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Put Mapping API

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Put Mapping API

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Put Mapping Request

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A PutMappingRequest requires an index argument, and a type:

PutMappingRequest request = new PutMappingRequest("twitter"); 
request.type("_doc");

	The index to add the mapping to
	The type to create (or update)

Mapping source

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A description of the fields to create on the mapping; if not defined, the mapping will default to empty.

request.source(
    "{\n" +
    "  \"properties\": {\n" +
    "    \"message\": {\n" +
    "      \"type\": \"text\"\n" +
    "    }\n" +
    "  }\n" +
    "}", 
    XContentType.JSON);

Mapping source provided as a String

Providing the mapping source

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The mapping source can be provided in different ways in addition to the String example shown above:

Map<String, Object> jsonMap = new HashMap<>();
Map<String, Object> message = new HashMap<>();
message.put("type", "text");
Map<String, Object> properties = new HashMap<>();
properties.put("message", message);
jsonMap.put("properties", properties);
request.source(jsonMap);

Mapping source provided as a Map which gets automatically converted to JSON format

XContentBuilder builder = XContentFactory.jsonBuilder();
builder.startObject();
{
    builder.startObject("properties");
    {
        builder.startObject("message");
        {
            builder.field("type", "text");
        }
        builder.endObject();
    }
    builder.endObject();
}
builder.endObject();
request.source(builder);

Mapping source provided as an XContentBuilder object, the Elasticsearch built-in helpers to generate JSON content

request.source("message", "type=text");

Mapping source provided as Object key-pairs, which gets converted to JSON format

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

Synchronous Execution

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PutMappingResponse putMappingResponse = client.indices().putMapping(request, RequestOptions.DEFAULT);

Asynchronous Execution

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The asynchronous execution of a put mappings request requires both the PutMappingRequest instance and an ActionListener instance to be passed to the asynchronous method:

client.indices().putMappingAsync(request, RequestOptions.DEFAULT, listener);

The PutMappingRequest to execute and the ActionListener to use when the execution completes

The asynchronous method does not block and returns immediately. Once it is completed the ActionListener is called back using the onResponse method if the execution successfully completed or using the onFailure method if it failed.

A typical listener for PutMappingResponse looks like:

ActionListener<PutMappingResponse> listener =
    new ActionListener<PutMappingResponse>() {
        @Override
        public void onResponse(PutMappingResponse putMappingResponse) {
            
        }

        @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

Put Mapping Response

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

boolean acknowledged = putMappingResponse.isAcknowledged();

Indicates whether all of the nodes have acknowledged the request

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