Templates w/ new java-client

Elastic Stack Elasticsearch
1

Initially I was looking for a way to add component and index templates via the new java-client. Then I stumbled upon the following two methods:

  • ElasticsearchIndicesClient.getTemplate
  • ElasticsearchIndicesClient.getIndexTemplate

both of their documentation links send me to the the Index-Template page.

Can you explain the difference of those two methods?

Anyhow, the component template is defined in the cluster namespace.

Back to my main problem: With the HLRC I was able to read a JSON from disk, defining the component or index template. But I can't seem to find it. In one Test I found this method - is this the preferred way?

Thanks

2

The getTemplate method is for the "legacy index template" API. Thanks for the report, we will fix the link.

Regarding loading JSON from disk, this is indeed a way to do it. Be aware though that it may not work for requests that have a required path parameter, such as index creation. We have recently added a feature that allows reading any object from JSON and will be in the next minor releases.

Pull request: Raw json support by swallez · Pull Request #200 · elastic/elasticsearch-java · GitHub
Docs: Creating API objects from JSON data | Elasticsearch Java API Client [master] | Elastic

3

Perfect, and happy to help!.

I read the second link, but I need it for the IndexTemplate and ComponentTemplate to read from JSON, so I guess the pull request, if this includes those configuration classes, should be perfect.

I'll go w/ the way in the Test class for now, and switch to the other one as soon as it's available.

Thanks.

4

if this includes those configuration classes, should be perfect

Yep, it does :slight_smile:

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