Examples of javax.jdo.Transaction

javax.jdo.Transaction
The JDO Transaction interface provides for initiation and completion of transactions under user control. It is a sub-interface of the {@link PersistenceManager}that deals with options and transaction demarcation.
Transaction options include whether optimistic concurrency control should be used for the current transaction, whether instances may hold values in the cache outside transactions, and whether values should be retained in the cache after transaction completion. These options are valid for both managed and non-managed transactions.
Transaction initiation and completion methods have similar semantics to javax.transaction.UserTransaction when used outside a managed environment. When used in a managed environment, transaction initiation and completion methods may only be used with bean-managed transaction semantics. @version 2.3

    }
    PersistenceManagerFactory pmf = PMF.get();
    PersistenceManager pm = null;
    try{
      pm = pmf.getPersistenceManager();
      Transaction tx = pm.currentTransaction();
      try{
        tx.begin();
        pm.makePersistent(sum);
        tx.commit();
        log.info("[SummaryCronService#execute()] save summary: " + sum);
      }finally{
        if(tx!=null&&tx.isActive()) tx.rollback();
      }
    }finally{
      if(pm!=null) pm.close();
    }
    log.info("[SummaryCronService#execute()] end: " +

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    List<Result> resultList = results.getResultList();
    PersistenceManagerFactory pmf = PMF.get();
    PersistenceManager pm = null;
    try{
      pm = pmf.getPersistenceManager();
      Transaction tx = pm.currentTransaction();
      try{
        for(Result r: resultList){
          tx.begin();
          log.info("[ResultsCronService#execute()] " +
              "insert result list (pre): " + r);
          pm.makePersistentAll(r);
          log.info("[ResultsCronService#execute()] " +
              "insert result (post): " + resultList.size());
          tx.commit();
          
          log.info("[ResultsCronService#execute()] commited");
        }
        StatisticsManager.getInstance().clearResults();
      }finally{
        if(tx!=null&&tx.isActive()) tx.rollback();
      }
    }finally{
      if(pm!=null) pm.close();
    }
    log.info("[ResultsCronService#execute()] end: " +

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    Summary summary = null;
    PersistenceManagerFactory pmf = PMF.get();
    PersistenceManager pm = null;
    try{
      pm = pmf.getPersistenceManager();
      Transaction tx = pm.currentTransaction();
      try{
        tx.begin();
        summary = 
            pm.getObjectById(Summary.class, Summary.DBKEY_SUMMARY);
        log.info("[StatisticsManager#retrieveSummary()] got from " +
            "database: " + summary);
        tx.commit();
      }catch(Exception e){
        log.log(Level.INFO, 
            "[StatisticsManager#retrieveSummary()] exception " +
            "during getting summary", e);
        if(tx!=null && tx.isActive()) tx.rollback();
        summary = null;
      }
    }finally{
      if(pm!=null){
        pm.close();

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        // first delete link beetwen profile and this installation
        // then removing this
        //attachAndDelete( installation );
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            // this must be done in the same transaction
            tx.begin();


            // first removing linked jdk


            Extent extent = pm.getExtent( Profile.class, true );


            Query query = pm.newQuery( extent );


            query.declareImports( "import java.lang.String" );


            query.declareParameters( "String name" );


            query.setFilter( "this.jdk.name == name" );


            Collection<Profile> result = (Collection) query.execute( installation.getName() );


            if ( result.size() != 0 )
            {
                for ( Profile profile : result )
                {
                    profile.setJdk( null );
                    pm.makePersistent( profile );
                }
            }


            // removing linked builder
            query = pm.newQuery( extent );


            query.declareImports( "import java.lang.String" );


            query.declareParameters( "String name" );


            query.setFilter( "this.builder.name == name" );


            result = (Collection) query.execute( installation.getName() );


            if ( result.size() != 0 )
            {
                for ( Profile profile : result )
                {
                    profile.setBuilder( null );
                    pm.makePersistent( profile );
                }
            }


            // removing linked env Var
            query = pm.newQuery( extent );


            query.declareImports( "import java.lang.String" );
            query.declareImports( "import " + Installation.class.getName() );


            query.declareParameters( "Installation installation" );


            query.setFilter( "environmentVariables.contains(installation)" );


