Add invalid parameter validator

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/bulk/job/BulkExportJobConfig.java

@@ -4,6 +4,7 @@ import ca.uhn.fhir.jpa.batch.processors.PidToIBaseResourceProcessor;
 import ca.uhn.fhir.rest.api.server.storage.ResourcePersistentId;
 import org.hl7.fhir.instance.model.api.IBaseResource;
 import org.springframework.batch.core.Job;
+import org.springframework.batch.core.JobParametersValidator;
 import org.springframework.batch.core.Step;
 import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
 import org.springframework.batch.core.configuration.annotation.JobScope;
@@ -40,11 +41,18 @@ public class BulkExportJobConfig {
 	@Bean
 	public Job bulkExportJob() {
 		return myJobBuilderFactory.get("bulkExportJob")
+			.validator(jobExistsValidator())
 			.start(partitionStep())
 			.listener(bulkExportJobCompletionListener())
 			.build();
 	}
 
+	@Bean
+	public JobParametersValidator jobExistsValidator() {
+		return new JobExistsParameterValidator();
+	}
+
+
 	@Bean
 	public Step bulkExportGenerateResourceFilesStep() {
 		return myStepBuilderFactory.get("bulkExportGenerateResourceFilesStep")

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/bulk/job/JobExistsParameterValidator.java

@@ -0,0 +1,32 @@
+package ca.uhn.fhir.jpa.bulk.job;
+
+import ca.uhn.fhir.jpa.dao.data.IBulkExportJobDao;
+import ca.uhn.fhir.jpa.entity.BulkExportJobEntity;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.batch.core.JobParameters;
+import org.springframework.batch.core.JobParametersInvalidException;
+import org.springframework.batch.core.JobParametersValidator;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.Optional;
+
+/**
+ * This class will prevent job running if the UUID is found to be non-existent, or invalid.
+ */
+public class JobExistsParameterValidator implements JobParametersValidator {
+	@Autowired
+	private IBulkExportJobDao myBulkExportJobDao;
+
+	@Override
+	public void validate(JobParameters theJobParameters) throws JobParametersInvalidException {
+		String jobUUID = theJobParameters.getString("jobUUID");
+		if (StringUtils.isBlank(jobUUID)) {
+			throw new JobParametersInvalidException("You did not pass a jobUUID to this job!");
+		}
+
+		Optional<BulkExportJobEntity> oJob = myBulkExportJobDao.findByJobId(jobUUID);
+		if (!oJob.isPresent()) {
+			throw new JobParametersInvalidException("There is no persisted job that exists with UUID: " + jobUUID);
+		}
+	}
+}

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/bulk/svc/BulkDataExportSvcImpl.java

@@ -49,6 +49,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.batch.core.JobParameters;
 import org.springframework.batch.core.JobParametersBuilder;
+import org.springframework.batch.core.JobParametersInvalidException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.data.domain.PageRequest;
@@ -192,7 +193,11 @@ public class BulkDataExportSvcImpl implements IBulkDataExportSvc {
 			.addString("jobUUID", theJobUuid)
 			.toJobParameters();
 
+		try {
 			myJobSubmitter.runJob(myBulkExportJob, parameters);
+		} catch (JobParametersInvalidException theE) {
+			ourLog.error("Unable to start job with UUID: {}, the parameters are invalid. {}", theJobUuid, theE.getMessage());
+		}
 	}
 
 

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/bulk/BulkDataExportSvcImplR4Test.java

@@ -26,6 +26,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobParametersBuilder;
+import org.springframework.batch.core.JobParametersInvalidException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 
@@ -251,7 +252,7 @@ public class BulkDataExportSvcImplR4Test extends BaseJpaR4Test {
 
 
 	@Test
-	public void testBatchJobSubmitsAndRuns() throws InterruptedException {
+	public void testBatchJobSubmitsAndRuns() throws Exception {
 		createResources();
 
