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Elasticsearch

Configuration

The following properties may be used to configure the connection to the elasticsearch server / elasticsearch index.

nice2.enterprisesearch.elasticsearch.hostName=es1.stage.tocco.cust.vshn.net
nice2.enterprisesearch.elasticsearch.port=443
nice2.enterprisesearch.elasticsearch.indexName=localhost
nice2.enterprisesearch.elasticsearch.username=user-test
nice2.enterprisesearch.elasticsearch.password=xxxxxxx

Local Development

When developing locally the FakeFulltextIndexService is used by default. This service works with using a direct db search instead of using a real elasticsearch instance. If a real elasticsearch backend is required (e.g. to debug / fix issues with the elasticsearch integration), a connection to a elasticsearch backend needs to be configured as described in Configuration.

Used endpoints

Mappings

The mappings endpoint is used when setting up an index.

PUT https://{hostName}/{index-name}/_mapping
{
    "properties": {
        "pagerank": {
            "type": "rank_features",
            "positive_score_impact": true
        },
        "completion_suggestions": {
            "type": "completion"
        }
    }
}

Indexing

If a single entity is saved (inserted or updated) the Index-API endpoint is used to add / update it in the index. If multiple entities need to be added / updated (e.g. when recreating the index) the Bulk-API is used to index multiple entities in a single request.

Deleting

If a single entity is deleted, the Delete-API is used to remove the index entry. If multiple entries need to be removed from the index (e.g. the whole entity model / multiple pks when fixing the index) the Delete-By-Query-API is used.