/**
* Copyright (C) 2016-2017 Regents of the University of California.
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* @author: From ndn-cxx fields.hpp https://github.com/named-data/ndn-cxx/blob/master/src/lp/fields.hpp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* A copy of the GNU Lesser General Public License is in the file COPYING.
*/
package net.named_data.jndn.lp;
/**
* IncomingFaceId represents the incoming face ID header field in an NDNLPv2 packet.
* http://redmine.named-data.net/projects/nfd/wiki/NDNLPv2
*/
public class IncomingFaceId {
/**
* Get the incoming face ID value.
* @return The face ID value.
*/
public long
getFaceId() { return faceId_; }
/**
* Set the face ID value.
* @param faceId The incoming face ID value.
*/
public void
setFaceId(long faceId)
{
faceId_ = faceId;
}
/**
* Get the first header field in lpPacket which is an IncomingFaceId. This is
* an internal method which the application normally would not use.
* @param lpPacket The LpPacket with the header fields to search.
* @return The first IncomingFaceId header field, or null if not found.
*/
static public IncomingFaceId
getFirstHeader(LpPacket lpPacket)
{
for (int i = 0; i < lpPacket.countHeaderFields(); ++i) {
Object field = lpPacket.getHeaderField(i);
if (field instanceof IncomingFaceId)
return (IncomingFaceId)field;
}
return null;
}
private long faceId_ = -1;
}