Uses of Package
org.apache.storm.task

Packages that use org.apache.storm.task

Package	Description
org.apache.storm.bolt
org.apache.storm.cassandra
org.apache.storm.cassandra.bolt
org.apache.storm.cassandra.executor
org.apache.storm.cassandra.executor.impl
org.apache.storm.cassandra.trident.state
org.apache.storm.clojure
org.apache.storm.coordination
org.apache.storm.drpc
org.apache.storm.druid.bolt
org.apache.storm.druid.trident
org.apache.storm.elasticsearch.bolt
org.apache.storm.elasticsearch.trident
org.apache.storm.eventhubs.bolt
org.apache.storm.eventhubs.samples.bolt
org.apache.storm.eventhubs.spout
org.apache.storm.eventhubs.trident
org.apache.storm.flux.wrappers.bolts
org.apache.storm.grouping
org.apache.storm.hbase.bolt
org.apache.storm.hbase.state
org.apache.storm.hbase.topology
org.apache.storm.hbase.trident.state
org.apache.storm.hdfs.bolt
org.apache.storm.hdfs.bolt.format
org.apache.storm.hdfs.spout
org.apache.storm.hdfs.trident
org.apache.storm.hive.bolt
org.apache.storm.hive.trident
org.apache.storm.hooks
org.apache.storm.jdbc.bolt
org.apache.storm.jdbc.spout
org.apache.storm.jdbc.trident.state
org.apache.storm.jms.bolt
org.apache.storm.jms.example
org.apache.storm.jms.spout
org.apache.storm.jms.trident
org.apache.storm.kafka
org.apache.storm.kafka.bolt
org.apache.storm.kafka.spout
org.apache.storm.kafka.spout.internal
org.apache.storm.kafka.spout.trident
org.apache.storm.kafka.trident
org.apache.storm.kinesis.spout
org.apache.storm.messaging
org.apache.storm.metric
org.apache.storm.metric.api
org.apache.storm.metrics2
org.apache.storm.mongodb.bolt
org.apache.storm.mongodb.topology
org.apache.storm.mongodb.trident.state
org.apache.storm.mqtt.bolt
org.apache.storm.mqtt.spout
org.apache.storm.multilang
org.apache.storm.opentsdb
org.apache.storm.opentsdb.bolt
org.apache.storm.opentsdb.trident
org.apache.storm.perf.bolt
org.apache.storm.perf.spout
org.apache.storm.perf.utils
org.apache.storm.planner
org.apache.storm.pmml
org.apache.storm.redis.bolt
org.apache.storm.redis.state
org.apache.storm.redis.topology
org.apache.storm.redis.trident.state
org.apache.storm.serialization
org.apache.storm.solr.bolt
org.apache.storm.solr.spout
org.apache.storm.solr.trident
org.apache.storm.spout
org.apache.storm.sql.runtime.datasource.socket.trident
org.apache.storm.starter
org.apache.storm.starter.bolt
org.apache.storm.starter.spout
org.apache.storm.starter.trident
org.apache.storm.state
org.apache.storm.task
org.apache.storm.testing
org.apache.storm.topology
org.apache.storm.topology.base
org.apache.storm.transactional
org.apache.storm.transactional.partitioned
org.apache.storm.trident.operation
org.apache.storm.trident.partition
org.apache.storm.trident.planner
org.apache.storm.trident.planner.processor
org.apache.storm.trident.spout
org.apache.storm.trident.state
org.apache.storm.trident.testing
org.apache.storm.trident.topology
org.apache.storm.trident.windowing
org.apache.storm.tuple
org.apache.storm.utils

Classes in org.apache.storm.task used by org.apache.storm.bolt

Class and Description
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.cassandra

Class and Description
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
WorkerTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.cassandra.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.cassandra.executor

Class and Description
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.

Classes in org.apache.storm.task used by org.apache.storm.cassandra.executor.impl

Class and Description
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.

Classes in org.apache.storm.task used by org.apache.storm.cassandra.trident.state

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.clojure

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
ShellBolt A bolt that shells out to another process to process tuples.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.coordination

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
IErrorReporter
IOutputCollector
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.drpc

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.druid.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
IMetricsContext
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.druid.trident

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.elasticsearch.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.elasticsearch.trident

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.eventhubs.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.eventhubs.samples.bolt

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.eventhubs.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.eventhubs.trident

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.flux.wrappers.bolts

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
ShellBolt A bolt that shells out to another process to process tuples.

Classes in org.apache.storm.task used by org.apache.storm.grouping

Class and Description
WorkerTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.hbase.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hbase.state

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hbase.topology

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hbase.trident.state

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.hdfs.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hdfs.bolt.format

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hdfs.spout

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hdfs.trident

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.hive.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hive.trident

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.hooks

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.
WorkerTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.jdbc.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.jdbc.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.jdbc.trident.state

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.jms.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.jms.example

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.jms.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.jms.trident

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.kafka

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.kafka.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.kafka.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.kafka.spout.internal

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.kafka.spout.trident

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.kafka.trident

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.kinesis.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.messaging

Class and Description
GeneralTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.metric

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
IErrorReporter
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.metric.api

Class and Description
IErrorReporter
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.metrics2

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.
WorkerTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.mongodb.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.mongodb.topology

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.mongodb.trident.state

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.mqtt.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.mqtt.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.multilang

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.opentsdb

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.opentsdb.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.opentsdb.trident

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.perf.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.perf.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.perf.utils

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.planner

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.

Classes in org.apache.storm.task used by org.apache.storm.pmml

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.redis.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.redis.state

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.redis.topology

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.redis.trident.state

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.serialization

Class and Description
GeneralTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.solr.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.solr.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.solr.trident

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.spout

Class and Description
IErrorReporter
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.sql.runtime.datasource.socket.trident

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.starter

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
ShellBolt A bolt that shells out to another process to process tuples.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.starter.bolt

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.starter.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.starter.trident

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.state

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.task

Class and Description
GeneralTopologyContext
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
IErrorReporter
IMetricsContext
IOutputCollector
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
ShellBolt A bolt that shells out to another process to process tuples.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.
WorkerTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.testing

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
IErrorReporter
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
ShellBolt A bolt that shells out to another process to process tuples.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.
WorkerTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.topology

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
IErrorReporter
IOutputCollector
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.topology.base

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.transactional

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.transactional.partitioned

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.trident.operation

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.trident.partition

Class and Description
WorkerTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.trident.planner

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.trident.planner.processor

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.trident.spout

Class and Description
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.trident.state

Class and Description
IMetricsContext

Classes in org.apache.storm.task used by org.apache.storm.trident.testing

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.trident.topology

Class and Description
IBolt An IBolt represents a component that takes tuples as input and produces tuples as output.
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.trident.windowing

Class and Description
IMetricsContext
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.

Classes in org.apache.storm.task used by org.apache.storm.tuple

Class and Description
GeneralTopologyContext

Classes in org.apache.storm.task used by org.apache.storm.utils

Class and Description
OutputCollector This output collector exposes the API for emitting tuples from an IRichBolt.
TopologyContext A TopologyContext is given to bolts and spouts in their prepare() and open() methods, respectively.