scala.collection.mutable.Map类的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中scala.collection.mutable.Map类的一些代码示例，展示了Map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。Map类的具体详情如下：
包路径：scala.collection.mutable.Map
类名称：Map

Map介绍

暂无

代码示例

代码示例来源：origin: goldmansachs/gs-collections

@Benchmark
  public void get()
  {
    int localSize = this.size;
    String[] localElements = this.elements;
    Map<String, String> localScalaMap = this.scalaMap;

    for (int i = 0; i < localSize; i++)
    {
      if (!localScalaMap.get(localElements[i]).isDefined())
      {
        throw new AssertionError(i);
      }
    }
  }
}

代码示例来源：origin: twosigma/beakerx

@Override
public Object deserialize(JsonNode n, ObjectMapper mapper) {
 HashMap<String, Object> o = new HashMap<String, Object>();
 try {
  logger.debug("using custom map deserializer");
  Iterator<Map.Entry<String, JsonNode>> e = n.fields();
  while (e.hasNext()) {
   Map.Entry<String, JsonNode> ee = e.next();
   o.put(ee.getKey(), parent.deserialize(ee.getValue(), mapper));
  }
 } catch (Exception e) {
  logger.error("exception deserializing Map {}", e.getMessage());
  o = null;
 }
 if (o != null)
  return JavaConverters.mapAsScalaMapConverter(o).asScala().toMap(Predef.<Tuple2<String, Object>>conforms());
 return null;
}

代码示例来源：origin: linkedin/cruise-control

Map<Integer, String> rackByBroker = new HashMap<>();
for (BrokerMetadata bm :
   JavaConversions.seqAsJavaList(AdminUtils.getBrokerMetadatas(zkUtils, RackAwareMode.Enforced$.MODULE$, Option.empty()))) {
 String rack = bm.rack().isEmpty() ? String.valueOf(bm.id()) : bm.rack().get();
 brokersByRack.putIfAbsent(rack, new ArrayList<>());
 brokersByRack.get(rack).add(bm.id());
  newReplicaAssignment.put(new TopicAndPartition(topic, pm.partition()),
               JavaConverters.asScalaIteratorConverter(newAssignedReplica.iterator()).asScala().toSeq());
if (newReplicaAssignment.nonEmpty()) {
 zkUtils.updatePartitionReassignmentData(newReplicaAssignment);
 LOG.info("The replication factor of Kafka topic " + topic + " has increased to " + replicationFactor + ".");

代码示例来源：origin: uber/chaperone

try {
 scala.collection.Map<Object, Seq<Object>> partitionsMap =
   partitionAssignmentForTopics.get(topic).get();
 TopicPartition tp = new TopicPartition(topic, partitionsMap.size());
 _topicPartitionInfoMap.put(topic, tp);

代码示例来源：origin: uber/uReplicator

public void tryUpdateTopic(String topic) {
 scala.collection.mutable.Map<String, scala.collection.Map<Object, Seq<Object>>> partitionAssignmentForTopics =
   _zkUtils.getPartitionAssignmentForTopics(JavaConversions.asScalaBuffer(ImmutableList.of(topic)));
 if (partitionAssignmentForTopics.get(topic).isEmpty()
   || partitionAssignmentForTopics.get(topic).get().size() == 0) {
  LOGGER.info("try to update for topic {} but found no topic partition for it", topic);
  return;
 }
 synchronized (_lock) {
  LOGGER.info("starting to refresh for update topic {}", topic);
  try {
   _topicPartitionInfoMap.put(topic, new TopicPartition(topic,
     partitionAssignmentForTopics.get(topic).get().size()));
  } catch (Exception e) {
   LOGGER.warn("Failed to get topicPartition info for {} from kafka zk: {}", topic, e);
  }
  LOGGER.info("finished refreshing for updating topic {}", topic);
 }
}

代码示例来源：origin: org.locationtech.geomesa/geomesa-accumulo-jobs

@Deprecated
  @SuppressWarnings("unchecked")
  public static void configure(Job job,
                 Map<String, String> dataStoreParams,
                 String featureTypeName,
                 String filter,
                 String[] transform) {
    Object m = JavaConverters.mapAsScalaMapConverter(dataStoreParams).asScala();
    scala.collection.immutable.Map<String, String> scalaParams =
        ((scala.collection.mutable.Map<String, String>) m).toMap(Predef.<Tuple2<String, String>>conforms());
    Option<String> f = Option.apply(filter);
    Option<String[]> t = Option.apply(transform);
    GeoMesaAccumuloInputFormat$.MODULE$.configure(job, scalaParams, featureTypeName, f, t);
  }
}

