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

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

    OrientVertexType.checkType(cls);
    return new OrientVertexType(this, cls);

  }
public OrientVertexType getVertexType(final String iTypeName) {
    makeActive();

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

    OrientVertexType.checkType(cls);
    return new OrientVertexType(this, cls);

  }
Returns the persistent class for type iTypeName as OrientVertexType instance.

@param iTypeName Vertex class name