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Delete Index API

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Delete Index API

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Delete Index Request

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A DeleteIndexRequest requires an index argument:

DeleteIndexRequest request = new DeleteIndexRequest("posts");

Index

Optional arguments

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The following arguments can optionally be provided:

request.timeout(TimeValue.timeValueMinutes(2)); 
request.timeout("2m");

	Timeout to wait for the all the nodes to acknowledge the index deletion as a `TimeValue`
	Timeout to wait for the all the nodes to acknowledge the index deletion as a `String`

request.masterNodeTimeout(TimeValue.timeValueMinutes(1)); 
request.masterNodeTimeout("1m");

	Timeout to connect to the master node as a `TimeValue`
	Timeout to connect to the master node as a `String`

request.indicesOptions(IndicesOptions.lenientExpandOpen());

Setting IndicesOptions controls how unavailable indices are resolved and how wildcard expressions are expanded

Synchronous Execution

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DeleteIndexResponse deleteIndexResponse = client.indices().deleteIndex(request);

Asynchronous Execution

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client.indices().deleteIndexAsync(request, new ActionListener<DeleteIndexResponse>() {
    @Override
    public void onResponse(DeleteIndexResponse deleteIndexResponse) {
        
    }

    @Override
    public void onFailure(Exception e) {
        
    }
});

	Called when the execution is successfully completed. The response is provided as an argument
	Called in case of failure. The raised exception is provided as an argument

Delete Index Response

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The returned DeleteIndexResponse allows to retrieve information about the executed operation as follows:

boolean acknowledged = deleteIndexResponse.isAcknowledged();

Indicates whether all of the nodes have acknowledged the request or not

If the index was not found, an ElasticsearchException will be thrown:

try {
    DeleteIndexRequest request = new DeleteIndexRequest("does_not_exist");
    client.indices().deleteIndex(request);
} catch (ElasticsearchException exception) {
    if (exception.status() == RestStatus.NOT_FOUND) {
        
    }
}

Do something if the index to be deleted was not found

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