代码示例来源：origin: com.typesafe.play/play_2.10

/**
 * Converts a Java Map to Scala.
 */
public static <A,B> scala.collection.immutable.Map<A,B> asScala(Map<A,B> javaMap) {
  return play.utils.Conversions.newMap(
      scala.collection.JavaConverters.mapAsScalaMapConverter(javaMap).asScala().toSeq()
      );
}

代码示例来源：origin: goldmansachs/gs-collections

@Setup
public void setUp()
{
  Random random = new Random(123456789012345L);
  this.elements = new String[this.size];
  this.scalaAnyRefMap = new AnyRefMap<>(this.size);
  for (int i = 0; i < this.size; i++)
  {
    String element = RandomStringUtils.random(RANDOM_COUNT, 0, 0, false, true, null, random);
    this.elements[i] = element;
    this.scalaAnyRefMap.put(element, "dummy");
  }
}

代码示例来源：origin: org.apache.spark/spark-streaming-kafka-0-10_2.11

offsets.put(tp1, 23L);
final scala.collection.Map<TopicPartition, Object> sOffsets =
 JavaConverters.mapAsScalaMapConverter(offsets).asScala().mapValues(
  new scala.runtime.AbstractFunction1<Long, Object>() {
   @Override

代码示例来源：origin: uber/chaperone

@Override
public void handleChildChange(String parentPath, List<String> currentChilds)
  throws Exception {
 if (!tryToRefreshCache()) {
  synchronized (_lock) {
   Set<String> newAddedTopics = new HashSet<String>(currentChilds);
   Set<String> currentServingTopics = getAllTopics();
   newAddedTopics.removeAll(currentServingTopics);
   for (String existedTopic : currentServingTopics) {
    if (!currentChilds.contains(existedTopic)) {
     _topicPartitionInfoMap.remove(existedTopic);
    }
   }
   scala.collection.mutable.Map<String, scala.collection.Map<Object, Seq<Object>>> partitionAssignmentForTopics =
     _zkUtils.getPartitionAssignmentForTopics(
         JavaConversions.asScalaBuffer(ImmutableList.copyOf(newAddedTopics)));
   for (String topic : newAddedTopics) {
    try {
     scala.collection.Map<Object, Seq<Object>> partitionsMap =
       partitionAssignmentForTopics.get(topic).get();
     TopicPartition tp = new TopicPartition(topic, partitionsMap.size());
     _topicPartitionInfoMap.put(topic, tp);
    } catch (Exception e) {
     LOGGER.warn("Failed to get topicPartition info for {} from kafka zk: {}", topic, e);
    }
   }
   _kafkaTopicsCounter.inc(_topicPartitionInfoMap.size() - _kafkaTopicsCounter.getCount());
  }
 }
}

代码示例来源：origin: uber/uReplicator

private void tryAddTopic(String topic) {
 scala.collection.mutable.Map<String, scala.collection.Map<Object, Seq<Object>>> partitionAssignmentForTopics =
   _zkUtils.getPartitionAssignmentForTopics(JavaConversions.asScalaBuffer(ImmutableList.of(topic)));
 if (partitionAssignmentForTopics.get(topic).isEmpty()
   || partitionAssignmentForTopics.get(topic).get().size() == 0) {
  LOGGER.info("try to refresh for topic {} but found no topic partition for it", topic);
  return;
 }
 synchronized (_lock) {
  LOGGER.info("starting to refresh for adding topic {}", topic);
  if (!getAllTopics().contains(topic)) {
   try {
    _topicPartitionInfoMap.put(topic, new TopicPartition(topic,
      partitionAssignmentForTopics.get(topic).get().size()));
   } catch (Exception e) {
    LOGGER.warn("Failed to get topicPartition info for {} from kafka zk: {}", topic, e);
   }
  }
  LOGGER.info("finished refreshing for adding topic {}", topic);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Converts a Java Map to Scala.
 *
 * @param javaMap the java map
 * @param <K>     key type
 * @param <V>     value type
 * @return the scala map.
 */
public static <K, V> scala.collection.immutable.Map<K, V> asScala(Map<K, V> javaMap) {
  return play.utils.Conversions.newMap(
      scala.collection.JavaConverters.mapAsScalaMapConverter(javaMap).asScala().toSeq()
  );
}

代码示例来源：origin: goldmansachs/gs-collections

@Setup
public void setUp()
{
  Random random = new Random(123456789012345L);
  this.elements = new String[this.size];
  this.scalaMap = new PresizableHashMap<>(this.size);
  for (int i = 0; i < this.size; i++)
  {
    String element = RandomStringUtils.random(RANDOM_COUNT, 0, 0, false, true, null, random);
    this.elements[i] = element;
    this.scalaMap.put(element, "dummy");
  }
}

