NebulaGraph Java Client v3.4.0

• feature

  • expose the sessionID and ping check function for Session #490
  • support to get all host addresses through domain name #491
  • support to check the connection's status when borrow and return it #503

• fix

  • fix to release the invalid session for SessionPool #499
  • fix the leader state for CANDIDATE meta role #502
  • replace the protocol with header protocol to avoid hanging for large query data #505

NebulaGraph Java Client v3.3.0

• feature

  • support SessionPool #474

• fix

  • fix the NebulaPool state for SessionWrapper when init Pool failed #483
  • update the close() for Connection Pool to idempotent #484

Nebula Java Client v3.0.0

• feature

  • enhance RoundRobinLoadBalancer to support fail fast for wrong graphd address and change server status to thread-safe #357
  • support domain address for meta client #403
  • update the implementation of ScanCursor according to server #398, #410
  • support parameterized statement execute #412
  • support duration data type #413
  • remove fastjson dependency in client package #430
  • add encode interface for orphan vertex key in encoder lib #433

• fix

  • release the transport when version verification failed #402

• incompatible

  • latency in ResultSet for graph client has different data type

Nebula Java Client v2.6.2

• fix
  • fix host validation to support domain name #438
  • release the transport when version verification failed #440

Nebula Java Client v2.6.1

• feature
  • support SSL for meta client #379
  • support SSL for storage client #379
  • support Geo Spatial encode #380

Nebula Java Client v2.6.0

• feature

  • support SSL for graph client #364
  • support return query result as JSON #358
  • support version verification for client and server #370
  • support Geo Spatial data type #371
  • make the MetaManager not singleton to allow users to close it manually when use MetaManager and StorageClient meanwhile.

• bugfix

  • fix encoder lib when encode null string value #366

• Note:

new version verification function changes getSession interface, which throws new ClientServerIncompatibleException.

Nebula Java Client v2.5.1

• bugfix
  • fix encoder lib when encoding null string value #372

Nebula Java Client v2.5.0

• feature
  • add TimeWrapper/DateTimeWrapper type to get timezone obtained from the server to calculate the local time
  • Session supports reconnecting to different graph services
  • add idletime and waittime of the NebulaPool
  • make the Session is thread-safe. However, multiple threads should not use the same session, it is inefficient.
  • add SessionsManager, the SessionManager manage all sessions in a specified space
• bugfix
  • fix the columnNames of ResultSet with null object #301
  • fix the interface toString of PathWrapper #327
  • fix the getConnection of NebulaPool the idle connection number is incorrect when the concurrency is high #319
  • fix fbthrift timeout bug #336
  • fix encoder lib when encoding Chinese value #308
  • fix encoder lib when column without string type #290
  • fix the MetaClient get lastest schema #316
  • fix the MetaClient get offline storage host #326
  • fix the StorageClient internal thread not exiting https://github.com/vesoft-inc/nebula-java/pull/311/files
• incompatible
  • the ErrorCode define is changed, the ErrorCode is defined in com.vesoft.nebula.ErrorCode

Nebula Graph Java Client v2.0.1

bugfix

• fix the columnNames of ResultSet with null object #301
• fix the interface toString of PathWrapper #327
• fix the getConnection of NebulaPool the idle connection number is incorrect when the concurrency is high #319
• fix encoder lib when encoding Chinese value #308
• fix encoder lib when column without string type #290
• fix the MetaClient get lastest schema #316
• fix the StorageClient internal thread not exiting #311

Nebula Graph Java Client v1.2.0

1. Add retry for meta client to send request only to leader.
2. Fix null response bug.