| /* |
| * Copyright (C) 2009 The Guava 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.google.common.collect; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.annotations.GwtIncompatible; |
| import com.google.common.base.MoreObjects; |
| import com.google.common.base.Preconditions; |
| import com.google.errorprone.annotations.CanIgnoreReturnValue; |
| import com.google.errorprone.annotations.concurrent.LazyInit; |
| import com.google.j2objc.annotations.RetainedWith; |
| import com.google.j2objc.annotations.Weak; |
| import java.io.IOException; |
| import java.io.InvalidObjectException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Comparator; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.function.Function; |
| import java.util.stream.Collector; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| import org.checkerframework.checker.nullness.qual.MonotonicNonNull; |
| import org.checkerframework.checker.nullness.qual.Nullable; |
| |
| /** |
| * A {@link SetMultimap} whose contents will never change, with many other important properties |
| * detailed at {@link ImmutableCollection}. |
| * |
| * <p>See the Guava User Guide article on <a href= |
| * "https://github.com/google/guava/wiki/ImmutableCollectionsExplained"> immutable collections</a>. |
| * |
| * @author Mike Ward |
| * @since 2.0 |
| */ |
| @GwtCompatible(serializable = true, emulated = true) |
| public class ImmutableSetMultimap<K, V> extends ImmutableMultimap<K, V> |
| implements SetMultimap<K, V> { |
| /** |
| * Returns a {@link Collector} that accumulates elements into an {@code ImmutableSetMultimap} |
| * whose keys and values are the result of applying the provided mapping functions to the input |
| * elements. |
| * |
| * <p>For streams with {@linkplain java.util.stream#Ordering defined encounter order}, that order |
| * is preserved, but entries are <a href="ImmutableMultimap.html#iteration">grouped by key</a>. |
| * |
| * <p>Example: |
| * |
| * <pre>{@code |
| * static final Multimap<Character, String> FIRST_LETTER_MULTIMAP = |
| * Stream.of("banana", "apple", "carrot", "asparagus", "cherry") |
| * .collect(toImmutableSetMultimap(str -> str.charAt(0), str -> str.substring(1))); |
| * |
| * // is equivalent to |
| * |
| * static final Multimap<Character, String> FIRST_LETTER_MULTIMAP = |
| * new ImmutableSetMultimap.Builder<Character, String>() |
| * .put('b', "anana") |
| * .putAll('a', "pple", "sparagus") |
| * .putAll('c', "arrot", "herry") |
| * .build(); |
| * }</pre> |
| * |
| * @since 21.0 |
| */ |
| public static <T, K, V> Collector<T, ?, ImmutableSetMultimap<K, V>> toImmutableSetMultimap( |
| Function<? super T, ? extends K> keyFunction, |
| Function<? super T, ? extends V> valueFunction) { |
| checkNotNull(keyFunction, "keyFunction"); |
| checkNotNull(valueFunction, "valueFunction"); |
| return Collector.of( |
| ImmutableSetMultimap::<K, V>builder, |
| (builder, t) -> builder.put(keyFunction.apply(t), valueFunction.apply(t)), |
| ImmutableSetMultimap.Builder::combine, |
| ImmutableSetMultimap.Builder::build); |
| } |
| |
| /** |
| * Returns a {@code Collector} accumulating entries into an {@code ImmutableSetMultimap}. Each |
| * input element is mapped to a key and a stream of values, each of which are put into the |
| * resulting {@code Multimap}, in the encounter order of the stream and the encounter order of the |
| * streams of values. |
| * |
| * <p>Example: |
| * |
| * <pre>{@code |
| * static final ImmutableSetMultimap<Character, Character> FIRST_LETTER_MULTIMAP = |
| * Stream.of("banana", "apple", "carrot", "asparagus", "cherry") |
| * .collect( |
| * flatteningToImmutableSetMultimap( |
| * str -> str.charAt(0), |
