org.infinispan.commands.read

Class KeySetCommand

java.lang.Object

org.infinispan.commands.read.AbstractLocalCommand

org.infinispan.commands.read.KeySetCommand

All Implemented Interfaces:

LocalCommand, ReplicableCommand, VisitableCommand

public class KeySetCommand
extends AbstractLocalCommand
implements VisitableCommand

Command implementation for Map.keySet() functionality.

Since:

4.0

Author:

Galder Zamarreño, Mircea.Markus@jboss.com, Trustin Lee

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KeySetCommand.ExpiredFilteredKeySet

Constructor Summary

Constructors

Constructor and Description
KeySetCommand(DataContainer container)

Method Summary

Methods

Modifier and Type	Method and Description
Object	acceptVisitor(InvocationContext ctx, Visitor visitor) Accept a visitor, and return the result of accepting this visitor.
Set<Object>	perform(InvocationContext ctx) Performs the primary function of the command.
String	toString()

Methods inherited from class org.infinispan.commands.read.AbstractLocalCommand

getCommandId, getParameters, ignoreCommandOnStatus, isReturnValueExpected, noTxModifications, setParameters, shouldInvoke

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.infinispan.commands.VisitableCommand

ignoreCommandOnStatus, shouldInvoke

Methods inherited from interface org.infinispan.commands.ReplicableCommand

getCommandId, getParameters, isReturnValueExpected, setParameters

Constructor Detail

KeySetCommand

public KeySetCommand(DataContainer container)

Method Detail

acceptVisitor

public Object acceptVisitor(InvocationContext ctx,
                   Visitor visitor)
                     throws Throwable

Description copied from interface: VisitableCommand

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

Specified by:

acceptVisitor in interface VisitableCommand

Parameters:

ctx - invocation context

visitor - visitor to accept

Returns:

arbitrary return value

Throws:

Throwable - in the event of problems

perform

public Set<Object> perform(InvocationContext ctx)
                    throws Throwable

Description copied from interface: ReplicableCommand

Performs the primary function of the command. Please see specific implementation classes for details on what is performed as well as return types. Important: this method will be invoked at the end of interceptors chain. It should never be called directly from a custom interceptor.

Specified by:

perform in interface ReplicableCommand

Parameters:

ctx - invocation context

Returns:

arbitrary return value generated by performing this command

Throws:

Throwable - in the event of problems.

toString

public String toString()

Overrides:

toString in class Object