How to use

WorkerLoggingContext

in

co.cask.cdap.logging.context

 @Override
 public String getLogPartition() {
  return String.format("%s:%s", super.getLogPartition(), getSystemTag(TAG_WORKER_ID));
 }
}

public WorkerLoggingContext(String namespaceId, String appId, String workerId, String runId, String instanceId) {
 super(namespaceId, appId, runId);
 setSystemTag(TAG_WORKER_ID, workerId);
 setInstanceId(instanceId);
}

                  tags.get(ServiceLoggingContext.TAG_SERVICE_ID));
} else if (tags.containsKey(WorkerLoggingContext.TAG_WORKER_ID)) {
 return new WorkerLoggingContext(namespaceId, applicationId, tags.get(WorkerLoggingContext.TAG_WORKER_ID),
                 tags.get(ApplicationLoggingContext.TAG_RUN_ID),
                 tags.get(ApplicationLoggingContext.TAG_INSTANCE_ID));

public static LoggingContext getLoggingContext(String namespaceId, String applicationId, String entityId,
                        ProgramType programType, @Nullable String runId,
                        @Nullable Map<String, String> systemArgs) {
 switch (programType) {
  case WORKFLOW:
   return new WorkflowLoggingContext(namespaceId, applicationId, entityId, runId);
  case MAPREDUCE:
   if (systemArgs != null && systemArgs.containsKey("workflowRunId")) {
    String workflowRunId = systemArgs.get("workflowRunId");
    String workflowId = systemArgs.get("workflowName");
    return new WorkflowProgramLoggingContext(namespaceId, applicationId, workflowId, workflowRunId, programType,
                         entityId, runId);
   }
   return new MapReduceLoggingContext(namespaceId, applicationId, entityId, runId);
  case SPARK:
   if (systemArgs != null && systemArgs.containsKey("workflowRunId")) {
    String workflowRunId = systemArgs.get("workflowRunId");
    String workflowId = systemArgs.get("workflowName");
    return new WorkflowProgramLoggingContext(namespaceId, applicationId, workflowId, workflowRunId, programType,
                         entityId, runId);
   }
   return new SparkLoggingContext(namespaceId, applicationId, entityId, runId);
  case SERVICE:
   return new UserServiceLoggingContext(namespaceId, applicationId, entityId, "", runId, null);
  case WORKER:
   return new WorkerLoggingContext(namespaceId, applicationId, entityId, runId, null);
  default:
   throw new IllegalArgumentException(String.format("Illegal entity type for logging context: %s", programType));
 }
}

                  tags.get(ServiceLoggingContext.TAG_SERVICE_ID));
} else if (tags.containsKey(WorkerLoggingContext.TAG_WORKER_ID)) {
 return new WorkerLoggingContext(namespaceId, applicationId, tags.get(WorkerLoggingContext.TAG_WORKER_ID),
                 tags.get(ApplicationLoggingContext.TAG_RUN_ID),
                 tags.get(ApplicationLoggingContext.TAG_INSTANCE_ID));

public WorkerLoggingContext(String namespaceId, String appId, String workerId, String runId, String instanceId) {
 super(namespaceId, appId, runId);
 setSystemTag(TAG_WORKER_ID, workerId);
 setInstanceId(instanceId);
}

 @Override
 public String getLogPartition() {
  return String.format("%s:%s", super.getLogPartition(), getSystemTag(TAG_WORKER_ID));
 }
}

 return new UserServiceLoggingContext(namespaceId, applicationId, entityId, "", runId, null);
case WORKER:
 return new WorkerLoggingContext(namespaceId, applicationId, entityId, runId, null);
default:
 throw new IllegalArgumentException(String.format("Illegal entity type for logging context: %s", programType));

private LoggingContext createLoggingContext(Id.Program programId, RunId runId) {
 return new WorkerLoggingContext(programId.getNamespaceId(), programId.getApplicationId(), programId.getId(),
                 runId.getId(), String.valueOf(getInstanceId()));
}

private LoggingContext createLoggingContext(Id.Program programId, RunId runId) {
 return new WorkerLoggingContext(programId.getNamespaceId(), programId.getApplicationId(), programId.getId(),
                 runId.getId(), String.valueOf(getInstanceId()));
}