Java Code Examples for org.elasticsearch.action.get.GetRequest#fetchSourceContext()

The following examples show how to use org.elasticsearch.action.get.GetRequest#fetchSourceContext() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Test.java    From dht-spider with MIT License 6 votes vote down vote up 
public static void get(Map<String, Object> m) throws Exception{
    GetRequest getRequest = new GetRequest(
            "haha",
            "doc",
            "2");
    String[] includes = new String[]{"message","user","*Date"};
    String[] excludes = Strings.EMPTY_ARRAY;
    FetchSourceContext fetchSourceContext =
            new FetchSourceContext(true, includes, excludes);
    getRequest.fetchSourceContext(fetchSourceContext);

    GetResponse getResponse = client.get(getRequest, RequestOptions.DEFAULT);
    String index = getResponse.getIndex();
    String type = getResponse.getType();
    String id = getResponse.getId();
    if (getResponse.isExists()) {
        long version = getResponse.getVersion();
        String sourceAsString = getResponse.getSourceAsString();
        Map<String, Object> sourceAsMap = getResponse.getSourceAsMap();
        System.out.println(sourceAsMap);
    } else {

    }
}
Example 2
Source File: RestGetAction.java    From Elasticsearch with Apache License 2.0 5 votes vote down vote up 
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
    final GetRequest getRequest = new GetRequest(request.param("index"), request.param("type"), request.param("id"));
    getRequest.operationThreaded(true);
    getRequest.refresh(request.paramAsBoolean("refresh", getRequest.refresh()));
    getRequest.routing(request.param("routing"));  // order is important, set it after routing, so it will set the routing
    getRequest.parent(request.param("parent"));
    getRequest.preference(request.param("preference"));
    getRequest.realtime(request.paramAsBoolean("realtime", null));
    getRequest.ignoreErrorsOnGeneratedFields(request.paramAsBoolean("ignore_errors_on_generated_fields", false));

    String sField = request.param("fields");
    if (sField != null) {
        String[] sFields = Strings.splitStringByCommaToArray(sField);
        if (sFields != null) {
            getRequest.fields(sFields);
        }
    }

    getRequest.version(RestActions.parseVersion(request));
    getRequest.versionType(VersionType.fromString(request.param("version_type"), getRequest.versionType()));

    getRequest.fetchSourceContext(FetchSourceContext.parseFromRestRequest(request));

    client.get(getRequest, new RestBuilderListener<GetResponse>(channel) {
        @Override
        public RestResponse buildResponse(GetResponse response, XContentBuilder builder) throws Exception {
            builder.startObject();
            response.toXContent(builder, request);
            builder.endObject();
            if (!response.isExists()) {
                return new BytesRestResponse(NOT_FOUND, builder);
            } else {
                return new BytesRestResponse(OK, builder);
            }
        }
    });
}
Example 3
Source File: RestGetSourceAction.java    From Elasticsearch with Apache License 2.0 5 votes vote down vote up 
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
    final GetRequest getRequest = new GetRequest(request.param("index"), request.param("type"), request.param("id"));
    getRequest.operationThreaded(true);
    getRequest.refresh(request.paramAsBoolean("refresh", getRequest.refresh()));
    getRequest.routing(request.param("routing"));  // order is important, set it after routing, so it will set the routing
    getRequest.parent(request.param("parent"));
    getRequest.preference(request.param("preference"));
    getRequest.realtime(request.paramAsBoolean("realtime", null));

    getRequest.fetchSourceContext(FetchSourceContext.parseFromRestRequest(request));

    if (getRequest.fetchSourceContext() != null && !getRequest.fetchSourceContext().fetchSource()) {
        try {
            ActionRequestValidationException validationError = new ActionRequestValidationException();
            validationError.addValidationError("fetching source can not be disabled");
            channel.sendResponse(new BytesRestResponse(channel, validationError));
        } catch (IOException e) {
            logger.error("Failed to send failure response", e);
        }
    }

    client.get(getRequest, new RestResponseListener<GetResponse>(channel) {
        @Override
        public RestResponse buildResponse(GetResponse response) throws Exception {
            XContentBuilder builder = channel.newBuilder(response.getSourceInternal(), false);
            if (!response.isExists()) {
                return new BytesRestResponse(NOT_FOUND, builder);
            } else {
                builder.rawValue(response.getSourceInternal());
                return new BytesRestResponse(OK, builder);
            }
        }
    });
}
Example 4
Source File: ElasticSearchUtils.java    From bdt with Apache License 2.0 5 votes vote down vote up 
/**
 * Indexes a document.
 *
 * @param indexName
 * @param id          unique identifier of the document
 * @throws Exception
 */
public boolean existsDocument(String indexName, String id) {
    GetRequest request = new GetRequest(indexName, id);

    request.fetchSourceContext(new FetchSourceContext(false));
    request.storedFields("_none_");

    try {
        return client.exists(request, RequestOptions.DEFAULT);
    } catch (IOException e) {
        throw new ElasticsearchException("Error indexing document");
    }
}
Example 5
Source File: ElasticsearchSpewer.java    From datashare with GNU Affero General Public License v3.0 4 votes vote down vote up 
private boolean isDuplicate(String docId) throws IOException {
    GetRequest getRequest = new GetRequest(indexName, esCfg.indexType, docId);
    getRequest.fetchSourceContext(new FetchSourceContext(false));
    getRequest.storedFields("_none_");
    return client.exists(getRequest, RequestOptions.DEFAULT);
}