java.util.EnumSet类的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中java.util.EnumSet类的一些代码示例，展示了EnumSet类的具体用法。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。EnumSet类的具体详情如下：
包路径：java.util.EnumSet
类名称：EnumSet

EnumSet介绍

[英]An EnumSet is a specialized Set to be used with enums as keys.
[中]枚举集是将枚举用作键的专用集。

代码示例

代码示例来源：origin: google/guava

void add(E e) {
 if (set == null) {
  set = EnumSet.of(e);
 } else {
  set.add(e);
 }
}

代码示例来源：origin: google/guava

@Override
 public Set<V> get() {
  return EnumSet.noneOf(clazz);
 }
}

代码示例来源：origin: google/guava

@Override
public boolean contains(Object object) {
 return delegate.contains(object);
}

代码示例来源：origin: google/guava

private static <E extends Enum<E>> EnumSet<E> makeComplementByHand(
  Collection<E> collection, Class<E> type) {
 EnumSet<E> result = EnumSet.allOf(type);
 result.removeAll(collection);
 return result;
}

代码示例来源：origin: apache/incubator-dubbo

@SuppressWarnings("unchecked")
  private Object readResolve() {
    EnumSet enumSet = EnumSet.noneOf(type);
    enumSet.addAll(Arrays.asList(objects));
    return enumSet;
  }
}

代码示例来源：origin: wildfly/wildfly

protected void parseRemote(final XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
  final int count = reader.getAttributeCount();
  ModelNode operation = Util.createAddOperation(SUBSYSTEM_PATH.append(SERVICE, REMOTE));
  final EnumSet<EJB3SubsystemXMLAttribute> required = EnumSet.of(EJB3SubsystemXMLAttribute.CONNECTOR_REF, EJB3SubsystemXMLAttribute.THREAD_POOL_NAME);
  for (int i = 0; i < count; i++) {
    requireNoNamespaceAttribute(reader, i);
    final String value = reader.getAttributeValue(i);
    final EJB3SubsystemXMLAttribute attribute = EJB3SubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
    required.remove(attribute);
    switch (attribute) {
      case CONNECTOR_REF:
        EJB3RemoteResourceDefinition.CONNECTOR_REF.parseAndSetParameter(value, operation, reader);
        break;
      case THREAD_POOL_NAME:
        EJB3RemoteResourceDefinition.THREAD_POOL_NAME.parseAndSetParameter(value, operation, reader);
        break;
      default:
        throw unexpectedAttribute(reader, i);
    }
  }
  if (!required.isEmpty()) {
    throw missingRequired(reader, required);
  }
  operation.get(EJB3SubsystemModel.EXECUTE_IN_WORKER).set(new ModelNode(false));
  requireNoContent(reader);
  operations.add(operation);
}

代码示例来源：origin: google/guava

public void testComplementOfEnumSet() {
 Set<SomeEnum> units = EnumSet.of(SomeEnum.B, SomeEnum.D);
 EnumSet<SomeEnum> otherUnits = Sets.complementOf(units);
 verifySetContents(otherUnits, EnumSet.of(SomeEnum.A, SomeEnum.C));
}

代码示例来源：origin: wildfly/wildfly

private void parseAuthorization(List<ModelNode> list, PathAddress parentAddress, XMLExtendedStreamReader reader) throws XMLStreamException {
  requireNoAttributes(reader);
  PathAddress address = parentAddress.append(AUTHORIZATION, CLASSIC);
  ModelNode op = Util.createAddOperation(address);
  list.add(op);
  while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
    final Element element = Element.forName(reader.getLocalName());
    switch (element) {
      case POLICY_MODULE: {
        EnumSet<Attribute> required = EnumSet.of(Attribute.CODE, Attribute.FLAG);
        EnumSet<Attribute> notAllowed = EnumSet.of(Attribute.TYPE, Attribute.LOGIN_MODULE_STACK_REF);
        parseCommonModule(reader, address, POLICY_MODULE, required, notAllowed, list);
        break;
      }
      default: {
        throw unexpectedElement(reader);
      }
    }
  }
}

