Examples with GridJobSessionImpl org.apache.ignite.internal.GridJobSessionImpl used on opensource projects

Example 1 with GridJobSessionImpl

use of org.apache.ignite.internal.GridJobSessionImpl in project ignite by apache.

the class GridJobProcessor method processJobExecuteRequest.

/**
 * @param node Node.
 * @param req Request.
 */
@SuppressWarnings("TooBroadScope")
public void processJobExecuteRequest(ClusterNode node, final GridJobExecuteRequest req) {
    if (log.isDebugEnabled())
        log.debug("Received job request message [req=" + req + ", nodeId=" + node.id() + ']');
    PartitionsReservation partsReservation = null;
    if (req.getCacheIds() != null) {
        assert req.getPartition() >= 0 : req;
        assert !F.isEmpty(req.getCacheIds()) : req;
        partsReservation = new PartitionsReservation(req.getCacheIds(), req.getPartition(), req.getTopVer());
    }
    GridJobWorker job = null;
    if (!rwLock.tryReadLock()) {
        if (log.isDebugEnabled())
            log.debug("Received job execution request while stopping this node (will ignore): " + req);
        return;
    }
    try {
        long endTime = req.getCreateTime() + req.getTimeout();
        // Account for overflow.
        if (endTime < 0)
            endTime = Long.MAX_VALUE;
        GridDeployment tmpDep = req.isForceLocalDeployment() ? ctx.deploy().getLocalDeployment(req.getTaskClassName()) : ctx.deploy().getGlobalDeployment(req.getDeploymentMode(), req.getTaskName(), req.getTaskClassName(), req.getUserVersion(), node.id(), req.getClassLoaderId(), req.getLoaderParticipants(), null);
        if (tmpDep == null) {
            if (log.isDebugEnabled())
                log.debug("Checking local tasks...");
            // Check local tasks.
            for (Map.Entry<String, GridDeployment> d : ctx.task().getUsedDeploymentMap().entrySet()) {
                if (d.getValue().classLoaderId().equals(req.getClassLoaderId())) {
                    assert d.getValue().local();
                    tmpDep = d.getValue();
                    break;
                }
            }
        }
        final GridDeployment dep = tmpDep;
        if (log.isDebugEnabled())
            log.debug("Deployment: " + dep);
        boolean releaseDep = true;
        try {
            if (dep != null && dep.acquire()) {
                GridJobSessionImpl jobSes;
                GridJobContextImpl jobCtx;
                try {
                    List<ComputeJobSibling> siblings = null;
                    if (!req.isDynamicSiblings()) {
                        Collection<ComputeJobSibling> siblings0 = req.getSiblings();
                        if (siblings0 == null) {
                            assert req.getSiblingsBytes() != null;
                            siblings0 = U.unmarshal(marsh, req.getSiblingsBytes(), U.resolveClassLoader(ctx.config()));
                        }
                        siblings = new ArrayList<>(siblings0);
                    }
                    Map<Object, Object> sesAttrs = null;
                    if (req.isSessionFullSupport()) {
                        sesAttrs = req.getSessionAttributes();
                        if (sesAttrs == null)
                            sesAttrs = U.unmarshal(marsh, req.getSessionAttributesBytes(), U.resolveClassLoader(dep.classLoader(), ctx.config()));
                    }
                    IgnitePredicate<ClusterNode> topologyPred = req.getTopologyPredicate();
                    if (topologyPred == null && req.getTopologyPredicateBytes() != null) {
                        topologyPred = U.unmarshal(marsh, req.getTopologyPredicateBytes(), U.resolveClassLoader(dep.classLoader(), ctx.config()));
                    }
                    // Note that we unmarshal session/job attributes here with proper class loader.
                    GridTaskSessionImpl taskSes = ctx.session().createTaskSession(req.getSessionId(), node.id(), req.getTaskName(), dep, req.getTaskClassName(), req.topology(), topologyPred, req.getStartTaskTime(), endTime, siblings, sesAttrs, req.isSessionFullSupport(), req.isInternal(), req.executorName(), ctx.security().enabled() ? ctx.security().securityContext().subject().login() : null);
                    taskSes.setCheckpointSpi(req.getCheckpointSpi());
                    taskSes.setClassLoader(dep.classLoader());
                    jobSes = new GridJobSessionImpl(ctx, taskSes, req.getJobId());