| * str -> str.substring(1).chars().mapToObj(c -> (char) c)); |
| * |
| * // is equivalent to |
| * |
| * static final ImmutableSetMultimap<Character, Character> FIRST_LETTER_MULTIMAP = |
| * ImmutableSetMultimap.<Character, Character>builder() |
| * .putAll('b', Arrays.asList('a', 'n', 'a', 'n', 'a')) |
| * .putAll('a', Arrays.asList('p', 'p', 'l', 'e')) |
| * .putAll('c', Arrays.asList('a', 'r', 'r', 'o', 't')) |
| * .putAll('a', Arrays.asList('s', 'p', 'a', 'r', 'a', 'g', 'u', 's')) |
| * .putAll('c', Arrays.asList('h', 'e', 'r', 'r', 'y')) |
| * .build(); |
| * |
| * // after deduplication, the resulting multimap is equivalent to |
| * |
| * static final ImmutableSetMultimap<Character, Character> FIRST_LETTER_MULTIMAP = |
| * ImmutableSetMultimap.<Character, Character>builder() |
| * .putAll('b', Arrays.asList('a', 'n')) |
| * .putAll('a', Arrays.asList('p', 'l', 'e', 's', 'a', 'r', 'g', 'u')) |
| * .putAll('c', Arrays.asList('a', 'r', 'o', 't', 'h', 'e', 'y')) |
| * .build(); |
| * } |
| * }</pre> |
| * |
| * @since 21.0 |
| */ |
| public static <T, K, V> |
| Collector<T, ?, ImmutableSetMultimap<K, V>> flatteningToImmutableSetMultimap( |
| Function<? super T, ? extends K> keyFunction, |
| Function<? super T, ? extends Stream<? extends V>> valuesFunction) { |
| checkNotNull(keyFunction); |
| checkNotNull(valuesFunction); |
| return Collectors.collectingAndThen( |
| Multimaps.flatteningToMultimap( |
| input -> checkNotNull(keyFunction.apply(input)), |
| input -> valuesFunction.apply(input).peek(Preconditions::checkNotNull), |
| MultimapBuilder.linkedHashKeys().linkedHashSetValues()::<K, V>build), |
| ImmutableSetMultimap::copyOf); |
| } |
| |
| /** Returns the empty multimap. */ |
| // Casting is safe because the multimap will never hold any elements. |
| @SuppressWarnings("unchecked") |
| public static <K, V> ImmutableSetMultimap<K, V> of() { |
| return (ImmutableSetMultimap<K, V>) EmptyImmutableSetMultimap.INSTANCE; |
| } |
| |
| /** Returns an immutable multimap containing a single entry. */ |
| public static <K, V> ImmutableSetMultimap<K, V> of(K k1, V v1) { |
| ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder(); |
| builder.put(k1, v1); |
| return builder.build(); |
| } |
| |
| /** |
| * Returns an immutable multimap containing the given entries, in order. Repeated occurrences of |
| * an entry (according to {@link Object#equals}) after the first are ignored. |
| */ |
| public static <K, V> ImmutableSetMultimap<K, V> of(K k1, V v1, K k2, V v2) { |
| ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder(); |
| builder.put(k1, v1); |
| builder.put(k2, v2); |
| return builder.build(); |
| } |
| |
| /** |
| * Returns an immutable multimap containing the given entries, in order. Repeated occurrences of |
| * an entry (according to {@link Object#equals}) after the first are ignored. |
| */ |
| public static <K, V> ImmutableSetMultimap<K, V> of(K k1, V v1, K k2, V v2, K k3, V v3) { |
| ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder(); |
| builder.put(k1, v1); |
| builder.put(k2, v2); |
| builder.put(k3, v3); |
| return builder.build(); |
| } |
| |
| /** |
| * Returns an immutable multimap containing the given entries, in order. Repeated occurrences of |
| * an entry (according to {@link Object#equals}) after the first are ignored. |
| */ |
| public static <K, V> ImmutableSetMultimap<K, V> of( |
| K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) { |
| ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder(); |
| builder.put(k1, v1); |
| builder.put(k2, v2); |
| builder.put(k3, v3); |
| builder.put(k4, v4); |
| return builder.build(); |
| } |
| |
| /** |
| * Returns an immutable multimap containing the given entries, in order. Repeated occurrences of |
