+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.api;
-import java.util.List;
-
import jalview.datamodel.AlignmentAnnotation;
+import java.util.List;
+
public interface AlignCalcManagerI
{
-
/**
* tell manager that a worker is initialised and has started to run
+ *
* @param worker
*/
void notifyStart(AlignCalcWorkerI worker);
/**
- * check if a calculation of this type is already active
+ * tell manager that a thread running worker's run() loop is ready to start
+ * processing data
+ *
* @param worker
- * @return
+ * @return true if worker should start processing, false if another thread is
+ * in progress
*/
- boolean alreadyDoing(AlignCalcWorkerI worker);
+ boolean notifyWorking(AlignCalcWorkerI worker);
/**
- * tell manager that worker is now processing data
+ * notify manager that the worker has completed, and results may be ready to
+ * collect
+ *
* @param worker
*/
- boolean notifyWorking(AlignCalcWorkerI worker);
-
+ void workerComplete(AlignCalcWorkerI worker);
/**
- * notify manager that the worker has completed, and results may be ready to collect
+ * indicate that a worker like this cannot run on the platform and shouldn't
+ * be started again
+ *
* @param worker
*/
- void workerComplete(AlignCalcWorkerI worker);
+ void disableWorker(AlignCalcWorkerI worker);
/**
- * indicate that a worker like this cannot run on the platform and shouldn't be started again
+ * indicate that a worker like this may be run on the platform.
+ *
* @param worker
+ * of class to be removed from the execution blacklist
*/
- void workerCannotRun(AlignCalcWorkerI worker);
+ void enableWorker(AlignCalcWorkerI worker);
/**
- * indicate that a worker like this may be run on the platform.
- * @param worker of class to be removed from the execution blacklist
+ * Answers true if the worker is disabled from running
+ *
+ * @param worker
+ * @return
*/
- void workerMayRun(AlignCalcWorkerI worker);
+ boolean isDisabled(AlignCalcWorkerI worker);
+
/**
* launch a new worker
+ *
* @param worker
*/
void startWorker(AlignCalcWorkerI worker);
/**
- *
+ *
* @param worker
- * @return
+ * @return true if the worker is currently running
*/
boolean isWorking(AlignCalcWorkerI worker);
/**
* if any worker thread is operational, return true!
+ *
* @return
*/
boolean isWorking();
-
/**
* register a restartable worker
+ *
* @param worker
*/
void registerWorker(AlignCalcWorkerI worker);
void restartWorkers();
/**
- *
+ *
* @param alignmentAnnotation
- * @return true if a currently registered and working worker indicates its involvement with the given alignmentAnnotation
+ * @return true if a currently registered and working worker indicates its
+ * involvement with the given alignmentAnnotation
*/
boolean workingInvolvedWith(AlignmentAnnotation alignmentAnnotation);
/**
- * kick any known instances of the given worker class to update their annotation
+ * kick any known instances of the given worker class to update their
+ * annotation
+ *
* @param workerClass
*/
- void updateAnnotationFor(Class workerClass);
+ void updateAnnotationFor(Class<? extends AlignCalcWorkerI> workerClass);
/**
* return any registered workers of the given class
+ *
* @param workerClass
* @return null or one or more workers of the given class
*/
List<AlignCalcWorkerI> getRegisteredWorkersOfClass(
- Class workerClass);
-
- /**
- * start any workers of the given class
- * @param workerClass
- * @return false if no workers of given class were registered
- * (note - blacklisted classes cannot be restarted, so this method will return true for blacklisted workers)
- */
- boolean startRegisteredWorkersOfClass(Class workerClass);
+ Class<? extends AlignCalcWorkerI> workerClass);
/**
* work out if there is an instance of a worker that is *waiting* to start
* calculating
- *
+ *
* @param workingClass
* @return true if workingClass is already waiting to calculate. false if it
* is calculating, or not queued.
*/
boolean isPending(AlignCalcWorkerI workingClass);
+ /**
+ * deregister and otherwise remove any registered and working instances of the
+ * given worker type
+ *
+ * @param typeToRemove
+ */
+ void removeRegisteredWorkersOfClass(
+ Class<? extends AlignCalcWorkerI> typeToRemove);
+
+ /**
+ * Removes the worker that produces the given annotation, provided it is
+ * marked as 'deletable'. Some workers may need to continue to run as the
+ * results of their calculations are needed, e.g. for colour schemes.
+ *
+ * @param ann
+ */
+ void removeWorkerForAnnotation(AlignmentAnnotation ann);
}