PollerFrontEnd (OpenNMS 14.0.0 API)

All Known Implementing Classes:

DefaultPollerFrontEnd
```
public interface PollerFrontEnd
```
PollerFrontEnd interface.

Version:

$Id: $

Author:

Mathew Brozowski

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addConfigurationChangedListener(ConfigurationChangedListener l)` Register a listener to listen for events indication a change in the poller configuration
`void`	`addPropertyChangeListener(PropertyChangeListener l)` Register a property change listener.
`void`	`addServicePollStateChangedListener(ServicePollStateChangedListener l)` Register a listener for changes in an attribute of a PolledService
`Collection<OnmsMonitoringLocationDefinition>`	`getMonitoringLocations()` getMonitoringLocations
`String`	`getMonitorName()` Return the monitor name of the poller or null if none exist
`Collection<PolledService>`	`getPolledServices()` getPolledServices
`List<ServicePollState>`	`getPollerPollState()` getPollerPollState
`ServicePollState`	`getServicePollState(int polledServiceId)` Returns the state of polling in this monitor.
`boolean`	`isExitNecessary()` Returns whether some error occurred and an exit is necessary
`boolean`	`isRegistered()` Is the poller currently registered with the server.
`boolean`	`isStarted()` Returns whether or not the poller has been started
`void`	`pollService(Integer polledServiceId)` Poll the service with id polledServiceId and report the results to the server
`void`	`register(String monitoringLocationName)` Register the poller if it has not been registered before.
`void`	`removeConfigurationChangedListener(ConfigurationChangedListener l)` Remove a config change listener
`void`	`removePropertyChangeListener(PropertyChangeListener l)` removePropertyChangeListener
`void`	`removeServicePollStateChangedListener(ServicePollStateChangedListener l)` removeServicePollStateChangedListener
`void`	`setInitialPollTime(Integer polledServiceId, Date initialPollTime)` Set the initial poll time for a polledService
`void`	`stop()` Stop polling.

- Method Detail
  - getMonitoringLocations
```
Collection<OnmsMonitoringLocationDefinition> getMonitoringLocations()
```
    getMonitoringLocations
    
    Returns:
    a Collection object.
  - getPolledServices
```
Collection<PolledService> getPolledServices()
```
    getPolledServices
    
    Returns:
    a Collection object.
  - isRegistered
```
boolean isRegistered()
```
    Is the poller currently registered with the server.
    
    Returns:
    true if and only if the server has been registered
  - getMonitorName
```
String getMonitorName()
```
    Return the monitor name of the poller or null if none exist
    
    Returns:
    a String object.
  - register
```
void register(String monitoringLocationName)
```
    Register the poller if it has not been registered before.
    
    Parameters:
    monitoringLocationName - The name of the monitoring Location definition under which to register this monitor
  - setInitialPollTime
```
void setInitialPollTime(Integer polledServiceId,
                      Date initialPollTime)
```
    Set the initial poll time for a polledService
    
    Parameters:
    polledServiceId - the id of the polledService whose pollTime we are setting
    initialPollTime - the time to set its initialPollTime to
  - pollService
```
void pollService(Integer polledServiceId)
```
    Poll the service with id polledServiceId and report the results to the server
    
    Parameters:
    polledServiceId - The serviceid of the polledService that needs to be polled
  - isStarted
```
boolean isStarted()
```
    Returns whether or not the poller has been started
    
    Returns:
    a boolean.
  - isExitNecessary
```
boolean isExitNecessary()
```
    Returns whether some error occurred and an exit is necessary
    
    Returns:
    a boolean.
  - stop
```
void stop()
```
    Stop polling. This should be called before the system exits.
  - getServicePollState
```
ServicePollState getServicePollState(int polledServiceId)
```
    Returns the state of polling in this monitor.
    
    Parameters:
    polledServiceId - a int.
    
    Returns:
    a ServicePollState object.
  - getPollerPollState
```
List<ServicePollState> getPollerPollState()
```
    getPollerPollState
    
    Returns:
    a List object.
  - addConfigurationChangedListener
```
void addConfigurationChangedListener(ConfigurationChangedListener l)
```
    Register a listener to listen for events indication a change in the poller configuration
    
    Parameters:
    l - a ConfigurationChangedListener object.
  - removeConfigurationChangedListener
```
void removeConfigurationChangedListener(ConfigurationChangedListener l)
```
    Remove a config change listener
    
    Parameters:
    l - a ConfigurationChangedListener object.
  - addPropertyChangeListener
```
void addPropertyChangeListener(PropertyChangeListener l)
```
    Register a property change listener. (for exampe the 'registered' property)
    
    Parameters:
    l - a PropertyChangeListener object.
  - removePropertyChangeListener
```
void removePropertyChangeListener(PropertyChangeListener l)
```
    removePropertyChangeListener
    
    Parameters:
    l - a PropertyChangeListener object.
  - addServicePollStateChangedListener
```
void addServicePollStateChangedListener(ServicePollStateChangedListener l)
```
    Register a listener for changes in an attribute of a PolledService
    
    Parameters:
    l - a ServicePollStateChangedListener object.
  - removeServicePollStateChangedListener
```
void removeServicePollStateChangedListener(ServicePollStateChangedListener l)
```
    removeServicePollStateChangedListener
    
    Parameters:
    l - a ServicePollStateChangedListener object.

Interface PollerFrontEnd

Method Summary

Method Detail

getMonitoringLocations

getPolledServices

isRegistered

getMonitorName

register

setInitialPollTime

pollService

isStarted

isExitNecessary

stop

getServicePollState

getPollerPollState

addConfigurationChangedListener

removeConfigurationChangedListener

addPropertyChangeListener

removePropertyChangeListener

addServicePollStateChangedListener

removeServicePollStateChangedListener