EventListenerMBean (Jackrabbit Oak 1.44.0 API)

```
public interface EventListenerMBean
```
MBean interface for exposing information about a registered observation listener.

See Also:

JCR-3608

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`java.lang.String`	`getAbsPath()` Absolute path of the listener registration
`java.lang.String`	`getClassName()` Class name of the event listener
`javax.management.openmbean.CompositeData`	`getEventConsumerTime()`
`double`	`getEventConsumerTimeRatio()` Ratio of time spent in event listener vs.
`javax.management.openmbean.CompositeData`	`getEventCount()`
`long`	`getEventDeliveries()` Number of `onEvent()` calls made on the listener
`long`	`getEventDeliveriesPerHour()` Average number of `onEvent()` calls per hour
`javax.management.openmbean.CompositeData`	`getEventProducerTime()`
`long`	`getEventsDelivered()` Number of individual events delivered to the listener
`long`	`getEventsDeliveredPerHour()` Average number of individual events delivered per hour
`int`	`getEventTypes()` Event types of the listener registration
`java.lang.String`	`getInitStackTrace()` Stack trace of where the listener was registered
`long`	`getMicrosecondsPerEventDelivered()` Average time (in microseconds) taken per event delivered
`long`	`getMicrosecondsPerEventDelivery()` Average time (in microseconds) taken per `onEvent()` call
`java.lang.String[]`	`getNodeTypeName()` Node types of the listener registration
`long`	`getQueueBacklogMillis()` The time difference between the current system time and the head (oldest) element in the queue in milliseconds.
`javax.management.openmbean.CompositeData`	`getQueueLength()` `time series` of the number of items related to generating observation events that are currently queued by the system.
`double`	`getRatioOfTimeSpentProcessingEvents()` Ratio of time spent in event processing
`java.lang.String`	`getToString()` toString of the event listener
`java.lang.String[]`	`getUuid()` UUIDs of the listener registration
`boolean`	`isDateAccessedFromExternalEvent()` Is date information accessed from an external event?
`boolean`	`isDateAccessedWithoutExternalsCheck()` Is date information accessed without checking if an event is external?
`boolean`	`isDeep()` Whether the listener registration is deep
`boolean`	`isNoLocal()` Whether the listener registration is non-local
`boolean`	`isUserInfoAccessedFromExternalEvent()` Is user information accessed from an external event?
`boolean`	`isUserInfoAccessedWithoutExternalsCheck()` Is user information accessed without checking if an event is external?

- Method Detail
  - getClassName
```
java.lang.String getClassName()
```
    Class name of the event listener
  - getToString
```
java.lang.String getToString()
```
    toString of the event listener
  - getInitStackTrace
```
java.lang.String getInitStackTrace()
```
    Stack trace of where the listener was registered
  - getEventTypes
```
int getEventTypes()
```
    Event types of the listener registration
  - getAbsPath
```
java.lang.String getAbsPath()
```
    Absolute path of the listener registration
  - isDeep
```
boolean isDeep()
```
    Whether the listener registration is deep
  - getUuid
```
java.lang.String[] getUuid()
```
    UUIDs of the listener registration
  - getNodeTypeName
```
java.lang.String[] getNodeTypeName()
```
    Node types of the listener registration
  - isNoLocal
```
boolean isNoLocal()
```
    Whether the listener registration is non-local
  - getEventDeliveries
```
long getEventDeliveries()
```
    Number of onEvent() calls made on the listener
  - getEventDeliveriesPerHour
```
long getEventDeliveriesPerHour()
```
    Average number of onEvent() calls per hour
  - getMicrosecondsPerEventDelivery
```
long getMicrosecondsPerEventDelivery()
```
    Average time (in microseconds) taken per onEvent() call
  - getEventsDelivered
```
long getEventsDelivered()
```
    Number of individual events delivered to the listener
  - getEventsDeliveredPerHour
```
long getEventsDeliveredPerHour()
```
    Average number of individual events delivered per hour
  - getMicrosecondsPerEventDelivered
```
long getMicrosecondsPerEventDelivered()
```
    Average time (in microseconds) taken per event delivered
  - getRatioOfTimeSpentProcessingEvents
```
double getRatioOfTimeSpentProcessingEvents()
```
    Ratio of time spent in event processing
  - getEventConsumerTimeRatio
```
double getEventConsumerTimeRatio()
```
    Ratio of time spent in event listener vs. the overall event processing
  - isUserInfoAccessedWithoutExternalsCheck
```
boolean isUserInfoAccessedWithoutExternalsCheck()
```
    Is user information accessed without checking if an event is external?
  - isUserInfoAccessedFromExternalEvent
```
boolean isUserInfoAccessedFromExternalEvent()
```
    Is user information accessed from an external event?
  - isDateAccessedWithoutExternalsCheck
```
boolean isDateAccessedWithoutExternalsCheck()
```
    Is date information accessed without checking if an event is external?
  - isDateAccessedFromExternalEvent
```
boolean isDateAccessedFromExternalEvent()
```
    Is date information accessed from an external event?
  - getQueueBacklogMillis
```
long getQueueBacklogMillis()
```
    The time difference between the current system time and the head (oldest) element in the queue in milliseconds. This method returns zero if the queue is empty.
  - getQueueLength
```
javax.management.openmbean.CompositeData getQueueLength()
```
    time series of the number of items related to generating observation events that are currently queued by the system. The exact nature of these items is implementation specific and might not be in a one to one relation with the number of pending JCR events.
    
    Returns:
    
    time series of the queue length
  - getEventCount
```
javax.management.openmbean.CompositeData getEventCount()
```
    Returns:
    
    time series of the number of JCR events
  - getEventConsumerTime
```
javax.management.openmbean.CompositeData getEventConsumerTime()
```
    Returns:
    
    time series of the time it took an event listener to process JCR events.
  - getEventProducerTime
```
javax.management.openmbean.CompositeData getEventProducerTime()
```
    Returns:
    
    time series of the time it took the system to produce JCR events.

Interface EventListenerMBean

Method Summary

Method Detail

getClassName

getToString

getInitStackTrace

getEventTypes

getAbsPath

isDeep

getUuid

getNodeTypeName

isNoLocal

getEventDeliveries

getEventDeliveriesPerHour

getMicrosecondsPerEventDelivery

getEventsDelivered

getEventsDeliveredPerHour

getMicrosecondsPerEventDelivered

getRatioOfTimeSpentProcessingEvents

getEventConsumerTimeRatio

isUserInfoAccessedWithoutExternalsCheck

isUserInfoAccessedFromExternalEvent

isDateAccessedWithoutExternalsCheck

isDateAccessedFromExternalEvent

getQueueBacklogMillis

getQueueLength

getEventCount

getEventConsumerTime

getEventProducerTime