UltipaConfiguration

UltipaConfiguration defines the information of server needed when connecting to an Ultipa graph database.

Example: Create a server connection, use graphset 'default' when configuring the server, and use 'amz' when instantiating UltipaClientDriver

public class Main {
    public static void main(String[] args) {
        UltipaConfiguration configuration = UltipaConfiguration.config()
                .hosts("192.168.1.85:60061,192.168.1.86:60061,192.168.1.87:60061")
                .username("***")
                .password("***");

        try {
            UltipaClientDriver driver = new UltipaClientDriver(configuration);
            Connection conn = driver.getConnection("amz");

            String reply = conn.sayHello("Hi");
            System.out.println(reply);
        } finally {
            if (drive != null) {
                driver.close();
            }
        }
    }
}

PoolConfig

PoolConfig defines the information of Apache Common-Pool needed when connecting to an Ultipa graph database.

Example: Create a server connection, use graphset 'default' and configure the connection pool

public class Main {
    public static void main(String[] args) {
        UltipaConfiguration configuration = UltipaConfiguration.config()
                .hosts("192.168.1.85:60061,192.168.1.86:60061,192.168.1.87:60061")
                .username("***")
                .password("***");

        PoolConfig poolConfig = configuration.getPoolConfig();
        poolConfig.setMaxIdle(50);
        poolConfig.setMinIdle(2);
        poolConfig.setMaxTotal(200);

        try {
            UltipaClientDriver driver = new UltipaClientDriver(configuration);
            Connection conn = driver.getConnection();

            String reply = conn.sayHello("Hi");
            System.out.println(reply);
        } finally {
            if (drive != null) {
                driver.close();
            }
        }
    }
}

ultipa.properties

ultipa.properties is a configuration file that stores the information of server and connection pool, needed when connecting to an Ultipa graph database.

ultipa.properties should be placed under the 'classpath' of Java project, which is by default './src/main/resources'

When ultipa.properties is provided while UltipaClientDriver is instantiated using UltipaConfiguration:

• server configurations in the ultipa.properties will take precedence over those defined by UltipaConfiguration;
• connection pool configurations defined by PoolConfig will be ignored, and only those in the ultipa.properties will be considered.

Example: Create a server connection using configuration file

ultipa.hosts=192.168.1.85:60061,192.168.1.86:60061,192.168.1.87:60061
ultipa.username=root
ultipa.password=root
ultipa.defaultGraph=amz
# ultipa.crt=F:\\ultipa.crt
# ultipa.overrideAuthority=ultipa
ultipa.pool.maxIdle=50
ultipa.pool.minIdle=20
ultipa.pool.maxTotal=200
ultipa.pool.timeBetweenEvictionRunsMillis=3600000
ultipa.pool.testOnBorrow=true

public class Main {
    public static void main(String[] args) {
        try {
            UltipaClientDriver driver = new UltipaClientDriver();
            Connection conn = driver.getConnection();

            String reply = conn.sayHello("Hi");
            System.out.println(reply);
        } finally {
            if (drive != null) {
                driver.close();
            }
        }
    }
}

DataSource

DataSrouce defines the information of server and connection pool needed when connecting to an Ultipa graph database.

When ultipa.properties is provided while UltipaClientDriver is instantiated using DataSrouce:

• both server and connection pool configurations will be defined by DataSrouce, and the ultipa.properties will be ignored.

Example: Create a server connection using DataSource

public class Main {
    public static void main(String[] args) {
        UltipaConfiguration configuration = UltipaConfiguration.config()
                .hosts("192.168.1.85:60061,192.168.1.86:60061,192.168.1.87:60061")
                .username("***")
                .password("***");

        PoolConfig poolConfig = configuration.getPoolConfig();
        poolConfig.setMaxIdle(50);
        poolConfig.setMinIdle(2);
        poolConfig.setMaxTotal(200);

        DataSource dataSource = new DataSource();
        dataSource.setUltipaConfiguration(configuration);
        dataSource.setDefaultGraph("amz");

        try {
            UltipaClientDriver driver = new UltipaClientDriver(dataSource);
            Connection conn = driver.getConnection();

            String reply = conn.sayHello("Hi");
            System.out.println(reply);
        } finally {
            if (drive != null) {
                driver.close();
            }
        }
    }
}

RequestConfig

RequestConfig defines the information needed when sending non-insert type of requests to an Ultipa graph database.

Example: Create a server connection using graphset 'default', send a uql to graphset 'amz' and send the request to leader

public class Main {
    public static void main(String[] args) {
        UltipaConfiguration configuration = UltipaConfiguration.config()
                .hosts("192.168.1.85:60061,192.168.1.86:60061,192.168.1.87:60061")
                .username("***")
                .password("***");

        try {
            UltipaClientDriver driver = new UltipaClientDriver(configuration);
            Connection conn = driver.getConnection();

            String reply = conn.sayHello("Hi");
            System.out.println(reply);
        } finally {
            if (drive != null) {
                driver.close();
            }
        }

        RequestConfig requestConfig = new RequestConfig();
        requestConfig.setGraphName("amz");
        requestConfig.setUseMaster(true);
        
        Response res = conn.uql("find().nodes() as nodes return nodes{*} limit 10", requestConfig);
        List<Node> nodeList = res.alias("nodes").asNodes();
        for(int i = 0; i < nodeList.size(); i ++){
            System.out.println("node " + i + " is: " + nodeList.get(i).toJson());
        }
    }
}

InsertRequestConfig

InsertRequestConfig defines the information needed when sending insert type of requests to an Ultipa graph database.

Example: Create a server connection using graphset 'default', and insert nodes into graphset 'test' under overwrite mode

public class Main {
    public static void main(String[] args) {
        UltipaConfiguration configuration = UltipaConfiguration.config()
                .hosts("192.168.1.85:60061,192.168.1.86:60061,192.168.1.87:60061")
                .username("***")
                .password("***");

        try {
            UltipaClientDriver driver = new UltipaClientDriver(configuration);
            Connection conn = driver.getConnection();

            String reply = conn.sayHello("Hi");
            System.out.println(reply);
        } finally {
            if (drive != null) {
                driver.close();
            }
        }

        InsertRequestConfig insertRequestConfig = new InsertRequestConfig();
        insertRequestConfig.setGraphName("test");
        insertRequestConfig.setInsertType(Ultipa.InsertType.OVERWRITE);
        
        List<Node> nodeList = new ArrayList<>();
        Node node1 = new Node();
        node1.setSchema("client");
        node1.setID("CLIENT00001");
        nodeList.add(node1);
        Node node2 = new Node();
        node2.setSchema("card");
        node1.setID("CARD00004");
        nodeList.add(node2);
      
        conn.insertNodesBatchAuto(nodeList, insertRequestConfig);
    }
}