dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.io.file.pull;
 
import java.util.List;
 
import foundation.data.entity.Entity;
import foundation.data.entity.EntitySet;
import foundation.data.object.DataObject;
import foundation.io.object.Titles;
 
public class DataBucket {
 
    private int batchCount;
    private Titles titles;
    private List<EntitySet> dataList;
    private int pos;
    private DataObject dataObject;
    private EntitySet currentSet;
    
    public DataBucket(int batchCount) {
        this.batchCount = batchCount;
        
        pos = -1;
    }
    
    public Titles getTitles() {
        return titles;
    }
 
    public EntitySet getNext() {
        pos++;
        
        if (pos >= dataList.size()) {
            return null;
        }
        
        return dataList.get(pos);
    }
 
    public Entity addOneLine(int rowNo) {
        if (currentSet == null || currentSet.isFull()) {
            try {
                currentSet = dataObject.createTableEntitySet(batchCount);
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }
        
        return currentSet.append();
    }
 
    public void setDataObject(DataObject dataObject) {
        this.dataObject = dataObject;
    }
 
}