graphdb/src/main/java/com/tinkerpop/blueprints/impls/orient/OrientEdge.java
public String getClassName(final String iLabel) {
    if (iLabel != null && (settings == null || settings.isUseClassForEdgeLabel()))
      // USE THE LABEL AS DOCUMENT CLASS
      return checkForClassInSchema(iLabel);

    return OrientEdgeType.CLASS_NAME;
  }
public String getClassName(final String iLabel) {
    if (iLabel != null && (settings == null || settings.isUseClassForEdgeLabel()))
      // USE THE LABEL AS DOCUMENT CLASS
      return checkForClassInSchema(iLabel);

    return OrientEdgeType.CLASS_NAME;
  }
(Blueprints Extension) Returns the class name based on graph settings.