Examples with CompletionHandler com.vmware.xenon.common.Operation.CompletionHandler used on opensource projects

Example 11 with CompletionHandler

use of com.vmware.xenon.common.Operation.CompletionHandler in project photon-model by vmware.

the class EndpointAllocationTaskService method rollbackEndpoint.

private void rollbackEndpoint(EndpointAllocationTaskState currentState) {
    Runnable completionHandler = () -> {
        sendSelfPatch(createUpdateSubStageTask(TaskStage.FAILED, SubStage.FAILED));
    };
    if (currentState.createdDocumentLinks == null || currentState.createdDocumentLinks.isEmpty()) {
        completionHandler.run();
    } else {
        List<Operation> deleteOps = currentState.createdDocumentLinks.stream().map(link -> Operation.createDelete(this, link)).collect(Collectors.toList());
        // execute the delete ops in a reverse order because of possible dependencies
        OperationSequence opSequence = OperationSequence.create(deleteOps.get(deleteOps.size() - 1));
        for (int i = deleteOps.size() - 2; i >= 0; i--) {
            opSequence = opSequence.next(deleteOps.get(i));
        }
        opSequence.setCompletion((ops, exs) -> {
            if (exs != null) {
                logWarning(() -> "Error during rollback of created endpoint documents: " + Utils.toString(exs));
            }
            completionHandler.run();
        }).sendWith(this);
    }
}

Example 12 with CompletionHandler

use of com.vmware.xenon.common.Operation.CompletionHandler in project photon-model by vmware.

the class ProvisionComputeTaskService method doSubStageBootHost.

private void doSubStageBootHost(ProvisionComputeTaskState updatedState, BootDevice[] bootDevices, ProvisionComputeTaskState.SubStage nextStage) {
    CompletionHandler c = (o, e) -> {
        if (e != null) {
            failTask(e);
            return;
        }
        ComputeBootRequest br = new ComputeBootRequest();
        br.resourceReference = UriUtils.extendUri(ClusterUtil.getClusterUri(getHost(), ServiceTypeCluster.INVENTORY_SERVICE), updatedState.computeLink);
        for (BootDevice bootDevice : bootDevices) {
            br.bootDeviceOrder.add(bootDevice);
        }
        ServiceDocument subTask = o.getBody(ServiceDocument.class);
        br.taskReference = UriUtils.buildUri(this.getHost(), subTask.documentSelfLink);
        br.isMockRequest = updatedState.isMockRequest;
        sendHostServiceRequest(br, updatedState.bootAdapterReference);
    };
    // After setting boot order and rebooting, we want the sub-task
    // to patch the main task to the "next" state.
    createSubTask(c, nextStage, updatedState);
}

Example 13 with CompletionHandler

use of com.vmware.xenon.common.Operation.CompletionHandler in project photon-model by vmware.

the class ProvisionComputeTaskService method doSubStageCreateHost.

private void doSubStageCreateHost(ProvisionComputeTaskState updatedState, ProvisionComputeTaskState.SubStage nextStage) {
    CompletionHandler c = (o, e) -> {
        if (e != null) {
            failTask(e);
            return;
        }
        ComputeInstanceRequest cr = new ComputeInstanceRequest();
        cr.resourceReference = createInventoryUri(this.getHost(), updatedState.computeLink);
        cr.endpointLinkReference = createInventoryUri(this.getHost(), updatedState.endpointLink);
        cr.requestType = InstanceRequestType.CREATE;
        // the first reboot needs to be from the network, and the bare metal
        // services
        // will provide the image reference (retrieved from the computeReference)
        ServiceDocument subTask = o.getBody(ServiceDocument.class);
        cr.taskReference = UriUtils.buildUri(this.getHost(), subTask.documentSelfLink);
        cr.isMockRequest = updatedState.isMockRequest;
        sendHostServiceRequest(cr, updatedState.instanceAdapterReference);
    };
    // after setting boot order and rebooting, we want the sub
    // task to patch us, the main task, to the "next" state
    createSubTask(c, nextStage, updatedState);
}