Examples with ActionResponse org.apache.zeppelin.elasticsearch.action.ActionResponse used on opensource projects

Example 1 with ActionResponse

use of org.apache.zeppelin.elasticsearch.action.ActionResponse in project zeppelin by apache.

the class ElasticsearchInterpreter method processGet.

/**
 * Processes a "get" request.
 *
 * @param urlItems Items of the URL
 * @param interpreterContext Instance of the context
 * @return Result of the get request, it contains a JSON-formatted string
 */
private InterpreterResult processGet(String[] urlItems, InterpreterContext interpreterContext) {
    final String[] indexTypeId = getIndexTypeId(urlItems);
    if (indexTypeId == null) {
        return new InterpreterResult(InterpreterResult.Code.ERROR, "Bad URL (it should be /index/type/id)");
    }
    final ActionResponse response = elsClient.get(indexTypeId[0], indexTypeId[1], indexTypeId[2]);
    if (response.isSucceeded()) {
        final JsonObject json = response.getHit().getSourceAsJsonObject();
        final String jsonStr = gson.toJson(json);
        addAngularObject(interpreterContext, "get", json);
        return new InterpreterResult(InterpreterResult.Code.SUCCESS, InterpreterResult.Type.TEXT, jsonStr);
    }
    return new InterpreterResult(InterpreterResult.Code.ERROR, "Document not found");
}

Example 2 with ActionResponse

use of org.apache.zeppelin.elasticsearch.action.ActionResponse in project zeppelin by apache.

the class ElasticsearchInterpreter method processSearch.

/**
 * Processes a "search" request.
 *
 * @param urlItems Items of the URL
 * @param data May contains the JSON of the request
 * @param size Limit of result set
 * @param interpreterContext Instance of the context
 * @return Result of the search request, it contains a tab-formatted string of the matching hits
 */
private InterpreterResult processSearch(String[] urlItems, String data, int size, InterpreterContext interpreterContext) {
    if (urlItems.length > 2) {
        return new InterpreterResult(InterpreterResult.Code.ERROR, "Bad URL (it should be /index1,index2,.../type1,type2,...)");
    }
    final ActionResponse response = searchData(urlItems, data, size);
    addAngularObject(interpreterContext, "search", (response.getAggregations() != null && response.getAggregations().size() > 0) ? response.getAggregations() : response.getHits());
    return buildResponseMessage(response);
}

Example 3 with ActionResponse

use of org.apache.zeppelin.elasticsearch.action.ActionResponse in project zeppelin by apache.

the class HttpBasedClient method delete.

@Override
public ActionResponse delete(String index, String type, String id) {
    ActionResponse response = null;
    try {
        final HttpRequest request = Unirest.delete(getUrl(index, type, id, true));
        if (StringUtils.isNotEmpty(username)) {
            request.basicAuth(username, password);
        }
        final HttpResponse<String> result = request.asString();
        final boolean isSucceeded = isSucceeded(result);
        if (isSucceeded) {
            final JsonNode body = new JsonNode(result.getBody());
            response = new ActionResponse().succeeded(true).hit(new HitWrapper(getFieldAsString(body, "_index"), getFieldAsString(body, "_type"), getFieldAsString(body, "_id"), null));
        } else {
            throw new ActionException(result.getBody());
        }
    } catch (final UnirestException e) {
        throw new ActionException(e);
    }
    return response;
}

Example 4 with ActionResponse

use of org.apache.zeppelin.elasticsearch.action.ActionResponse in project zeppelin by apache.

the class HttpBasedClient method get.

