/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.net.protocol;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Map;
import org.structr.net.data.time.PseudoTime;
import org.structr.net.peer.Peer;
import org.structr.net.peer.PeerInfo;
import org.structr.net.repository.RepositoryObject;
/**
*
*/
public class GetHistory extends Message {
private PseudoTime instant = null;
private String recipient = null;
private String objectId = null;
public GetHistory() {
this(null, null, null, null);
}
public GetHistory(final String sender, final String recipient, final String objectId, final PseudoTime instant) {
super(15, sender);
this.instant = instant;
this.recipient = recipient;
this.objectId = objectId;
}
@Override
public void onMessage(Peer peer, PeerInfo sender) {
if (peer.getUuid().equals(recipient)) {
final RepositoryObject obj = peer.getRepository().getObject(objectId);
if (obj != null) {
final PseudoTime lastModified = obj.getLastModificationTime();
if (lastModified.before(instant)) {
final Map<String, Object> data = obj.getProperties(instant);
peer.log("History(", objectId, ")");
peer.broadcast(new History(peer.getUuid(), getSender(), objectId, obj.getType(), obj.getUserId(), obj.getCreationTime(), lastModified, data));
} else {
peer.log("GetHistory(", objectId, "): not modified");
}
} else {
peer.log("GetHistory(", objectId, "): object not found");
}
}
}
@Override
public void serialize(final DataOutputStream dos) throws IOException {
super.serialize(dos);
serializeUUID(dos, recipient); // dos.writeUTF(recipient);
serializeUUID(dos, objectId); // dos.writeUTF(objectId);
instant.serialize(dos);
}
@Override
public void deserialize(final DataInputStream dis) throws IOException {
super.deserialize(dis);
this.recipient = deserializeUUID(dis); // dis.readUTF();
this.objectId = deserializeUUID(dis); // dis.readUTF();
this.instant = new PseudoTime();
instant.deserialize(dis);
}
}