org.apache.commons.lang3.tuple.MutablePair#getLeft ( )源码实例Demo

public Map<String, MutablePair<String, CommentsNodeImpl>> copyMap(CommentsNodeImpl parent)
{
    Map<String, MutablePair<String, CommentsNodeImpl>> result = new HashMap<>(this.dataMap.size());
    for (Entry<String, MutablePair<String, CommentsNodeImpl>> entry : this.dataMap.entrySet())
    {
        String keyToCpy = entry.getKey();
        MutablePair<String, CommentsNodeImpl> valueToCpy = entry.getValue();
        CommentsNodeImpl nodeToCpy = valueToCpy.getRight();
        CommentsNodeImpl copiedNode;
        if (nodeToCpy == null)
        {
            copiedNode = null;
        }
        else
        {
            copiedNode = new CommentsNodeImpl(parent);
            copiedNode.dataMap.putAll(nodeToCpy.copyMap(parent));
        }
        MutablePair<String, CommentsNodeImpl> copied = new MutablePair<>(valueToCpy.getLeft(), copiedNode);
        result.put(keyToCpy, copied);
    }
    return result;
}
 

@Override
public void trim()
{
    for (Iterator<Entry<String, MutablePair<String, CommentsNodeImpl>>> iterator = this.dataMap.entrySet().iterator(); iterator.hasNext(); )
    {
        Entry<String, MutablePair<String, CommentsNodeImpl>> entry = iterator.next();
        MutablePair<String, CommentsNodeImpl> value = entry.getValue();
        CommentsNodeImpl right = value.getRight();
        if (right != null)
        {
            right.trim();
        }
        if (((right == null) || right.dataMap.isEmpty()) && (value.getLeft() == null))
        {
            iterator.remove();
            continue;
        }
        if (right == null)
        {
            continue;
        }
        right.trim();
    }
}
 

@Override
@Nullable
public String getComment(String path)
{
    MutablePair<String, CommentsNodeImpl> nodePair = this.dataMap.get(path);
    if (nodePair != null)
    {
        String comment = nodePair.getLeft();
        if (comment != null)
        {
            return comment;
        }
    }
    MutablePair<String, CommentsNodeImpl> anyNodePair = this.dataMap.get(ANY);
    if (anyNodePair != null)
    {
        return anyNodePair.getKey();
    }
    return null;
}
 

/**
 * handleDeltas handles deltas and call processor distribute.
 *
 * @param deltas deltas
 */
private void handleDeltas(Deque<MutablePair<DeltaFIFO.DeltaType, KubernetesObject>> deltas) {
  if (CollectionUtils.isEmpty(deltas)) {
    return;
  }

  // from oldest to newest
  for (MutablePair<DeltaFIFO.DeltaType, KubernetesObject> delta : deltas) {
    DeltaFIFO.DeltaType deltaType = delta.getLeft();
    switch (deltaType) {
      case Sync:
      case Added:
      case Updated:
        boolean isSync = deltaType == DeltaFIFO.DeltaType.Sync;
        Object oldObj = this.indexer.get((ApiType) delta.getRight());
        if (oldObj != null) {
          this.indexer.update((ApiType) delta.getRight());
          this.processor.distribute(
              new ProcessorListener.UpdateNotification(oldObj, delta.getRight()), isSync);
        } else {
          this.indexer.add((ApiType) delta.getRight());
          this.processor.distribute(
              new ProcessorListener.AddNotification(delta.getRight()), isSync);
        }
        break;
      case Deleted:
        this.indexer.delete((ApiType) delta.getRight());
        this.processor.distribute(
            new ProcessorListener.DeleteNotification(delta.getRight()), false);
        break;
    }
  }
}
 

public Optional<MutablePair<V1Event, V1Patch>> correlate(V1Event event) {
  MutablePair<V1Event, String> aggregatedResult = this.aggregator.aggregate(event);
  V1Event aggregatedEvent = aggregatedResult.getLeft();
  String cacheKey = aggregatedResult.getRight();
  MutablePair<V1Event, V1Patch> observeResult = this.logger.observe(aggregatedEvent, cacheKey);
  if (!this.filter.test(event)) {
    return Optional.empty();
  }
  return Optional.of(observeResult);
}
 

public synchronized MutablePair<V1Event, String> aggregate(V1Event event) {
  DateTime now = DateTime.now();

  MutablePair<String, String> aggregatedKeys = keyFunc.apply(event);
  String aggregatedKey = aggregatedKeys.getLeft();
  String localKey = aggregatedKeys.getRight();

  AggregatedRecord record;
  try {
    record = this.spammingCache.get(aggregatedKey, AggregatedRecord::new);
  } catch (ExecutionException e) {
    throw new IllegalStateException(e);
  }
  record.lastTimestamp = now;
  record.localKeys.add(localKey);

  if (record.localKeys.size() < this.maxEvents) {
    this.spammingCache.put(aggregatedKey, record);
    return new MutablePair<>(event, EventUtils.getEventKey(event));
  }
  record.localKeys.remove(record.localKeys.stream().findAny().get()); // remove any keys
  V1Event aggregatedEvent =
      new V1EventBuilder(event)
          .withMetadata(
              new V1ObjectMetaBuilder()
                  .withName(EventUtils.generateName(event.getInvolvedObject().getName(), now))
                  .withNamespace(event.getInvolvedObject().getNamespace())
                  .build())
          .withCount(1)
          .withFirstTimestamp(now)
          .withLastTimestamp(now)
          .withMessage(this.messageFunc.apply(event))
          .build();
  this.spammingCache.put(aggregatedKey, record);
  return new MutablePair<>(aggregatedEvent, aggregatedKey);
}
 

public static VoxelShape getShape(AxisAlignedBB aabb) {
    VoxelShape shape = bbToShapeCache.getIfPresent(aabb);
    if (shape == null) {
        shape = VoxelShapes.create(aabb);
        bbToShapeCache.put(aabb, shape);
        MutablePair<AxisAlignedBB, Cuboid6> entry = getReverse(shape);
        if (entry.getLeft() == null) {
            entry.setLeft(aabb);
        }
    }
    return shape;
}
 

public static AxisAlignedBB getAABB(VoxelShape shape) {
    MutablePair<AxisAlignedBB, Cuboid6> entry = getReverse(shape);
    if (entry.getLeft() == null) {
        entry.setLeft(shape.getBoundingBox());
    }
    return entry.getLeft();
}
 

