Package org.eclipse.core.commands

Interface IExecutionListener

  • All Known Subinterfaces:
    IExecutionListenerWithChecks
    public interface IExecutionListener

    A listener to the execution of commands. This listener will be notified if a command is about to execute, and when that execution completes. It is not possible for the listener to prevent the execution, only to respond to it in some way.

    Since:
    3.1

    • Method Detail

      • notHandled

        void notHandled​(String commandId,
                NotHandledException exception)
        Notifies the listener that an attempt was made to execute a command with no handler.
        Parameters:
        commandId - The identifier of command that is not handled; never null
        exception - The exception that occurred; never null.

      • postExecuteFailure

        void postExecuteFailure​(String commandId,
                        ExecutionException exception)
        Notifies the listener that a command has failed to complete execution.
        Parameters:
        commandId - The identifier of the command that has executed; never null.
        exception - The exception that occurred; never null.

      • postExecuteSuccess

        void postExecuteSuccess​(String commandId,
                        Object returnValue)
        Notifies the listener that a command has completed execution successfully.
        Parameters:
        commandId - The identifier of the command that has executed; never null.
        returnValue - The return value from the command; may be null.

      • preExecute

        void preExecute​(String commandId,
                ExecutionEvent event)
        Notifies the listener that a command is about to execute.
        Parameters:
        commandId - The identifier of the command that is about to execute, never null.
        event - The event that will be passed to the execute method; never null.