程序包 ohos.interwork.eventhandler

类 CourierEx

java.lang.Object

ohos.eventhandler.Courier

ohos.interwork.eventhandler.CourierEx

所有已实现的接口:

Sequenceable

public final class CourierEx
extends Courier

Represents a reference to a specific event handler. This class implements inter-process communication (IPC) based on InnerEvent objects by creating a CourierEx that points to a specific event handler in a process and handing the CourierEx to another process.

从以下版本开始:

4

嵌套类概要

从接口继承的嵌套类/接口 ohos.utils.Sequenceable

Sequenceable.Producer<T>

字段概要

字段

限定符和类型	字段	说明
static Sequenceable.Producer<CourierEx>	PRODUCER	Creates a CourierEx instance from a Parcel.

构造器概要

构造器

构造器	说明
CourierEx(EventHandlerEx eventHandler)	A constructor used to create a CourierEx instance based on the given EventHandlerEx.

方法概要

限定符和类型	方法	说明
IRemoteObject	getRemoteObject()	Obtains the IRemoteObject object used by this CourierEx to communicate with its EventHandler.
boolean	marshalling(Parcel out)	Marshals a CourierEx object into a Parcel.
void	send(InnerEvent innerEvent)	Sends an InnerEvent to this CourierEx for IPC.
boolean	unmarshalling(Parcel in)	Unmarshals a CourierEx object from a Parcel.

从类继承的方法 ohos.eventhandler.Courier

equals, hashCode

从类继承的方法 java.lang.Object

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

从接口继承的方法 ohos.utils.Sequenceable

hasFileDescriptor

字段详细资料

PRODUCER

public static final Sequenceable.Producer<CourierEx> PRODUCER

Creates a CourierEx instance from a Parcel.

从以下版本开始:

4

构造器详细资料

CourierEx

public CourierEx(EventHandlerEx eventHandler)

A constructor used to create a CourierEx instance based on the given EventHandlerEx.

参数:

eventHandler - Indicates the EventHandlerEx object that will receive inner events.

从以下版本开始:

4

方法详细资料

send

public void send(InnerEvent innerEvent)
          throws RemoteException

Sends an InnerEvent to this CourierEx for IPC.

覆盖:

send 在类中 Courier

参数:

innerEvent - Indicates the InnerEvent object to send.

抛出:

RemoteException - Throws this exception if the EventHandler referenced by this CourierEx does not exist.

从以下版本开始:

4

getRemoteObject

public IRemoteObject getRemoteObject()

Obtains the IRemoteObject object used by this CourierEx to communicate with its EventHandler.

覆盖:

getRemoteObject 在类中 Courier

返回:

Returns the IRemoteObject object.

从以下版本开始:

4

marshalling

public boolean marshalling(Parcel out)

Marshals a CourierEx object into a Parcel.

指定者:

marshalling 在接口中 Sequenceable

覆盖:

marshalling 在类中 Courier

参数:

out - Indicates the Parcel object for marshalling.

返回:

Returns true if the marshalling is successful; returns false otherwise.

从以下版本开始:

4

unmarshalling

public boolean unmarshalling(Parcel in)

Unmarshals a CourierEx object from a Parcel.

指定者:

unmarshalling 在接口中 Sequenceable

覆盖:

unmarshalling 在类中 Courier

参数:

in - Indicates the Parcel object for unmarshalling.

返回:

Returns true if the unmarshalling is successful; returns false otherwise.

从以下版本开始:

4