| * an entry (according to {@link Object#equals}) after the first are ignored. |
| */ |
| public static <K, V> ImmutableSetMultimap<K, V> of( |
| K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5) { |
| ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder(); |
| builder.put(k1, v1); |
| builder.put(k2, v2); |
| builder.put(k3, v3); |
| builder.put(k4, v4); |
| builder.put(k5, v5); |
| return builder.build(); |
| } |
| |
| // looking for of() with > 5 entries? Use the builder instead. |
| |
| /** Returns a new {@link Builder}. */ |
| public static <K, V> Builder<K, V> builder() { |
| return new Builder<>(); |
| } |
| |
| /** |
| * A builder for creating immutable {@code SetMultimap} instances, especially {@code public static |
| * final} multimaps ("constant multimaps"). Example: |
| * |
| * <pre>{@code |
| * static final Multimap<String, Integer> STRING_TO_INTEGER_MULTIMAP = |
| * new ImmutableSetMultimap.Builder<String, Integer>() |
| * .put("one", 1) |
| * .putAll("several", 1, 2, 3) |
| * .putAll("many", 1, 2, 3, 4, 5) |
| * .build(); |
| * }</pre> |
| * |
| * <p>Builder instances can be reused; it is safe to call {@link #build} multiple times to build |
| * multiple multimaps in series. Each multimap contains the key-value mappings in the previously |
| * created multimaps. |
| * |
| * @since 2.0 |
| */ |
| public static final class Builder<K, V> extends ImmutableMultimap.Builder<K, V> { |
| /** |
| * Creates a new builder. The returned builder is equivalent to the builder generated by {@link |
| * ImmutableSetMultimap#builder}. |
| */ |
| public Builder() { |
| super(); |
| } |
| |
| @Override |
| Collection<V> newMutableValueCollection() { |
| return Platform.preservesInsertionOrderOnAddsSet(); |
| } |
| |
| /** Adds a key-value mapping to the built multimap if it is not already present. */ |
| @CanIgnoreReturnValue |
| @Override |
| public Builder<K, V> put(K key, V value) { |
| super.put(key, value); |
| return this; |
| } |
| |
| /** |
| * Adds an entry to the built multimap if it is not already present. |
| * |
| * @since 11.0 |
| */ |
| @CanIgnoreReturnValue |
| @Override |
| public Builder<K, V> put(Entry<? extends K, ? extends V> entry) { |
| super.put(entry); |
| return this; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @since 19.0 |
| */ |
| @CanIgnoreReturnValue |
| @Beta |
| @Override |
| public Builder<K, V> putAll(Iterable<? extends Entry<? extends K, ? extends V>> entries) { |
| super.putAll(entries); |
| return this; |
| } |
| |
| @CanIgnoreReturnValue |
| @Override |
| public Builder<K, V> putAll(K key, Iterable<? extends V> values) { |
| super.putAll(key, values); |
| return this; |
| } |
| |
| @CanIgnoreReturnValue |
| @Override |
| public Builder<K, V> putAll(K key, V... values) { |
| return putAll(key, Arrays.asList(values)); |
| } |
| |
| @CanIgnoreReturnValue |
| @Override |
| public Builder<K, V> putAll(Multimap<? extends K, ? extends V> multimap) { |
| for (Entry<? extends K, ? extends Collection<? extends V>> entry : |
| multimap.asMap().entrySet()) { |
| putAll(entry.getKey(), entry.getValue()); |
| } |
| return this; |
| } |
| |
| @CanIgnoreReturnValue |
| @Override |
| Builder<K, V> combine(ImmutableMultimap.Builder<K, V> other) { |
| super.combine(other); |
| return this; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @since 8.0 |
| */ |
| @CanIgnoreReturnValue |
| @Override |
| public Builder<K, V> orderKeysBy(Comparator<? super K> keyComparator) { |
| super.orderKeysBy(keyComparator); |
| return this; |
| } |
| |
| /** |
| * Specifies the ordering of the generated multimap's values for each key. |
| * |
| * <p>If this method is called, the sets returned by the {@code get()} method of the generated |
