net.ymate.platform.persistence.jdbc.base.impl

类 DefaultQueryOperator<T>

java.lang.Object

net.ymate.platform.persistence.jdbc.base.AbstractOperator

net.ymate.platform.persistence.jdbc.base.impl.DefaultQueryOperator<T>

类型参数:

T - 元素类型

所有已实现的接口:

IOperator, IQueryOperator<T>

public class DefaultQueryOperator<T>
extends AbstractOperator
implements IQueryOperator<T>

数据库查询操作器接口实现

版本:

1.0

作者:

刘镇 (suninformation@163.com) on 2011-9-23 上午09:32:37

字段概要

从类继承的字段 net.ymate.platform.persistence.jdbc.base.AbstractOperator

executed, expenseTime, sql

构造器概要

构造器

构造器和说明
DefaultQueryOperator(String sql, IConnectionHolder connectionHolder, IAccessorConfig accessorConfig, IResultSetHandler<T> resultSetHandler)
DefaultQueryOperator(String sql, IConnectionHolder connectionHolder, IAccessorConfig accessorConfig, IResultSetHandler<T> resultSetHandler, int maxRow)
DefaultQueryOperator(String sql, IConnectionHolder connectionHolder, IResultSetHandler<T> resultSetHandler)
DefaultQueryOperator(String sql, IConnectionHolder connectionHolder, IResultSetHandler<T> resultSetHandler, int maxRow)

方法概要

限定符和类型	方法和说明
protected int	__doExecute()
int	getMaxRow()
List<T>	getResultSet()
IResultSetHandler<T>	getResultSetHandler()

从类继承的方法 net.ymate.platform.persistence.jdbc.base.AbstractOperator

__doSerializeParameters, __doSetParameters, addParameter, addParameter, execute, getAccessorConfig, getConnectionHolder, getExpenseTime, getParameters, getSQL, isExecuted, setAccessorConfig

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 net.ymate.platform.persistence.jdbc.base.IOperator

addParameter, addParameter, execute, getAccessorConfig, getConnectionHolder, getExpenseTime, getParameters, getSQL, isExecuted, setAccessorConfig

构造器详细资料

DefaultQueryOperator

public DefaultQueryOperator(String sql,
                            IConnectionHolder connectionHolder,
                            IResultSetHandler<T> resultSetHandler)

DefaultQueryOperator

public DefaultQueryOperator(String sql,
                            IConnectionHolder connectionHolder,
                            IResultSetHandler<T> resultSetHandler,
                            int maxRow)

DefaultQueryOperator

public DefaultQueryOperator(String sql,
                            IConnectionHolder connectionHolder,
                            IAccessorConfig accessorConfig,
                            IResultSetHandler<T> resultSetHandler)

DefaultQueryOperator

public DefaultQueryOperator(String sql,
                            IConnectionHolder connectionHolder,
                            IAccessorConfig accessorConfig,
                            IResultSetHandler<T> resultSetHandler,
                            int maxRow)

方法详细资料

__doExecute

protected int __doExecute()
                   throws Exception

指定者:

__doExecute 在类中 AbstractOperator

返回:

执行具体的操作过程，并返回影响行数

抛出:

Exception - 执行过程中产生的异常

getResultSetHandler

public IResultSetHandler<T> getResultSetHandler()

指定者:

getResultSetHandler 在接口中 IQueryOperator<T>

返回:

返回结果集数据处理对象

getResultSet

public List<T> getResultSet()

指定者:

getResultSet 在接口中 IQueryOperator<T>

返回:

返回查询结果

getMaxRow

public int getMaxRow()

指定者:

getMaxRow 在接口中 IQueryOperator<T>

返回:

结果集返回最大记录数，默认为0，表示没有任何限制