Java AbstractMap類代碼示例

import java.util.AbstractMap; //導入依賴的package包/類
private Iterator<Map.Entry<K, V>> iterator(final int pos, final boolean reverse) {
  return new Iterator<Map.Entry<K, V>>() {
    int currentPos = pos;

    @Override
    public boolean hasNext() {
      return reverse ? currentPos >= 0 : currentPos < keys.length;
    }

    @Override
    public Map.Entry<K, V> next() {
      final K key = keys[currentPos];
      final V value = values[currentPos];
      currentPos = reverse ? currentPos - 1 : currentPos + 1;
      return new AbstractMap.SimpleImmutableEntry<>(key, value);
    }

    @Override
    public void remove() {
      throw new UnsupportedOperationException("Can't remove elements from ImmutableSortedMap");
    }
  };
}
 

import java.util.AbstractMap; //導入依賴的package包/類
@Test
public void shouldBuildClient() {
    final String query = "info_hash={infohash}&peer_id={peerid}&supportcrypto=1&port={port}&azudp={port}&uploaded={uploaded}&downloaded={downloaded}&left={left}&corrupt=0&event={event}&numwant={numwant}&no_peer_id=1&compact=1&key={key}&azver=3";
    final List<BitTorrentClientConfig.HttpHeader> requestHeaders = Arrays.asList(
            new HttpHeader("User-Agent", "Azureus 5.7.5.0;{os};1.8.0_66"),
            new HttpHeader("Connection", "close"),
            new HttpHeader("Accept-Encoding", "gzip"),
            new HttpHeader("Accept", "text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2")
    );

    final PeerIdGenerator peerIdGenerator = PeerIdGeneratorTest.createDefault();
    final KeyGenerator keyGenerator = KeyGeneratorTest.createDefault();
    final BitTorrentClientConfig config = new BitTorrentClientConfig(peerIdGenerator, query, keyGenerator, defaultUrlEncoder, requestHeaders, 200, 0);

    final BitTorrentClient client = config.createClient();
    assertThat(client.getHeaders()).isEqualTo(requestHeaders.stream()
            .map(header -> new AbstractMap.SimpleEntry<>(header.getName(), header.getValue()))
            .collect(Collectors.toList())
    );
    assertThat(client.getQuery()).isEqualTo(query);
    //noinspection OptionalGetWithoutIsPresent
    assertThat(client.getKey(null, RequestEvent.STARTED).get()).isEqualTo(keyGenerator.getKey(null, RequestEvent.STARTED));
    assertThat(client.getPeerId(null, RequestEvent.STARTED)).isEqualTo(peerIdGenerator.getPeerId(null, RequestEvent.STARTED));
    assertThat(client.getNumwant(RequestEvent.STARTED)).isEqualTo(200);
}
 

import java.util.AbstractMap; //導入依賴的package包/類
public void forEachRemaining(Consumer<? super Map.Entry<K,V>> action) {
    if (action == null) throw new NullPointerException();
    Comparator<? super K> cmp = comparator;
    K f = fence;
    Node<K,V> e = current;
    current = null;
    for (; e != null; e = e.next) {
        K k; Object v;
        if ((k = e.key) != null && f != null && cpr(cmp, f, k) <= 0)
            break;
        if ((v = e.value) != null && v != e) {
            @SuppressWarnings("unchecked") V vv = (V)v;
            action.accept
                (new AbstractMap.SimpleImmutableEntry<K,V>(k, vv));
        }
    }
}
 

import java.util.AbstractMap; //導入依賴的package包/類
public Set<ModeStructureSnapshot.SlidingModeSnapshot> createSlidingModeSnapshots() {
    Set<ModeStructureSnapshot.SlidingModeSnapshot> result = 
            new HashSet<ModeStructureSnapshot.SlidingModeSnapshot>();
    for (Map.Entry<ModeImpl, String> curEntry: slidingModes2Sides.entrySet()) {
        final ModeImpl key = curEntry.getKey();
        AbstractMap<TopComponent, Integer> lazy = new AbstractMap<TopComponent, Integer>() {
            Map<TopComponent, Integer> delegate;
            @Override
            public Set<Entry<TopComponent, Integer>> entrySet() {
                if (delegate == null) {
                    delegate = getSlideInSizes(key);
                }
                return delegate.entrySet();
            }
        };

         result.add(new ModeStructureSnapshot.SlidingModeSnapshot(
                curEntry.getKey(), curEntry.getValue(), lazy
        ));
    }
    return result;
}
 

import java.util.AbstractMap; //導入依賴的package包/類
private <T> T tryHandleReference0(T o) {
    if (o instanceof RedissonReference) {
        return fromReference(o);
    } else if (o instanceof ScoredEntry && ((ScoredEntry) o).getValue() instanceof RedissonReference) {
        ScoredEntry<?> se = ((ScoredEntry<?>) o);
        return (T) new ScoredEntry(se.getScore(), fromReference(se.getValue()));
    } else if (o instanceof ScanObjectEntry) {
        ScanObjectEntry keyScan = (ScanObjectEntry) o;
        Object obj = tryHandleReference0(keyScan.getObj());
        return obj != keyScan.getObj() ? (T) new ScanObjectEntry(keyScan.getBuf(), obj) : o;
    } else if (o instanceof Map.Entry) {
        Map.Entry old = (Map.Entry) o;
        Object key = tryHandleReference0(old.getKey());
        Object value = tryHandleReference0(old.getValue());
        return value != old.getValue() || key != old.getKey()
                ? (T) new AbstractMap.SimpleEntry(key, value)
                : o;
    } else {
        return o;
    }
}
 

