Package org.lab41.dendrite.metagraph

Examples of org.lab41.dendrite.metagraph.MetaGraphTx

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    public GetJobResponse getJob(@PathVariable String jobId) throws NotFound {

        MetaGraphTx tx = metaGraphService.buildTransaction().readOnly().start();

        try {
            JobMetadata jobMetadata = tx.getJob(jobId);
            if (jobMetadata == null) {
                throw new NotFound(JobMetadata.class, jobId);
            }

            return new GetJobResponse(jobMetadata);
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    public DeleteJobResponse deleteJob(@PathVariable String jobId) throws NotFound {
        MetaGraphTx tx = metaGraphService.newTransaction();
        DeleteJobResponse deleteJobResponse;

        try {
            JobMetadata jobMetadata = tx.getJob(jobId);
            if (jobMetadata == null) {
                throw new NotFound(JobMetadata.class, jobId);
            }

            tx.deleteJob(jobMetadata);
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            response.put("msg", "missing project metadata for graph '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
        }

        JobMetadata jobMetadata = tx.createJob(projectMetadata);

        response.put("status", "ok");
        response.put("msg", "job submitted");
        response.put("jobId", jobMetadata.getId().toString());

        tx.commit();

        if (!algorithm.equals("approximate_diameter") &&
           !algorithm.equals("connected_component") &&
           !algorithm.equals("connected_component_stats") &&
           !algorithm.equals("directed_triangle_count") &&
           !algorithm.equals("eigen_vector_normalization") &&
           !algorithm.equals("graph_laplacian") &&
           !algorithm.equals("kcore") &&
           !algorithm.equals("pagerank") &&
           !algorithm.equals("partitioning") &&
           !algorithm.equals("simple_coloring") &&
           !algorithm.equals("simple_undirected_triangle_count") &&
           !algorithm.equals("sssp") &&
           !algorithm.equals("TSC") &&
           !algorithm.equals("undirected_triangle_count")) {
            response.put("status", "error");
            response.put("msg", algorithm + " not implemented");
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
        }

        // We can't pass the values directly because they'll live in a separate thread.
        graphLabService.graphLabAlgorithm(graph, algorithm, jobMetadata.getId());

        return new ResponseEntity<>(response, HttpStatus.OK);
    }
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    public GetJobsResponse getJobs(@PathVariable String projectId) throws NotFound {

        MetaGraphTx tx = metaGraphService.buildTransaction().readOnly().start();

        try {
            ProjectMetadata project = tx.getProject(projectId);
            if (project == null) {
                throw new NotFound(ProjectMetadata.class, projectId);
            }

            List<GetJobResponse> jobs = new ArrayList<>();
            for (JobMetadata jobMetadata : project.getJobs()) {
                jobs.add(new GetJobResponse(jobMetadata));
            }

            return new GetJobsResponse(jobs);
        } finally {
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            response.put("msg", "missing graph metadata '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
        }

        ProjectMetadata projectMetadata = graphMetadata.getProject();
        if (projectMetadata == null) {
            response.put("status", "error");
            response.put("msg", "missing project metadata for graph '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
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            response.put("msg", "missing graph metadata '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
        }

        ProjectMetadata projectMetadata = graphMetadata.getProject();
        if (projectMetadata == null) {
            response.put("status", "error");
            response.put("msg", "missing project metadata for graph '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
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            response.put("msg", "missing graph metadata '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
        }

        ProjectMetadata projectMetadata = graphMetadata.getProject();
        if (projectMetadata == null) {
            response.put("status", "error");
            response.put("msg", "missing project metadata for graph '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
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            response.put("msg", "missing graph metadata '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
        }

        ProjectMetadata projectMetadata = graphMetadata.getProject();
        if (projectMetadata == null) {
            response.put("status", "error");
            response.put("msg", "missing project metadata for graph '" + graphId + "'");
            tx.rollback();
            return new ResponseEntity<>(response, HttpStatus.NOT_FOUND);
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        // This needs to be a read/write transaction as we might make a user.
        MetaGraphTx tx = metaGraphService.buildTransaction().start();
        GetJobsResponse getJobsResponse;

        try {
            UserMetadata userMetadata = tx.getOrCreateUser(principal);

            List<GetJobResponse> jobs = new ArrayList<>();

            for (ProjectMetadata projectMetadata : userMetadata.getProjects()) {
                for (JobMetadata jobMetadata : projectMetadata.getJobs()) {
                    jobs.add(new GetJobResponse(jobMetadata));
                }
            }
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        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();

        MetaGraphTx tx = metaGraphService.newTransaction();

        try {
            UserMetadata userMetadata = tx.getOrCreateUser(authentication);

            // Make sure we have permission to access this graph.
            GraphMetadata graphMetadata = userMetadata.getGraph(new GraphMetadata.Id(graphId));
            if (graphMetadata == null) {
                return null;
            }

            DendriteGraph graph = metaGraphService.getDendriteGraph(graphId);
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