:cp /javarepl/nebula-java-3.0.0/client/target/dependency/fastjson-1.2.78.jar :cp /javarepl/nebula-java-3.0.0/client/target/dependency/slf4j-api-1.7.25.jar :cp /javarepl/nebula-java-3.0.0/client/target/dependency/slf4j-log4j12-1.7.25.jar :cp /javarepl/nebula-java-3.0.0/client/target...
对于Nebula Graph 3.2.1, 需要使用3.0.0的版本. client的每个版本只能对应特定的一两个服务端版本 <dependency> <groupId>com.vesoft</groupId> <artifactId>client</artifactId> <version>3.0.0</version> </dependency> Java调用 Java调用主要是三部分, 创建连接池, 创建会话, 执行查询 创建NebulaPool 连接池...
:cp /javarepl/nebula-java-3.0.0/client/target/dependency/log4j-1.2.17.jarimportcom.alibaba.fastjson.JSON;importcom.alibaba.fastjson.JSONObject;importcom.vesoft.nebula.ErrorCode;importcom.vesoft.nebula.client.graph.NebulaPoolConfig;importcom.vesoft.nebula.client.graph.data.CASignedSSLParam;importcom.ve...
Nebula Java is a Java client for developers to connect their projects to Nebula Graph. Please be noted thatnebula-JDBC(based on nebula-java) is the JDBC implementing for nebula graph. Two main branches of this repository In this repository, you can find two branches for the source code of ...
在Java 中创建一个类来管理与 NebulaGraph 的连接。 importcom.vesoft.nebula.graph.client.GraphClient;importjava.util.List;publicclassNebulaGraphConnection{privateGraphClientclient;publicNebulaGraphConnection(Stringhost,intport){// 创建 GraphClient 实例client=newGraphClient(host,port);}publicvoidconnect(){/...
首先我们在java>提示符下,这些来把必须的类路径和导入: :cp /javarepl/nebula-java-3.0.0/client/target/client-3.0.0.jar :cp /javarepl/nebula-java-3.0.0/client/target/dependency/fastjson-1.2.78.jar :cp /javarepl/nebula-java-3.0.0/client/target/dependency/slf4j-api-1.7.25.jar ...
* SparkClientGenerator is a simple spark job used to write data into Nebula Graph parallel. */ object ExchangeUtil { private[this] val LOG = Logger.getLogger(this.getClass) def main(args: Array[String]): Unit = { val PROGRAM_NAME = "Nebula Graph Exchange" ...
具体的技术实现是调用 Nebula Java Client 连接 Nebula Graph 查询得到血缘关系。二是批量查询,当然批量查询所需的血缘数据已构建好并存储在 Nebula Graph 中。针对批量查询,这里举个例子:有一个部门的表,在某个时刻处于出现异常,会影响一批表,要找到这个部门的表,首先我们得找到它到底影响了哪些下游表,把这个完整...
答:因为你给 Session 包了一层,你直接用java-client的 ConnectionPool 拿 Session 就可以了,ConnectionPool 是支持多线程调用 getSession 的接口。 对Session 管理的理解 下面部分收录社区用户 wuyou 对 Session 管理的理解,你可以通过https://discuss.nebula-graph.com.cn/t/topic/8777了解全部内容。这块的内容同上...
Connected to local instance at http://localhost:43707java> System.out.println("Hello, World!"); Hello, World! java> 首先我们在java>提示符下,这些来把必须的类路径和导入: :cp /javarepl/nebula-java-3.0.0/client/target/client-3.0.0.jar ...