Package org.opendaylight.protocol.bgp.parser.impl.message.update

Class CommunityUtil

java.lang.Object

org.opendaylight.protocol.bgp.parser.impl.message.update.CommunityUtil

public final class CommunityUtil
extends Object

Object representation of a RFC1997 Community tag. Communities are a way for the advertising entity to attach semantic meaning/policy to advertised objects.

Field Summary

Fields

Modifier and Type	Field	Description
static Community	LLGR_STALE	LLGR_STALE community can be used to mark stale routes retained for a longer period of time.
static Community	NO_ADVERTISE	NO_ADVERTISE community.
static Community	NO_EXPORT	NO_EXPORT community.
static Community	NO_EXPORT_SUBCONFED	NO_EXPORT_SUBCONFED community.
static Community	NO_LLGR	NO_LLGR community can be used to mark routes which a BGP speaker does not want treated according to procedures, as detailed in https://tools.ietf.org/html/draft-uttaro-idr-bgp-persistence-04#section-4.

Constructor Summary

Constructors

Constructor	Description
CommunityUtil(ReferenceCache refCache)

Method Summary

Modifier and Type	Method	Description
Community	create(long asn, int semantics)	Creates a new Community given AS number value and semantics using generated CommunitiesBuilder.
static Community	create(ReferenceCache refCache, long asn, int semantics)	Creates a new Community given AS number value and semantics using generated CommunitiesBuilder.
Community	valueOf(String string)	Creates a Community from its String representation.
static Community	valueOf(ReferenceCache refCache, String string)	Creates a Community from its String representation.

Methods inherited from class java.lang.Object

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

Field Detail

NO_EXPORT

public static final Community NO_EXPORT

NO_EXPORT community. All routes received carrying a communities attribute containing this value MUST NOT be advertised outside a BGP confederation boundary (a stand-alone autonomous system that is not part of a confederation should be considered a confederation itself).

NO_ADVERTISE

public static final Community NO_ADVERTISE

NO_ADVERTISE community. All routes received carrying a communities attribute containing this value MUST NOT be advertised to other BGP peers.

NO_EXPORT_SUBCONFED

public static final Community NO_EXPORT_SUBCONFED

NO_EXPORT_SUBCONFED community. All routes received carrying a communities attribute containing this value MUST NOT be advertised to external BGP peers (this includes peers in other members autonomous systems inside a BGP confederation).

LLGR_STALE

public static final Community LLGR_STALE

LLGR_STALE community can be used to mark stale routes retained for a longer period of time. Such long-lived stale routes are to be handled according to the procedures specified in https://tools.ietf.org/html/draft-uttaro-idr-bgp-persistence-04#section-4.

NO_LLGR

public static final Community NO_LLGR

NO_LLGR community can be used to mark routes which a BGP speaker does not want treated according to procedures, as detailed in https://tools.ietf.org/html/draft-uttaro-idr-bgp-persistence-04#section-4.

Constructor Detail

CommunityUtil

public CommunityUtil(ReferenceCache refCache)

Method Detail

create

public Community create(long asn,
                        int semantics)

Creates a new Community given AS number value and semantics using generated CommunitiesBuilder.

Parameters:

asn - long

semantics - int

Returns:

new Community

create

public static Community create(ReferenceCache refCache,
                               long asn,
                               int semantics)

Creates a new Community given AS number value and semantics using generated CommunitiesBuilder.

Parameters:

refCache - reference cache to use

asn - long

semantics - int

Returns:

new Community

valueOf

public Community valueOf(String string)

Creates a Community from its String representation.

Parameters:

string - String representation of a community

Returns:

new Community

valueOf

public static Community valueOf(ReferenceCache refCache,
                                String string)

Creates a Community from its String representation.

Parameters:

refCache - reference cache to use

string - String representation of a community

Returns:

new Community