dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.data.rule.exists;
 
import java.util.List;
 
import foundation.action.ActionContext;
import foundation.action.ActionProvider;
import foundation.dao.DataPackage;
import foundation.dao.DataSource;
import foundation.dao.PackageItem;
import foundation.data.entity.Entity;
import foundation.data.entity.EntitySet;
import foundation.data.object.DataObject;
 
public class ExistsValidator extends ActionProvider {
    
    @Override
    protected void publishMethod() {
        addMethod("checkExists");
        
    }
    
    public void checkExists() throws Exception {
        DataPackage dataPackage = dataReader.getDataPackage();
        boolean isCheck = dataReader.getBoolean("check_exists", true);
        String dataName = dataReader.getString("dataname");
        boolean existsResult = false;
        
        if(!isCheck) {
            logger.info("dataName: {}, do not check this time", dataReader.getString("dataname"));
            return ;
        }
        
        if (dataPackage == null ) {
            logger.info("datapackage is null, cannot check exists; dataName: " + dataName);
            return ;
        }
        
        // 1.检查主表
        DataObject dataObject = dataPackage.getMasterDataObject();
        Entity masterEntity = dataPackage.getMasterEntity();
        
        masterEntity = dataPackage.getMasterEntity();
        existsResult = dataObject.existsValidate(masterEntity);
                
        // 2.检查明细
        dataPackage.loadOneDataFromDB();
        List<PackageItem> slaveItems = dataPackage.getSlaveItems();
        
        for (PackageItem item: slaveItems){
            String itemName = item.getName();
            dataObject = DataObject.getInstance(itemName);
            EntitySet detailEntitySet = dataPackage.getItemEntitySet(itemName, DataSource.DB);
            
            if(dataObject.existsValidate(detailEntitySet)) {
                existsResult = true;
            }
        }
 
        if(existsResult) {
            task.terminate();
        }
    }
    
    public boolean checkExists(DataPackage dataPackage, ActionContext context) throws Exception {
        dataReader = context.getDataReader();
        boolean isCheck = dataReader.getBoolean("check_exists", true);
        String dataName = dataReader.getString("dataname");
        boolean existsResult = false;
        
        if(!isCheck) {
            logger.info("dataName: {}, do not check this time", dataReader.getString("dataname"));
            return false;
        }
        
        if (dataPackage == null ) {
            logger.info("datapackage is null, cannot check exists; dataName: " + dataName);
            return false;
        }
        
        // 1.检查主表
        DataObject dataObject = dataPackage.getMasterDataObject();
        Entity masterEntity = dataPackage.getMasterEntity(DataSource.Request);
        
        existsResult = dataObject.existsValidate(masterEntity);
                
        // 2.检查明细
        dataPackage.loadOneDataFromDB();
        List<PackageItem> slaveItems = dataPackage.getSlaveItems();
        
        for (PackageItem item: slaveItems){
            String itemName = item.getName();
            dataObject = DataObject.getInstance(itemName);
            EntitySet detailEntitySet = dataPackage.getItemEntitySet(itemName, DataSource.Request);
            
            if(dataObject.existsValidate(detailEntitySet)) {
                existsResult = true;
            }
        }
 
        return existsResult;
    }
}