org.apache.storm.mongodb.trident.state

Class MongoState

java.lang.Object

org.apache.storm.mongodb.trident.state.MongoState

All Implemented Interfaces:

State

public class MongoState
extends Object
implements State

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MongoState.Options

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MongoState(Map<String,Object> map, MongoState.Options options)

Method Summary

Modifier and Type	Method and Description
List<List<Values>>	batchRetrieve(List<TridentTuple> tridentTuples) Batch retrieve values.
void	beginCommit(Long txid)
void	commit(Long txid)
protected void	prepare()
void	updateState(List<TridentTuple> tuples, TridentCollector collector) Update Mongo state.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MongoState

protected MongoState(Map<String,Object> map,
                     MongoState.Options options)

Method Detail

prepare

protected void prepare()

beginCommit

public void beginCommit(Long txid)

Specified by:

beginCommit in interface State

commit

public void commit(Long txid)

Specified by:

commit in interface State

updateState

public void updateState(List<TridentTuple> tuples,
                        TridentCollector collector)

Update Mongo state.

Parameters:

tuples - trident tuples

collector - trident collector

batchRetrieve

public List<List<Values>> batchRetrieve(List<TridentTuple> tridentTuples)

Batch retrieve values.

Parameters:

tridentTuples - trident tuples

Returns:

values