本文整理了Java中org.apache.tinkerpop.gremlin.structure.Element.keys()方法的一些代码示例，展示了Element.keys()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。Element.keys()方法的具体详情如下：
包路径：org.apache.tinkerpop.gremlin.structure.Element
类名称：Element
方法名：keys

Element.keys介绍

[英]Get the keys of the properties associated with this element. The default implementation iterators the properties and stores the keys into a HashSet.
[中]获取与此元素关联的属性的键。默认实现迭代器属性并将键存储到哈希集中。

代码示例

代码示例来源：origin: apache/tinkerpop

private Collection<String> getElementKeysAndNormalizeIfRequired(final Element element) {
  final Collection<String> keys;
  if (normalize) {
    keys = new ArrayList<>();
    keys.addAll(element.keys());
    Collections.sort((List<String>) keys);
  } else
    keys = element.keys();
  return keys;
}

代码示例来源：origin: apache/tinkerpop

@Override
public Set<String> keys() {
  return this.element.keys().stream().filter(key -> !computeKeys.contains(key)).collect(Collectors.toSet());
}

代码示例来源：origin: apache/tinkerpop

/**
 * Retrieve the properties associated with a particular element.
 * The result is a Object[] where odd indices are String keys and even indices are the values.
 *
 * @param element          the element to retrieve properties from
 * @param includeId        include Element.ID in the key/value list
 * @param includeLabel     include Element.LABEL in the key/value list
 * @param propertiesToCopy the properties to include with an empty list meaning copy all properties
 * @return a key/value array of properties where odd indices are String keys and even indices are the values.
 */
public static Object[] getProperties(final Element element, final boolean includeId, final boolean includeLabel, final Set<String> propertiesToCopy) {
  final List<Object> keyValues = new ArrayList<>();
  if (includeId) {
    keyValues.add(T.id);
    keyValues.add(element.id());
  }
  if (includeLabel) {
    keyValues.add(T.label);
    keyValues.add(element.label());
  }
  element.keys().forEach(key -> {
    if (propertiesToCopy.isEmpty() || propertiesToCopy.contains(key)) {
      keyValues.add(key);
      keyValues.add(element.value(key));
    }
  });
  return keyValues.toArray(new Object[keyValues.size()]);
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

private Collection<String> getElementKeysAndNormalizeIfRequired(final Element element) {
  final Collection<String> keys;
  if (normalize) {
    keys = new ArrayList<>();
    keys.addAll(element.keys());
    Collections.sort((List<String>) keys);
  } else
    keys = element.keys();
  return keys;
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

@Override
public Set<String> keys() {
  return this.element.keys().stream().filter(key -> !computeKeys.contains(key)).collect(Collectors.toSet());
}

代码示例来源：origin: HuygensING/timbuctoo

private Set<String> getKeys(Element element, Set<String> propertiesToIgnore) {
 return element.keys().stream().filter(key -> !propertiesToIgnore.contains(key)).collect(Collectors.toSet());
}

代码示例来源：origin: MartinHaeusler/chronos

public static void mergeProperties(final Element element, final Element storeElement, final Element ancestorElement,
    final PropertyConflictResolutionStrategy strategy) {
  checkNotNull(element, "Precondition violation - argument 'element' must not be NULL!");
  checkNotNull(storeElement, "Precondition violation - argument 'storeElement' must not be NULL!");
  checkNotNull(strategy, "Precondition violation - argument 'strategy' must not be NULL!");
  // get all element property keys
  Set<String> elementKeys = Sets.newHashSet(element.keys());
  Set<String> storeElementKeys = Sets.newHashSet(storeElement.keys());
  Set<String> allKeys = Sets.union(elementKeys, storeElementKeys);
  for (String propertyKey : allKeys) {
    mergeSingleProperty(propertyKey, element, storeElement, ancestorElement, strategy);
  }
}

代码示例来源：origin: com.syncleus.ferma/ferma

@Override
public Set<String> getPropertyKeys() {
  return getElement().keys();
}

代码示例来源：origin: apache/atlas

@Override
public Set<String> getPropertyKeys() {
  return getWrappedElement().keys();
}

代码示例来源：origin: Syncleus/Ferma

@Override
public Set<String> getPropertyKeys() {
  return getElement().keys();
}

代码示例来源：origin: apache/incubator-atlas

@Override
public Set<String> getPropertyKeys() {
  return getWrappedElement().keys();
}

代码示例来源：origin: org.jboss.windup.graph/windup-graph-api

/**
 * A string representation of this vertex, showing it's properties in a JSON-like format.
 */
default String toPrettyString()
{
  Element v = getElement();
  StringBuilder result = new StringBuilder();
  result.append("[").append(v.toString()).append("=");
  result.append("{");
  boolean hasSome = false;
  for (String propKey : v.keys())
  {
    hasSome = true;
    Iterator<? extends Property<Object>> propVal = v.properties(propKey);
    List<Object> propValues = new ArrayList<>();
    propVal.forEachRemaining(prop -> propValues.add(prop.value()));
    if (propValues.size() == 1)
      result.append(propKey).append(": ").append(propValues.get(0));
    else
      result.append(propKey).append(": ").append(propValues);
    result.append(", ");
  }
  if (hasSome)
  {
    result.delete(result.length() - 2, result.length());
  }
  result.append("}]");
  return result.toString();
}

代码示例来源：origin: windup/windup

/**
 * A string representation of this vertex, showing it's properties in a JSON-like format.
 */
default String toPrettyString()
{
  Element v = getElement();
  StringBuilder result = new StringBuilder();
  result.append("[").append(v.toString()).append("=");
  result.append("{");
  boolean hasSome = false;
  for (String propKey : v.keys())
  {
    hasSome = true;
    Iterator<? extends Property<Object>> propVal = v.properties(propKey);
    List<Object> propValues = new ArrayList<>();
    propVal.forEachRemaining(prop -> propValues.add(prop.value()));
    if (propValues.size() == 1)
      result.append(propKey).append(": ").append(propValues.get(0));
    else
      result.append(propKey).append(": ").append(propValues);
    result.append(", ");
  }
  if (hasSome)
  {
    result.delete(result.length() - 2, result.length());
  }
  result.append("}]");
  return result.toString();
}

代码示例来源：origin: org.apache.tinkerpop/gremlin-core

/**
 * Retrieve the properties associated with a particular element.
 * The result is a Object[] where odd indices are String keys and even indices are the values.
 *
 * @param element          the element to retrieve properties from
 * @param includeId        include Element.ID in the key/value list
 * @param includeLabel     include Element.LABEL in the key/value list
 * @param propertiesToCopy the properties to include with an empty list meaning copy all properties
 * @return a key/value array of properties where odd indices are String keys and even indices are the values.
 */
public static Object[] getProperties(final Element element, final boolean includeId, final boolean includeLabel, final Set<String> propertiesToCopy) {
  final List<Object> keyValues = new ArrayList<>();
  if (includeId) {
    keyValues.add(T.id);
    keyValues.add(element.id());
  }
  if (includeLabel) {
    keyValues.add(T.label);
    keyValues.add(element.label());
  }
  element.keys().forEach(key -> {
    if (propertiesToCopy.isEmpty() || propertiesToCopy.contains(key)) {
      keyValues.add(key);
      keyValues.add(element.value(key));
    }
  });
  return keyValues.toArray(new Object[keyValues.size()]);
}