Examples with QueryExplanation org.elasticsearch.action.admin.indices.validate.query.QueryExplanation used on opensource projects

Example 1 with QueryExplanation

use of org.elasticsearch.action.admin.indices.validate.query.QueryExplanation in project elasticsearch by elastic.

the class RestValidateQueryAction method prepareRequest.

@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
    ValidateQueryRequest validateQueryRequest = new ValidateQueryRequest(Strings.splitStringByCommaToArray(request.param("index")));
    validateQueryRequest.indicesOptions(IndicesOptions.fromRequest(request, validateQueryRequest.indicesOptions()));
    validateQueryRequest.explain(request.paramAsBoolean("explain", false));
    validateQueryRequest.types(Strings.splitStringByCommaToArray(request.param("type")));
    validateQueryRequest.rewrite(request.paramAsBoolean("rewrite", false));
    Exception bodyParsingException = null;
    try {
        request.withContentOrSourceParamParserOrNull(parser -> {
            if (parser != null) {
                validateQueryRequest.query(RestActions.getQueryContent(parser));
            } else if (request.hasParam("q")) {
                validateQueryRequest.query(RestActions.urlParamsToQueryBuilder(request));
            }
        });
    } catch (Exception e) {
        bodyParsingException = e;
    }
    final Exception finalBodyParsingException = bodyParsingException;
    return channel -> {
        if (finalBodyParsingException != null) {
            if (finalBodyParsingException instanceof ParsingException) {
                handleException(validateQueryRequest, ((ParsingException) finalBodyParsingException).getDetailedMessage(), channel);
            } else {
                handleException(validateQueryRequest, finalBodyParsingException.getMessage(), channel);
            }
        } else {
            client.admin().indices().validateQuery(validateQueryRequest, new RestBuilderListener<ValidateQueryResponse>(channel) {

                @Override
                public RestResponse buildResponse(ValidateQueryResponse response, XContentBuilder builder) throws Exception {
                    builder.startObject();
                    builder.field(VALID_FIELD, response.isValid());
                    buildBroadcastShardsHeader(builder, request, response);
                    if (response.getQueryExplanation() != null && !response.getQueryExplanation().isEmpty()) {
                        builder.startArray(EXPLANATIONS_FIELD);
                        for (QueryExplanation explanation : response.getQueryExplanation()) {
                            builder.startObject();
                            if (explanation.getIndex() != null) {
                                builder.field(INDEX_FIELD, explanation.getIndex());
                            }
                            builder.field(VALID_FIELD, explanation.isValid());
                            if (explanation.getError() != null) {
                                builder.field(ERROR_FIELD, explanation.getError());
                            }
                            if (explanation.getExplanation() != null) {
                                builder.field(EXPLANATION_FIELD, explanation.getExplanation());
                            }
                            builder.endObject();
                        }
                        builder.endArray();
                    }
                    builder.endObject();
                    return new BytesRestResponse(OK, builder);
                }
            });
        }
    };
}