package it.unimi.dsi.fastutil.ints;
import it.unimi.dsi.fastutil.objects.ObjectIterator;
import it.unimi.dsi.fastutil.objects.ObjectIterable;
import it.unimi.dsi.fastutil.objects.ObjectSet;
import it.unimi.dsi.fastutil.objects.ObjectSets;
import it.unimi.dsi.fastutil.objects.ObjectCollection;
import it.unimi.dsi.fastutil.objects.ObjectCollections;
import java.util.Map;
import java.util.function.Consumer;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap.FastEntrySet;
public final class Int2ObjectMaps {
private Int2ObjectMaps() {
}
@SuppressWarnings("unchecked")
public static <V> ObjectIterator<Int2ObjectMap.Entry<V>> fastIterator(Int2ObjectMap<V> map) {
final ObjectSet<Int2ObjectMap.Entry<V>> entries = map.int2ObjectEntrySet();
return entries instanceof Int2ObjectMap.FastEntrySet
? ((Int2ObjectMap.FastEntrySet<V>) entries).fastIterator()
: entries.iterator();
}
@SuppressWarnings("unchecked")
public static <V> void fastForEach(Int2ObjectMap<V> map, final Consumer<? super Int2ObjectMap.Entry<V>> consumer) {
final ObjectSet<Int2ObjectMap.Entry<V>> entries = map.int2ObjectEntrySet();
if (entries instanceof Int2ObjectMap.FastEntrySet)
((Int2ObjectMap.FastEntrySet<V>) entries).fastForEach(consumer);
else
entries.forEach(consumer);
}
@SuppressWarnings("unchecked")
public static <V> ObjectIterable<Int2ObjectMap.Entry<V>> fastIterable(Int2ObjectMap<V> map) {
final ObjectSet<Int2ObjectMap.Entry<V>> entries = map.int2ObjectEntrySet();
return entries instanceof Int2ObjectMap.FastEntrySet ? new ObjectIterable<Int2ObjectMap.Entry<V>>() {
public ObjectIterator<Int2ObjectMap.Entry<V>> iterator() {
return ((Int2ObjectMap.FastEntrySet<V>) entries).fastIterator();
}
public void forEach(final Consumer<? super Int2ObjectMap.Entry<V>> consumer) {
((Int2ObjectMap.FastEntrySet<V>) entries).fastForEach(consumer);
}
} : entries;
}
public static class EmptyMap<V> extends Int2ObjectFunctions.EmptyFunction<V>
implements
Int2ObjectMap<V>,
java.io.Serializable,
Cloneable {
private static final long serialVersionUID = -7046029254386353129L;
protected EmptyMap() {
}
@Override
public boolean containsValue(final Object v) {
return false;
}
@Override
public void putAll(final Map<? extends Integer, ? extends V> m) {
throw new UnsupportedOperationException();
}
@SuppressWarnings("unchecked")
@Override
public ObjectSet<Int2ObjectMap.Entry<V>> int2ObjectEntrySet() {
return ObjectSets.EMPTY_SET;
}
@Override
public IntSet keySet() {
return IntSets.EMPTY_SET;
}
@SuppressWarnings("unchecked")
@Override
public ObjectCollection<V> values() {
return ObjectSets.EMPTY_SET;
}
@Override
public Object clone() {
return EMPTY_MAP;
}
@Override
public boolean isEmpty() {
return true;
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean equals(final Object o) {
if (!(o instanceof Map))
return false;
return ((Map<?, ?>) o).isEmpty();
}
@Override
public String toString() {
return "{}";
}
}
@SuppressWarnings("rawtypes")
public static final EmptyMap EMPTY_MAP = new EmptyMap();
@SuppressWarnings("unchecked")
public static <V> Int2ObjectMap<V> emptyMap() {
return EMPTY_MAP;
}
public static class Singleton<V> extends Int2ObjectFunctions.Singleton<V>
implements
Int2ObjectMap<V>,
java.io.Serializable,
Cloneable {
private static final long serialVersionUID = -7046029254386353129L;
protected transient ObjectSet<Int2ObjectMap.Entry<V>> entries;
protected transient IntSet keys;
protected transient ObjectCollection<V> values;
protected Singleton(final int key, final V value) {
super(key, value);
}
@Override
public boolean containsValue(final Object v) {
return java.util.Objects.equals(value, v);
}
@Override
public void putAll(final Map<? extends Integer, ? extends V> m) {
throw new UnsupportedOperationException();
}
@Override
public ObjectSet<Int2ObjectMap.Entry<V>> int2ObjectEntrySet() {
