How to use

hasNot

method

in

com.tinkerpop.gremlin.java.GremlinPipeline

  protected Pipe getQueryPipe() {
    return new GremlinPipeline().has(Constants.ENTITY_TEXT_PROPERTY_KEY).
        hasNot(Constants.ENTITY_TYPE_PROPERTY_KEY, "Taxonomy");
  }
}

@Override
protected Pipe getQueryPipe() {
  GremlinPipeline p;
  if (guid.equals("*")) {
    p = new GremlinPipeline().has(Constants.ENTITY_TEXT_PROPERTY_KEY).
        hasNot(Constants.ENTITY_TYPE_PROPERTY_KEY, "Taxonomy").outE();
  } else {
    p = new GremlinPipeline().has(Constants.GUID_PROPERTY_KEY, guid).outE();
  }
  //todo: this is basically the same pipeline used in TagRelation.asPipe()
  p.add(new FilterFunctionPipe<>(new PipeFunction<Edge, Boolean>() {
    @Override
    public Boolean compute(Edge edge) {
      String type = edge.getVertex(Direction.OUT).getProperty(Constants.ENTITY_TYPE_PROPERTY_KEY);
      VertexWrapper v = new TermVertexWrapper(edge.getVertex(Direction.IN));
      return edge.getLabel().startsWith(type) && v.getPropertyKeys().contains("available_as_tag");
    }
  }));
  return p.inV();
}

pipe.out(EdgeType.USEREVENT).out().
   has(PropertyName.TYPE, VertexType.REPOSITORY).
   hasNot(PropertyName.FULLNAME, "/").dedup().
   property(PropertyName.FULLNAME).
   fill(childRepositories);