update.java

来自「一个Java持久层类库」· Java 代码 · 共 60 行

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package ActiveObject.core;

import ActiveObject.exception.*;
import ActiveObject.vo.IntermediaryExpression;
import java.sql.SQLException;

/**
 * @author Ruby
 */
public class Update extends CustomizedOperation{
    
    public Update(Class[] objectTypes, String setting, String condition, Object[] params) throws ArgumentFormatError
    {
        super(objectTypes, setting, condition, params);
        expression.setOperateType(IntermediaryExpression.Update);
    }
    
    /**
     * 添加排序条件
     * @param field
     * @param sortOrder
     * @return
     */
    public Update addOrder (String field, Order sortOrder) {
        this.addOrderUtil(field, sortOrder);
        return this;
    }
    
    public int run() throws SQLException, ObjectAnalysisException
    {
        return this.excuteUpdate();//this.toSQLString(), this.expression.getParamValues()
    }

    @Override
    protected String toSQLString() throws ObjectAnalysisException{
        return new SQLCreator(expression).toSQLString();
//        //添加排序控制
//        String sortSql = this.createOrderStatement();
//        StringBuffer updateSql = new StringBuffer(200);
//        updateSql.append("update ");
//        updateSql.append(this.createAliasStatement());
//        updateSql.append("set ");
//        updateSql.append(setting);
//
//        if(!OQLParser.isContentEmpty(condition))
//        {
//            updateSql.append(" where ");
//            updateSql.append(condition);
//        }
//        if(sortSql != null)
//            updateSql.append(sortSql);
//        return OQLParser.parseLikeSyntax(updateSql, params);
    }
}