 		// Create a bulk job
@@ -265,6 +266,18 @@ public class BulkDataExportSvcImplR4Test extends BaseJpaR4Test {
 		assertThat(jobInfo.getStatus(), equalTo(BulkJobStatusEnum.COMPLETE));
 	}
 
+	@Test
+	public void testJobParametersValidatorRejectsInvalidParameters() {
+		JobParametersBuilder paramBuilder = new JobParametersBuilder().addString("jobUUID", "I'm not real!");
+		try {
+			myBatchJobSubmitter.runJob(myBulkJob, paramBuilder.toJobParameters());
+			fail("Should have had invalid parameter execption!");
+		} catch (JobParametersInvalidException e) {
+
+		}
+
+	}
+
 	public IBulkDataExportSvc.JobInfo awaitJobCompletion(String theJobId) throws InterruptedException {
 		while(true) {
 			IBulkDataExportSvc.JobInfo jobInfo = myBulkDataExportSvc.getJobInfoOrThrowResourceNotFound(theJobId);

hapi-fhir-jpaserver-batch/src/main/java/ca/uhn/fhir/jpa/batch/api/IBatchJobSubmitter.java

@@ -3,8 +3,9 @@ package ca.uhn.fhir.jpa.batch.api;
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobParameters;
+import org.springframework.batch.core.JobParametersInvalidException;
 
 public interface IBatchJobSubmitter {
 
-	JobExecution runJob(Job theJob, JobParameters theJobParameters);
+	JobExecution runJob(Job theJob, JobParameters theJobParameters) throws JobParametersInvalidException;
 }

hapi-fhir-jpaserver-batch/src/main/java/ca/uhn/fhir/jpa/batch/svc/BatchJobSubmitterImpl.java

@@ -1,6 +1,7 @@
 package ca.uhn.fhir.jpa.batch.svc;
 
 import ca.uhn.fhir.jpa.batch.api.IBatchJobSubmitter;
+import org.slf4j.Logger;
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobParameters;
@@ -8,31 +9,32 @@ import org.springframework.batch.core.JobParametersInvalidException;
 import org.springframework.batch.core.launch.JobLauncher;
 import org.springframework.batch.core.repository.JobExecutionAlreadyRunningException;
 import org.springframework.batch.core.repository.JobInstanceAlreadyCompleteException;
+import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.batch.core.repository.JobRestartException;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.ApplicationContext;
-import org.springframework.transaction.PlatformTransactionManager;
+
+import static org.slf4j.LoggerFactory.getLogger;
 
 public class BatchJobSubmitterImpl implements IBatchJobSubmitter {
 
+	private static final Logger ourLog = getLogger(BatchJobSubmitterImpl.class);
+
 	@Autowired
 	private JobLauncher myJobLauncher;
 
+	@Autowired
+	private JobRepository myJobRepository;
+
 	@Override
-	public JobExecution runJob(Job theJob, JobParameters theJobParameters) {
+	public JobExecution runJob(Job theJob, JobParameters theJobParameters) throws JobParametersInvalidException{
 		try {
 			return myJobLauncher.run(theJob, theJobParameters);
-		} catch (JobExecutionAlreadyRunningException theE) {
-			//FIXME properly handle these
-			theE.printStackTrace();
-		} catch (JobRestartException theE) {
-			theE.printStackTrace();
-		} catch (JobInstanceAlreadyCompleteException theE) {
-			theE.printStackTrace();
+		} catch (JobExecutionAlreadyRunningException | JobRestartException | JobInstanceAlreadyCompleteException theE) {
+			ourLog.warn("Job {} was already running, ignoring the call to start.", theJob.getName());
+			return myJobRepository.getLastJobExecution(theJob.getName(), theJobParameters);
 		} catch (JobParametersInvalidException theE) {
-			theE.printStackTrace();
-		}
-		return null;
-
+			ourLog.error("Job Parameters passed to this job were invalid: {}", theE.getMessage());
+			throw theE;
+		}
 	}
 }