if (entries == null)
entries = ObjectSets.singleton(new AbstractInt2ObjectMap.BasicEntry<>(key, value));
return entries;
}
@Deprecated
@Override
@SuppressWarnings({"rawtypes", "unchecked"})
public ObjectSet<Map.Entry<Integer, V>> entrySet() {
return (ObjectSet) int2ObjectEntrySet();
}
@Override
public IntSet keySet() {
if (keys == null)
keys = IntSets.singleton(key);
return keys;
}
@Override
public ObjectCollection<V> values() {
if (values == null)
values = ObjectSets.singleton(value);
return values;
}
@Override
public boolean isEmpty() {
return false;
}
@Override
public int hashCode() {
return (key) ^ ((value) == null ? 0 : (value).hashCode());
}
@Override
public boolean equals(final Object o) {
if (o == this)
return true;
if (!(o instanceof Map))
return false;
Map<?, ?> m = (Map<?, ?>) o;
if (m.size() != 1)
return false;
return m.entrySet().iterator().next().equals(entrySet().iterator().next());
}
@Override
public String toString() {
return "{" + key + "=>" + value + "}";
}
}
public static <V> Int2ObjectMap<V> singleton(final int key, V value) {
return new Singleton<>(key, value);
}
public static <V> Int2ObjectMap<V> singleton(final Integer key, final V value) {
return new Singleton<>((key).intValue(), (value));
}
public static class SynchronizedMap<V> extends Int2ObjectFunctions.SynchronizedFunction<V>
implements
Int2ObjectMap<V>,
java.io.Serializable {
private static final long serialVersionUID = -7046029254386353129L;
protected final Int2ObjectMap<V> map;
protected transient ObjectSet<Int2ObjectMap.Entry<V>> entries;
protected transient IntSet keys;
protected transient ObjectCollection<V> values;
protected SynchronizedMap(final Int2ObjectMap<V> m, final Object sync) {
super(m, sync);
this.map = m;
}
protected SynchronizedMap(final Int2ObjectMap<V> m) {
super(m);
this.map = m;
}
@Override
public boolean containsValue(final Object v) {
synchronized (sync) {
return map.containsValue(v);
}
}
@Override
public void putAll(final Map<? extends Integer, ? extends V> m) {
synchronized (sync) {
map.putAll(m);
}
}
@Override
public ObjectSet<Int2ObjectMap.Entry<V>> int2ObjectEntrySet() {
synchronized (sync) {
if (entries == null)
entries = ObjectSets.synchronize(map.int2ObjectEntrySet(), sync);
return entries;
}
}
@Deprecated
@Override
@SuppressWarnings({"unchecked", "rawtypes"})
public ObjectSet<Map.Entry<Integer, V>> entrySet() {
return (ObjectSet) int2ObjectEntrySet();
}
@Override
public IntSet keySet() {
synchronized (sync) {
if (keys == null)
keys = IntSets.synchronize(map.keySet(), sync);
return keys;
}
}
@Override
public ObjectCollection<V> values() {
synchronized (sync) {
if (values == null)
return ObjectCollections.synchronize(map.values(), sync);
return values;
}
}
@Override
public boolean isEmpty() {
synchronized (sync) {
return map.isEmpty();
}
}
@Override
public int hashCode() {
synchronized (sync) {
return map.hashCode();
}
}
@Override
public boolean equals(final Object o) {
if (o == this)
return true;
synchronized (sync) {
return map.equals(o);
}
}
private void writeObject(java.io.ObjectOutputStream s) throws java.io.IOException {
synchronized (sync) {
s.defaultWriteObject();
}
}
@Override
public V getOrDefault(final int key, final V defaultValue) {
synchronized (sync) {
return map.getOrDefault(key, defaultValue);
}
}
@Override
public void forEach(final java.util.function.BiConsumer<? super Integer, ? super V> action) {
synchronized (sync) {
map.forEach(action);
}
}
@Override
public void replaceAll(final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> function) {
synchronized (sync) {
map.replaceAll(function);
}
}
@Override
public V putIfAbsent(final int key, final V value) {
synchronized (sync) {
return map.putIfAbsent(key, value);
}
}
@Override
public boolean remove(final int key, final Object value) {
synchronized (sync) {
