public abstract class AbstractHBaseBolt extends BaseRichBolt
Modifier and Type | Field and Description |
---|---|
protected OutputCollector |
collector |
protected String |
configKey |
protected HBaseClient |
hBaseClient |
protected HBaseMapper |
mapper |
protected String |
tableName |
Constructor and Description |
---|
AbstractHBaseBolt(String tableName,
HBaseMapper mapper) |
Modifier and Type | Method and Description |
---|---|
void |
prepare(Map map,
TopologyContext topologyContext,
OutputCollector collector)
Called when a task for this component is initialized within a worker on the cluster.
|
cleanup
getComponentConfiguration
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
declareOutputFields, getComponentConfiguration
protected OutputCollector collector
protected transient HBaseClient hBaseClient
protected String tableName
protected HBaseMapper mapper
protected String configKey
public AbstractHBaseBolt(String tableName, HBaseMapper mapper)
public void prepare(Map map, TopologyContext topologyContext, OutputCollector collector)
IBolt
This includes the:
map
- The Storm configuration for this bolt. This is the configuration provided to the topology merged in with cluster configuration on this machine.topologyContext
- This object can be used to get information about this task's place within the topology, including the task id and component id of this task, input and output information, etc.collector
- The collector is used to emit tuples from this bolt. Tuples can be emitted at any time, including the prepare and cleanup methods. The collector is thread-safe and should be saved as an instance variable of this bolt object.Copyright © 2016 The Apache Software Foundation. All Rights Reserved.