import java.util.AbstractMap; //導入依賴的package包/類
@Override
public Map.Entry<Boolean, String> runTest() {
    Boolean pass = Boolean.FALSE;
    String message = null;
    try {
        ResponderId ridByKeyIdBytes =
                new ResponderId(INV_EXPLICIT_TAG_KEY_ID);
        throw new RuntimeException("Expected IOException not thrown");
    } catch (IOException ioe) {
        // Make sure it's the IOException we're looking for
        if (ioe.getMessage().contains("Invalid ResponderId content")) {
            pass = Boolean.TRUE;
        } else {
            ioe.printStackTrace(System.out);
            message = ioe.getClass().getName();
        }
    } catch (Exception e) {
        e.printStackTrace(System.out);
        message = e.getClass().getName();
    }

    return new AbstractMap.SimpleEntry<>(pass, message);
}
 

import java.util.AbstractMap; //導入依賴的package包/類
@Test
public void testStringCodec() {
    Config config = createConfig();
    config.setCodec(StringCodec.INSTANCE);
    RedissonClient redisson = Redisson.create(config);

    RMap<String, String> rmap = redisson.getMap("TestRMap01");
    rmap.put("A", "1");
    rmap.put("B", "2");

    Iterator<Map.Entry<String, String>> iterator = rmap.entrySet().iterator();
    while (iterator.hasNext()) {
        Map.Entry<String, String> next = iterator.next();
        assertThat(next).isIn(new AbstractMap.SimpleEntry("A", "1"), new AbstractMap.SimpleEntry("B", "2"));
    }

    redisson.shutdown();
}
 

import java.util.AbstractMap; //導入依賴的package包/類
/**
 * Submap version of ConcurrentSkipListMap.getNearEntry
 */
Map.Entry<K,V> getNearEntry(K key, int rel) {
    Comparator<? super K> cmp = m.comparator;
    if (isDescending) { // adjust relation for direction
        if ((rel & LT) == 0)
            rel |= LT;
        else
            rel &= ~LT;
    }
    if (tooLow(key, cmp))
        return ((rel & LT) != 0) ? null : lowestEntry();
    if (tooHigh(key, cmp))
        return ((rel & LT) != 0) ? highestEntry() : null;
    for (;;) {
        Node<K,V> n = m.findNear(key, rel, cmp);
        if (n == null || !inBounds(n.key, cmp))
            return null;
        K k = n.key;
        V v = n.getValidValue();
        if (v != null)
            return new AbstractMap.SimpleImmutableEntry<K,V>(k, v);
    }
}
 

import java.util.AbstractMap; //導入依賴的package包/類
public CharSequence replaceWithLink(CharSequence source, String param, ArrayList<Integer> uids, AbstractMap<Integer, TLRPC.User> usersDict) {
    int start = TextUtils.indexOf(source, param);
    if (start >= 0) {
        SpannableStringBuilder names = new SpannableStringBuilder("");
        for (int a = 0; a < uids.size(); a++) {
            TLRPC.User user = null;
            if (usersDict != null) {
                user = usersDict.get(uids.get(a));
            }
            if (user == null) {
                user = MessagesController.getInstance().getUser(uids.get(a));
            }
            if (user != null) {
                String name = UserObject.getUserName(user);
                start = names.length();
                if (names.length() != 0) {
                    names.append(", ");
                }
                names.append(name);
                names.setSpan(new URLSpanNoUnderlineBold("" + user.id), start, start + name.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
            }
        }
        return TextUtils.replace(source, new String[]{param}, new CharSequence[]{names});
    }
    return source;
}
 

import java.util.AbstractMap; //導入依賴的package包/類
/**
 * Submap version of ConcurrentSkipListMap.getNearEntry.
 */
Map.Entry<K,V> getNearEntry(K key, int rel) {
    Comparator<? super K> cmp = m.comparator;
    if (isDescending) { // adjust relation for direction
        if ((rel & LT) == 0)
            rel |= LT;
        else
            rel &= ~LT;
    }
    if (tooLow(key, cmp))
        return ((rel & LT) != 0) ? null : lowestEntry();
    if (tooHigh(key, cmp))
        return ((rel & LT) != 0) ? highestEntry() : null;
    for (;;) {
        Node<K,V> n = m.findNear(key, rel, cmp);
        if (n == null || !inBounds(n.key, cmp))
            return null;
        K k = n.key;
        V v = n.getValidValue();
        if (v != null)
            return new AbstractMap.SimpleImmutableEntry<K,V>(k, v);
    }
}
 

import java.util.AbstractMap; //導入依賴的package包/類
public void testMissingSetting() throws InterruptedException {
    String collector = randomAsciiOfLength(5);
    Set<AbstractMap.SimpleEntry<String, String>> entries = new HashSet<>();
    entries.add(new AbstractMap.SimpleEntry<>("monitor.jvm.gc.collector." + collector + ".warn", randomPositiveTimeValue()));
    entries.add(new AbstractMap.SimpleEntry<>("monitor.jvm.gc.collector." + collector + ".info", randomPositiveTimeValue()));
    entries.add(new AbstractMap.SimpleEntry<>("monitor.jvm.gc.collector." + collector + ".debug", randomPositiveTimeValue()));
    Settings.Builder builder = Settings.builder();

