Package org.wildfly.clustering.server.jgroups.dispatcher

Class JChannelCommandDispatcher<CC,MC>

java.lang.Object

org.wildfly.clustering.server.jgroups.dispatcher.JChannelCommandDispatcher<CC,MC>

Type Parameters:

CC - the command execution context

MC - the marshalling context

All Implemented Interfaces:

AutoCloseable, CommandDispatcher<ChannelGroupMember,CC>

public class JChannelCommandDispatcher<CC,MC>
extends Object
implements CommandDispatcher<ChannelGroupMember,CC>

MessageDispatcher-based command dispatcher.

Author:

Paul Ferraro

Constructor Summary

Constructors

Constructor	Description
JChannelCommandDispatcher(CC commandContext, org.jgroups.blocks.MessageDispatcher dispatcher, CommandMarshaller<CC> marshaller, MC marshallingContext, ChannelGroup group, Duration timeout, Runnable closeTask)

Method Summary

Modifier and Type	Method	Description
void	close()
<R, E extends Exception> Map<ChannelGroupMember,CompletionStage<R>>	dispatchToGroup(Command<R,? super CC,E> command, Set<ChannelGroupMember> excluding)	Executes the specified command on all members of the group, optionally excluding some members.
<R, E extends Exception> CompletionStage<R>	dispatchToMember(Command<R,? super CC,E> command, ChannelGroupMember member)	Executes the specified command on the specified group member.
CC	getContext()	Returns the context with which this dispatcher was created.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.wildfly.clustering.server.dispatcher.CommandDispatcher

dispatchToGroup

Constructor Details

JChannelCommandDispatcher

public JChannelCommandDispatcher(CC commandContext,
 org.jgroups.blocks.MessageDispatcher dispatcher,
 CommandMarshaller<CC> marshaller,
 MC marshallingContext,
 ChannelGroup group,
 Duration timeout,
 Runnable closeTask)

Method Details

getContext

public CC getContext()

Description copied from interface: CommandDispatcher

Returns the context with which this dispatcher was created.

Specified by:

getContext in interface CommandDispatcher<CC,MC>

Returns:

a command execution context

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CommandDispatcher<CC,MC>

dispatchToMember

public <R,
E extends Exception> CompletionStage<R> dispatchToMember(Command<R,? super CC,E> command,
 ChannelGroupMember member)
                                                             throws IOException

Description copied from interface: CommandDispatcher

Executes the specified command on the specified group member. If the member has no corresponding dispatcher, the returned completion stage throws a CancellationException.

Specified by:

dispatchToMember in interface CommandDispatcher<CC,MC>

Type Parameters:

R - the command execution return type

Parameters:

command - the command to execute

member - the group member on which to execute the command

Returns:

the future result of the command execution

Throws:

IOException - if the command could not be sent

dispatchToGroup

public <R,
E extends Exception>
Map<ChannelGroupMember,CompletionStage<R>> dispatchToGroup(Command<R,? super CC,E> command,
 Set<ChannelGroupMember> excluding)
                                                    throws IOException

Description copied from interface: CommandDispatcher

Executes the specified command on all members of the group, optionally excluding some members. If a given member has no corresponding dispatcher, its completion stage throws a CancellationException.

Specified by:

dispatchToGroup in interface CommandDispatcher<CC,MC>

Type Parameters:

R - the command execution return type

Parameters:

command - the command to execute

excluding - the members to be excluded from group command execution

Returns:

a completion stage per member of the group on which the command was executed

Throws:

IOException - if the command could not be sent