Package org.apache.druid.java.util.emitter.service

Class ServiceEmitter

java.lang.Object

org.apache.druid.java.util.emitter.service.ServiceEmitter

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable, Emitter

public class ServiceEmitter
extends Object
implements Emitter

Constructor Summary

Constructors

Constructor	Description
ServiceEmitter(String service, String host, Emitter emitter)
ServiceEmitter(String service, String host, Emitter emitter, com.google.common.collect.ImmutableMap<String,String> otherServiceDimensions)

Method Summary

Modifier and Type	Method	Description
void	close()
void	emit(Event event)	Emit an event.
<E extends Event> void	emit(ServiceEventBuilder<E> builder)
void	flush()
void	start()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceEmitter

public ServiceEmitter(String service,
                      String host,
                      Emitter emitter)

ServiceEmitter

public ServiceEmitter(String service,
                      String host,
                      Emitter emitter,
                      com.google.common.collect.ImmutableMap<String,String> otherServiceDimensions)

Method Detail

start

public void start()

Specified by:

start in interface Emitter

emit

public void emit(Event event)

Description copied from interface: Emitter

Emit an event. This method must not throw exceptions or block. If an implementation receives too many events and internal queues fill up, it should drop events rather than blocking or consuming excessive memory. If an implementation receives input it considers to be invalid, or has an internal problem, it should deal with that by logging a warning rather than throwing an exception. Implementations that log warnings should consider throttling warnings to avoid excessive logs, since a busy Druid cluster can emit a high volume of metric events.

Specified by:

emit in interface Emitter

emit

public <E extends Event> void emit(ServiceEventBuilder<E> builder)

flush

public void flush()
           throws IOException

Specified by:

flush in interface Emitter

Specified by:

flush in interface Flushable

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface Emitter

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object