com.github.braisdom.objsql.jdbc.handlers

类 ColumnListHandler<T>

java.lang.Object

com.github.braisdom.objsql.jdbc.handlers.AbstractListHandler<T>

com.github.braisdom.objsql.jdbc.handlers.ColumnListHandler<T>

类型参数:

T - The type of the column.

所有已实现的接口:

ResultSetHandler<List<T>>

public class ColumnListHandler<T>
extends AbstractListHandler<T>

ResultSetHandler implementation that converts one ResultSet column into a List of Objects. This class is thread safe.

从以下版本开始:

DbUtils 1.1

另请参阅:

ResultSetHandler

构造器概要

构造器

构造器和说明
ColumnListHandler() Creates a new instance of ColumnListHandler.
ColumnListHandler(int columnIndex) Creates a new instance of ColumnListHandler.
ColumnListHandler(String columnName) Creates a new instance of ColumnListHandler.

方法概要

限定符和类型	方法和说明
protected T	handleRow(ResultSet rs) Returns one ResultSet column value as Object.

从类继承的方法 com.github.braisdom.objsql.jdbc.handlers.AbstractListHandler

handle

从类继承的方法 java.lang.Object

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

构造器详细资料

ColumnListHandler

public ColumnListHandler()

Creates a new instance of ColumnListHandler. The first column of each row will be returned from handle().

ColumnListHandler

public ColumnListHandler(int columnIndex)

Creates a new instance of ColumnListHandler.

参数:

columnIndex - The index of the column to retrieve from the ResultSet.

ColumnListHandler

public ColumnListHandler(String columnName)

Creates a new instance of ColumnListHandler.

参数:

columnName - The name of the column to retrieve from the ResultSet.

方法详细资料

handleRow

protected T handleRow(ResultSet rs)
               throws SQLException

Returns one ResultSet column value as Object.

指定者:

handleRow 在类中 AbstractListHandler<T>

参数:

rs - ResultSet to process.

返回:

Object, never null.

抛出:

SQLException - if a database access error occurs

ClassCastException - if the class datatype does not match the column type

另请参阅:

AbstractListHandler.handle(ResultSet)