com.google.common.collect.Multimap.remove()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中com.google.common.collect.Multimap.remove()方法的一些代码示例，展示了Multimap.remove()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Multimap.remove()方法的具体详情如下：
包路径：com.google.common.collect.Multimap
类名称：Multimap
方法名：remove

Multimap.remove介绍

[英]Removes a single key-value pair with the key key and the value value from this multimap, if such exists. If multiple key-value pairs in the multimap fit this description, which one is removed is unspecified.
[中]从该多重映射（如果存在）中移除具有密钥和值的单个密钥-值对。如果多重映射中的多个键值对符合此描述，则未指定删除哪一个。

代码示例

代码示例来源：origin: google/guava

@Override
public boolean remove(Object key, Object value) {
 synchronized (mutex) {
  return delegate().remove(key, value);
 }
}

代码示例来源：origin: google/guava

public void testOrderingUpdates() {
 Multimap<String, Integer> multimap = initializeMultimap5();
 assertThat(multimap.replaceValues("foo", asList(6, 7))).containsExactly(5, 3).inOrder();
 assertThat(multimap.keySet()).containsExactly("foo", "bar", "cow").inOrder();
 assertThat(multimap.removeAll("foo")).containsExactly(6, 7).inOrder();
 assertThat(multimap.keySet()).containsExactly("bar", "cow").inOrder();
 assertTrue(multimap.remove("bar", 4));
 assertThat(multimap.keySet()).containsExactly("bar", "cow").inOrder();
 assertTrue(multimap.remove("bar", 1));
 assertThat(multimap.keySet()).contains("cow");
 multimap.put("bar", 9);
 assertThat(multimap.keySet()).containsExactly("cow", "bar").inOrder();
}

代码示例来源：origin: apache/incubator-druid

@Override
public void removeLock(final String taskid, final TaskLock taskLock)
{
 giant.lock();
 try {
  Preconditions.checkNotNull(taskLock, "taskLock");
  taskLocks.remove(taskid, taskLock);
 }
 finally {
  giant.unlock();
 }
}

代码示例来源：origin: google/guava

@Override
public boolean remove(@Nullable Object o) {
 if (o instanceof Map.Entry) {
  Map.Entry<?, ?> entry = (Map.Entry<?, ?>) o;
  return multimap().remove(entry.getKey(), entry.getValue());
 }
 return false;
}

代码示例来源：origin: google/guava

@MapFeature.Require(SUPPORTS_REMOVE)
 @CollectionSize.Require(absent = ZERO)
 public void testRemovePropagatesToAsMapEntrySet() {
  List<Entry<K, V>> entries = Helpers.copyToList(multimap().entries());
  for (Entry<K, V> entry : entries) {
   resetContainer();

   K key = entry.getKey();
   V value = entry.getValue();

   Iterator<Entry<K, Collection<V>>> asMapItr = multimap().asMap().entrySet().iterator();
   Collection<V> collection = null;
   while (asMapItr.hasNext()) {
    Entry<K, Collection<V>> asMapEntry = asMapItr.next();
    if (key.equals(asMapEntry.getKey())) {
     collection = asMapEntry.getValue();
     break;
    }
   }
   assertNotNull(collection);
   Collection<V> expectedCollection = Helpers.copyToList(collection);

   multimap().remove(key, value);
   expectedCollection.remove(value);

   assertEqualIgnoringOrder(expectedCollection, collection);
   assertEquals(!expectedCollection.isEmpty(), multimap().containsKey(key));
  }
 }
}

代码示例来源：origin: ctripcorp/apollo

private void removeCache(String key, GrayReleaseRuleCache ruleCache) {
 grayReleaseRuleCache.remove(key, ruleCache);
 for (GrayReleaseRuleItemDTO ruleItemDTO : ruleCache.getRuleItems()) {
  for (String clientIp : ruleItemDTO.getClientIpList()) {
   reversedGrayReleaseRuleCache.remove(assembleReversedGrayReleaseRuleKey(ruleItemDTO
     .getClientAppId(), ruleCache.getNamespaceName(), clientIp), ruleCache.getRuleId());
  }
 }
}

代码示例来源：origin: google/guava

@MapFeature.Require(SUPPORTS_REMOVE)
@CollectionSize.Require(absent = ZERO)
public void testRemovePropagatesToAsMap() {
 List<Entry<K, V>> entries = Helpers.copyToList(multimap().entries());
 for (Entry<K, V> entry : entries) {
  resetContainer();
  K key = entry.getKey();
  V value = entry.getValue();
  Collection<V> collection = multimap().asMap().get(key);
  assertNotNull(collection);
  Collection<V> expectedCollection = Helpers.copyToList(collection);
  multimap().remove(key, value);
  expectedCollection.remove(value);
  assertEqualIgnoringOrder(expectedCollection, collection);
  assertEquals(!expectedCollection.isEmpty(), multimap().containsKey(key));
 }
}

