package org.jboss.windup.tooling;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.util.logging.LogRecord;
/**
* Extends the standard progress monitor to also tie in with the logging system. Messages from Java Util Logging (aka JUL) will be passed through this
* if the provided listener is an instance of {@link WindupToolingProgressMonitor}.
*
* @author <a href="mailto:jesse.sightler@gmail.com">Jesse Sightler</a>
*/
public interface WindupToolingProgressMonitor extends Remote
{
/**
* Constant indicating an unknown amount of work.
*/
int UNKNOWN = -1;
/**
* Called for each {@link LogRecord} generated by Windup.
*/
void logMessage(LogRecord logRecord) throws RemoteException;
/**
* Notifies that the main task is beginning. This must only be called once on a given progress monitor instance.
*
* @param name the name (or description) of the main task
* @param totalWork the total number of work units into which the main task is been subdivided. If the value is <code>UNKNOWN</code> the
* implementation is free to indicate progress in a way which doesn't require the total number of work units in advance.
*/
void beginTask(String name, int totalWork) throws RemoteException;
/**
* Notifies that the work is done; that is, either the main task is completed or the user canceled it. This method may be called more than once
* (implementations should be prepared to handle this case).
*/
void done() throws RemoteException;
/**
* Returns whether cancellation of current operation has been requested. Long-running operations should poll to see if cancelation has been
* requested.
*
* @return <code>true</code> if cancellation has been requested, and <code>false</code> otherwise
* @see #setCancelled(boolean)
*/
boolean isCancelled() throws RemoteException;
/**
* Sets the cancel state to the given value.
*
* @param value <code>true</code> indicates that cancellation has been requested (but not necessarily acknowledged); <code>false</code> clears
* this flag
* @see #isCancelled()
*/
void setCancelled(boolean value) throws RemoteException;
/**
* Sets the task name to the given value. This method is used to restore the task label after a nested operation was executed. Normally there is
* no need for clients to call this method.
*
* @param name the name (or description) of the main task
* @see #beginTask(java.lang.String, int)
*/
void setTaskName(String name) throws RemoteException;
/**
* Notifies that a subtask of the main task is beginning. Subtasks are optional; the main task might not have subtasks.
*
* @param name the name (or description) of the subtask
*/
void subTask(String name) throws RemoteException;
/**
* Notifies that a given number of work unit of the main task has been completed. Note that this amount represents an installment, as opposed to a
* cumulative amount of work done to date.
*
* @param work a non-negative number of work units just completed
*/
void worked(int work) throws RemoteException;
}