com.h3c.of.lib.match

Class MatchFactory

java.lang.Object

com.h3c.of.lib.AbstractFactory

com.h3c.of.lib.match.MatchFactory

public class MatchFactory
extends AbstractFactory

Provides facilities for parsing, creating and encoding Match instances.

Method Summary

Methods

Modifier and Type	Method and Description
static MutableMatch	createMatch(ProtocolVersion pv) Creates a mutable match instance.
static void	encodeMatch(Match match, OfPacketWriter pkt) Encodes a match, writing it into the supplied buffer.
static Match	parseMatch(OfPacketReader pkt, ProtocolVersion pv) Parses a Match structure from the supplied buffer.
protected String	tag() Returns an identifying tag for the match factory.

Methods inherited from class com.h3c.of.lib.AbstractFactory

mpe, mpe, mpe, mpe

Methods inherited from class java.lang.Object

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

Method Detail

tag

protected String tag()

Returns an identifying tag for the match factory.

Specified by:

tag in class AbstractFactory

Returns:

an identifying tag

parseMatch

public static Match parseMatch(OfPacketReader pkt,
               ProtocolVersion pv)
                        throws MessageParseException

Parses a Match structure from the supplied buffer. Note that this method causes the reader index of the underlying PacketBuffer to be advanced by the length of the structure (including the padding).

Parameters:

pkt - the data buffer

pv - the protocol version

Returns:

a parsed match structure

Throws:

MessageParseException - if unable to parse the structure

createMatch

public static MutableMatch createMatch(ProtocolVersion pv)

Creates a mutable match instance.

Parameters:

pv - the protocol version

Returns:

a mutable match

Throws:

VersionNotSupportedException - if the version is not supported

encodeMatch

public static void encodeMatch(Match match,
               OfPacketWriter pkt)

Encodes a match, writing it into the supplied buffer. Note that this method causes the writer index of the underlying PacketBuffer to be advanced by the length of the match.

Parameters:

match - the match

pkt - the buffer into which the match is to be written