org.apache.solr.cloud.autoscaling

Class NodeAddedTrigger

java.lang.Object

org.apache.solr.cloud.autoscaling.TriggerBase

org.apache.solr.cloud.autoscaling.NodeAddedTrigger

All Implemented Interfaces:

Closeable, AutoCloseable, Runnable, AutoScaling.Trigger

public class NodeAddedTrigger
extends TriggerBase

Trigger for the TriggerEventType.NODEADDED event

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NodeAddedTrigger.NodeAddedEvent

Field Summary

Fields inherited from class org.apache.solr.cloud.autoscaling.TriggerBase

actions, cloudManager, enabled, eventType, isClosed, lastState, name, processorRef, properties, stateManager, waitForSecond

Constructor Summary

Constructors

Constructor and Description
NodeAddedTrigger(String name, Map<String,Object> properties, SolrResourceLoader loader, SolrCloudManager cloudManager)

Method Summary

Modifier and Type	Method and Description
protected Map<String,Object>	getState() Prepare and return internal state of this trigger in a format suitable for persisting in ZK.
void	init() Called before a trigger is scheduled.
void	restoreState(AutoScaling.Trigger old) Set internal state of this trigger from another instance.
void	run()
protected void	setState(Map<String,Object> state) Restore internal state of this trigger from properties retrieved from ZK.

Methods inherited from class org.apache.solr.cloud.autoscaling.TriggerBase

close, equals, getActions, getEventType, getName, getProcessor, getProperties, getWaitForSecond, hashCode, isClosed, isEnabled, restoreState, saveState, setProcessor

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeAddedTrigger

public NodeAddedTrigger(String name,
                        Map<String,Object> properties,
                        SolrResourceLoader loader,
                        SolrCloudManager cloudManager)

Method Detail

init

public void init()

Description copied from interface: AutoScaling.Trigger

Called before a trigger is scheduled. Any heavy object creation or initialisation should be done in this method instead of the Trigger's constructor.

Specified by:

init in interface AutoScaling.Trigger

Overrides:

init in class TriggerBase

restoreState

public void restoreState(AutoScaling.Trigger old)

Description copied from interface: AutoScaling.Trigger

Set internal state of this trigger from another instance.

getState

protected Map<String,Object> getState()

Description copied from class: TriggerBase

Prepare and return internal state of this trigger in a format suitable for persisting in ZK.

Specified by:

getState in class TriggerBase

Returns:

map of internal state properties. Note: values must be supported by Utils.toJSON(Object).

setState

protected void setState(Map<String,Object> state)

Description copied from class: TriggerBase

Restore internal state of this trigger from properties retrieved from ZK.

Specified by:

setState in class TriggerBase

Parameters:

state - never null but may be empty.

run

public void run()