Using Java to Operate the DataStax Enterprise Graph

To operate the DataStax Enterprise Graph using Java, the following steps are required: 1. Add DataStax Enterprise Graph Maven dependency: Add the following dependencies in the pom.xml file of the project: <dependencies> <dependency> <groupId>com.datastax.dse</groupId> <artifactId>dse-graph</artifactId> <version>6.8.0</version> </dependency> </dependencies> 2. Create a graph object connected to the DataStax Enterprise Graph: Create a graph object in Java code that connects to the DataStax Enterprise Graph. Ensure that the correct connection parameters are set when creating graph objects, such as the name of the graph, the connection points of the graph, etc. import com.datastax.dse.graph.api.DseCluster; import com.datastax.dse.graph.api.DseGraph; import com.datastax.dse.graph.api.DseGraph.GraphOptions; DseCluster dseCluster = DseCluster.builder() . addContactPoint ("localhost")//Set the connection point for the DataStax Enterprise server .build(); GraphOptions graphOptions = DseGraph.graphOptions() . setGraphName ("myGraph")//Set the name of the graph .create(); DseGraph graph = DseGraph.traversal(dseCluster.connect(), graphOptions); 3. Insert, modify, query, and delete data: You can use graph objects to perform insert, modify, query, and delete operations. Here are some example actions: import org.apache.tinkerpop.gremlin.structure.Vertex; import org.apache.tinkerpop.gremlin.structure.Element; //Insert a vertex Vertex vertex = graph.addV("person") .property("name", "John Doe") .property("age", 30) .next(); //Modifying Vertex Properties graph.V(vertex).property("age", 35).next(); //Query the attributes of vertices String name = graph.V(vertex).values("name").next(); //Delete Vertex graph.V(vertex).drop().iterate(); This is a basic example where more complex Gremlin query statements and operations can be used according to specific needs. Please note that the above code is only an example, and the actual situation may vary. Ensure that the correct connection parameters are set in practical applications and use appropriate Gremlin statements as needed.