package com.avaje.ebeaninternal.server.cluster;
import java.io.DataInput;
import java.io.IOException;
import com.avaje.ebeaninternal.api.SpiEbeanServer;
import com.avaje.ebeaninternal.api.TransactionEventTable.TableIUD;
import com.avaje.ebeaninternal.server.transaction.BeanDelta;
import com.avaje.ebeaninternal.server.transaction.BeanPersistIds;
import com.avaje.ebeaninternal.server.transaction.IndexEvent;
import com.avaje.ebeaninternal.server.transaction.RemoteTransactionEvent;
/**
* A Packet holding TransactionEvent data.
* <p>
* Due to the hard limit for UDP packet sizes a RemoteTransactionEvent
* is actually broken up into smaller messages.
* </p>
* @author rbygrave
*/
public class PacketTransactionEvent extends Packet {
private final SpiEbeanServer server;
private final RemoteTransactionEvent event;
public static PacketTransactionEvent forWrite(long packetId, long timestamp, String serverName) throws IOException {
return new PacketTransactionEvent(true, packetId, timestamp, serverName);
}
private PacketTransactionEvent(boolean write, long packetId, long timestamp, String serverName) throws IOException {
super(write, TYPE_TRANSEVENT, packetId, timestamp, serverName);
this.server = null;
this.event = null;
}
private PacketTransactionEvent(Packet header, SpiEbeanServer server) throws IOException {
super(false, TYPE_TRANSEVENT, header.packetId, header.timestamp, header.serverName);
this.server = server;
this.event = new RemoteTransactionEvent(server);
}
public static PacketTransactionEvent forRead(Packet header, SpiEbeanServer server) throws IOException {
return new PacketTransactionEvent(header, server);
}
public RemoteTransactionEvent getEvent() {
return event;
}
protected void readMessage(DataInput dataInput, int msgType) throws IOException {
switch (msgType) {
case BinaryMessage.TYPE_BEANIUD:
event.addBeanPersistIds(BeanPersistIds.readBinaryMessage(server, dataInput));
break;
case BinaryMessage.TYPE_TABLEIUD:
event.addTableIUD(TableIUD.readBinaryMessage(dataInput));
break;
case BinaryMessage.TYPE_BEANDELTA:
event.addBeanDelta(BeanDelta.readBinaryMessage(server, dataInput));
break;
case BinaryMessage.TYPE_INDEX:
event.addIndexEvent(IndexEvent.readBinaryMessage(dataInput));
break;
default:
throw new RuntimeException("Invalid Transaction msgType "+msgType);
}
}
}