Package com.sun.ejb.base.sfsb.store

Source Code of com.sun.ejb.base.sfsb.store.FileTxStoreManager

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package com.sun.ejb.base.sfsb.store;

import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;

import com.sun.ejb.spi.sfsb.store.SFSBTxStoreManager;
import com.sun.ejb.spi.sfsb.store.SFSBStoreManager;
import com.sun.ejb.spi.sfsb.store.SFSBBeanState;
import com.sun.ejb.spi.sfsb.store.SFSBStoreManagerException;


/**
* A SFSBTxStoreManager that <b>CANNOT</b> save multiple SFSBBeanStates
*  as a single transactional unit (Example file system).
*
* This implementation simply stores each BeanState separately by
*  calling the appropriate StoreManager's checkpointSave method
*
* @author Mahesh Kannan
*/
public class FileTxStoreManager
    implements SFSBTxStoreManager
{

    private static final Level TRACE_LEVEL = Level.FINE;

    protected static final Logger _logger =
        LogDomains.getLogger(LogDomains.EJB_LOGGER);

    public FileTxStoreManager() {
    }

    public void checkpointSave(SFSBBeanState[] beanStates)
        throws SFSBStoreManagerException
    {
  int sz = beanStates.length;
  for (int i=0; i<sz; i++) {
      SFSBStoreManager manager = beanStates[i].getSFSBStoreManager();
      try {
    if (manager == null) {
        _logger.log(Level.WARNING,
      "StoreManager is null. Cannot checkpoint");
    } else {
        manager.checkpointSave(beanStates[i]);
        if (_logger.isLoggable(TRACE_LEVEL)) {
      _logger.log(TRACE_LEVEL, "Successfully txCheckpointed "
          + beanStates.length + " beans...");
        }
    }
      } catch (SFSBStoreManagerException smEx) {
    _logger.log(Level.WARNING,
      "StoreManagerException during checkpointSave", smEx);
      } catch (Throwable th) {
    _logger.log(Level.WARNING,
      "Exception during checkpointSave", th);
      }
  }
    }

}
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