com.timgroup.statsd

Class StatsDAggregator

java.lang.Object

com.timgroup.statsd.StatsDAggregator

public class StatsDAggregator
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected ArrayList<Map<Message,Message>>	aggregateMetrics
protected Set<Message.Type>	aggregateSet
protected String	AGGREGATOR_THREAD_NAME
static int	DEFAULT_FLUSH_INTERVAL
static int	DEFAULT_SHARDS
protected long	flushInterval
protected Timer	scheduler
protected int	shardGranularity

Constructor Summary

Constructors

Constructor and Description
StatsDAggregator(StatsDProcessor processor, int shards, long flushInterval) StatsDAggregtor constructor.

Method Summary

Modifier and Type	Method and Description
boolean	aggregateMessage(Message message) Aggregate a message if possible.
protected void	flush()
long	getFlushInterval()
int	getShardGranularity()
boolean	isTypeAggregate(Message.Type type)
void	start() Start the aggregator flushing scheduler.
void	stop() Stop the aggregator flushing scheduler.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_FLUSH_INTERVAL

public static int DEFAULT_FLUSH_INTERVAL

DEFAULT_SHARDS

public static int DEFAULT_SHARDS

AGGREGATOR_THREAD_NAME

protected final String AGGREGATOR_THREAD_NAME

See Also:

Constant Field Values

aggregateSet

protected final Set<Message.Type> aggregateSet

aggregateMetrics

protected final ArrayList<Map<Message,Message>> aggregateMetrics

shardGranularity

protected final int shardGranularity

flushInterval

protected final long flushInterval

scheduler

protected Timer scheduler

Constructor Detail

StatsDAggregator

public StatsDAggregator(StatsDProcessor processor,
                        int shards,
                        long flushInterval)

StatsDAggregtor constructor.

Parameters:

processor - the message processor, aggregated messages will be queued in the high priority queue.

shards - number of shards for the aggregation map.

flushInterval - flush interval in miliseconds, 0 disables message aggregation.

Method Detail

start

public void start()

Start the aggregator flushing scheduler.

stop

public void stop()

Stop the aggregator flushing scheduler.

isTypeAggregate

public boolean isTypeAggregate(Message.Type type)

aggregateMessage

public boolean aggregateMessage(Message message)

Aggregate a message if possible.

Parameters:

message - the dogstatsd Message we wish to aggregate.

Returns:

a boolean reflecting if the message was aggregated.

getFlushInterval

public final long getFlushInterval()

getShardGranularity

public final int getShardGranularity()

flush

protected void flush()