CaptureCollector (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.trident.operation.impl.CaptureCollector

All Implemented Interfaces:: TridentCollector

public class CaptureCollector
extends Object
implements TridentCollector

Field Summary

Fields
Modifier and Type Field Description

List<List<Object>> captured

Constructor Summary

Constructors
Constructor Description

CaptureCollector()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`emit(List<Object> values)`	Emits a tuple to a Stream.
`void`	`flush()`	Flush any buffered tuples (when batching is enabled).
`void`	`reportError(Throwable t)`	Reports an error.
`void`	`setCollector(TridentCollector coll)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - captured
```
public List<List<Object>> captured
```
- Constructor Detail
  - CaptureCollector
```
public CaptureCollector()
```
- Method Detail
  - setCollector
```
public void setCollector(TridentCollector coll)
```
  - emit
```
public void emit(List<Object> values)
```
    Description copied from interface: TridentCollector
    
    Emits a tuple to a Stream.
    
    Specified by:
    
    emit in interface TridentCollector
    
    Parameters:
    
    values - a list of values of which the tuple will be composed
  - flush
```
public void flush()
```
    Description copied from interface: TridentCollector
    
    Flush any buffered tuples (when batching is enabled).
    
    Specified by:
    
    flush in interface TridentCollector
  - reportError
```
public void reportError(Throwable t)
```
    Description copied from interface: TridentCollector
    
    Reports an error. The corresponding stack trace will be visible in the Storm UI.
    Note that calling this method does not alter the processing of a batch. To explicitly fail a batch and trigger a replay, components should throw FailedException.
    
    Specified by:
    
    reportError in interface TridentCollector
    
    Parameters:
    
    t - The instance of the error (Throwable) being reported.