com.haulmont.cuba.core.app

Class ClusterListenerAdapter<T>

java.lang.Object

com.haulmont.cuba.core.app.ClusterListenerAdapter<T>

All Implemented Interfaces:

ClusterListener<T>

public abstract class ClusterListenerAdapter<T>
extends java.lang.Object
implements ClusterListener<T>

Adapter containing default implementation for simple cluster listeners that don't need state transfer.

Constructor Summary

Constructors

Constructor and Description
ClusterListenerAdapter()

Method Summary

Modifier and Type	Method and Description
byte[]	getState() Get state of this cluster node to send it to other nodes.
void	setState(byte[] state) Set state of this cluster node receiving it from other active node.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.haulmont.cuba.core.app.ClusterListener

receive

Constructor Detail

ClusterListenerAdapter

public ClusterListenerAdapter()

Method Detail

getState

public byte[] getState()

Description copied from interface: ClusterListener

Get state of this cluster node to send it to other nodes. "State" here means data that must be shared between cluster nodes.

This method is invoked by clustering implementation when a new node joins the cluster and wants to receive the state from this active node.

Specified by:

getState in interface ClusterListener<T>

Returns:

byte array containing the state

setState

public void setState(byte[] state)

Description copied from interface: ClusterListener

Set state of this cluster node receiving it from other active node. "State" here means data that must be shared between cluster nodes.

This method is invoked by clustering implementation once when this node joins the cluster.

Specified by:

setState in interface ClusterListener<T>

Parameters:

state - byte array containing the state