dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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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();
    }
 
}