    // drop a random setting or two
    for (@SuppressWarnings("unchecked") AbstractMap.SimpleEntry<String, String> entry : randomSubsetOf(randomIntBetween(1, 2), entries.toArray(new AbstractMap.SimpleEntry[0]))) {
        builder.put(entry.getKey(), entry.getValue());
    }

    // we should get an exception that a setting is missing
    execute(builder.build(), (command, interval, name) -> null, e -> {
        assertThat(e, instanceOf(IllegalArgumentException.class));
        assertThat(e.getMessage(), containsString("missing gc_threshold for [monitor.jvm.gc.collector." + collector + "."));
    }, true, null);
}
 

import java.util.AbstractMap; //導入依賴的package包/類
public static List<Map.Entry<Integer, String>> getProfessionIdsAndNamesSortedById()
{
	List<Map.Entry<Integer, String>> professions = new ArrayList<Map.Entry<Integer, String>>();

	for (VillagerRegistry.VillagerProfession profession : ForgeRegistries.VILLAGER_PROFESSIONS.getValues())
	{
		@SuppressWarnings("deprecation")
		int id = VillagerRegistry.getId(profession);
		String name = profession.getRegistryName().toString();
		professions.add(new AbstractMap.SimpleEntry<Integer, String>(id, name));
	}

	Collections.sort(professions, new Comparator<Map.Entry<Integer, String>>()
	{
		@Override
		public int compare(Map.Entry<Integer, String> o1, Map.Entry<Integer, String> o2)
		{
			return o1.getKey() - o2.getKey();
		}
	});

	return professions;

}
 

import java.util.AbstractMap; //導入依賴的package包/類
public static final <T> List<Map.Entry<Field, SQLField>> getFields(Class<? extends T> clazz, FieldType fieldType) {
    if (clazz == null || !clazz.isAnnotationPresent(SQLTable.class) || fieldType == null) {
        return new ArrayList<>();
    }
    return Arrays.asList(clazz.getFields()).stream().filter((field) -> field.isAnnotationPresent(SQLField.class)).map((field) -> new AbstractMap.SimpleEntry<>(field, field.getAnnotation(SQLField.class))).filter((field) -> {
        switch (fieldType) {
            case NONE:
                return false;
            case SEND:
                return field.getValue().send();
            case RECEIVE:
                return field.getValue().receive();
            case REMOVE:
                return field.getValue().primaryKey();
            case ALL:
                return true;
            default:
                return false;
        }
    }).sorted((field_1, field_2) -> field_1.getValue().index() - field_2.getValue().index()).collect(Collectors.toList());
}
 

import java.util.AbstractMap; //導入依賴的package包/類
/**
  * Issue a DPN Availability Notification
  * @param dpnAvailability - DPN
  */
 static public void issueDpnAvailabilityNotification(DpnAvailability dpnAvailability){
 	for(ClientIdentifier clientId : FpcServiceImpl.clientIdList){
 		Long notificationId = NotificationInfo.next();
         Notify notif = new NotifyBuilder()
                 .setNotificationId(new NotificationId(notificationId))
                 .setTimestamp(BigInteger.valueOf(System.currentTimeMillis()))
                 .setValue(dpnAvailability)
                 .build();
         String streamString = fpcCodecUtils.notificationToJsonString(Notify.class,
        (DataObject) notif,
        true);
         streamString = streamString.replace("\n", "");
         streamString = "event:application/json;/notification\ndata:"+streamString+"\n";

         try {
	NotificationService.blockingQueue.put(new AbstractMap.SimpleEntry<String,String>(clientId.getInt64().toString(),streamString));
} catch (InterruptedException e) {
	ErrorLog.logError(e.getLocalizedMessage(),e.getStackTrace());
}
 	}
 }
 

import java.util.AbstractMap; //導入依賴的package包/類
private static Test testsForHashMapNullValuesForbidden() {
  return wrappedHashMapTests(new WrappedHashMapGenerator() {
    @Override Map<String, String> wrap(final HashMap<String, String> map) {
      if (map.containsValue(null)) {
        throw new NullPointerException();
      }
      return new AbstractMap<String, String>() {
        @Override public Set<Map.Entry<String, String>> entrySet() {
          return map.entrySet();
        }
        @Override public String put(String key, String value) {
          checkNotNull(value);
          return map.put(key, value);
        }
      };
    }
  }, "HashMap w/out null values", ALLOWS_NULL_KEYS);
}