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/*
* @(#)TransactionManagerConfig.java 1.15 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.management.mbeans;
import java.util.Enumeration;
import java.util.Vector;
import javax.management.ObjectName;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.MBeanNotificationInfo;
import javax.management.AttributeChangeNotification;
import javax.management.MBeanException;
import javax.transaction.xa.XAResource;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.jmsserver.data.TransactionUID;
import com.sun.messaging.jmq.jmsserver.data.TransactionList;
import com.sun.messaging.jmq.jmsserver.data.TransactionState;
import com.sun.messaging.jmq.jmsserver.data.RollbackReason;
import com.sun.messaging.jmq.jmsserver.data.PacketRouter;
import com.sun.messaging.jmq.jmsserver.data.handlers.TransactionHandler;
import com.sun.messaging.jmq.io.PacketType;
import com.sun.messaging.jmq.util.JMQXid;
import com.sun.messaging.jms.management.server.*;
public class TransactionManagerConfig extends MQMBeanReadWrite {
private static MBeanAttributeInfo[] attrs = {
new MBeanAttributeInfo(TransactionAttributes.NUM_TRANSACTIONS,
Integer.class.getName(),
mbr.getString(mbr.I_TXN_MGR_ATTR_NUM_TRANSACTIONS),
true,
false,
false)
};
private static MBeanParameterInfo[] txnIdParam = {
new MBeanParameterInfo("transactionID", String.class.getName(),
mbr.getString(mbr.I_TXN_MGR_OP_PARAM_TXN_ID))
};
private static MBeanOperationInfo[] ops = {
new MBeanOperationInfo(TransactionOperations.COMMIT,
mbr.getString(mbr.I_TXN_MGR_OP_COMMIT),
txnIdParam,
Void.TYPE.getName(),
MBeanOperationInfo.ACTION),
new MBeanOperationInfo(TransactionOperations.GET_TRANSACTION_IDS,
mbr.getString(mbr.I_TXN_MGR_OP_GET_TRANSACTION_IDS),
null,
String[].class.getName(),
MBeanOperationInfo.INFO),
new MBeanOperationInfo(TransactionOperations.ROLLBACK,
mbr.getString(mbr.I_TXN_MGR_OP_ROLLBACK),
txnIdParam,
Void.TYPE.getName(),
MBeanOperationInfo.ACTION),
};
public TransactionManagerConfig() {
super();
}
public Integer getNumTransactions() {
TransactionList tl = Globals.getTransactionList();
Vector transactions = tl.getTransactions(-1);
return (new Integer(transactions.size()));
}
public void commit(String transactionID) throws MBeanException {
doRollbackCommit(transactionID, false);
}
public String[] getTransactionIDs() throws MBeanException {
TransactionList tl = Globals.getTransactionList();
Vector transactions = tl.getTransactions(-1);
String ids[];
if ((transactions == null) || (transactions.size() == 0)) {
return (null);
}
ids = new String [ transactions.size() ];
Enumeration e = transactions.elements();
int i = 0;
while (e.hasMoreElements()) {
TransactionUID tid = (TransactionUID)e.nextElement();
long txnID = tid.longValue();
String id;
try {
id = Long.toString(txnID);
ids[i] = id;
} catch (Exception ex) {
handleOperationException(TransactionOperations.GET_TRANSACTION_IDS, ex);
}
i++;
}
return (ids);
}
public void rollback(String transactionID) throws MBeanException {
doRollbackCommit(transactionID, true);
}
public void doRollbackCommit(String transactionID, boolean rollback)
throws MBeanException {
try {
long longTid = 0;
if (transactionID == null) {
throw new Exception("Null transaction ID");
}
try {
longTid = Long.parseLong(transactionID);
} catch (Exception e) {
throw new Exception("Invalid transaction ID: " + transactionID);
}
TransactionUID tid = new TransactionUID(longTid);
TransactionList tl = Globals.getTransactionList();
TransactionState ts;
if (tl == null) {
throw new Exception("Null transaction list");
}
ts = tl.retrieveState(tid);
if (ts == null) {
throw new Exception(rb.getString(rb.E_NO_SUCH_TRANSACTION, tid));
}
if (ts.getState() != TransactionState.PREPARED) {
throw new Exception(rb.getString(rb.E_TRANSACTION_NOT_PREPARED, tid));
}
JMQXid xid = tl.UIDToXid(tid);
if (xid == null) {
throw new Exception(rb.getString(rb.E_INTERNAL_BROKER_ERROR,
"Could not find Xid for " + tid));
}
PacketRouter pr = Globals.getPacketRouter(0);
if (pr == null) {
throw new Exception(rb.getString(rb.E_INTERNAL_BROKER_ERROR,
"Could not locate Packet Router"));
}
TransactionHandler thandler = (TransactionHandler)
pr.getHandler(PacketType.ROLLBACK_TRANSACTION);
if (thandler == null) {
throw new Exception(rb.getString(rb.E_INTERNAL_BROKER_ERROR,
"Could not locate Transaction Handler"));
}
if (rollback) {
thandler.doRollback(tid, xid, null, ts, null, null, RollbackReason.ADMIN);
} else {
thandler.doCommit(tid, xid, new Integer(XAResource.TMNOFLAGS), ts, null,
false, null, null);
}
} catch(Exception e) {
String opName;
if (rollback) {
opName = TransactionOperations.ROLLBACK;
} else {
opName = TransactionOperations.COMMIT;
}
handleOperationException(opName, e);
}
}
public String getMBeanName() {
return ("TransactionManagerConfig");
}
public String getMBeanDescription() {
return (mbr.getString(mbr.I_TXN_MGR_CFG_DESC));
}
public MBeanAttributeInfo[] getMBeanAttributeInfo() {
return (attrs);
}
public MBeanOperationInfo[] getMBeanOperationInfo() {
return (ops);
}
public MBeanNotificationInfo[] getMBeanNotificationInfo() {
return (null);
}
}