Package org.apache.catalina.ha
Class ClusterListener
- java.lang.Object
-
- org.apache.catalina.ha.ClusterListener
-
- All Implemented Interfaces:
ChannelListener
- Direct Known Subclasses:
ClusterSessionListener
,FarmWarDeployer
public abstract class ClusterListener extends java.lang.Object implements ChannelListener
Receive SessionID cluster change from other backup node after primary session node is failed.- Author:
- Peter Rossbach
-
-
Field Summary
Fields Modifier and Type Field Description protected CatalinaCluster
cluster
-
Constructor Summary
Constructors Constructor Description ClusterListener()
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description boolean
accept(java.io.Serializable msg, Member member)
Invoked by the channel to determine if the listener will process this message or not.abstract boolean
accept(ClusterMessage msg)
Accept only a certain type of messages.CatalinaCluster
getCluster()
void
messageReceived(java.io.Serializable msg, Member member)
Receive a message from the channelabstract void
messageReceived(ClusterMessage msg)
Callback from the cluster, when a message is received, The cluster will broadcast it invoking the messageReceived on the receiver.void
setCluster(CatalinaCluster cluster)
-
-
-
Field Detail
-
cluster
protected CatalinaCluster cluster
-
-
Method Detail
-
getCluster
public CatalinaCluster getCluster()
-
setCluster
public void setCluster(CatalinaCluster cluster)
-
messageReceived
public final void messageReceived(java.io.Serializable msg, Member member)
Description copied from interface:ChannelListener
Receive a message from the channel- Specified by:
messageReceived
in interfaceChannelListener
- Parameters:
msg
- Serializablemember
- - the source of the message
-
accept
public final boolean accept(java.io.Serializable msg, Member member)
Description copied from interface:ChannelListener
Invoked by the channel to determine if the listener will process this message or not.- Specified by:
accept
in interfaceChannelListener
- Parameters:
msg
- Serializablemember
- Member- Returns:
- boolean
-
messageReceived
public abstract void messageReceived(ClusterMessage msg)
Callback from the cluster, when a message is received, The cluster will broadcast it invoking the messageReceived on the receiver.- Parameters:
msg
- the message received from the cluster
-
accept
public abstract boolean accept(ClusterMessage msg)
Accept only a certain type of messages.- Parameters:
msg
- the message- Returns:
true
to indicate that messageReceived should be invoked. Iffalse
is returned, the messageReceived method will not be invoked.
-
-