Package org.apache.cassandra.schema

Class SchemaPushVerbHandler

java.lang.Object

org.apache.cassandra.schema.SchemaPushVerbHandler

All Implemented Interfaces:

IVerbHandler<Collection<Mutation>>

public final class SchemaPushVerbHandler
extends Object
implements IVerbHandler<Collection<Mutation>>

Called when node receives updated schema state from the schema migration coordinator node. Such happens when user makes local schema migration on one of the nodes in the ring (which is going to act as coordinator) and that node sends (pushes) it's updated schema state (in form of mutations) to all the alive nodes in the cluster.

Field Summary

Fields

Modifier and Type	Field	Description
static final SchemaPushVerbHandler	instance

Constructor Summary

Constructors

Constructor	Description
SchemaPushVerbHandler()

Method Summary

Modifier and Type	Method	Description
void	doVerb(Message<Collection<Mutation>> message)	This method delivers a message to the implementing class (if the implementing class was registered by a call to MessagingService.registerVerbHandlers).
void	register(Consumer<Message<Collection<Mutation>>> handler)

Methods inherited from class java.lang.Object

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

Field Details

instance

public static final SchemaPushVerbHandler instance

Constructor Details

SchemaPushVerbHandler

public SchemaPushVerbHandler()

Method Details

register

public void register(Consumer<Message<Collection<Mutation>>> handler)

doVerb

public void doVerb(Message<Collection<Mutation>> message)

Description copied from interface: IVerbHandler

This method delivers a message to the implementing class (if the implementing class was registered by a call to MessagingService.registerVerbHandlers). Note that the caller should not be holding any locks when calling this method because the implementation may be synchronized.

Specified by:

doVerb in interface IVerbHandler<Collection<Mutation>>

Parameters:

message - - incoming message that needs handling.