Java Code Examples for org.elasticsearch.action.get.GetResponse#getVersion()

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 {

    }
}
 

private void doStore(Task parentTask, GetResponse response, CreateModelFromSetRequest request,
                     ActionListener<CreateModelFromSetResponse> listener) {
    if (!response.isExists()) {
        throw new IllegalArgumentException("Stored feature set [" + request.getFeatureSetName() + "] does not exist");
    }
    if (request.getExpectedSetVersion() != null && request.getExpectedSetVersion() != response.getVersion()) {
        throw new IllegalArgumentException("Stored feature set [" + request.getFeatureSetName() + "]" +
                " has version [" + response.getVersion() + "] but [" + request.getExpectedSetVersion() + "] was expected.");
    }
    final StoredFeatureSet set;
    try {
        set = IndexFeatureStore.parse(StoredFeatureSet.class, StoredFeatureSet.TYPE, response.getSourceAsBytesRef());
    } catch(IOException ioe) {
        throw new IllegalStateException("Cannot parse stored feature set [" + request.getFeatureSetName() + "]", ioe);
    }
    // Model will be parsed & checked by TransportFeatureStoreAction
    StoredLtrModel model = new StoredLtrModel(request.getModelName(), set, request.getDefinition());
    FeatureStoreRequest featureStoreRequest = new FeatureStoreRequest(request.getStore(), model, FeatureStoreRequest.Action.CREATE);
    featureStoreRequest.setRouting(request.getRouting());
    featureStoreRequest.setParentTask(clusterService.localNode().getId(), parentTask.getId());
    featureStoreRequest.setValidation(request.getValidation());
    featureStoreAction.execute(featureStoreRequest, ActionListener.wrap(
            (r) -> listener.onResponse(new CreateModelFromSetResponse(r.getResponse())),
            listener::onFailure));

}
 

/**
 * 获取索引信息
 * @param index
 * @param type
 * @param id
 */
private static void getIndex(String index, String type, String id){
	Client client = createTransportClient();
	GetResponse response = client.prepareGet(index, type, id)
	        .execute()
	        .actionGet();
	boolean exists = response.isExists();
	System.out.println(exists);// 判断索引是否存在
	String sourceString = response.getSourceAsString();
	System.out.println(sourceString);// 获取索引,并且打印出索引内容
	System.out.println("****************index ***********************");
	// Index name
	String _index = response.getIndex();
	// Type name
	String _type = response.getType();
	// Document ID (generated or not)
	String _id = response.getId();
	// Version (if it's the first time you index this document, you will get: 1)
	long _version = response.getVersion();
	System.out.println(_index+","+_type+","+_id+","+_version);
}
 

/**
 * Returns a Document representing the specified document ID (combination of resource and context), or null when no
 * such Document exists yet.
 */
@Override
protected SearchDocument getDocument(String id) throws IOException {
	GetResponse response = client.prepareGet(indexName, documentType, id).execute().actionGet();
	if (response.isExists()) {
		return new ElasticsearchDocument(response.getId(), response.getType(), response.getIndex(),
				response.getVersion(), response.getSource(), geoContextMapper);
	}
	// no such Document
	return null;
}
 

public static PersistentServiceDef fromGetResponse(GetResponse getResponse) {
    long persistentVersion = getResponse.getVersion();
    JsonObject document = new JsonObject(getResponse.getSourceAsString());

    return new PersistentServiceDef(getResponse.getId(), persistentVersion)
            .merge(document);
}
 

/**
	 * 多查询使用
	 * 
	 * @throws IOException
	 */
	private static void multiGet() throws IOException {

		MultiGetRequest request = new MultiGetRequest();
		request.add(new MultiGetRequest.Item("estest", "estest", "1"));
		request.add(new MultiGetRequest.Item("user", "userindex", "2"));
		// 禁用源检索，默认启用
//		request.add(new MultiGetRequest.Item("user", "userindex", "2").fetchSourceContext(FetchSourceContext.DO_NOT_FETCH_SOURCE));

		// 同步构建
		MultiGetResponse response = client.mget(request, RequestOptions.DEFAULT);

		// 异步构建
//		MultiGetResponse response2 = client.mgetAsync(request, RequestOptions.DEFAULT, listener);

		/*
		 * 返回的MultiGetResponse包含在' getResponses中的MultiGetItemResponse的列表，其顺序与请求它们的顺序相同。
		 * 如果成功，MultiGetItemResponse包含GetResponse或MultiGetResponse。如果失败了就失败。
		 * 成功看起来就像一个正常的GetResponse
		 */

		for (MultiGetItemResponse item : response.getResponses()) {
			assertNull(item.getFailure());
			GetResponse get = item.getResponse();
			String index = item.getIndex();
			String type = item.getType();
			String id = item.getId();
			// 如果请求存在
			if (get.isExists()) {
				long version = get.getVersion();
				String sourceAsString = get.getSourceAsString();
				Map<String, Object> sourceAsMap = get.getSourceAsMap();
				byte[] sourceAsBytes = get.getSourceAsBytes();
				System.out.println("查询的结果:" + sourceAsMap);
			} else {
				System.out.println("没有找到该文档!");
			}

		}

	}
 

public static PersistentObject fromGetResponse(PersistentContainer container, GetResponse getResponse) {

        String id = getResponse.getId();
        long persistentVersion = getResponse.getVersion();
        JsonObject document = new JsonObject(getResponse.getSourceAsString());

        return new PersistentObject(container, id, persistentVersion)
                .merge(document);

    }