| * multimap and its {@link Multimap#asMap()} view are {@link ImmutableSortedSet} instances. |
| * However, serialization does not preserve that property, though it does maintain the key and |
| * value ordering. |
| * |
| * @since 8.0 |
| */ |
| // TODO: Make serialization behavior consistent. |
| @CanIgnoreReturnValue |
| @Override |
| public Builder<K, V> orderValuesBy(Comparator<? super V> valueComparator) { |
| super.orderValuesBy(valueComparator); |
| return this; |
| } |
| |
| /** Returns a newly-created immutable set multimap. */ |
| @Override |
| public ImmutableSetMultimap<K, V> build() { |
| Collection<Map.Entry<K, Collection<V>>> mapEntries = builderMap.entrySet(); |
| if (keyComparator != null) { |
| mapEntries = Ordering.from(keyComparator).<K>onKeys().immutableSortedCopy(mapEntries); |
| } |
| return fromMapEntries(mapEntries, valueComparator); |
| } |
| } |
| |
| /** |
| * Returns an immutable set multimap containing the same mappings as {@code multimap}. The |
| * generated multimap's key and value orderings correspond to the iteration ordering of the {@code |
| * multimap.asMap()} view. Repeated occurrences of an entry in the multimap after the first are |
| * ignored. |
| * |
| * <p>Despite the method name, this method attempts to avoid actually copying the data when it is |
| * safe to do so. The exact circumstances under which a copy will or will not be performed are |
| * undocumented and subject to change. |
| * |
| * @throws NullPointerException if any key or value in {@code multimap} is null |
| */ |
| public static <K, V> ImmutableSetMultimap<K, V> copyOf( |
| Multimap<? extends K, ? extends V> multimap) { |
| return copyOf(multimap, null); |
| } |
| |
| private static <K, V> ImmutableSetMultimap<K, V> copyOf( |
| Multimap<? extends K, ? extends V> multimap, Comparator<? super V> valueComparator) { |
| checkNotNull(multimap); // eager for GWT |
| if (multimap.isEmpty() && valueComparator == null) { |
| return of(); |
| } |
| |
| if (multimap instanceof ImmutableSetMultimap) { |
| @SuppressWarnings("unchecked") // safe since multimap is not writable |
| ImmutableSetMultimap<K, V> kvMultimap = (ImmutableSetMultimap<K, V>) multimap; |
| if (!kvMultimap.isPartialView()) { |
| return kvMultimap; |
| } |
| } |
| |
| return fromMapEntries(multimap.asMap().entrySet(), valueComparator); |
| } |
| |
| /** |
| * Returns an immutable multimap containing the specified entries. The returned multimap iterates |
| * over keys in the order they were first encountered in the input, and the values for each key |
| * are iterated in the order they were encountered. If two values for the same key are {@linkplain |
| * Object#equals equal}, the first value encountered is used. |
| * |
| * @throws NullPointerException if any key, value, or entry is null |
| * @since 19.0 |
| */ |
| @Beta |
| public static <K, V> ImmutableSetMultimap<K, V> copyOf( |
| Iterable<? extends Entry<? extends K, ? extends V>> entries) { |
| return new Builder<K, V>().putAll(entries).build(); |
| } |
| |
| /** Creates an ImmutableSetMultimap from an asMap.entrySet. */ |
| static <K, V> ImmutableSetMultimap<K, V> fromMapEntries( |
| Collection<? extends Map.Entry<? extends K, ? extends Collection<? extends V>>> mapEntries, |
| @Nullable Comparator<? super V> valueComparator) { |
| if (mapEntries.isEmpty()) { |
| return of(); |
| } |
| ImmutableMap.Builder<K, ImmutableSet<V>> builder = |
| new ImmutableMap.Builder<>(mapEntries.size()); |
| int size = 0; |
| |
| for (Entry<? extends K, ? extends Collection<? extends V>> entry : mapEntries) { |
| K key = entry.getKey(); |
| Collection<? extends V> values = entry.getValue(); |
| ImmutableSet<V> set = valueSet(valueComparator, values); |
