avalon-cvs mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From blorit...@apache.org
Subject cvs commit: jakarta-avalon-apps/infomover/src/java/org/apache/infomover/notifier Notifier.java
Date Mon, 09 Sep 2002 20:06:47 GMT
bloritsch    2002/09/09 13:06:46

  Modified:    infomover/src/java/org/apache/infomover/jobmanager Job.java
               infomover/src/java/org/apache/infomover/jobmanager/impl
                        JobImpl.java
  Added:       infomover/src/java/org/apache/infomover/jobmanager/impl
                        JobRunner.java
               infomover/src/java/org/apache/infomover/notifier
                        Notifier.java
  Log:
  add a little meat on the bones.  Adding the Pipeline code and a little of the management
code
  
  Revision  Changes    Path
  1.5       +5 -0      jakarta-avalon-apps/infomover/src/java/org/apache/infomover/jobmanager/Job.java
  
  Index: Job.java
  ===================================================================
  RCS file: /home/cvs/jakarta-avalon-apps/infomover/src/java/org/apache/infomover/jobmanager/Job.java,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- Job.java	9 Sep 2002 17:45:48 -0000	1.4
  +++ Job.java	9 Sep 2002 20:06:46 -0000	1.5
  @@ -68,6 +68,11 @@
       long getLastRun();
   
       /**
  +     * Determine if the Job is still running
  +     */
  +    boolean isRunning();
  +
  +    /**
        * Cancel or stop a running job
        */
       void cancel();
  
  
  
  1.2       +55 -4     jakarta-avalon-apps/infomover/src/java/org/apache/infomover/jobmanager/impl/JobImpl.java
  
  Index: JobImpl.java
  ===================================================================
  RCS file: /home/cvs/jakarta-avalon-apps/infomover/src/java/org/apache/infomover/jobmanager/impl/JobImpl.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- JobImpl.java	9 Sep 2002 17:45:48 -0000	1.1
  +++ JobImpl.java	9 Sep 2002 20:06:46 -0000	1.2
  @@ -51,8 +51,10 @@
   
   import org.apache.infomover.jobmanager.Job;
   import org.apache.infomover.jobmanager.JobException;
  -import org.apache.avalon.framework.configuration.*;
   import org.apache.avalon.framework.activity.*;
  +import org.apache.avalon.framework.configuration.*;
  +import org.apache.avalon.framework.logger.*;
  +import org.apache.avalon.framework.service.*;
   
   /**
    * The <code>Job</code> interface represents a job that can be
  @@ -61,8 +63,29 @@
    * @author <a href="mailto:bloritsch@apache.org">Berin Loritsch</a>
    * @version 1.0
    */
  -public class JobImpl implements Job, Configurable, Suspendable, Startable
  +public class JobImpl extends AbstractLogEnabled
  +    implements Job, Configurable, Suspendable,
  +               Serviceable, Startable, Initializable
   {
  +    private Configuration m_config;
  +    private ServiceManager m_manager;
  +
  +    private int m_transactionCount;
  +    private int m_successfulTransactionCount;
  +    private long m_lastRun;
  +    private boolean m_isRunning;
  +
  +    /**
  +     * Set up a JobImpl with the basic state
  +     */
  +    public JobImpl()
  +    {
  +        m_transactionCount = 0;
  +        m_successfulTransactionCount = 0;
  +        m_lastRun = -1;
  +        m_isRunning = false;
  +    }
  +
       /**
        * Returns the time when the job was last executed.  It helps in checking
        * if the job is current.
  @@ -73,6 +96,14 @@
       }
   
       /**
  +     * Determine if the Job is still running
  +     */
  +    public boolean isRunning()
  +    {
  +        return m_isRunning;
  +    }
  +
  +    /**
        * Cancel or stop a running job
        */
       public void cancel()
  @@ -88,7 +119,7 @@
        */
       public int transactionCount()
       {
  -        throw new UnsupportedOperationException();
  +        return m_transactionCount;
       }
   
       /**
  @@ -103,8 +134,19 @@
       }
   
       public void configure( Configuration config )
  -        throws ConfigurationException
       {
  +        m_config = config;
  +    }
  +
  +    public void service( ServiceManager manager )
  +    {
  +        m_manager = manager;
  +    }
  +
  +    public void initialize()
  +        throws Exception
  +    {
  +        // Set up the resources.
           throw new UnsupportedOperationException();
       }
   
  @@ -120,11 +162,20 @@
   
       public void start()
       {
  +        m_transactionCount = 0;
  +        m_successfulTransactionCount = 0;
  +        m_lastRun = System.currentTimeMillis();
  +        m_isRunning = true;
  +
  +        // Get the resources needed to process
           throw new UnsupportedOperationException();
       }
   
       public void stop()
       {
  +        m_isRunning = false;
  +
  +        // Release the resources needed to process
           throw new UnsupportedOperationException();
       }
   }
  
  
  
  1.1                  jakarta-avalon-apps/infomover/src/java/org/apache/infomover/jobmanager/impl/JobRunner.java
  
