Class: Ktl::ZookeeperClient

Inherits:
Object
  • Object
show all
Defined in:
lib/ktl/zookeeper_client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(uri, options = {}) ⇒ ZookeeperClient

Returns a new instance of ZookeeperClient.



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# File 'lib/ktl/zookeeper_client.rb', line 7

def initialize(uri, options={})
  @uri = uri
  @threadpool = options[:threadpool] || JavaConcurrent::Executors.new_fixed_thread_pool(CONCURRENCY)
  @utils = options[:utils] || Kafka::Utils::ZkUtils.apply(@uri, 5000, 5000, false)
end

Instance Attribute Details

#utils ⇒ Object (readonly)

Returns the value of attribute utils.



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# File 'lib/ktl/zookeeper_client.rb', line 5

def utils
  @utils
end

Instance Method Details

#all_partitions ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 27

def all_partitions
  @utils.get_all_partitions
end

#all_topics ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 31

def all_topics
  @utils.get_all_topics
end

#broker_ids ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 39

def broker_ids
  @utils.get_sorted_broker_list
end

#brokers ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 35

def brokers
  @utils.get_all_brokers_in_cluster
end

#close ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 18

def close
  @threadpool.shutdown_now if @threadpool
  @utils.close
end

#create_znode(path, data = '') ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 63

def create_znode(path, data='')
  @utils.create_persistent_path(path, data, no_acl)
end

#delete_znode(path, options = {}) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 67

def delete_znode(path, options={})
  if options[:recursive]
    @utils.delete_path_recursive(path)
  else
    @utils.delete_path(path)
  end
end

#exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ktl/zookeeper_client.rb', line 83

def exists?(path)
  @utils.path_exists(path)
end

#get_children(path) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 79

def get_children(path)
  @utils.get_children(path)
end

#leader_and_isr_for(partitions) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 43

def leader_and_isr_for(partitions)
  @utils.get_partition_leader_and_isr_for_topics(@utils.class.create_zk_client(@uri, 5_000, 5_000), partitions)
end

#partitions_being_reassigned ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 55

def partitions_being_reassigned
  @utils.get_partitions_being_reassigned
end

#partitions_for_topics(topics) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 47

def partitions_for_topics(topics)
  request(:get_partitions_for_topics, topics)
end

#raw_client ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 23

def raw_client
  @utils
end

#read_data(path) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 75

def read_data(path)
  @utils.read_data(path)
end

#reassign_partitions(json) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 59

def reassign_partitions(json)
  @utils.create_persistent_path(@utils.class.reassign_partitions_path, json, no_acl)
end

#replica_assignment_for_topics(topics) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 51

def replica_assignment_for_topics(topics)
  request(:get_replica_assignment_for_topics, topics)
end

#setup ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 13

def setup
  @submit = @threadpool.java_method(:submit, [java.lang.Class.for_name('java.util.concurrent.Callable')])
  self
end

#unsubscribe_data(path, listener) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 99

def unsubscribe_data(path, listener)
  zk_client.unsubscribe_data_changes(path, listener)
end

#watch_child(path, listener) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 95

def watch_child(path, listener)
  zk_client.subscribe_child_changes(path, listener)
end

#watch_data(path, listener) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 91

def watch_data(path, listener)
  zk_client.subscribe_data_changes(path, listener)
end

#watch_state(path, listener) ⇒ Object 



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# File 'lib/ktl/zookeeper_client.rb', line 87

def watch_state(path, listener)
  zk_client.subscribe_state_changes(path, listener)
end