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package com.sun.messaging.jmq.jmsserver.persist.file;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.data.BaseTransaction;
import com.sun.messaging.jmq.jmsserver.data.ClusterTransaction;
import com.sun.messaging.jmq.jmsserver.data.TransactionBroker;
import com.sun.messaging.jmq.jmsserver.data.TransactionState;
import com.sun.messaging.jmq.jmsserver.data.TransactionWork;
import com.sun.messaging.jmq.jmsserver.persist.Store;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.util.log.Logger;
public abstract class ClusterTransactionEvent extends TransactionEvent {
public static final byte Type2PPrepareEvent = 1;
public static final byte Type2PCompleteEvent = 2;
ClusterTransaction clusterTransaction;
static TransactionEvent create(byte subtype) {
TransactionEvent result = null;
switch (subtype) {
case Type2PPrepareEvent:
result = new ClusterTransaction2PPrepareEvent();
break;
case Type2PCompleteEvent:
result = new ClusterTransaction2PCompleteEvent();
break;
default:
throw new UnsupportedOperationException();
}
return result;
}
int getType() {
return BaseTransaction.CLUSTER_TRANSACTION_TYPE;
}
abstract int getSubType();
}
class ClusterTransaction2PPrepareEvent extends ClusterTransactionEvent {
int getSubType() {
return Type2PPrepareEvent;
}
String getPrefix() {
return "ClusterTransaction2PPrepareEvent: " + Thread.currentThread().getName();
}
public byte[] writeToBytes() throws IOException {
if (Store.getDEBUG()) {
Globals.getLogger().log(Logger.DEBUG,
getPrefix() + " writeToBytes");
}
// Log all msgs and acks for producing and consuming txn
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
dos.writeByte(BaseTransaction.CLUSTER_TRANSACTION_TYPE);
dos.writeByte(Type2PPrepareEvent);
if (Store.getDEBUG()) {
Globals.getLogger().log(Logger.DEBUG,
getPrefix() + "post write types size= "+ dos.size());
}
clusterTransaction.getTransactionDetails().writeContent(dos);
if (Store.getDEBUG()) {
Globals.getLogger().log(Logger.DEBUG,
getPrefix() + "post write content size= "+ dos.size());
}
clusterTransaction.getTransactionWork().writeWork(dos);
if (Store.getDEBUG()) {
Globals.getLogger().log(Logger.DEBUG,
getPrefix() + "post write work size= "+ dos.size());
}
ByteArrayOutputStream baos2 = new ByteArrayOutputStream(1024);
ObjectOutputStream oos = new ObjectOutputStream(baos2);
oos.writeObject(clusterTransaction.getTransactionState());
oos.writeObject(clusterTransaction.getTransactionBrokers());
oos.close();
byte[] data = baos2.toByteArray();
int length = data.length;
dos.writeInt(length);
dos.write(data);
baos2.close();
dos.close();
baos.close();
byte[] data2 = baos.toByteArray();
return data2;
}
public void readFromBytes(byte[] data) throws IOException, BrokerException {
if (Store.getDEBUG()) {
Globals.getLogger().log(Logger.DEBUG,
getPrefix() + "readFromBytes");
}
ByteArrayInputStream bais = new ByteArrayInputStream(data);
DataInputStream dis = new DataInputStream(bais);
clusterTransaction = new ClusterTransaction();
dis.skip(2);
clusterTransaction.getTransactionDetails().readContent(dis);
if (Store.getDEBUG()) {
Globals.getLogger().log(Logger.DEBUG,
getPrefix() + "read details "+ clusterTransaction.getTransactionDetails());
}
TransactionWork work = new TransactionWork();
work.readWork(dis);
clusterTransaction.setTransactionWork(work);
int objectBodySize = dis.readInt();
byte[] objectBody = new byte[objectBodySize];
dis.read(objectBody);
ByteArrayInputStream bais2 = new ByteArrayInputStream(objectBody);
ObjectInputStream ois = new ObjectInputStream(bais2);
try {
clusterTransaction.setTransactionState((TransactionState) ois
.readObject());
clusterTransaction.setTransactionBrokers((TransactionBroker[]) ois
.readObject());
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
ois.close();
bais2.close();
dis.close();
bais.close();
}
}
class ClusterTransaction2PCompleteEvent extends ClusterTransactionEvent {
int getSubType() {
return Type2PCompleteEvent;
}
byte[] writeToBytes() throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
dos.writeByte(BaseTransaction.CLUSTER_TRANSACTION_TYPE);
dos.writeByte(Type2PCompleteEvent);
clusterTransaction.getTransactionDetails().writeContent(dos);
byte[] data = bos.toByteArray();
dos.close();
bos.close();
return data;
}
void readFromBytes(byte[] data) throws IOException, BrokerException {
ByteArrayInputStream bais = new ByteArrayInputStream(data);
DataInputStream dis = new DataInputStream(bais);
clusterTransaction = new ClusterTransaction();
dis.skip(2);
clusterTransaction.getTransactionDetails().readContent(dis);
dis.close();
bais.close();
}
}