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); }
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); }
/** * 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() {
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); }
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); }
ImmutableSetMultimap<K, V> kvMultimap = (ImmutableSetMultimap<K, V>) multimap; if (!kvMultimap.isPartialView()) { return kvMultimap;
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; } } ImmutableMap.Builder<K, ImmutableSet<V>> builder = new ImmutableMap.Builder<K, ImmutableSet<V>>(multimap.asMap().size()); int size = 0; for (Entry<? extends K, ? extends Collection<? extends V>> entry : multimap.asMap().entrySet()) { 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<K, V>(builder.build(), size, valueComparator); }
ImmutableSetMultimap<K, V> kvMultimap = (ImmutableSetMultimap<K, V>) multimap; if (!kvMultimap.isPartialView()) { return kvMultimap;
ImmutableSetMultimap<K, V> kvMultimap = (ImmutableSetMultimap<K, V>) multimap; if (!kvMultimap.isPartialView()) { return kvMultimap;
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; } } ImmutableMap.Builder<K, ImmutableSet<V>> builder = ImmutableMap.builder(); int size = 0; for (Entry<? extends K, ? extends Collection<? extends V>> entry : multimap.asMap().entrySet()) { 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<K, V>( builder.build(), size, valueComparator); }
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; } } ImmutableMap.Builder<K, ImmutableSet<V>> builder = ImmutableMap.builder(); int size = 0; for (Entry<? extends K, ? extends Collection<? extends V>> entry : multimap.asMap().entrySet()) { 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<K, V>( builder.build(), size, valueComparator); }
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; } } ImmutableMap.Builder<K, ImmutableSet<V>> builder = ImmutableMap.builder(); int size = 0; for (Entry<? extends K, ? extends Collection<? extends V>> entry : multimap.asMap().entrySet()) { 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<K, V>( builder.build(), size, valueComparator); }
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; } } ImmutableMap.Builder<K, ImmutableSet<V>> builder = ImmutableMap.builder(); int size = 0; for (Entry<? extends K, ? extends Collection<? extends V>> entry : multimap.asMap().entrySet()) { 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<K, V>( builder.build(), size, valueComparator); }
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; } } ImmutableMap.Builder<K, ImmutableSet<V>> builder = ImmutableMap.builder(); int size = 0; for (Entry<? extends K, ? extends Collection<? extends V>> entry : multimap.asMap().entrySet()) { 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<K, V>( builder.build(), size, valueComparator); }
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; } } ImmutableMap.Builder<K, ImmutableSet<V>> builder = ImmutableMap.builder(); int size = 0; for (Entry<? extends K, ? extends Collection<? extends V>> entry : multimap.asMap().entrySet()) { 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<K, V>( builder.build(), size, valueComparator); }