praktikum-holons/src/holeg/HolegPowerFlowContext.java

package holeg;

import holeg.model.Grid;
import holeg.power_flow.PowerFlowProblem;
import holeg.power_flow.SolverResult;

import java.util.ArrayList;
import java.util.List;

public class HolegPowerFlowContext {
    public final Object lock = new Object();
    public List<Grid> lastSolvedGrids = new ArrayList<>();
    public Thread solverJob;
    public float solverTimeMilliseconds;
    public Grid showGridForVisual;

    public PowerFlowProblem problem;
    public SolverResult result;

    public void clearCache() {
        synchronized (lock) {
            lastSolvedGrids.clear();
        }
    }

    public boolean isSolving() {
        synchronized (lock) {
            return solverJob != null && solverJob.isAlive();
        }
    }

    public void stopSolver() {
        synchronized (lock) {
            if (solverJob != null) {
                try {
                    solverJob.interrupt();
                    // wait till old solver job has finished or is interrupted
                    solverJob.join(100);
                } catch (InterruptedException ignored) {

                }
                solverJob = null;
            }
        }
    }
}