Package ej.wasi.io.event

Class SubscriptionIO

java.lang.Object

ej.wasi.io.event.Subscription

ej.wasi.io.event.SubscriptionIO

public class SubscriptionIO
extends Subscription

I/O event subscription.

Field Summary

Fields inherited from class ej.wasi.io.event.Subscription

CLOCK, FD_READ, FD_WRITE

Constructor Summary

Constructors

Constructor	Description
SubscriptionIO(long userdata, byte[] memory, int ptr, boolean onReadEvent)	Creates a new I/O event subscription instance.

Method Summary

Modifier and Type	Method	Description
int	getFd()	Return the corresponding WasiIO object.
boolean	onReadEvent()	Tells whether the subscription is on read.

Methods inherited from class ej.wasi.io.event.Subscription

deserialize, getUserData

Methods inherited from class java.lang.Object

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

Constructor Detail

SubscriptionIO

public SubscriptionIO(long userdata,
                      byte[] memory,
                      int ptr,
                      boolean onReadEvent)

Creates a new I/O event subscription instance.

Parameters:

userdata - the user data.

memory - the memory from which to read the I/O event subscription content.

ptr - the start pointer in the memory.

onReadEvent - whether the subscription is on read event.

Method Detail

onReadEvent

public boolean onReadEvent()

Tells whether the subscription is on read.

Returns:

true if the subscription is on read event; false if on write event.

getFd

public int getFd()

Return the corresponding WasiIO object.

Returns:

the corresponding WasiIO object.