Package com.sun.jini.discovery

Class MulticastTimeToLive

java.lang.Object

com.sun.jini.discovery.MulticastTimeToLive

All Implemented Interfaces:

Serializable, InvocationConstraint

public final class MulticastTimeToLive
extends Object
implements InvocationConstraint, Serializable

Represents a constraint on the time to live (TTL) value set on outgoing multicast request and multicast announcement packets. Lookup services and discovery clients can use this constraint to specify the range of multicast transmissions used in discovery.

Since:

2.0

Author:

Sun Microsystems, Inc.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_TIME_TO_LIVE	The maximum permissible time to live value.

Constructor Summary

Constructors

Constructor	Description
MulticastTimeToLive(int ttl)	Creates a MulticastTimeToLive constraint for the given time to live value.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	getTimeToLive()	Returns the time to live value.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

MAX_TIME_TO_LIVE

public static final int MAX_TIME_TO_LIVE

The maximum permissible time to live value.

See Also:

• Constant Field Values

Constructor Details

MulticastTimeToLive

public MulticastTimeToLive(int ttl)

Creates a MulticastTimeToLive constraint for the given time to live value.

Parameters:

ttl - the time to live value

Throws:

IllegalArgumentException - if the given value is negative or greater than MAX_TIME_TO_LIVE.

Method Details

getTimeToLive

public int getTimeToLive()

Returns the time to live value.

Returns:

the time to live value

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object