Package ch.ethz.vs.rowa.job

Examples of ch.ethz.vs.rowa.job.ClientRequests

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      Connection conn = DriverManager.getConnection(dbURL.get(roundRobin), user, pass);
      System.out.println("connection established at: "+dbURL.get(roundRobin));
      roundRobin = (roundRobin + 1) % this.numberOfReplicas;
      connections.put(uuid, conn);
      connectionsDB.put(uuid, new Integer(roundRobin+1));
      waitingJobList.put(uuid, new ClientRequests(uuid));
    } catch (SQLException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    System.out.println("END transaction " + uuid);
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   */
  public void commitTransaction(UUID uuid) throws MiddlewareException
  {
    CommitJob commitJob = new CommitJob(uuid,this);
    synchronized(waitingJobList){
      ClientRequests crequest = waitingJobList.get(uuid);
      //System.out.println("running commit: "+crequest.isRunning());
      synchronized (crequest) {
        if(crequest.isRunning()){
          crequest.addJob(commitJob);
        }
        else{
          synchronized (jobList) {
           
            jobList.add(commitJob);
            System.out.println("> ADD COMMIT job size -> "+jobList.size()+ " ("+uuid+")");
            crequest.setRunning();
            jobList.notifyAll();
          }
         
        }
        crequest.notifyAll();
      }
       
       
      waitingJobList.notifyAll();
    }
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   */
  public void abortTransaction(UUID uuid) throws MiddlewareException
  {
    AbortTransactionJob abortJob = new AbortTransactionJob(uuid,this);
    synchronized (waitingJobList) {
      ClientRequests crequest = waitingJobList.get(uuid);
      synchronized (crequest) {
        if(crequest.isRunning()){
          crequest.addJob(abortJob);
        }
        else{
          synchronized(jobList){
            System.out.println("ADD ABORT job for UUID: "+uuid.toString());
            jobList.add(abortJob);
            crequest.setRunning();
            jobList.notifyAll();
          }
        }
        crequest.notifyAll();
      }
      waitingJobList.notifyAll();
    }
  }
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   */
  public synchronized int executeUpdate(UUID uuid,String sql) throws MiddlewareException
  {
    UpdateQueryJob updateJob = new UpdateQueryJob(uuid,this, sql);
    synchronized (waitingJobList) {
      ClientRequests crequest = waitingJobList.get(uuid);
      synchronized (crequest) {
        if(crequest.isRunning()){
          crequest.addJob(updateJob);
        }
        else{
          synchronized(jobList){
            System.out.println("ADD UPDATE job for UUID: "+uuid.toString());
            jobList.add(updateJob);
            crequest.setRunning();
            jobList.notifyAll();
          }
        }
        crequest.notifyAll();
      }
      waitingJobList.notifyAll();
    }
   
    return 0;
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   */
  public String[][] executeQuery(UUID uuid,String sql) throws MiddlewareException
  {
    ExecuteQueryJob queryJob = new ExecuteQueryJob(uuid,this,sql);
    synchronized(waitingJobList){
      ClientRequests crequest = waitingJobList.get(uuid);
      //System.out.println("execute query -> clientRequest: "+crequest.isRunning());
      synchronized (crequest) {
        if(crequest.isRunning()){
          crequest.addJob(queryJob);
        }
        else{
          synchronized(jobList){
            System.out.println("ADD QUERY job for UUID: "+uuid.toString());
            jobList.add(queryJob);
            crequest.setRunning();
            jobList.notifyAll();
          }
        }
        crequest.notifyAll();
      }
      waitingJobList.notifyAll();
    }
    return null;
  }
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   */
  public void addWaitingJob(UUID uuid){
   
    Job job;
    synchronized (waitingJobList) {
      ClientRequests crequest = waitingJobList.get(uuid);
      //System.out.println("addwaitingjob -> "+crequest.getSizeOfJob());
      if(crequest.getSizeOfJob() > 0){
       
        job = crequest.removeJob();
        if(job != null){
          synchronized (jobList) {
            jobList.add(job);
            crequest.setRunning();
            jobList.notifyAll();
          }
        }
        else{
          crequest.setNotRunning();
        }
      }
      else{
        crequest.setNotRunning();
      }
      waitingJobList.notifyAll();
    }
  }
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      Connection conn = DriverManager.getConnection(dbURL.get(roundRobin), user, pass);
      System.out.println("connection established at: "+dbURL.get(roundRobin));
      roundRobin = (roundRobin + 1) % this.numberOfReplicas;
      connections.put(uuid, conn);
      connectionsDB.put(uuid, new Integer(roundRobin+1));
      waitingJobList.put(uuid, new ClientRequests(uuid));
    } catch (SQLException e) {
      e.printStackTrace();
      return null;
      //throw new MiddlewareException()
    }
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   */
  public void commitTransaction(UUID uuid) throws MiddlewareException
  {
    CommitJob commitJob = new CommitJob(uuid,this);
    synchronized(waitingJobList){
      ClientRequests crequest = waitingJobList.get(uuid);
      //System.out.println("running commit: "+crequest.isRunning());
      synchronized (crequest) {
        if(crequest.isRunning()){
          crequest.addJob(commitJob);
        }
        else{
          synchronized (jobList) {
           
            jobList.add(commitJob);
            System.out.println("> ADD COMMIT job size -> "+jobList.size()+ " ("+uuid+")");
            crequest.setRunning();
            jobList.notifyAll();
          }
         
        }
        crequest.notifyAll();
      }
      waitingJobList.notifyAll();
    }
  }
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   */
  public void abortTransaction(UUID uuid) throws MiddlewareException
  {
    AbortTransactionJob abortJob = new AbortTransactionJob(uuid,this);
    synchronized (waitingJobList) {
      ClientRequests crequest = waitingJobList.get(uuid);
      synchronized (crequest) {
        if(crequest.isRunning()){
          crequest.addJob(abortJob);
        }
        else{
          synchronized(jobList){
            System.out.println("ADD ABORT job for UUID: "+uuid.toString());
            jobList.add(abortJob);
            crequest.setRunning();
            jobList.notifyAll();
          }
        }
        crequest.notifyAll();
      }
      waitingJobList.notifyAll();
    }
  }
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  public synchronized int executeUpdate(UUID uuid, UpdateFuture uf,
      String sql) throws MiddlewareException
  {
    UpdateJob updateJob = new UpdateJob(uuid,this, sql,uf);
    synchronized (waitingJobList) {
      ClientRequests crequest = waitingJobList.get(uuid);
      synchronized (crequest) {
        if(crequest.isRunning()){
          crequest.addJob(updateJob);
        }
        else{
          synchronized(jobList){
            System.out.println("ADD UPDATE job for UUID: "+uuid.toString());
            jobList.add(updateJob);
            crequest.setRunning();
            jobList.notifyAll();
          }
        }
        crequest.notifyAll();
      }
      waitingJobList.notifyAll();
    }
   
    return 0;
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Related Classes of ch.ethz.vs.rowa.job.ClientRequests

  • ch.ethz.vs.rowa.Middleware
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