                    Map<? extends Serializable, ? extends Serializable> jobAttrs = req.getJobAttributes();
                    if (jobAttrs == null)
                        jobAttrs = U.unmarshal(marsh, req.getJobAttributesBytes(), U.resolveClassLoader(dep.classLoader(), ctx.config()));
                    jobCtx = new GridJobContextImpl(ctx, req.getJobId(), jobAttrs);
                } catch (IgniteCheckedException e) {
                    IgniteException ex = new IgniteException("Failed to deserialize task attributes " + "[taskName=" + req.getTaskName() + ", taskClsName=" + req.getTaskClassName() + ", codeVer=" + req.getUserVersion() + ", taskClsLdr=" + dep.classLoader() + ']', e);
                    U.error(log, ex.getMessage(), e);
                    handleException(node, req, ex, endTime);
                    return;
                }
                job = new GridJobWorker(ctx, dep, req.getCreateTime(), jobSes, jobCtx, req.getJobBytes(), req.getJob(), node, req.isInternal(), evtLsnr, holdLsnr, partsReservation, req.getTopVer(), req.executorName());
                jobCtx.job(job);
                // If exception occurs on job initialization, deployment is released in job listener.
                releaseDep = false;
                if (job.initialize(dep, dep.deployedClass(req.getTaskClassName()).get1())) {
                    // Internal jobs will always be executed synchronously.
                    if (job.isInternal()) {
                        // This is an internal job and can be executed inside busy lock
                        // since job is expected to be short.
                        // This is essential for proper stop without races.
                        job.run();
                        // No execution outside lock.
                        job = null;
                    } else if (jobAlwaysActivate) {
                        if (onBeforeActivateJob(job)) {
                            if (ctx.localNodeId().equals(node.id())) {
                                // Always execute in another thread for local node.
                                executeAsync(job);
                                // No sync execution.
                                job = null;
                            } else {
                                if (metricsUpdateFreq > -1L)
                                    // Job will be executed synchronously.
                                    startedJobsCnt.increment();
                                startedJobsMetric.increment();
                            }
                        } else
                            // Job has been cancelled.
                            // Set to null, to avoid sync execution.
                            job = null;
                    } else {
                        GridJobWorker old = passiveJobs.putIfAbsent(job.getJobId(), job);
                        if (old == null) {
                            waitingJobsMetric.increment();
                            handleCollisions();
                        } else
                            U.error(log, "Received computation request with duplicate job ID (could be " + "network malfunction, source node may hang if task timeout was not set) " + "[srcNode=" + node.id() + ", jobId=" + req.getJobId() + ", sesId=" + req.getSessionId() + ", locNodeId=" + ctx.localNodeId() + ']');
                        // No sync execution.
                        job = null;
                    }
                } else
                    // Job was not initialized, no execution.
                    job = null;
            } else {
                // Deployment is null.
                IgniteException ex = new IgniteDeploymentException("Task was not deployed or was redeployed since " + "task execution [taskName=" + req.getTaskName() + ", taskClsName=" + req.getTaskClassName() + ", codeVer=" + req.getUserVersion() + ", clsLdrId=" + req.getClassLoaderId() + ", seqNum=" + req.getClassLoaderId().localId() + ", depMode=" + req.getDeploymentMode() + ", dep=" + dep + ']');
                U.error(log, ex.getMessage(), ex);
                handleException(node, req, ex, endTime);
            }
        } finally {
            if (dep != null && releaseDep)
                release(dep);
        }
    } finally {
        rwLock.readUnlock();
    }
    if (job != null)
        job.run();
}