DataModelEvent (Java EE 5)

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javax.faces.model Class DataModelEvent

java.lang.Object
  java.util.EventObject
      javax.faces.model.DataModelEvent

All Implemented Interfaces:: Serializable

public class DataModelEvent
extends EventObject

Extends: java.util.EventObject

DataModelEvent 表示在指定的 DataModel 上发生了已注册侦听器感兴趣的事件。

英文文档：

DataModelEvent represents an event of interest to registered listeners that occurred on the specified DataModel.

See Also:: Serialized Form

Field Summary

Fields inherited from class java.util.EventObject
`source`

Constructor Summary
`DataModelEvent(DataModel model, int index, Object data)` Construct an event object that is associated with the specified row index and associated data.

Method Summary
`DataModel`	`getDataModel()` Return the `DataModel` that fired this event.
`Object`	`getRowData()` Return the object representing the data for the specified row index, or `null` for no associated row data.
`int`	`getRowIndex()` Return the row index for this event, or -1 for no specific row.

Methods inherited from class java.util.EventObject
`getSource, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

public DataModelEvent(DataModel model, int index, Object data)

构造与指定行索引及其相关数据关联的事件对象。

model 发生此事件的 `DataModel`

index 发生此事件的行索引（以 0 开始）；或者 -1，表示没有关联任何特定行

data 表示 `index` 所指定的行的数据；或者为 `null`，表示没有特定行数据

英文文档：
DataModelEvent

public DataModelEvent(DataModel model,
                      int index,
                      Object data)

Construct an event object that is associated with the specified row index and associated data.

Parameters:: model - The DataModel on which this event occurred; index - The zero relative row index for which this event occurred, or -1 for no specific row association; data - Representation of the data for the row specified by index, or null for no particular row data

Method Detail

public DataModel getDataModel()

返回触发此事件的 `DataModel`。

英文文档：
getDataModel

public DataModel getDataModel()

Return the DataModel that fired this event.

public Object getRowData()

返回表示指定行索引的对象；如果没有任何关联的行数据，则返回 `null`。

英文文档：
getRowData

public Object getRowData()

Return the object representing the data for the specified row index, or null for no associated row data.

public int getRowIndex()

返回此事件的行索引；如果没有任何特定行，则返回 -1。

英文文档：
getRowIndex

public int getRowIndex()

Return the row index for this event, or -1 for no specific row.