代码示例来源：origin: eclipse-vertx/vert.x

public static <E extends Enum<E>> Set<E> randomEnumSet(Class<E> enumType) {
 EnumSet<E> set = EnumSet.noneOf(enumType);
 for (E e : EnumSet.allOf(enumType)) {
  if (randomPositiveInt() % 2 == 1) {
   set.add(e);
  }
 }
 return set;
}

代码示例来源：origin: google/guava

@Override
 public Set<AnEnum> create(AnEnum[] elements) {
  return (elements.length == 0)
    ? EnumSet.noneOf(AnEnum.class)
    : EnumSet.copyOf(MinimalCollection.of(elements));
 }
})

代码示例来源：origin: neo4j/neo4j

private List<Value> generateRandomSimpleValues()
{
  EnumSet<ValueGroup> simpleTypes = EnumSet.of(
      ValueGroup.BOOLEAN, ValueGroup.BOOLEAN_ARRAY, ValueGroup.NUMBER, ValueGroup.NUMBER_ARRAY );
  return generateRandomValues( v -> simpleTypes.contains( v.valueGroup() ) );
}

代码示例来源：origin: wildfly/wildfly

@Override
public ServiceConfigurator configure(OperationContext context, ModelNode model) throws OperationFailedException {
  this.mode = ModelNodes.asEnum(MODE.resolveModelAttribute(context, model), TransactionMode.class);
  this.locking = ModelNodes.asEnum(LOCKING.resolveModelAttribute(context, model), LockingMode.class);
  this.timeout = STOP_TIMEOUT.resolveModelAttribute(context, model).asLong();
  this.transactionDependency = !EnumSet.of(TransactionMode.NONE, TransactionMode.BATCH).contains(this.mode) ? new ServiceDependency(context.getCapabilityServiceName(LOCAL_TRANSACTION_PROVIDER.getName(), null)) : null;
  this.tsrDependency = this.mode == TransactionMode.NON_XA ? new ServiceSupplierDependency<>(context.getCapabilityServiceName(TRANSACTION_SYNCHRONIZATION_REGISTRY.getName(), null)) : null;
  return this;
}

代码示例来源：origin: wildfly/wildfly

@Override
public void readElement(XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
  PathAddress address = PathAddress.pathAddress(PathElement.pathElement(SUBSYSTEM, SecurityExtension.SUBSYSTEM_NAME));
  final ModelNode subsystemNode = Util.createAddOperation(address);
  operations.add(subsystemNode);
  requireNoAttributes(reader);
  final EnumSet<Element> visited = EnumSet.noneOf(Element.class);
  while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
    final Element element = Element.forName(reader.getLocalName());
    if (!visited.add(element)) {
      throw unexpectedElement(reader);
    }
    readElement(reader, element, operations, address, subsystemNode);
  }
}

代码示例来源：origin: redisson/redisson

@Override
  public Object instantiate(Class objectClass, FSTObjectInput in, FSTClazzInfo serializationInfo, FSTClazzInfo.FSTFieldInfo referencee, int streamPosition) throws Exception {
    int len = in.readInt();
    Class elemCl = FSTUtil.getRealEnumClass(in.getClassForName( in.readStringUTF() ));
    EnumSet enSet = EnumSet.noneOf(elemCl);
    in.registerObject(enSet,streamPosition,serializationInfo, referencee); // IMPORTANT, else tracking double objects will fail
    for (int i = 0; i < len; i++) {
      String val = in.readStringUTF();
      enSet.add(Enum.valueOf(elemCl,val));
    }
    return enSet;
  }
}

代码示例来源：origin: wildfly/wildfly

private void parseCustomStore(XMLExtendedStreamReader reader, PathAddress cacheAddress, Map<PathAddress, ModelNode> operations) throws XMLStreamException {
  PathAddress address = cacheAddress.append(CustomStoreResourceDefinition.PATH);
  PathAddress operationKey = cacheAddress.append(StoreResourceDefinition.WILDCARD_PATH);
  if (operations.containsKey(operationKey)) {
    throw ParseUtils.unexpectedElement(reader);
  }
  ModelNode operation = Util.createAddOperation(address);
  operations.put(operationKey, operation);
  for (int i = 0; i < reader.getAttributeCount(); i++) {
    XMLAttribute attribute = XMLAttribute.forName(reader.getAttributeLocalName(i));
    switch (attribute) {
      case CLASS: {
        readAttribute(reader, i, operation, CustomStoreResourceDefinition.Attribute.CLASS);
        break;
      }
      default: {
        this.parseStoreAttribute(reader, i, operation);
      }
    }
  }
  if (!operation.hasDefined(CustomStoreResourceDefinition.Attribute.CLASS.getName())) {
    throw ParseUtils.missingRequired(reader, EnumSet.of(XMLAttribute.CLASS));
  }
  while (reader.hasNext() && (reader.nextTag() != XMLStreamConstants.END_ELEMENT)) {
    this.parseStoreElement(reader, address, operations);
  }
}

