org.infinispan.commands.read
Class KeySetCommand

java.lang.Object
  extended by org.infinispan.commands.read.AbstractLocalCommand
      extended by 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 ZamarreƱo, Mircea.Markus@jboss.com, Trustin Lee

Nested Class Summary
static class KeySetCommand.ExpiredFilteredKeySet
           
 
Constructor Summary
KeySetCommand(DataContainer container)
           
 
Method Summary
 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

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