return map.remove(key, value);
}
}
@Override
public V replace(final int key, final V value) {
synchronized (sync) {
return map.replace(key, value);
}
}
@Override
public boolean replace(final int key, final V oldValue, final V newValue) {
synchronized (sync) {
return map.replace(key, oldValue, newValue);
}
}
@Override
public V computeIfAbsent(final int key, final java.util.function.IntFunction<? extends V> mappingFunction) {
synchronized (sync) {
return map.computeIfAbsent(key, mappingFunction);
}
}
@Override
public V computeIfAbsentPartial(final int key, final Int2ObjectFunction<? extends V> mappingFunction) {
synchronized (sync) {
return map.computeIfAbsentPartial(key, mappingFunction);
}
}
@Override
public V computeIfPresent(final int key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
synchronized (sync) {
return map.computeIfPresent(key, remappingFunction);
}
}
@Override
public V compute(final int key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
synchronized (sync) {
return map.compute(key, remappingFunction);
}
}
@Override
public V merge(final int key, final V value,
final java.util.function.BiFunction<? super V, ? super V, ? extends V> remappingFunction) {
synchronized (sync) {
return map.merge(key, value, remappingFunction);
}
}
@Deprecated
@Override
public V getOrDefault(final Object key, final V defaultValue) {
synchronized (sync) {
return map.getOrDefault(key, defaultValue);
}
}
@Deprecated
@Override
public boolean remove(final Object key, final Object value) {
synchronized (sync) {
return map.remove(key, value);
}
}
@Deprecated
@Override
public V replace(final Integer key, final V value) {
synchronized (sync) {
return map.replace(key, value);
}
}
@Deprecated
@Override
public boolean replace(final Integer key, final V oldValue, final V newValue) {
synchronized (sync) {
return map.replace(key, oldValue, newValue);
}
}
@Deprecated
@Override
public V putIfAbsent(final Integer key, final V value) {
synchronized (sync) {
return map.putIfAbsent(key, value);
}
}
@Deprecated
@Override
public V computeIfAbsent(final Integer key,
final java.util.function.Function<? super Integer, ? extends V> mappingFunction) {
synchronized (sync) {
return map.computeIfAbsent(key, mappingFunction);
}
}
@Deprecated
@Override
public V computeIfPresent(final Integer key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
synchronized (sync) {
return map.computeIfPresent(key, remappingFunction);
}
}
@Deprecated
@Override
public V compute(final Integer key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
synchronized (sync) {
return map.compute(key, remappingFunction);
}
}
@Deprecated
@Override
public V merge(final Integer key, final V value,
final java.util.function.BiFunction<? super V, ? super V, ? extends V> remappingFunction) {
synchronized (sync) {
return map.merge(key, value, remappingFunction);
}
}
}
public static <V> Int2ObjectMap<V> synchronize(final Int2ObjectMap<V> m) {
return new SynchronizedMap<>(m);
}
public static <V> Int2ObjectMap<V> synchronize(final Int2ObjectMap<V> m, final Object sync) {
return new SynchronizedMap<>(m, sync);
}
public static class UnmodifiableMap<V> extends Int2ObjectFunctions.UnmodifiableFunction<V>
implements
Int2ObjectMap<V>,
java.io.Serializable {
private static final long serialVersionUID = -7046029254386353129L;
protected final Int2ObjectMap<V> map;
protected transient ObjectSet<Int2ObjectMap.Entry<V>> entries;
protected transient IntSet keys;
protected transient ObjectCollection<V> values;
protected UnmodifiableMap(final Int2ObjectMap<V> m) {
super(m);
this.map = m;
}
@Override
public boolean containsValue(final Object v) {
return map.containsValue(v);
}
@Override
public void putAll(final Map<? extends Integer, ? extends V> m) {
throw new UnsupportedOperationException();
}
@Override
