package foundation.schedule;

import foundation.dao.preload.Bucket;
import foundation.json.IJSONProvider;
import foundation.json.IJSONWriter;

public class ScheduleBucket extends Bucket<ScheduleBatch> implements IJSONProvider {

	private static ScheduleBucket instance;
	
	public static synchronized ScheduleBucket getInstance() {
		if (instance == null) {
			instance = new ScheduleBucket();
		}
		
		return instance;
	}

	public synchronized void loadOneJob(String id, ScheduleJob job) {
		String batchId = job.getBatchId();
		ScheduleBatch batch = get(batchId);
		
		if (batch == null) {
			return;
		}
		
		batch.loadOneJob(job);
	}

	public static void clear() {
		instance = null;
	}

	@Override
	public void writeJSON(IJSONWriter writer) {
		writer.beginArray();
		
		for (ScheduleBatch batch: this) {
			batch.writeJSON(writer);
		}
		
		writer.endArray();
	}

}