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

    public Project getProject( String groupId, String artifactId, String version )
        throws ContinuumStoreException
    {
        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 java.lang.String" );


            query.declareParameters( "String groupId, String artifactId, String version" );


            query.setFilter( "this.groupId == groupId && this.artifactId == artifactId && this.version == version" );


            Object[] params = new Object[3];
            params[0] = groupId;
            params[1] = artifactId;
            params[2] = version;


            Collection result = (Collection) query.executeWithArray( params );


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


                return null;
            }


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


            tx.commit();


            return (Project) object;
        }
        finally
        {

View Full Code Here

    public Project getProjectByName( String name )
        throws ContinuumStoreException
    {
        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 java.lang.String" );


            query.declareParameters( "String name" );


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


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


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


                return null;
            }


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


            tx.commit();


            return (Project) object;
        }
        finally
        {

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    public List<Project> getProjectsWithDependenciesByGroupId( int projectGroupId )
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


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


            Query query = pm.newQuery( extent, "projectGroup.id == " + projectGroupId );


            pm.getFetchPlan().addGroup( PROJECT_DEPENDENCIES_FETCH_GROUP );
            List<Project> result = (List<Project>) query.execute();


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


            tx.commit();


            return result;
        }
        finally
        {

View Full Code Here

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


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


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


            Query query = pm.newQuery( extent, "projectGroup.id == " + projectGroupId );


            query.setOrdering( "name ascending" );


            List<Project> result = (List<Project>) query.execute();


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


            tx.commit();


            return result;
        }
        finally
        {

View Full Code Here

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


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


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


            Query query = pm.newQuery( extent, "projectGroup.id == " + projectGroupId );


            query.setOrdering( "name ascending" );


            pm.getFetchPlan().addGroup( PROJECT_DEPENDENCIES_FETCH_GROUP );


            pm.getFetchPlan().addGroup( PROJECTGROUP_PROJECTS_FETCH_GROUP );


            List<Project> result = (List<Project>) query.execute();


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


            tx.commit();


            return result;
        }
        finally
        {

View Full Code Here


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


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


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


            Query query = pm.newQuery( extent );


            query.setResult( "projectGroup.id as projectGroupId, state as projectState, count(state) as size" );


            query.setResultClass( ProjectSummaryResult.class );


            query.setGrouping( "projectGroup.id, state" );


            List<ProjectSummaryResult> results = (List<ProjectSummaryResult>) query.execute();


            Map<Integer, ProjectGroupSummary> summaries = processProjectGroupSummary( results );


            tx.commit();


            return summaries;
        }
        finally
        {

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    public List<RepositoryPurgeConfiguration> getRepositoryPurgeConfigurationsBySchedule( int scheduleId )
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( RepositoryPurgeConfiguration.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 );
        }
    }

View Full Code Here

    
    public List<RepositoryPurgeConfiguration> getEnableRepositoryPurgeConfigurationsBySchedule( int scheduleId )
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


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


            Query query = pm.newQuery( extent );


            query.declareParameters( "int scheduleId" );


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


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


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


            rollback( tx );
        }
    }

View Full Code Here


    public List<RepositoryPurgeConfiguration> getRepositoryPurgeConfigurationsByLocalRepository( int repositoryId )
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


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


            Query query = pm.newQuery( extent );


            query.declareParameters( "int repositoryId" );


            query.setFilter( "this.repository.id == repositoryId" );


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


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


            rollback( tx );
        }
    }

View Full Code Here


    public List<DirectoryPurgeConfiguration> getDirectoryPurgeConfigurationsBySchedule( int scheduleId )
    {
        PersistenceManager pm = getPersistenceManager();


        Transaction tx = pm.currentTransaction();


        try
        {
            tx.begin();


            Extent extent = pm.getExtent( DirectoryPurgeConfiguration.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 );
        }
    }

View Full Code Here

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