CancellationProgressTask.java

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package org.sleuthkit.autopsy.timeline;

import javafx.beans.property.ReadOnlyBooleanProperty;
import javafx.concurrent.Task;

public abstract class CancellationProgressTask<X> extends Task<X> {

    private boolean cancelRequested;

    public synchronized boolean isCancelRequested() {
        return cancelRequested || isCancelled();
    }

    public synchronized boolean requestCancel() {
        this.cancelRequested = true;
        return true;
    }

    abstract public ReadOnlyBooleanProperty cancellableProperty();

    boolean isCancellable() {
        return cancellableProperty().get();
    }
}