How to use

lookupLatestWorkflowDefinition

method

in

com.netflix.conductor.core.metadata.MetadataMapperService

public WorkflowDef lookupForWorkflowDefinition(String name, Integer version) {
  Optional<WorkflowDef> potentialDef =
      version == null ? lookupLatestWorkflowDefinition(name) : lookupWorkflowDefinition(name, version);
  //Check if the workflow definition is valid
  WorkflowDef workflowDefinition = potentialDef
      .orElseThrow(() -> {
            logger.error("There is no workflow defined with name {} and version {}", name, version);
            return new ApplicationException(
                ApplicationException.Code.NOT_FOUND,
                String.format("No such workflow defined. name=%s, version=%s", name, version)
            );
          }
      );
  return workflowDefinition;
}

@Test(expected = IllegalArgumentException.class)
public void testLookupLatestWorkflowDefinition() {
  String workflowName = "test";
  when(metadataDAO.getLatest(workflowName)).thenReturn(Optional.of(new WorkflowDef()));
  Optional<WorkflowDef> optionalWorkflowDef = metadataMapperService.lookupLatestWorkflowDefinition(workflowName);
  assertTrue(optionalWorkflowDef.isPresent());
  metadataMapperService.lookupLatestWorkflowDefinition(null);
}

public WorkflowDef lookupForWorkflowDefinition(String name, Integer version) {
  Optional<WorkflowDef> potentialDef =
      version == null ? lookupLatestWorkflowDefinition(name) : lookupWorkflowDefinition(name, version);
  //Check if the workflow definition is valid
  WorkflowDef workflowDefinition = potentialDef
      .orElseThrow(() -> {
            logger.error("There is no workflow defined with name {} and version {}", name, version);
            return new ApplicationException(
                ApplicationException.Code.NOT_FOUND,
                String.format("No such workflow defined. name=%s, version=%s", name, version)
            );
          }
      );
  return workflowDefinition;
}