代码示例来源：origin: google/guava

@GwtIncompatible // java.lang.ref.WeakReference
private static <T extends Enum<T>> Map<String, WeakReference<? extends Enum<?>>> populateCache(
  Class<T> enumClass) {
 Map<String, WeakReference<? extends Enum<?>>> result = new HashMap<>();
 for (T enumInstance : EnumSet.allOf(enumClass)) {
  result.put(enumInstance.name(), new WeakReference<Enum<?>>(enumInstance));
 }
 enumConstantCache.put(enumClass, result);
 return result;
}

代码示例来源：origin: wildfly/wildfly

private void parseJobRepository(final XMLExtendedStreamReader reader, final PathAddress subsystemAddress, final String name, final List<ModelNode> ops) throws XMLStreamException {
    while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
      final String localName = reader.getLocalName();
      final Element element = Element.forName(localName);
      if (element == Element.IN_MEMORY) {
        ops.add(Util.createAddOperation(subsystemAddress.append(InMemoryJobRepositoryDefinition.NAME, name)));
        ParseUtils.requireNoContent(reader);
      } else if (element == Element.JDBC) {
        final Map<Attribute, String> attributes = AttributeParsers.readRequiredAttributes(reader, EnumSet.of(Attribute.DATA_SOURCE));
        final ModelNode op = Util.createAddOperation(subsystemAddress.append(JdbcJobRepositoryDefinition.NAME, name));
        JdbcJobRepositoryDefinition.DATA_SOURCE.parseAndSetParameter(attributes.get(Attribute.DATA_SOURCE), op, reader);
        ops.add(op);
        ParseUtils.requireNoContent(reader);
      } else {
        throw ParseUtils.unexpectedElement(reader);
      }
    }
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void getHandlerHttpOptions() {
  List<HttpMethod> allMethodExceptTrace = new ArrayList<>(Arrays.asList(HttpMethod.values()));
  allMethodExceptTrace.remove(HttpMethod.TRACE);
  testHttpOptions("/foo", EnumSet.of(HttpMethod.GET, HttpMethod.HEAD, HttpMethod.OPTIONS));
  testHttpOptions("/person/1", EnumSet.of(HttpMethod.PUT, HttpMethod.OPTIONS));
  testHttpOptions("/persons", EnumSet.copyOf(allMethodExceptTrace));
  testHttpOptions("/something", EnumSet.of(HttpMethod.PUT, HttpMethod.POST));
}

代码示例来源：origin: google/guava

public void testComplementOfEmptyEnumSetWithoutType() {
 Set<SomeEnum> noUnits = EnumSet.noneOf(SomeEnum.class);
 EnumSet<SomeEnum> allUnits = Sets.complementOf(noUnits);
 verifySetContents(allUnits, EnumSet.allOf(SomeEnum.class));
}

代码示例来源：origin: wildfly/wildfly

private void parseLoginModules(XMLExtendedStreamReader reader, PathAddress parentAddress, List<ModelNode> list) throws XMLStreamException {
  while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
    final Element element = Element.forName(reader.getLocalName());
    switch (element) {
      case LOGIN_MODULE: {
        EnumSet<Attribute> required = EnumSet.of(Attribute.CODE, Attribute.FLAG);
        EnumSet<Attribute> notAllowed = EnumSet.of(Attribute.TYPE, Attribute.LOGIN_MODULE_STACK_REF);
        parseCommonModule(reader, parentAddress, LOGIN_MODULE, required, notAllowed, list);
        break;
      }
      default: {
        throw unexpectedElement(reader);
      }
    }
  }
}

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