Package org.springframework.geode.distributed.event

Class ApplicationContextMembershipListener

java.lang.Object

org.springframework.geode.distributed.event.MembershipListenerAdapter<ApplicationContextMembershipListener>

org.springframework.geode.distributed.event.ApplicationContextMembershipListener

All Implemented Interfaces:

EventListener, org.apache.geode.distributed.internal.MembershipListener

public class ApplicationContextMembershipListener
extends MembershipListenerAdapter<ApplicationContextMembershipListener>

The ApplicationContextMembershipListener class is an extension of MembershipListenerAdapter used to adapt the ConfigurableApplicationContext to handle and process membership events, and specifically MemberDepartedEvent and MemberJoinedEvent, by closing and refreshing the ConfigurableApplicationContext when the peer member departs and joins the cluster.

Since:

1.3.0

See Also:

• DistributedMember
• DistributedSystem
• ConfigurableApplicationContext
• MemberDepartedEvent
• MemberJoinedEvent

Constructor Summary

Constructors

Constructor	Description
ApplicationContextMembershipListener(org.springframework.context.ConfigurableApplicationContext applicationContext)	Constructs a new instance of ConfigurableApplicationContext initialized with the given ConfigurableApplicationContext.

Method Summary

Modifier and Type	Method	Description
protected org.springframework.context.ConfigurableApplicationContext	getApplicationContext()	Returns a reference to the configured ConfigurableApplicationContext.
void	handleMemberDeparted(MemberDepartedEvent event)	Handles the membership event when a peer member departs from the cluster by calling ConfigurableApplicationContext.close().
void	handleMemberJoined(MemberJoinedEvent event)	Handles the membership event when a peer member joins the cluster by calling ConfigurableApplicationContext.refresh().

Methods inherited from class org.springframework.geode.distributed.event.MembershipListenerAdapter

handleMemberSuspect, handleQuorumLost, memberDeparted, memberJoined, memberSuspect, quorumLost, register

Methods inherited from class java.lang.Object

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

Constructor Details

ApplicationContextMembershipListener

public ApplicationContextMembershipListener(@NonNull
 org.springframework.context.ConfigurableApplicationContext applicationContext)

Constructs a new instance of ConfigurableApplicationContext initialized with the given ConfigurableApplicationContext.

Parameters:

applicationContext - configured ConfigurableApplicationContext; must not be null.

Throws:

IllegalArgumentException - if ConfigurableApplicationContext is null.

See Also:

• ConfigurableApplicationContext

Method Details

getApplicationContext

@NonNull
protected org.springframework.context.ConfigurableApplicationContext getApplicationContext()

Returns a reference to the configured ConfigurableApplicationContext.

Returns:

a reference to the configured ConfigurableApplicationContext.

See Also:

• ConfigurableApplicationContext

handleMemberDeparted

public void handleMemberDeparted(MemberDepartedEvent event)

Handles the membership event when a peer member departs from the cluster by calling ConfigurableApplicationContext.close().

Overrides:

handleMemberDeparted in class MembershipListenerAdapter<ApplicationContextMembershipListener>

Parameters:

event - MemberDepartedEvent to handle.

See Also:

• MemberDepartedEvent
• ConfigurableApplicationContext.close()

handleMemberJoined

public void handleMemberJoined(MemberJoinedEvent event)

Handles the membership event when a peer member joins the cluster by calling ConfigurableApplicationContext.refresh().

Overrides:

handleMemberJoined in class MembershipListenerAdapter<ApplicationContextMembershipListener>

Parameters:

event - MemberJoinedEvent to handle.

See Also:

• MemberJoinedEvent
• ConfigurableApplicationContext.refresh()