@Override
public ActionResponse get(String index, String type, String id) {
    ActionResponse response = null;
    try {
        final HttpRequest request = Unirest.get(getUrl(index, type, id, true));
        if (StringUtils.isNotEmpty(username)) {
            request.basicAuth(username, password);
        }
        final HttpResponse<String> result = request.asString();
        final boolean isSucceeded = isSucceeded(result);
        if (isSucceeded) {
            final JsonNode body = new JsonNode(result.getBody());
            if (body.getObject().has("_index")) {
                response = new ActionResponse().succeeded(true).hit(new HitWrapper(getFieldAsString(body, "_index"), getFieldAsString(body, "_type"), getFieldAsString(body, "_id"), getFieldAsString(body, "_source")));
            } else {
                final JSONArray hits = getFieldAsArray(body.getObject(), "hits/hits");
                final JSONObject hit = (JSONObject) hits.iterator().next();
                response = new ActionResponse().succeeded(true).hit(new HitWrapper(hit.getString("_index"), hit.getString("_type"), hit.getString("_id"), hit.opt("_source").toString()));
            }
        } else {
            if (result.getStatus() == 404) {
                response = new ActionResponse().succeeded(false);
            } else {
                throw new ActionException(result.getBody());
            }
        }
    } catch (final UnirestException e) {
        throw new ActionException(e);
    }
    return response;
}

Example 5 with ActionResponse

use of org.apache.zeppelin.elasticsearch.action.ActionResponse in project zeppelin by apache.

the class HttpBasedClient method search.

@Override
public ActionResponse search(String[] indices, String[] types, String query, int size) {
    ActionResponse response = null;
    if (!StringUtils.isEmpty(query)) {
        // So, try to parse as a JSON => if there is an error, consider the query a Lucene one
        try {
            gson.fromJson(query, Map.class);
        } catch (final JsonParseException e) {
            // This is not a JSON (or maybe not well formatted...)
            query = QUERY_STRING_TEMPLATE.replace("_Q_", query);
        }
    }
    try {
        final HttpRequestWithBody request = Unirest.post(getUrl(indices, types) + "/_search?size=" + size).header("Content-Type", "application/json");
        if (StringUtils.isNoneEmpty(query)) {
            request.header("Accept", "application/json").body(query);
        }
        if (StringUtils.isNotEmpty(username)) {
            request.basicAuth(username, password);
        }
        final HttpResponse<JsonNode> result = request.asJson();
        final JSONObject body = result.getBody() != null ? result.getBody().getObject() : null;
        if (isSucceeded(result)) {
            final long total = getTotal(result);
            response = new ActionResponse().succeeded(true).totalHits(total);
            if (containsAggs(result)) {
                JSONObject aggregationsMap = body.getJSONObject("aggregations");
                if (aggregationsMap == null) {
                    aggregationsMap = body.getJSONObject("aggs");
                }
                for (final String key : aggregationsMap.keySet()) {
                    final JSONObject aggResult = aggregationsMap.getJSONObject(key);
                    if (aggResult.has("buckets")) {
                        // Multi-bucket aggregations
                        final Iterator<Object> buckets = aggResult.getJSONArray("buckets").iterator();
                        while (buckets.hasNext()) {
                            response.addAggregation(new AggWrapper(AggregationType.MULTI_BUCKETS, buckets.next().toString()));
                        }
                    } else {
                        response.addAggregation(new AggWrapper(AggregationType.SIMPLE, aggregationsMap.toString()));
                    }
                    // Keep only one aggregation
                    break;
                }
            } else if (size > 0 && total > 0) {
                final JSONArray hits = getFieldAsArray(body, "hits/hits");
                final Iterator<Object> iter = hits.iterator();
                while (iter.hasNext()) {
                    final JSONObject hit = (JSONObject) iter.next();
                    final Object data = hit.opt("_source") != null ? hit.opt("_source") : hit.opt("fields");
                    response.addHit(new HitWrapper(hit.getString("_index"), hit.getString("_type"), hit.getString("_id"), data.toString()));
                }
            }
        } else {
            throw new ActionException(body.get("error").toString());
        }
    } catch (final UnirestException e) {
        throw new ActionException(e);
    }
    return response;
}