@SuppressWarnings("unchecked")
Map<String, MutablePair<String, ?>> buildMap()
{
    Map<String, MutablePair<String, ?>> resultMap = new LinkedHashMap<>(this.dataMap.size());
    for (Entry<String, MutablePair<String, CommentsNodeImpl>> entry : this.dataMap.entrySet())
    {
        MutablePair<String, CommentsNodeImpl> value = entry.getValue();
        CommentsNodeImpl right = value.getRight();
        String left = value.getLeft();
        if ((right == null) && (left == null))
        {
            continue;
        }
        Map<String, MutablePair<String, ?>> rightMap = null;
        if (right != null)
        {
            rightMap = right.buildMap();
            if (rightMap.isEmpty())
            {
                rightMap = null;
                if (left == null)
                {
                    continue;
                }
            }
        }
        resultMap.put(entry.getKey(), new MutablePair<>(left, rightMap));
    }
    return resultMap;
}
 

@Override
public void join(CommentsNode toJoin_)
{
    if (toJoin_ instanceof EmptyCommentsNode)
    {
        return;
    }
    if (! (toJoin_ instanceof CommentsNodeImpl))
    {
        throw new IllegalArgumentException("Can't join to unknown node type.");
    }
    CommentsNodeImpl toJoin = (CommentsNodeImpl) toJoin_;
    for (Entry<String, MutablePair<String, CommentsNodeImpl>> entry : toJoin.dataMap.entrySet())
    {
        String nodeKey = entry.getKey();
        MutablePair<String, CommentsNodeImpl> pair = entry.getValue();
        String nodeComment = pair.getLeft();
        CommentsNodeImpl subNode = pair.getRight();

        if (nodeComment != null)
        {
            this.setComment(nodeKey, nodeComment);
        }
        if (subNode != null)
        {
            this.join(nodeKey, subNode);
        }
    }
}
 

@SuppressWarnings("unchecked")
private void write(Map<String, MutablePair<String, ?>> map) throws IOException
{
    this.updateIndent(true);
    int keys = map.entrySet().size();
    int k = 0;
    for (Entry<String, MutablePair<String, ?>> entry : map.entrySet())
    {
        k += 1;
        MutablePair<String, ?> pair = entry.getValue();
        String comment = pair.getLeft();
        Map<String, MutablePair<String, ?>> rightMap = (Map<String, MutablePair<String, ?>>) pair.getRight();

        int rightKeys = (rightMap == null) ? 0 : rightMap.size();
        boolean newLine = keys > 3;
        if (comment != null)
        {
            this.writeComment(comment);
        }

        String key = entry.getKey();
        this.writeKey(key);
        if (rightMap != null)
        {
            this.write(rightMap);
        }
        if (newLine)
        {
            this.writeNewLine(false);
        }
    }
    this.writeNewLine(false);
    this.updateIndent(false);
}
 

@Override
public void beginWindow(long windowId)
{
  currentWindowId = windowId;
  if (currentWindowId <= windowManager.getLargestCompletedWindow()) {
    try {
      replay(currentWindowId);
      return;
    } catch (SQLException e) {
      throw new RuntimeException("Replay failed", e);
    }
  }

  currentWindowRecoveryState = WindowData.of(currentWindowRecoveryState.key, lastEmittedRow, 0);
  if (isPollerPartition) {
    MutablePair<Object, Integer> keyOffset = fetchedKeyAndOffset.get();
    if (keyOffset != null && keyOffset.getRight() < lastEmittedRow) {
      if (!adjustKeyAndOffset.get()) {
        // rebase offset
        lastEmittedRow -= keyOffset.getRight();
        currentWindowRecoveryState.lowerBound = lastEmittedRow;
        currentWindowRecoveryState.key = keyOffset.getLeft();
        adjustKeyAndOffset.set(true);
      }
    }
  }
}
 

@Override
public MutablePair<MutableLong, MutableLong> accumulate(MutablePair<MutableLong, MutableLong> accumulatedValue, MutablePair<Double, Double> input)
{
  if (input.getLeft() * input.getLeft() + input.getRight() * input.getRight() < 1) {
    accumulatedValue.getLeft().increment();
  }
  accumulatedValue.getRight().increment();
  return accumulatedValue;
}
 

@Override
public Double getOutput(MutablePair<Double, Long> accumulatedValue)
{
  return accumulatedValue.getLeft();
}
 

@Override
protected String getFileName(AbstractBlockReader.ReaderRecord<Slice> tuple)
{
  MutablePair<Integer,String> blockId = blockInfo.get(tuple.getBlockId());
  return blockId.getRight() + PARTSUFFIX + blockId.getLeft();
}
 

@Override
public void finalizeFile(String fileName) throws IOException
{
  MutablePair<Integer,String> blockId = blockInfo.get(Long.parseLong(fileName));
  super.finalizeFile(blockId.getRight() + PARTSUFFIX + blockId.getLeft());
}