org.apache.kafka.common.utils
Class CollectionUtils

java.lang.Object
  org.apache.kafka.common.utils.CollectionUtils

public class CollectionUtils
extends java.lang.Object

Constructor Summary

CollectionUtils()

Method Summary

static java.util.Map<java.lang.String,java.util.List<java.lang.Integer>>	groupDataByTopic(java.util.List<TopicPartition> partitions) group partitions by topic
static <T> java.util.Map<java.lang.String,java.util.Map<java.lang.Integer,T>>	groupDataByTopic(java.util.Map<TopicPartition,T> data) group data by topic

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

groupDataByTopic

public static <T> java.util.Map<java.lang.String,java.util.Map<java.lang.Integer,T>> groupDataByTopic(java.util.Map<TopicPartition,T> data)

group data by topic

Type Parameters:

T - Partition data type

Parameters:

data - Data to be partitioned

Returns:

partitioned data

groupDataByTopic

public static java.util.Map<java.lang.String,java.util.List<java.lang.Integer>> groupDataByTopic(java.util.List<TopicPartition> partitions)

group partitions by topic

Parameters:

partitions -

Returns:

partitions per topic