src/main/java/ca/jeb/protobuf/internal/ProtobufSerializerUtils.java
public static final String getProtobufGetter(ProtobufAttribute protobufAttribute, Field field)
  {
    final String fieldName = field.getName();
    final String upperClassName = field.getDeclaringClass().getCanonicalName();
    // Look at the cache first
    Map<String, String> map = CLASS_TO_FIELD_GETTERS_MAP_CACHE.get(upperClassName);
    if (map != null)
    {
      if (!map.isEmpty() && map.containsKey(fieldName))
      {
        return map.get(fieldName);
      }
    }
    else
    {
      map = new ConcurrentHashMap<>();
    }

    final String upperCaseFirstFieldName = JStringUtils.upperCaseFirst(field.getName());
    String getter = "get" + upperCaseFirstFieldName;

    if (Collection.class.isAssignableFrom(field.getType()))
    {
      getter += "List";
    }
    if (!protobufAttribute.protobufGetter().isEmpty())
    {
      return protobufAttribute.protobufGetter();
    }

    map.put(fieldName, getter);
    CLASS_TO_FIELD_GETTERS_MAP_CACHE.put(upperClassName, map);

    return getter;
  }
public static final String getProtobufGetter(ProtobufAttribute protobufAttribute, Field field)
  {
    final String fieldName = field.getName();
    final String upperClassName = field.getDeclaringClass().getCanonicalName();
    // Look at the cache first
    Map<String, String> map = CLASS_TO_FIELD_GETTERS_MAP_CACHE.get(upperClassName);
    if (map != null)
    {
      if (!map.isEmpty() && map.containsKey(fieldName))
      {
        return map.get(fieldName);
      }
    }
    else
    {
      map = new ConcurrentHashMap<>();
    }

    final String upperCaseFirstFieldName = JStringUtils.upperCaseFirst(field.getName());
    String getter = "get" + upperCaseFirstFieldName;

    if (Collection.class.isAssignableFrom(field.getType()))
    {
      getter += "List";
    }
    if (!protobufAttribute.protobufGetter().isEmpty())
    {
      return protobufAttribute.protobufGetter();
    }

    map.put(fieldName, getter);
    CLASS_TO_FIELD_GETTERS_MAP_CACHE.put(upperClassName, map);

    return getter;
  }
Retrieve the getter against the Protobuf class; default is to is "get" plus upper case first character of the field name.

@param protobufAttribute - {@link ProtobufAttribute}
@param field - {@link Field}
@return String