[incubator-iotdb] 02/02: add a simple connection pool for session api

[hx...@apache.org]

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hxd pushed a commit to branch simple_pool
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb.git

commit 779dd275acd330bcc9cbf4393109cb77b5ee23a0
Author: xiangdong huang <sa...@gmail.com>
AuthorDate: Wed Mar 4 01:54:09 2020 +0800

    add a simple connection pool for session api
---
 session/src/main/java/org/apache/iotdb/session/pool/SessionPool.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/session/src/main/java/org/apache/iotdb/session/pool/SessionPool.java b/session/src/main/java/org/apache/iotdb/session/pool/SessionPool.java
index 5956dfe..c2218fc 100644
--- a/session/src/main/java/org/apache/iotdb/session/pool/SessionPool.java
+++ b/session/src/main/java/org/apache/iotdb/session/pool/SessionPool.java
@@ -93,6 +93,7 @@ public class SessionPool {
   private int fetchSize;
 
   //if this method throws an exception, either the server is broken, or the ip/port/user/password is incorrect.
+  //TODO: we can add a mechanism that if the user waits too long time, throw exception.
   private Session getSession() throws IoTDBSessionException {
     Session session = queue.poll();
     if (session != null) {