            //query = pm
            //    .newQuery( "SELECT FROM profile WHERE environmentVariables.contains(installation) && installation.name == name" );


            result = (Collection) query.execute( installation );


            if ( result.size() != 0 )
            {
                for ( Profile profile : result )
                {
                    List<Installation> newEnvironmentVariables = new ArrayList<Installation>();
                    for ( Installation current : (Iterable<Installation>) profile.getEnvironmentVariables() )
                    {
                        if ( !StringUtils.equals( current.getName(), installation.getName() ) )
                        {
                            newEnvironmentVariables.add( current );
                        }
                    }
                    profile.setEnvironmentVariables( newEnvironmentVariables );
                    pm.makePersistent( profile );
                }
            }


            pm.deletePersistent( installation );


            tx.commit();


        }
        finally
        {
            rollback( tx );

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    public Installation getInstallation( int installationId )
        throws ContinuumStoreException
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( Installation.class, true );


            Query query = pm.newQuery( extent );


            query.declareImports( "import java.lang.String" );


            query.declareParameters( "int installationId" );


            query.setFilter( "this.installationId == installationId" );


            Collection result = (Collection) query.execute( installationId );


            if ( result.size() == 0 )
            {
                tx.commit();


                return null;
            }


            Object object = pm.detachCopy( result.iterator().next() );


            tx.commit();


            return (Installation) object;
        }
        finally
        {

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    public Map<Integer, Integer> getDefaultBuildDefinitions()
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( Project.class, true );


            Query query = pm.newQuery( extent );


            query.declareImports( "import org.apache.maven.continuum.model.project.BuildDefinition" );


            query.setFilter( "this.buildDefinitions.contains(buildDef) && buildDef.defaultForProject == true" );


            query.declareVariables( "BuildDefinition buildDef" );


            query.setResult( "this.id, buildDef.id" );


            List result = (List) query.execute();


            // result = (List) pm.detachCopyAll( result );


            Map<Integer, Integer> builds = new HashMap<Integer, Integer>();


            if ( result != null && !result.isEmpty() )
            {
                for ( Object aResult : result )
                {
                    Object[] obj = (Object[]) aResult;


                    builds.put( (Integer) obj[0], (Integer) obj[1] );
                }


                return builds;
            }
        }
        finally
        {
            tx.commit();


            rollback( tx );
        }


        return null;

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    public List<BuildDefinition> getDefaultBuildDefinitionsForProjectGroup( int projectGroupId )
        throws ContinuumStoreException
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( ProjectGroup.class, true );


            Query query = pm.newQuery( extent );


            query.declareImports( "import " + BuildDefinition.class.getName() );


            query.declareParameters( "int projectGroupId" );


            query.setFilter(
                "this.id == projectGroupId && this.buildDefinitions.contains(buildDef) && buildDef.defaultForProject == true" );


            query.declareVariables( "BuildDefinition buildDef" );


            query.setResult( "buildDef" );


            List<BuildDefinition> result = (List<BuildDefinition>) query.execute( projectGroupId );


            result = (List<BuildDefinition>) pm.detachCopyAll( result );


            tx.commit();


            if ( result != null )
            {
                return result;
            }

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    public BuildDefinition getDefaultBuildDefinitionForProject( int projectId )
        throws ContinuumStoreException
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( BuildDefinition.class, true );


            Query query = pm.newQuery( extent );


            query.declareImports( "import " + Project.class.getName() );


            query.declareParameters( "int projectId" );


            query.setFilter(
                "project.id == projectId && project.buildDefinitions.contains(this) && this.defaultForProject == true" );


            query.declareVariables( "Project project" );


            query.setResult( "this" );


            List<BuildDefinition> result = (List<BuildDefinition>) query.execute( projectId );


            result = (List<BuildDefinition>) pm.detachCopyAll( result );


            tx.commit();


            if ( result != null && !result.isEmpty() )
            {
                return result.get( 0 );
            }

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    public List<BuildDefinition> getAllTemplates()
        throws ContinuumStoreException
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( BuildDefinition.class, true );


            Query query = pm.newQuery( extent );
            query.setFilter( "this.template == true" );
            List result = (List) query.execute();
            return result == null ? Collections.EMPTY_LIST : (List) pm.detachCopyAll( result );
        }
        finally
        {
            tx.commit();


            rollback( tx );
        }
    }

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    public List<BuildDefinition> getBuildDefinitionsBySchedule( int scheduleId )
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( BuildDefinition.class, true );


            Query query = pm.newQuery( extent );


            query.declareParameters( "int scheduleId" );


            query.setFilter( "this.schedule.id == scheduleId" );


            List result = (List) query.execute( scheduleId );


            return result == null ? Collections.EMPTY_LIST : (List) pm.detachCopyAll( result );
        }
        finally
        {
            tx.commit();


            rollback( tx );
        }
    }

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