Elasticsearch Plugin

Elasticsearch is a popular search and analytics engine.

Maven:

<dependency>
   <groupId>org.geotools</groupId>
   <artifactId>gt-elasticsearch</artifactId>
   <version>${geotools.version}</version>
 </dependency>

Connection Parameters

Available data store connection parameters are summarized in the following table:

Parameter	Description
elasticsearch_host	Host (IP) for connecting to Elasticsearch. HTTP scheme and port can optionally be included to override the defaults. Multiple hosts can be provided. Examples: localhost localhost:9200 http://localhost http://localhost:9200 https://localhost:9200 https://somehost.somedomain:9200,https://anotherhost.somedomain:9200
elasticsearch_port	Default HTTP port for connecting to Elasticsearch. Ignored if the hostname includes the port.
user	Elasticsearch user. Must have superuser privilege on index.
passwd	Elasticsearch user password
runas_geoserver_user	Whether to submit requests on behalf of the authenticated GeoServer user
proxy_user	Elasticsearch user for document queries. If not provided then admin user credentials are used for all requests.
proxy_passwd	Elasticsearch proxy user password
index_name	Index name or alias (wildcards supported)
reject_unauthorized	Whether to validate the server certificate during the SSL handshake for https connections
default_max_features	Default used when maxFeatures is unlimited
response_buffer_limit	Maximum number of bytes to buffer in memory when reading responses from Elasticsearch
source_filtering_enabled	Whether to enable filtering of the _source field
scroll_enabled	Enable the Elasticsearch scan and scroll API
scroll_size	Number of documents per shard when using the scroll API
scroll_time	Search context timeout when using the scroll API
array_encoding	Array encoding strategy. Allowed values are JSON (keep arrays) and CSV (keep first array element).
grid_size	Hint for Geohash grid size (numRows*numCols)
grid_threshold	Geohash grid aggregation precision will be the minimum necessary so that actual_grid_size/grid_size > grid_threshold

Example use:

Map map = new HashMap();
map.put(ElasticDataStoreFactory.HOSTNAME.key, "http://localhost:9200");
map.put(ElasticDataStoreFactory.INDEX_NAME.key, "status_s");