graphdb/src/main/java/com/tinkerpop/blueprints/impls/orient/OrientBaseGraph.java
public OrientEdgeType getEdgeType(final String iTypeName) {
    makeActive();

    final OClass cls = getRawGraph().getMetadata().getSchema().getClass(iTypeName);
    if (cls == null)
      return null;

    OrientEdgeType.checkType(cls);
    return new OrientEdgeType(this, cls);
  }
public OrientEdgeType getEdgeType(final String iTypeName) {
    makeActive();

    final OClass cls = getRawGraph().getMetadata().getSchema().getClass(iTypeName);
    if (cls == null)
      return null;

    OrientEdgeType.checkType(cls);
    return new OrientEdgeType(this, cls);
  }
Returns the persistent class for type iTypeName as OrientEdgeType instance.

@param iTypeName Edge class name