public String toJson() throws JsonGenerationException, JsonMappingException, IOException {
    return EsriJsonFactory.JsonFromFeatureClass(this);
  }
@return JSON string representation of this feature class
@throws com.fasterxml.jackson.core.JsonGenerationException
@throws com.fasterxml.jackson.databind.JsonMappingException
@throws java.io.IOException
ql/src/java/org/apache/hadoop/hive/ql/io/esriJson/EsriFeatureClass.java