本文整理了Java中com.vmware.xenon.common.Utils.updateCollections()方法的一些代码示例，展示了Utils.updateCollections()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。Utils.updateCollections()方法的具体详情如下：
包路径：com.vmware.xenon.common.Utils
类名称：Utils
方法名：updateCollections

Utils.updateCollections介绍

[英]Adds/removes elements from specified collections; if both are specified elements are removed before new elements added
[中]从指定集合中添加/删除元素；如果两个元素都是指定的，则在添加新元素之前删除它们

代码示例

代码示例来源：origin: vmware/xenon

/**
 * Update the state of collections that are part of the service state
 * @param currentState The current state
 * @param op Operation with the patch request
 * @return
 * @throws IllegalAccessException
 * @throws NoSuchFieldException
 */
public static <T extends ServiceDocument> boolean mergeWithState(T currentState, Operation op)
    throws NoSuchFieldException, IllegalAccessException {
  ServiceStateCollectionUpdateRequest collectionUpdateRequest =
      op.getBody(ServiceStateCollectionUpdateRequest.class);
  if (ServiceStateCollectionUpdateRequest.KIND.equals(collectionUpdateRequest.kind)) {
    Utils.updateCollections(currentState, collectionUpdateRequest);
    return true;
  }
  ServiceStateMapUpdateRequest mapUpdateRequest =
      op.getBody(ServiceStateMapUpdateRequest.class);
  if (ServiceStateMapUpdateRequest.KIND.equals(mapUpdateRequest.kind)) {
    Utils.updateMaps(currentState, mapUpdateRequest);
    return true;
  }
  return false;
}

代码示例来源：origin: vmware/xenon

if (ServiceStateCollectionUpdateRequest.KIND.equals(requestBody.kind)) {
  result.add(MergeResult.SPECIAL_MERGE);
  if (Utils.updateCollections(currentState, requestBody)) {
    result.add(MergeResult.STATE_CHANGED);

代码示例来源：origin: vmware/xenon

@Test
public void testCollectionsUpdate() throws Throwable {
  MergeTest state = new MergeTest();
  state.listOfStrings = new ArrayList<String>();
  state.listOfStrings.add(SOME_STRING_VALUE);
  state.listOfStrings.add(SOME_OTHER_STRING_VALUE);
  state.setOfStrings = new HashSet<String>();
  Map<String, Collection<Object>> collectionsToRemove = new HashMap<>();
  collectionsToRemove.put("listOfStrings", new ArrayList<>(state.listOfStrings));
  Map<String, Collection<Object>> collectionsToAdd = new HashMap<>();
  collectionsToRemove.put("listOfStrings", new ArrayList<>(state.listOfStrings));
  collectionsToAdd.put("setOfStrings", new ArrayList<>(Arrays.asList(SOME_STRING_VALUE)));
  ServiceStateCollectionUpdateRequest request = ServiceStateCollectionUpdateRequest
      .create(collectionsToAdd, collectionsToRemove);
  boolean changed = Utils.updateCollections(state, request);
  assertTrue(changed);
  assertEquals(state.listOfStrings.size(), 0);
  assertEquals(state.setOfStrings.size(), 1);
  // repeating the update should not change the state anymore
  changed = Utils.updateCollections(state, request);
  assertFalse(changed);
}

代码示例来源：origin: com.vmware.xenon/xenon-common

@Test
public void testCollectionsUpdate() throws Throwable {
  MergeTest state = new MergeTest();
  state.listOfStrings = new ArrayList<String>();
  state.listOfStrings.add(SOME_STRING_VALUE);
  state.listOfStrings.add(SOME_OTHER_STRING_VALUE);
  state.setOfStrings = new HashSet<String>();
  Map<String, Collection<Object>> collectionsToRemove = new HashMap<>();
  collectionsToRemove.put("listOfStrings", new ArrayList<>(state.listOfStrings));
  Map<String, Collection<Object>> collectionsToAdd = new HashMap<>();
  collectionsToRemove.put("listOfStrings", new ArrayList<>(state.listOfStrings));
  collectionsToAdd.put("setOfStrings", new ArrayList<>(Arrays.asList(SOME_STRING_VALUE)));
  ServiceStateCollectionUpdateRequest request = ServiceStateCollectionUpdateRequest
      .create(collectionsToAdd, collectionsToRemove);
  boolean changed = Utils.updateCollections(state, request);
  assertTrue(changed);
  assertEquals(state.listOfStrings.size(), 0);
  assertEquals(state.setOfStrings.size(), 1);
  // repeating the update should not change the state anymore
  changed = Utils.updateCollections(state, request);
  assertFalse(changed);
}