@Override
        public EdgeFeatures edge() {
            return new EdgeFeatures() {
                @Override
                public boolean supportsAddEdges() {
                    return false;
                }

                @Override
                public boolean supportsRemoveEdges() {
                    return false;
                }

                @Override
                public boolean supportsAddProperty() {
                    return false;
                }

                @Override
                public boolean supportsRemoveProperty() {
                    return false;
                }

                @Override
                public boolean supportsCustomIds() {
                    return false;
                }
            };
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/structure/HadoopGraph.java