ITaskHook (Heron Api Documentation)

All Known Implementing Classes:

BaseTaskHook
```
public interface ITaskHook
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`boltAck(BoltAckInfo info)`	Called in bolt everytime a tuple gets acked
`void`	`boltExecute(BoltExecuteInfo info)`	Called in bolt everytime a tuple gets executed
`void`	`boltFail(BoltFailInfo info)`	Called in bolt everytime a tuple gets failed
`void`	`cleanup()`	Called just before the spout/bolt's cleanup method is called.
`void`	`emit(EmitInfo info)`	Called everytime a tuple is emitted in spout/bolt
`void`	`prepare(Map<String,Object> conf, TopologyContext context)`	Called after the spout/bolt's open/prepare method is called conf is the Config thats passed to the topology
`void`	`spoutAck(SpoutAckInfo info)`	Called in spout everytime a tuple gets acked
`void`	`spoutFail(SpoutFailInfo info)`	Called in spout everytime a tuple gets failed

- Method Detail
  - prepare
```
void prepare(Map<String,Object> conf,
             TopologyContext context)
```
    Called after the spout/bolt's open/prepare method is called conf is the Config thats passed to the topology
  - cleanup
```
void cleanup()
```
    Called just before the spout/bolt's cleanup method is called.
  - emit
```
void emit(EmitInfo info)
```
    Called everytime a tuple is emitted in spout/bolt
  - spoutAck
```
void spoutAck(SpoutAckInfo info)
```
    Called in spout everytime a tuple gets acked
  - spoutFail
```
void spoutFail(SpoutFailInfo info)
```
    Called in spout everytime a tuple gets failed
  - boltExecute
```
void boltExecute(BoltExecuteInfo info)
```
    Called in bolt everytime a tuple gets executed
  - boltAck
```
void boltAck(BoltAckInfo info)
```
    Called in bolt everytime a tuple gets acked
  - boltFail
```
void boltFail(BoltFailInfo info)
```
    Called in bolt everytime a tuple gets failed