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NominationStrategy.java
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NominationStrategy.java
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/*
* ice4j, the OpenSource Java Solution for NAT and Firewall Traversal.
* Maintained by the SIP Communicator community (http://sip-communicator.org).
*
* Distributable under LGPL license. See terms of license at gnu.org.
*/
package org.ice4j.ice;
/**
* Contains the nomination strategies currently supported by this
* implementation's {@link DefaultNominator} class. Applications can either
* pick one of these strategies or select <tt>NONE</tt> in case they want to
* handle nominations themselves.
* <p>
* Note that NominationStrategies are an ice4j concept and they are not
* mentioned in RFC 5245.
*
* @author Emil Ivov
*/
public enum NominationStrategy
{
/**
* Indicates that ice4j's nominator should nominate valid pairs and that
* the application will be handling this.
*/
NONE("None"),
/**
* The strategy consists in nominating the first candidate pair that's
* confirmed as valid.
*/
NOMINATE_FIRST_VALID("NominateFirstValid"),
/**
* The strategy consists in nominating the highest priority valid pair once
* all checks in a list have completed.
*/
NOMINATE_HIGHEST_PRIO("NominateHighestPriority"),
/**
* The strategy consists in nominating the first host or server reflexive
* that's confirmed as valid pair. When a relayed candidate pair is
* validated first, a timer is armed and only if no host or server
* reflexive pair gets validated prior to timeout, the relayed ones
* gets nominated.
*/
NOMINATE_FIRST_HOST_OR_REFLEXIVE_VALID("NominateFirstHostOrReflexiveValid"),
/**
* The strategy consists in nominating the pair that showed the best
* shortest round trip time once all checks in a list completed.
*/
NOMINATE_BEST_RTT("NominateBestRTT");
/**
* The name of this strategy.
*/
private final String strategyName;
/**
* Creates a <tt>NominationStrategy</tt> instance with the specified name.
*
* @param name the name of the <tt>NominationStrategy</tt> that we'd like
* to create.
*/
private NominationStrategy(String name)
{
this.strategyName = name;
}
/**
* Returns the name of this <tt>NominationStrategy</tt>.
*
* @return the name of this <tt>NominationStrategy</tt>.
*/
@Override
public String toString()
{
return strategyName;
}
}