Interface VisitableCommand

All Superinterfaces:

org.infinispan.commands.remote.CacheRpcCommand, ReplicableCommand, TracedCommand, VersionAware

All Known Subinterfaces:

DataCommand, FlagAffectedCommand

All Known Implementing Classes:

org.infinispan.commands.read.AbstractDataCommand, AbstractFlagAffectedCommand, AbstractTopologyAffectedCommand, TouchCommand

public interface VisitableCommand
extends org.infinispan.commands.remote.CacheRpcCommand

A type of command that can accept Visitors, such as DDAsyncInterceptor.

Since:

4.0

Author:

Manik Surtani (manik@jboss.org)

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static enum	VisitableCommand.LoadType

Field Summary

Fields

Modifier and Type	Field	Description
static final org.infinispan.util.logging.Log	log

Method Summary

Modifier and Type	Method	Description
Object	acceptVisitor(InvocationContext ctx, Visitor visitor)	Accept a visitor, and return the result of accepting this visitor.
default void	init(ComponentRegistry registry)
default CompletionStage<?>	invokeAsync(ComponentRegistry registry)
VisitableCommand.LoadType	loadType()

Methods inherited from interface org.infinispan.commands.ReplicableCommand

getCommandId, isReturnValueExpected, isSuccessful, logThrowable, readFrom, supportedSince, writeTo

Methods inherited from interface org.infinispan.commands.TracedCommand

getOperationName, getSpanAttributes, setSpanAttributes

Field Details

log

static final org.infinispan.util.logging.Log log

Method Details

init

default void init(ComponentRegistry registry)

invokeAsync

default CompletionStage<?> invokeAsync(ComponentRegistry registry)
                                throws Throwable

Throws:

Throwable

acceptVisitor

Object acceptVisitor(InvocationContext ctx,
 Visitor visitor)
              throws Throwable

Accept a visitor, and return the result of accepting this visitor.

Parameters:

ctx - invocation context

visitor - visitor to accept

Returns:

arbitrary return value

Throws:

Throwable - in the event of problems

loadType

VisitableCommand.LoadType loadType()

Returns:

Nodes on which the command needs to read the previous values of the keys it acts on.

Throws:

UnsupportedOperationException - if the distinction does not make any sense.