org.infinispan.commands

Interface VisitableCommand

All Superinterfaces:

ReplicableCommand

All Known Subinterfaces:

DataCommand, DataWriteCommand, FlagAffectedCommand, TransactionBoundaryCommand, WriteCommand

All Known Implementing Classes:

AbstractDataCommand, AbstractDataWriteCommand, AbstractFlagAffectedCommand, AbstractLocalCommand, AbstractTopologyAffectedCommand, AbstractTransactionBoundaryCommand, AbstractWriteKeyCommand, AbstractWriteManyCommand, ClearCommand, CommitCommand, ComputeCommand, ComputeIfAbsentCommand, EntrySetCommand, EvictCommand, GetAllCommand, GetCacheEntryCommand, GetKeysInGroupCommand, GetKeyValueCommand, InvalidateCommand, InvalidateL1Command, KeySetCommand, LockControlCommand, PrepareCommand, PutKeyValueCommand, PutMapCommand, ReadOnlyKeyCommand, ReadOnlyManyCommand, ReadWriteKeyCommand, ReadWriteKeyValueCommand, ReadWriteManyCommand, ReadWriteManyEntriesCommand, RemoveCommand, RemoveExpiredCommand, ReplaceCommand, RollbackCommand, SizeCommand, TxReadOnlyKeyCommand, TxReadOnlyManyCommand, VersionedCommitCommand, VersionedPrepareCommand, WriteOnlyKeyCommand, WriteOnlyKeyValueCommand, WriteOnlyManyCommand, WriteOnlyManyEntriesCommand

public interface VisitableCommand
extends ReplicableCommand

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 and Description
static class	VisitableCommand.LoadType

Method Summary

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

Methods inherited from interface org.infinispan.commands.ReplicableCommand

canBlock, getCommandId, invoke, invokeAsync, isReturnValueExpected, isSuccessful, readFrom, setOrigin, writeTo

Method Detail

init

default void init(ComponentRegistry registry)

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.