| if (!set.isEmpty()) { |
| builder.put(key, set); |
| size += set.size(); |
| } |
| } |
| |
| return new ImmutableSetMultimap<>(builder.build(), size, valueComparator); |
| } |
| |
| /** |
| * Returned by get() when a missing key is provided. Also holds the comparator, if any, used for |
| * values. |
| */ |
| private final transient ImmutableSet<V> emptySet; |
| |
| ImmutableSetMultimap( |
| ImmutableMap<K, ImmutableSet<V>> map, |
| int size, |
| @Nullable Comparator<? super V> valueComparator) { |
| super(map, size); |
| this.emptySet = emptySet(valueComparator); |
| } |
| |
| // views |
| |
| /** |
| * Returns an immutable set of the values for the given key. If no mappings in the multimap have |
| * the provided key, an empty immutable set is returned. The values are in the same order as the |
| * parameters used to build this multimap. |
| */ |
| @Override |
| public ImmutableSet<V> get(@Nullable K key) { |
| // This cast is safe as its type is known in constructor. |
| ImmutableSet<V> set = (ImmutableSet<V>) map.get(key); |
| return MoreObjects.firstNonNull(set, emptySet); |
| } |
| |
| @LazyInit @MonotonicNonNull @RetainedWith private transient ImmutableSetMultimap<V, K> inverse; |
| |
| /** |
| * {@inheritDoc} |
| * |
| * <p>Because an inverse of a set multimap cannot contain multiple pairs with the same key and |
| * value, this method returns an {@code ImmutableSetMultimap} rather than the {@code |
| * ImmutableMultimap} specified in the {@code ImmutableMultimap} class. |
| */ |
| @Override |
| public ImmutableSetMultimap<V, K> inverse() { |
| ImmutableSetMultimap<V, K> result = inverse; |
| return (result == null) ? (inverse = invert()) : result; |
| } |
| |
| private ImmutableSetMultimap<V, K> invert() { |
| Builder<V, K> builder = builder(); |
| for (Entry<K, V> entry : entries()) { |
| builder.put(entry.getValue(), entry.getKey()); |
| } |
| ImmutableSetMultimap<V, K> invertedMultimap = builder.build(); |
| invertedMultimap.inverse = this; |
| return invertedMultimap; |
| } |
| |
| /** |
| * Guaranteed to throw an exception and leave the multimap unmodified. |
| * |
| * @throws UnsupportedOperationException always |
| * @deprecated Unsupported operation. |
| */ |
| @CanIgnoreReturnValue |
| @Deprecated |
| @Override |
| public ImmutableSet<V> removeAll(Object key) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Guaranteed to throw an exception and leave the multimap unmodified. |
| * |
| * @throws UnsupportedOperationException always |
| * @deprecated Unsupported operation. |
| */ |
| @CanIgnoreReturnValue |
| @Deprecated |
| @Override |
| public ImmutableSet<V> replaceValues(K key, Iterable<? extends V> values) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| private transient @MonotonicNonNull ImmutableSet<Entry<K, V>> entries; |
| |
| /** |
| * Returns an immutable collection of all key-value pairs in the multimap. Its iterator traverses |
| * the values for the first key, the values for the second key, and so on. |
| */ |
| @Override |
| public ImmutableSet<Entry<K, V>> entries() { |
| ImmutableSet<Entry<K, V>> result = entries; |
| return result == null ? (entries = new EntrySet<>(this)) : result; |
| } |
| |
| private static final class EntrySet<K, V> extends ImmutableSet<Entry<K, V>> { |
| @Weak private final transient ImmutableSetMultimap<K, V> multimap; |
| |
| EntrySet(ImmutableSetMultimap<K, V> multimap) { |
| this.multimap = multimap; |
| } |
| |
| @Override |
| public boolean contains(@Nullable Object object) { |
| if (object instanceof Entry) { |
| Entry<?, ?> entry = (Entry<?, ?>) object; |
| return multimap.containsEntry(entry.getKey(), entry.getValue()); |
| } |
| return false; |
| } |
| |
| @Override |
