TransactionManagerMonitor.java :  » JMS » Open-Message-Queue » com » sun » messaging » jmq » jmsserver » management » mbeans » Java Open Source

/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * https://glassfish.dev.java.net/public/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * https://glassfish.dev.java.net/public/CDDLv1.0.html.  
 *
 * If applicable add the following below this CDDL HEADER,
 * with the fields enclosed by brackets "[]" replaced with 
 * your own identifying information: Portions Copyright 
 * [year] [name of copyright owner]
 */

/*
 * @(#)TransactionManagerMonitor.java  1.15 05/02/06
 *
 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
 */ 

package com.sun.messaging.jmq.jmsserver.management.mbeans;

import java.util.Vector;
import java.util.Enumeration;

import javax.management.ObjectName;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanNotificationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.MBeanException;
import javax.management.openmbean.CompositeData;

import com.sun.messaging.jms.management.server.*;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.data.TransactionList;
import com.sun.messaging.jmq.jmsserver.data.TransactionUID;
import com.sun.messaging.jmq.jmsserver.data.TransactionState;

import com.sun.messaging.jmq.jmsserver.management.util.TransactionUtil;

public class TransactionManagerMonitor extends MQMBeanReadOnly  {
    private static MBeanAttributeInfo[] attrs = {
      new MBeanAttributeInfo(TransactionAttributes.NUM_TRANSACTIONS,
          Integer.class.getName(),
          mbr.getString(mbr.I_TXN_MGR_ATTR_NUM_TRANSACTIONS),
          true,
          false,
          false),

      new MBeanAttributeInfo(TransactionAttributes.NUM_TRANSACTIONS_COMMITTED,
          Long.class.getName(),
          mbr.getString(mbr.I_TXN_MGR_ATTR_NUM_TRANSACTIONS_COMMITTED),
          true,
          false,
          false),

      new MBeanAttributeInfo(TransactionAttributes.NUM_TRANSACTIONS_ROLLBACK,
          Long.class.getName(),
          mbr.getString(mbr.I_TXN_MGR_ATTR_NUM_TRANSACTIONS_ROLLBACK),
          true,
          false,
          false)
      };

    private static MBeanParameterInfo[] getTransactionInfoByIDSignature = {
        new MBeanParameterInfo("transactionID", String.class.getName(), 
      mbr.getString(mbr.I_TXN_MGR_OP_PARAM_TXN_ID))
          };

    private static MBeanOperationInfo[] ops = {
      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.GET_TRANSACTION_INFO,
    mbr.getString(mbr.I_TXN_MGR_OP_GET_TRANSACTION_INFO),
        null , 
        CompositeData[].class.getName(),
        MBeanOperationInfo.INFO),

      new MBeanOperationInfo(TransactionOperations.GET_TRANSACTION_INFO_BY_ID,
    mbr.getString(mbr.I_TXN_MGR_OP_GET_TRANSACTION_INFO_BY_ID),
        getTransactionInfoByIDSignature, 
        CompositeData.class.getName(),
        MBeanOperationInfo.INFO)
    };
  
    private static String[] txnNotificationTypes = {
        TransactionNotification.TRANSACTION_COMMIT,
        TransactionNotification.TRANSACTION_PREPARE,
        TransactionNotification.TRANSACTION_ROLLBACK
    };

    private static MBeanNotificationInfo[] notifs = {
      new MBeanNotificationInfo(
        txnNotificationTypes,
        TransactionNotification.class.getName(),
        mbr.getString(mbr.I_TXN_NOTIFICATIONS)
        )
    };

    private long numTransactionsCommitted = 0;
    private long numTransactionsRollback = 0;

    public TransactionManagerMonitor()  {
  super();
    }

    public Integer getNumTransactions()  {
  TransactionList tl = Globals.getTransactionList();
  Vector transactions = tl.getTransactions(-1);

  return (new Integer(transactions.size()));
    }

    public Long getNumTransactionsCommitted()  {
  return (new Long(numTransactionsCommitted));
    }

    public Long getNumTransactionsRollback()  {
  return (new Long(numTransactionsRollback));
    }

    public void resetMetrics()  {
        numTransactionsCommitted = 0;
        numTransactionsRollback = 0;
    }

    public String[] getTransactionIDs() throws MBeanException  {
  return (TransactionUtil.getTransactionIDs());
    }

    public CompositeData[] getTransactionInfo() throws MBeanException {
  CompositeData cds[] = null;

  try  {
      cds = TransactionUtil.getTransactionInfo();
  } catch(Exception e)  {
      handleOperationException(TransactionOperations.GET_TRANSACTION_INFO, e);
  }

  return (cds);
    }

    public CompositeData getTransactionInfoByID(String transactionID) throws MBeanException  {
  CompositeData cd = null;

  try  {
      cd = TransactionUtil.getTransactionInfo(transactionID);
  } catch(Exception e)  {
      handleOperationException(TransactionOperations.GET_TRANSACTION_INFO_BY_ID, e);
  }

  return (cd);
    }


    public String getMBeanName()  {
  return ("TransactionManagerMonitor");
    }

    public String getMBeanDescription()  {
  return (mbr.getString(mbr.I_TXN_MGR_MON_DESC));
    }

    public MBeanOperationInfo[] getMBeanOperationInfo()  {
  return (ops);
    }

    public MBeanAttributeInfo[] getMBeanAttributeInfo()  {
  return (attrs);
    }

    public MBeanNotificationInfo[] getMBeanNotificationInfo()  {
  return (notifs);
    }

    public void notifyTransactionCommit(long id)  {
  TransactionNotification n;
  n = new TransactionNotification(TransactionNotification.TRANSACTION_COMMIT, 
      this, sequenceNumber++);
  n.setTransactionID(Long.toString(id));

  sendNotification(n);

        numTransactionsCommitted++;
    }

    public void notifyTransactionPrepare(long id)  {
  TransactionNotification n;
  n = new TransactionNotification(TransactionNotification.TRANSACTION_PREPARE, 
      this, sequenceNumber++);
  n.setTransactionID(Long.toString(id));

  sendNotification(n);
    }

    public void notifyTransactionRollback(long id)  {
  TransactionNotification n;
  n = new TransactionNotification(TransactionNotification.TRANSACTION_ROLLBACK, 
      this, sequenceNumber++);
  n.setTransactionID(Long.toString(id));

  sendNotification(n);

        numTransactionsRollback++;
    }
}