  Index: JobRunner.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software Foundation"
      must not be used to endorse or promote products derived from this  software
      without  prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation. For more  information on the
   Apache Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.infomover.jobmanager.impl;
  
  import org.apache.infomover.input.Input;
  import org.apache.infomover.manipulator.Manipulator;
  import org.apache.infomover.output.Output;
  import org.apache.infomover.notifier.Notifier;
  import org.apache.infomover.transaction.*;
  import org.apache.infomover.jobmanager.Job;
  import org.apache.infomover.jobmanager.JobException;
  import org.apache.avalon.framework.activity.*;
  import org.apache.avalon.framework.configuration.*;
  import org.apache.avalon.framework.logger.*;
  import org.apache.avalon.framework.service.*;
  
  /**
   * The <code>Job</code> interface represents a job that can be
   * executed.
   *
   * @author <a href="mailto:bloritsch@apache.org">Berin Loritsch</a>
   * @version 1.0
   */
  public class JobRunner extends AbstractLogEnabled
      implements Suspendable, Executable
  {
      private volatile int m_transactionCount;
      private volatile int m_successfulTransactionCount;
      private volatile boolean m_isRunning;
      private volatile boolean m_isPaused;
      private volatile boolean m_isCanceled;
  
      private final Object        m_semaphore;
  
      private final Input         m_input;
      private final Manipulator[] m_manipulators;
      private final Output        m_output;
      private final Notifier      m_notifier;
  
      /**
       * Set up a JobImpl with the basic state
       */
      public JobRunner(Input in, Manipulator[] manip, Output out, Notifier notifier)
      {
          m_transactionCount = 0;
          m_successfulTransactionCount = 0;
          m_isRunning  = false;
          m_isPaused   = false;
          m_isCanceled = false;
          m_semaphore  = new Object();
  
          m_input        = in;
          m_manipulators = manip;
          m_output       = out;
          m_notifier     = notifier;
      }
  
      public void execute() throws Exception
      {
          m_isRunning = true;
  
          boolean hasMoreTransactions = true;
          while ( ! m_isCanceled && hasMoreTransactions )
          {
              // Wait until we are no longer paused
              synchronized( m_semaphore )
              {
                  while ( m_isPaused )
                  {
                      try
                      {
                          // check every second
                          m_semaphore.wait( 1000 );
                      }
                      catch ( InterruptedException ie )
                      {
                          // ignore
                      }
                  }
              }
  
              Transaction trans = m_input.getNextTransaction();
              hasMoreTransactions = trans != null;
  
              if ( ! m_isCanceled && hasMoreTransactions )
              {
                  m_transactionCount++;
  
                  for (int i = 0; i < m_manipulators.length && trans.isSuccessful();
i++)
                  {
                      trans = m_manipulators[i].process( trans );
                  }
  
                  Response result = null;
  
                  if ( trans.isSuccessful() )
                  {
                      result = m_output.process( trans );
                  }
                  else
                  {
                      result = trans.getResponse();
                  }
  
                  if ( result.isSuccessful() )
                  {
                      m_successfulTransactionCount++;
                  }
  
                  m_notifier.notify( result );
              }
          }
  
          m_isRunning = false;
      }
  
      /**
       * Determine if the Job is still running
       */
      public boolean isRunning()
      {
          return m_isRunning;
      }
  
      /**
       * Cancel or stop a running job
       */
      public void cancel()
      {
          synchronized ( m_semaphore )
          {
              m_isCanceled = true;
              m_semaphore.notifyAll();
          }
      }
  
      /**
       * Get the number of transactions processed in the last run.  For jobs
       * that are continually running (i.e. listening for input information
       * from a network connection), it returns the cumulative number of
       * transactions processed for this Job.
       */
      public int transactionCount()
      {
          return m_transactionCount;
      }
  
      /**
       * Get the number of transactions successfully processed in the last run.
       * For jobs that are continually running (i.e. listening for input
       * information from a network connection), it returns the cumulative
       * number of successful transactions for this job.
       */
      public int successfulTransactionCount()
      {
          return m_successfulTransactionCount;
      }
  
      public void suspend()
      {
          synchronized( m_semaphore )
          {
              m_isPaused = true;
              m_semaphore.notifyAll();
          }
      }
  
      public void resume()
      {
          synchronized( m_semaphore )
          {
              m_isPaused = false;
              m_semaphore.notifyAll();
          }
      }
  }
  
  
  
  
  1.1                  jakarta-avalon-apps/infomover/src/java/org/apache/infomover/notifier/Notifier.java
  
  Index: Notifier.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software Foundation"
      must not be used to endorse or promote products derived from this  software
      without  prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation. For more  information on the
   Apache Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.infomover.notifier;
  
  import org.apache.infomover.transaction.*;
  
  /**
   * The Notifier handles all the result notification policies.
   *
   * @author <a href="mailto:bloritsch@apache.org">Berin Loritsch</a>
   * @version 1.0
   */
  public interface Notifier
  {
      /**
       * Perform the actual notification.
       */
      void notify( Response result );
  }
  
  
  

--
To unsubscribe, e-mail:   <mailto:avalon-cvs-unsubscribe@jakarta.apache.org>
For additional commands, e-mail: <mailto:avalon-cvs-help@jakarta.apache.org>


Mime
View raw message