本文整理了Java中com.google.common.collect.Multimap.containsKey()方法的一些代码示例，展示了Multimap.containsKey()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.containsKey()方法的具体详情如下：
包路径：com.google.common.collect.Multimap
类名称：Multimap
方法名：containsKey

Multimap.containsKey介绍

[英]Returns true if this multimap contains at least one key-value pair with the key key.
[中]如果此多重映射至少包含一个带有密钥的键值对，则返回true。

代码示例

代码示例来源：origin: google/guava

@Override
public boolean containsKey(Object key) {
 return fromMultimap.containsKey(key);
}

代码示例来源：origin: google/guava

@Override
public boolean containsKey(Object key) {
 return multimap.containsKey(key);
}

代码示例来源：origin: google/guava

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

代码示例来源：origin: google/guava

@Override
public boolean containsKey(@Nullable Object key) {
 if (unfiltered.containsKey(key)) {
  @SuppressWarnings("unchecked") // k is equal to a K, if not one itself
  K k = (K) key;
  return keyPredicate.apply(k);
 }
 return false;
}

代码示例来源：origin: google/guava

@Override
public boolean contains(@Nullable Object element) {
 return multimap.containsKey(element);
}

代码示例来源：origin: google/guava

@Override
public boolean containsKey(@Nullable Object key) {
 return delegate().containsKey(key);
}

代码示例来源：origin: google/guava

public void testContainsKeysFromKeySet() {
 for (K k : multimap().keySet()) {
  assertTrue(multimap().containsKey(k));
 }
}

代码示例来源：origin: google/guava

public void testContainsKeyAgreesWithGet() {
 for (K k : sampleKeys()) {
  assertEquals(!multimap().get(k).isEmpty(), multimap().containsKey(k));
 }
}

代码示例来源：origin: google/guava

public void testContainsKeyAgreesWithAsMap() {
 for (K k : sampleKeys()) {
  assertEquals(multimap().containsKey(k), multimap().asMap().containsKey(k));
 }
}

代码示例来源：origin: google/guava

public void testContainsKeyAgreesWithKeySet() {
 for (K k : sampleKeys()) {
  assertEquals(multimap().containsKey(k), multimap().keySet().contains(k));
 }
}

代码示例来源：origin: google/guava

@MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
 public void testContainsKeyNullDisallowed() {
  try {
   multimap().containsKey(null);
   fail("Expected NullPointerException");
  } catch (NullPointerException expected) {
   // success
  }
 }
}

代码示例来源：origin: google/guava

@MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
public void testContainsKeyNullAbsent() {
 assertFalse(multimap().containsKey(null));
}

代码示例来源：origin: google/guava

protected void assertGet(K key, Collection<V> values) {
 assertEqualIgnoringOrder(values, multimap().get(key));
 if (!values.isEmpty()) {
  assertEqualIgnoringOrder(values, multimap().asMap().get(key));
  assertFalse(multimap().isEmpty());
 } else {
  assertNull(multimap().asMap().get(key));
 }
 assertEquals(values.size(), multimap().get(key).size());
 assertEquals(values.size() > 0, multimap().containsKey(key));
 assertEquals(values.size() > 0, multimap().keySet().contains(key));
 assertEquals(values.size() > 0, multimap().keys().contains(key));
}

代码示例来源：origin: google/guava

public void testContainsKeyNo() {
 assertFalse(multimap().containsKey(k3()));
}

代码示例来源：origin: google/guava

@CollectionSize.Require(absent = ZERO)
public void testContainsKeyYes() {
 assertTrue(multimap().containsKey(k0()));
}

代码示例来源：origin: google/guava

@MapFeature.Require(ALLOWS_NULL_KEYS)
@CollectionSize.Require(absent = ZERO)
public void testContainsKeyNullPresent() {
 initMultimapWithNullKey();
 assertTrue(multimap().containsKey(null));
}

代码示例来源：origin: google/guava

@MapFeature.Require(SUPPORTS_PUT)
public void testPropagatesAddAllToMultimap() {
 Collection<V> result = multimap().get(k0());
 assertTrue(result.addAll(Collections.singletonList(v3())));
 assertTrue(multimap().containsKey(k0()));
 assertEquals(getNumElements() + 1, multimap().size());
 assertTrue(multimap().containsEntry(k0(), v3()));
}

代码示例来源：origin: google/guava

@MapFeature.Require(SUPPORTS_PUT)
public void testPropagatesAddToMultimap() {
 Collection<V> result = multimap().get(k0());
 assertTrue(result.add(v3()));
 assertTrue(multimap().containsKey(k0()));
 assertEquals(getNumElements() + 1, multimap().size());
 assertTrue(multimap().containsEntry(k0(), v3()));
}

代码示例来源：origin: google/guava

public void testMultimapReads() {
 Multimap<String, Integer> multimap = createMultimap();
 assertTrue(multimap.containsKey("foo"));
 assertFalse(multimap.containsKey("cat"));
 assertTrue(multimap.containsValue(1));
 assertFalse(multimap.containsValue(5));
 assertTrue(multimap.containsEntry("foo", 1));
 assertFalse(multimap.containsEntry("cat", 1));
 assertFalse(multimap.containsEntry("foo", 5));
 assertFalse(multimap.entries().isEmpty());
 assertEquals(3, multimap.size());
 assertFalse(multimap.isEmpty());
 assertEquals("{foo=[1, 3], bar=[2]}", multimap.toString());
}

代码示例来源：origin: google/guava

public void testMultimapReads() {
 Multimap<String, Integer> multimap = createMultimap();
 assertTrue(multimap.containsKey("foo"));
 assertFalse(multimap.containsKey("cat"));
 assertTrue(multimap.containsValue(1));
 assertFalse(multimap.containsValue(5));
 assertTrue(multimap.containsEntry("foo", 1));
 assertFalse(multimap.containsEntry("cat", 1));
 assertFalse(multimap.containsEntry("foo", 5));
 assertFalse(multimap.entries().isEmpty());
 assertEquals(3, multimap.size());
 assertFalse(multimap.isEmpty());
 assertEquals("{foo=[1, 3], bar=[2]}", multimap.toString());
}