/** @param args the command line arguments 1) kafka broker */
public static void main(String[] args) {
Properties props = new Properties();
if (args.length >= 1) {
props.put("metadata.broker.list", args[0]);
} else {
props.put("metadata.broker.list", "192.168.47.129:9093");
}
props.put("serializer.class", "eu.europeana.cloud.service.dps.storm.kafka.JsonEncoder");
props.put("request.required.acks", "1");
ProducerConfig config = new ProducerConfig(props);
Producer<String, DpsTask> producer = new Producer<>(config);
DpsTask msg = new DpsTask();
msg.setTaskName(PluginParameterKeys.NEW_ANNOTATION_MESSAGE);
msg.addParameter(PluginParameterKeys.INDEX_DATA, "True");
IndexerInformations ii =
new IndexerInformations(indexers[0], "index_mlt_4", "mlt4", "192.168.47.129:9300");
msg.addParameter(PluginParameterKeys.INDEXER, ii.toTaskString());
msg.addParameter(PluginParameterKeys.FILE_URL, "url to annotation");
KeyedMessage<String, DpsTask> data =
new KeyedMessage<>(IndexerConstants.KAFKA_INPUT_TOPIC, msg);
producer.send(data);
producer.close();
}
private String buildTaskUrl(UriInfo uriInfo, DpsTask task, String topologyName) {
StringBuilder taskUrl =
new StringBuilder()
.append(uriInfo.getBaseUri().toString())
.append("topologies/")
.append(topologyName)
.append("/tasks/")
.append(task.getTaskId());
return taskUrl.toString();
}
/**
* Submits a Task for execution. Each Task execution is associated with a specific plugin.
*
* <p><strong>Write permissions required</strong>.
*
* @summary Submit Task
* @param task <strong>REQUIRED</strong> Task to be executed. Should contain links to input data,
* either in form of cloud-records or cloud-datasets.
* @param topologyName <strong>REQUIRED</strong> Name of the topology where the task is submitted.
* @return URI with information about the submitted task execution.
*/
@POST
@Consumes({MediaType.APPLICATION_JSON})
@PreAuthorize("hasPermission(#topologyName,'" + TOPOLOGY_PREFIX + "', write)")
@Path("/")
public Response submitTask(
DpsTask task, @PathParam("topologyName") String topologyName, @Context UriInfo uriInfo) {
LOGGER.info("Submiting task");
if (task != null) {
submitService.submitTask(task, topologyName);
grantPermissionsForTask(task.getTaskId() + "");
String createdTaskUrl = buildTaskUrl(uriInfo, task, topologyName);
try {
LOGGER.info("Task submitted succesfully");
return Response.created(new URI(createdTaskUrl)).build();
} catch (URISyntaxException e) {
LOGGER.error("Task submition failed");
e.printStackTrace();
return Response.serverError().build();
}
}
return Response.notModified().build();
}