代码示例来源：origin: org.apache.spark/spark-streaming-kafka-0-10

offsets.put(tp1, 23L);
final scala.collection.Map<TopicPartition, Object> sOffsets =
 JavaConverters.mapAsScalaMapConverter(offsets).asScala().mapValues(
  new scala.runtime.AbstractFunction1<Long, Object>() {
   @Override

代码示例来源：origin: guru.nidi/text-transform

public static Object getAttribute(Segment segment, Attribute name) {
  Option<Object> val = segment.attributes().get(name);
  return val instanceof Some ? val.get() : null;
}

代码示例来源：origin: uber/uReplicator

private void tryAddTopic(String topic) {
 scala.collection.mutable.Map<String, scala.collection.Map<Object, Seq<Object>>> partitionAssignmentForTopics =
   _zkUtils.getPartitionAssignmentForTopics(JavaConversions.asScalaBuffer(ImmutableList.of(topic)));
 if (partitionAssignmentForTopics.get(topic).isEmpty()
   || partitionAssignmentForTopics.get(topic).get().size() == 0) {
  LOGGER.info("try to refresh for topic {} but found no topic partition for it", topic);
  return;
 }
 synchronized (_lock) {
  LOGGER.info("starting to refresh for adding topic {}", topic);
  if (!getAllTopics().contains(topic)) {
   try {
    _topicPartitionInfoMap.put(topic, new TopicPartition(topic,
      partitionAssignmentForTopics.get(topic).get().size()));
   } catch (Exception e) {
    LOGGER.warn("Failed to get topicPartition info for {} from kafka zk: {}", topic, e);
   }
  }
  LOGGER.info("finished refreshing for adding topic {}", topic);
 }
}

代码示例来源：origin: goldmansachs/gs-collections

@Benchmark
  public void get()
  {
    int localSize = this.size;
    String[] localElements = this.elements;
    Map<String, String> localScalaAnyRefMap = this.scalaAnyRefMap;

    for (int i = 0; i < localSize; i++)
    {
      if (!localScalaAnyRefMap.get(localElements[i]).isDefined())
      {
        throw new AssertionError(i);
      }
    }
  }
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Converts a Java Map to Scala.
 *
 * @param javaMap the java map
 * @param <K>     key type
 * @param <V>     value type
 * @return the scala map.
 */
public static <K, V> scala.collection.immutable.Map<K, V> asScala(Map<K, V> javaMap) {
  return play.utils.Conversions.newMap(
      scala.collection.JavaConverters.mapAsScalaMapConverter(javaMap).asScala().toSeq()
  );
}

代码示例来源：origin: twosigma/beakerx

@SuppressWarnings("unchecked")
@Override
public Object deserialize(JsonNode n, ObjectMapper mapper) {
 org.apache.commons.lang3.tuple.Pair<String, Object> deserializeObject = TableDisplayDeSerializer.getDeserializeObject(parent, n, mapper);
 String subtype = deserializeObject.getLeft();
 if (subtype != null && subtype.equals(TableDisplay.DICTIONARY_SUBTYPE)) {
  return JavaConverters.mapAsScalaMapConverter((Map<String, Object>) deserializeObject.getRight()).asScala().toMap(Predef.<Tuple2<String, Object>>conforms());
 } else if (subtype != null && subtype.equals(TableDisplay.LIST_OF_MAPS_SUBTYPE)) {
  List<Map<String, Object>> rows = (List<Map<String, Object>>) deserializeObject.getRight();
  List<Object> oo = new ArrayList<Object>();
  for (Map<String, Object> row : rows) {
   oo.add(JavaConverters.mapAsScalaMapConverter(row).asScala().toMap(Predef.<Tuple2<String, Object>>conforms()));
  }
  return scala.collection.JavaConversions.collectionAsScalaIterable(oo);
 } else if (subtype != null && subtype.equals(TableDisplay.MATRIX_SUBTYPE)) {
  List<List<?>> matrix = (List<List<?>>) deserializeObject.getRight();
  ArrayList<Object> ll = new ArrayList<Object>();
  for (List<?> ob : matrix) {
   ll.add(scala.collection.JavaConversions.asScalaBuffer(ob).toList());
  }
  return scala.collection.JavaConversions.asScalaBuffer(ll).toList();
 }
 return deserializeObject.getRight();
}

代码示例来源：origin: goldmansachs/gs-collections

@Benchmark
  public Map<String, String> scalaAnyRef()
  {
    int localSize = this.size;
    String[] localElements = this.elements;

    Map<String, String> scalaAnyRefMap = this.isPresized ? new AnyRefMap<>(localSize) : new AnyRefMap<>();

    for (int i = 0; i < localSize; i++)
    {
      scalaAnyRefMap.put(localElements[i], "dummy");
    }
    return scalaAnyRefMap;
  }
}

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