public ObjectSet<Int2ObjectMap.Entry<V>> int2ObjectEntrySet() {
if (entries == null)
entries = ObjectSets.unmodifiable(map.int2ObjectEntrySet());
return entries;
}
@Deprecated
@Override
@SuppressWarnings({"unchecked", "rawtypes"})
public ObjectSet<Map.Entry<Integer, V>> entrySet() {
return (ObjectSet) int2ObjectEntrySet();
}
@Override
public IntSet keySet() {
if (keys == null)
keys = IntSets.unmodifiable(map.keySet());
return keys;
}
@Override
public ObjectCollection<V> values() {
if (values == null)
return ObjectCollections.unmodifiable(map.values());
return values;
}
@Override
public boolean isEmpty() {
return map.isEmpty();
}
@Override
public int hashCode() {
return map.hashCode();
}
@Override
public boolean equals(final Object o) {
if (o == this)
return true;
return map.equals(o);
}
@Override
public V getOrDefault(final int key, final V defaultValue) {
return map.getOrDefault(key, defaultValue);
}
@Override
public void forEach(final java.util.function.BiConsumer<? super Integer, ? super V> action) {
map.forEach(action);
}
@Override
public void replaceAll(final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> function) {
throw new UnsupportedOperationException();
}
@Override
public V putIfAbsent(final int key, final V value) {
throw new UnsupportedOperationException();
}
@Override
public boolean remove(final int key, final Object value) {
throw new UnsupportedOperationException();
}
@Override
public V replace(final int key, final V value) {
throw new UnsupportedOperationException();
}
@Override
public boolean replace(final int key, final V oldValue, final V newValue) {
throw new UnsupportedOperationException();
}
@Override
public V computeIfAbsent(final int key, final java.util.function.IntFunction<? extends V> mappingFunction) {
throw new UnsupportedOperationException();
}
@Override
public V computeIfAbsentPartial(final int key, final Int2ObjectFunction<? extends V> mappingFunction) {
throw new UnsupportedOperationException();
}
@Override
public V computeIfPresent(final int key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
throw new UnsupportedOperationException();
}
@Override
public V compute(final int key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
throw new UnsupportedOperationException();
}
@Override
public V merge(final int key, final V value,
final java.util.function.BiFunction<? super V, ? super V, ? extends V> remappingFunction) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public V getOrDefault(final Object key, final V defaultValue) {
return map.getOrDefault(key, defaultValue);
}
@Deprecated
@Override
public boolean remove(final Object key, final Object value) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public V replace(final Integer key, final V value) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public boolean replace(final Integer key, final V oldValue, final V newValue) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public V putIfAbsent(final Integer key, final V value) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public V computeIfAbsent(final Integer key,
final java.util.function.Function<? super Integer, ? extends V> mappingFunction) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public V computeIfPresent(final Integer key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public V compute(final Integer key,
final java.util.function.BiFunction<? super Integer, ? super V, ? extends V> remappingFunction) {
throw new UnsupportedOperationException();
}
@Deprecated
@Override
public V merge(final Integer key, final V value,
final java.util.function.BiFunction<? super V, ? super V, ? extends V> remappingFunction) {
throw new UnsupportedOperationException();
}
}
public static <V> Int2ObjectMap<V> unmodifiable(final Int2ObjectMap<V> m) {
return new UnmodifiableMap<>(m);
}
}