TasksExecutor.java

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package com.aspose.words.maven.utils;

import java.util.ArrayList;
import java.util.List;
import org.netbeans.api.progress.aggregate.AggregateProgressFactory;
import org.netbeans.api.progress.aggregate.AggregateProgressHandle;
import org.netbeans.api.progress.aggregate.ProgressContributor;

/**
 * @author Adeel Ilyas <adeel.ilyas@aspose.com>
 */
public class TasksExecutor {

    private final List<AbstractTask> tasks = new ArrayList<>();
    private final String tasksName;

    /**
     *
     * @param tasksName
     */
    public TasksExecutor(String tasksName) {
        this.tasksName = tasksName;

    }

    /**
     *
     * @param task
     */
    public void addNewTask(AbstractTask task) {
        tasks.add(task);
    }

    /**
     * Clears added tasks
     */
    public void clearTasks() {
        tasks.clear();
    }

    /**
     *
     * @return boolean
     */
    public boolean areThereTasks() {
        return !tasks.isEmpty();
    }

    /**
     * Executes Added Abstract Tasks
     */
    public void processTasks() {
        ProgressContributor cps[] = new ProgressContributor[tasks.size()];
        int i = 0;
        for (AbstractTask task : tasks) {
            cps[i] = task.getProgressContributor();
            i++;

        }

        AggregateProgressHandle aph = AggregateProgressFactory.createHandle(tasksName, cps, null, null);
        aph.start();

        for (AbstractTask task : tasks) {
            task.start();
            try {
                task.join();
            } catch (InterruptedException ie) {
            }
        }
    }

}