| public int size() { |
| return multimap.size(); |
| } |
| |
| @Override |
| public UnmodifiableIterator<Entry<K, V>> iterator() { |
| return multimap.entryIterator(); |
| } |
| |
| @Override |
| boolean isPartialView() { |
| return false; |
| } |
| } |
| |
| private static <V> ImmutableSet<V> valueSet( |
| @Nullable Comparator<? super V> valueComparator, Collection<? extends V> values) { |
| return (valueComparator == null) |
| ? ImmutableSet.copyOf(values) |
| : ImmutableSortedSet.copyOf(valueComparator, values); |
| } |
| |
| private static <V> ImmutableSet<V> emptySet(@Nullable Comparator<? super V> valueComparator) { |
| return (valueComparator == null) |
| ? ImmutableSet.<V>of() |
| : ImmutableSortedSet.<V>emptySet(valueComparator); |
| } |
| |
| private static <V> ImmutableSet.Builder<V> valuesBuilder( |
| @Nullable Comparator<? super V> valueComparator) { |
| return (valueComparator == null) |
| ? new ImmutableSet.Builder<V>() |
| : new ImmutableSortedSet.Builder<V>(valueComparator); |
| } |
| |
| /** |
| * @serialData number of distinct keys, and then for each distinct key: the key, the number of |
| * values for that key, and the key's values |
| */ |
| @GwtIncompatible // java.io.ObjectOutputStream |
| private void writeObject(ObjectOutputStream stream) throws IOException { |
| stream.defaultWriteObject(); |
| stream.writeObject(valueComparator()); |
| Serialization.writeMultimap(this, stream); |
| } |
| |
| @Nullable |
| Comparator<? super V> valueComparator() { |
| return emptySet instanceof ImmutableSortedSet |
| ? ((ImmutableSortedSet<V>) emptySet).comparator() |
| : null; |
| } |
| |
| @GwtIncompatible // java serialization |
| private static final class SetFieldSettersHolder { |
| static final Serialization.FieldSetter<ImmutableSetMultimap> EMPTY_SET_FIELD_SETTER = |
| Serialization.getFieldSetter(ImmutableSetMultimap.class, "emptySet"); |
| } |
| |
| @GwtIncompatible // java.io.ObjectInputStream |
| // Serialization type safety is at the caller's mercy. |
| @SuppressWarnings("unchecked") |
| private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { |
| stream.defaultReadObject(); |
| Comparator<Object> valueComparator = (Comparator<Object>) stream.readObject(); |
| int keyCount = stream.readInt(); |
| if (keyCount < 0) { |
| throw new InvalidObjectException("Invalid key count " + keyCount); |
| } |
| ImmutableMap.Builder<Object, ImmutableSet<Object>> builder = ImmutableMap.builder(); |
| int tmpSize = 0; |
| |
| for (int i = 0; i < keyCount; i++) { |
| Object key = stream.readObject(); |
| int valueCount = stream.readInt(); |
| if (valueCount <= 0) { |
| throw new InvalidObjectException("Invalid value count " + valueCount); |
| } |
| |
| ImmutableSet.Builder<Object> valuesBuilder = valuesBuilder(valueComparator); |
| for (int j = 0; j < valueCount; j++) { |
| valuesBuilder.add(stream.readObject()); |
| } |
| ImmutableSet<Object> valueSet = valuesBuilder.build(); |
| if (valueSet.size() != valueCount) { |
| throw new InvalidObjectException("Duplicate key-value pairs exist for key " + key); |
| } |
| builder.put(key, valueSet); |
| tmpSize += valueCount; |
| } |
| |
| ImmutableMap<Object, ImmutableSet<Object>> tmpMap; |
| try { |
| tmpMap = builder.build(); |
| } catch (IllegalArgumentException e) { |
| throw (InvalidObjectException) new InvalidObjectException(e.getMessage()).initCause(e); |
| } |
| |
| FieldSettersHolder.MAP_FIELD_SETTER.set(this, tmpMap); |
| FieldSettersHolder.SIZE_FIELD_SETTER.set(this, tmpSize); |
| SetFieldSettersHolder.EMPTY_SET_FIELD_SETTER.set(this, emptySet(valueComparator)); |
| } |
| |
| @GwtIncompatible // not needed in emulated source. |
| private static final long serialVersionUID = 0; |
| } |