org.apache.slider.server.appmaster.actions

Interface QueueAccess

All Known Implementing Classes:

QueueService

public interface QueueAccess

Access for queue operations

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasQueuedActionWithAttribute(int attr) Look in the immediate queue for any actions of a specific attribute
RenewingAction<? extends AsyncAction>	lookupRenewingAction(String name) Look up a renewing action
void	put(AsyncAction action) Put an action on the immediate queue -to be executed when the queue reaches it.
boolean	remove(AsyncAction action) Remove an action from the queues.
boolean	removeRenewingAction(String name) Remove a renewing action
void	renewing(String name, RenewingAction<? extends AsyncAction> renewingAction) Add a named renewing action
void	schedule(AsyncAction action) Put a delayed action: this will only be added to the main queue after its action time has been reached

Method Detail

put

void put(AsyncAction action)

Put an action on the immediate queue -to be executed when the queue reaches it.

Parameters:

action - action to queue

schedule

void schedule(AsyncAction action)

Put a delayed action: this will only be added to the main queue after its action time has been reached

Parameters:

action - action to queue

remove

boolean remove(AsyncAction action)

Remove an action from the queues.

Parameters:

action - action to remove

Returns:

true if the action was removed

renewing

void renewing(String name,
            RenewingAction<? extends AsyncAction> renewingAction)

Add a named renewing action

Parameters:

name - name

renewingAction - wrapped action

lookupRenewingAction

RenewingAction<? extends AsyncAction> lookupRenewingAction(String name)

Look up a renewing action

Parameters:

name - name of the action

Returns:

the action or null if none was found

removeRenewingAction

boolean removeRenewingAction(String name)

Remove a renewing action

Parameters:

name - action name name of the action

Returns:

true if the action was found and removed.

hasQueuedActionWithAttribute

boolean hasQueuedActionWithAttribute(int attr)

Look in the immediate queue for any actions of a specific attribute