org.h2.index

类 SingleRowCursor

java.lang.Object

org.h2.index.SingleRowCursor

所有已实现的接口:

Cursor

public class SingleRowCursor
extends Object
implements Cursor

A cursor with at most one row.

构造器概要

构造器

构造器和说明
SingleRowCursor(Row row) Create a new cursor.

方法概要

限定符和类型	方法和说明
Row	get() Get the complete current row.
SearchRow	getSearchRow() Get the current row.
boolean	next() Skip to the next row if one is available.
boolean	previous() Skip to the previous row if one is available.

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

SingleRowCursor

public SingleRowCursor(Row row)

Create a new cursor.

参数:

row - - the single row (if null then cursor is empty)

方法详细资料

get

public Row get()

从接口复制的说明: Cursor

Get the complete current row. All column are available.

指定者:

get 在接口中 Cursor

返回:

the complete row

getSearchRow

public SearchRow getSearchRow()

从接口复制的说明: Cursor

Get the current row. Only the data for indexed columns is available in this row.

指定者:

getSearchRow 在接口中 Cursor

返回:

the search row

next

public boolean next()

从接口复制的说明: Cursor

Skip to the next row if one is available.

指定者:

next 在接口中 Cursor

返回:

true if another row is available

previous

public boolean previous()

从接口复制的说明: Cursor

Skip to the previous row if one is available. No filtering is made here.

指定者:

previous 在接口中 Cursor

返回:

true if another row is available