static class OfObjects<Key, Value> extends ToMultisets<Key, Value> {
@Override
public MarkedMultiset<Value> createMarkedMultiset() {
return new MarkedMultisetImpl<Value>();
}
}
public static class OfLongs<Key> extends ToMultisets<Key, Long> {
@Override
public MarkedMultiset<Long> createMarkedMultiset() {
return new MarkedLongMultisetImpl();
}
}
}
}
public abstract static class FromLongs<Value, Bucket extends MarkedMemory<Value>>
extends LongObjectHashMap<Object> implements IMultiLookupAbstract<Long, Value, Bucket> {
@Override
public boolean equals(Object obj) {
return IMultiLookup.equals(this, obj);
}
@Override
public int hashCode() {
return IMultiLookup.hashCode(this);
}
@Override
public Object lowLevelPutIfAbsent(Long key, Value value) {
Object old = super.get(key);
if (old == null) super.put(key, value);
return old;
}
@Override
public Object lowLevelGet(Long key) {
return super.get(key);
}
@Override
public Object lowLevelGetUnsafe(Object key) {
return key instanceof Long ? super.get((Long)key) : null;
}
@Override
public Object lowLevelRemove(Long key) {
return super.remove(key);
}
@Override
public void lowLevelPut(Long key, Object valueOrBucket) {
super.put(key, valueOrBucket);
}
@Override
public Iterable<Object> lowLevelValues() {
return super.values();
}
@Override
public int lowLevelSize() {
return super.size();
}
@Override
public Iterable<Long> lowLevelKeySet() {
return () -> EclipseCollectionsLongSetMemory.iteratorOf(FromLongs.super.keysView());
}
public abstract static class ToSets<Value> extends FromLongs<Value, MarkedSet<Value>>
implements IMultiLookupAbstract.ToSetsAbstract<Long, Value>
{
public static class OfObjects<Value> extends ToSets<Value> {
@Override
public MarkedSet<Value> createMarkedSet() {
return new MarkedSetImpl<Value>();
}
}
public static class OfLongs extends ToSets<Long> {
@Override
public MarkedSet<Long> createMarkedSet() {
return new MarkedLongSetImpl();
}
}
}
public abstract static class ToMultisets<Value> extends FromLongs<Value, MarkedMultiset<Value>>
implements IMultiLookupAbstract.ToMultisetsAbstract<Long, Value>
{
public static class OfObjects<Value> extends ToMultisets<Value> {
@Override
public MarkedMultiset<Value> createMarkedMultiset() {
return new MarkedMultisetImpl<Value>();
}
}
public static class OfLongs extends ToMultisets<Long> {
@Override
public MarkedMultiset<Long> createMarkedMultiset() {
return new MarkedLongMultisetImpl();
}
}
}
}
}
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