代码示例来源：origin: google/guava

@CanIgnoreReturnValue
@Override
public boolean remove(@Nullable Object key, @Nullable Object value) {
 return delegate().remove(key, value);
}

代码示例来源：origin: prestodb/presto

public synchronized void finishSplits(int splits)
{
  List<Map.Entry<PlanNodeId, Split>> toRemove = new ArrayList<>();
  Iterator<Map.Entry<PlanNodeId, Split>> iterator = this.splits.entries().iterator();
  while (toRemove.size() < splits && iterator.hasNext()) {
    toRemove.add(iterator.next());
  }
  for (Map.Entry<PlanNodeId, Split> entry : toRemove) {
    this.splits.remove(entry.getKey(), entry.getValue());
  }
  updateSplitQueueSpace();
}

代码示例来源：origin: google/guava

@MapFeature.Require(SUPPORTS_REMOVE)
@CollectionSize.Require(absent = ZERO)
public void testRemovePropagatesToGet() {
 List<Entry<K, V>> entries = Helpers.copyToList(multimap().entries());
 for (Entry<K, V> entry : entries) {
  resetContainer();
  K key = entry.getKey();
  V value = entry.getValue();
  Collection<V> collection = multimap().get(key);
  assertNotNull(collection);
  Collection<V> expectedCollection = Helpers.copyToList(collection);
  multimap().remove(key, value);
  expectedCollection.remove(value);
  assertEqualIgnoringOrder(expectedCollection, collection);
  assertEquals(!expectedCollection.isEmpty(), multimap().containsKey(key));
 }
}

代码示例来源：origin: google/guava

@MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)
public void testRemoveNullKeyForbidden() {
 try {
  multimap().remove(null, v0());
  fail("Expected NullPointerException");
 } catch (NullPointerException expected) {
  // success
 }
 expectUnchanged();
}

代码示例来源：origin: google/guava

@MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_KEY_QUERIES})
public void testRemoveNullKeyAbsent() {
 assertFalse(multimap().remove(null, v0()));
 expectUnchanged();
}

代码示例来源：origin: google/guava

@MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_VALUE_QUERIES)
public void testRemoveNullValueForbidden() {
 try {
  multimap().remove(k0(), null);
  fail("Expected NullPointerException");
 } catch (NullPointerException expected) {
  // success
 }
 expectUnchanged();
}

代码示例来源：origin: google/guava

@MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_VALUE_QUERIES})
public void testRemoveNullValueAbsent() {
 assertFalse(multimap().remove(k0(), null));
 expectUnchanged();
}

代码示例来源：origin: google/guava

@MapFeature.Require(SUPPORTS_REMOVE)
public void testRemoveAbsent() {
 assertFalse(multimap().remove(k0(), v1()));
 expectUnchanged();
}

代码示例来源：origin: google/j2objc

@CanIgnoreReturnValue
@Override
public boolean remove(@NullableDecl Object key, @NullableDecl Object value) {
 return delegate().remove(key, value);
}

代码示例来源：origin: google/guava

@GwtIncompatible // SeriazableTester
public void testSerializationOrderingKeysAndEntries() {
 Multimap<String, Integer> multimap = LinkedHashMultimap.create();
 multimap.put("a", 1);
 multimap.put("b", 2);
 multimap.put("a", 3);
 multimap.put("c", 4);
 multimap.remove("a", 1);
 multimap = SerializableTester.reserializeAndAssert(multimap);
 assertThat(multimap.keySet()).containsExactly("a", "b", "c").inOrder();
 assertThat(multimap.entries())
   .containsExactly(mapEntry("b", 2), mapEntry("a", 3), mapEntry("c", 4))
   .inOrder();
 // note that the keys and entries are in different orders
}

代码示例来源：origin: google/guava

@CollectionSize.Require(absent = ZERO)
@MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_KEYS})
public void testRemoveNullKeyPresent() {
 initMultimapWithNullKey();
 assertTrue(multimap().remove(null, getValueForNullKey()));
 expectMissing(Helpers.mapEntry((K) null, getValueForNullKey()));
 assertGet(getKeyForNullValue(), ImmutableList.<V>of());
}

代码示例来源：origin: google/guava

@CollectionSize.Require(absent = ZERO)
@MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_VALUES})
public void testRemoveNullValuePresent() {
 initMultimapWithNullValue();
 assertTrue(multimap().remove(getKeyForNullValue(), null));
 expectMissing(Helpers.mapEntry(getKeyForNullValue(), (V) null));
 assertGet(getKeyForNullValue(), ImmutableList.<V>of());
}

代码示例来源：origin: google/guava

@CollectionSize.Require(absent = ZERO)
@MapFeature.Require(SUPPORTS_REMOVE)
public void testRemovePresent() {
 assertTrue(multimap().remove(k0(), v0()));
 assertFalse(multimap().containsEntry(k0(), v0()));
 expectMissing(e0());
 assertEquals(getNumElements() - 1, multimap().size());
 assertGet(k0(), ImmutableList.<V>of());
}

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