digraph g {
  //providers
  MongoPersistReader [label="MongoPersistReader",shape=ellipse,URL="https://github.com/apache/incubator-streams/blob/master/streams-contrib/streams-persist-mongo/src/main/java/org/apache/streams/mongo/MongoPersistReader.java"];
  //persisters
  ElasticsearchPersistWriter [label="ElasticsearchPersistWriter",shape=ellipse,URL="https://github.com/apache/incubator-streams/blob/master/streams-contrib/streams-persist-elasticsearch/src/main/java/org/apache/streams/elasticsearch/ElasticsearchPersistWriter.java"];
  //data
  source [label="mongdb://{db}/{collection}",shape=box];
  destination [label="es://{index}/{type}",shape=box];
 
  //stream
  source -> MongoPersistReader [label="ObjectNode"];
  MongoPersistReader -> ElasticsearchPersistWriter [label="ObjectNode"];
  ElasticsearchPersistWriter -> destination [label="ObjectNode"];
}