SybaseXAResource.java

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//Source File Name:   SybaseXAResource.java

package com.sun.enterprise.transaction.jts.recovery;

import javax.transaction.xa.*;
import javax.resource.ResourceException;

import com.sun.enterprise.transaction.api.XAResourceWrapper;
import com.sun.enterprise.util.i18n.StringManager;

/**
 * XA Resource wrapper class for sybase XA Resource with jConnect 5.2.
 *
 * @author <a href="mailto:bala.dutt@sun.com">Bala Dutt</a>
 * @version 1.0
 */
public class SybaseXAResource extends XAResourceWrapper
{


    // Use superclass Sting Manager for Localization
    private static StringManager sm = StringManager.getManager(XAResourceWrapper.class);

    public XAResourceWrapper getInstance() {
        return new SybaseXAResource();
    }

  /**
   * Returns xids list for recovery depending on flags. Sybase XA Resource ignores the flags
   * for XAResource recover call. This method takes care for the fault. Allows the recover call
   * only for TMSTARTRSCAN, for other values of flags just returns null.
   *
   * @param flag an <code>int</code> value
   * @return a <code>Xid[]</code> value
   * @exception XAException if an error occurs
   */
  public Xid[] recover(int flag) throws XAException {
        try{
            if(flag==XAResource.TMSTARTRSCAN)
                return m_xacon.getXAResource().recover(flag);
        }catch(ResourceException e){
            //a bad xa connection given...
            // throw new XAException("sybase XA resource wrapper : Could not connect : sqlexception was "+e);
            throw new XAException(sm.getString("transaction.sybase_xa_wrapper_connection_failed",e));
        }
        return null;
    }
    public void commit(Xid xid, boolean flag) throws XAException{
        try{
            m_xacon.getXAResource().commit(xid, flag);
        }catch(ResourceException e){
            //a bad xa connection given...
            throw new XAException(sm.getString("transaction.sybase_xa_wrapper_connection_failed",e));
            // throw new XAException("sybase XA resource wrapper :Could not connect : sqlexception was "+e);
        }
    }
    public void rollback(Xid xid) throws XAException{
        try{
            m_xacon.getXAResource().rollback(xid);
        }catch(ResourceException e){
            //a bad xa connection given...
            throw new XAException(sm.getString("transaction.sybase_xa_wrapper_connection_failed",e));
            // throw new XAException("sybase XA resource wrapper :Could not connect : sqlexception was "+e);
        }
    }
}