frodovdr/node-red-nodes
1
0
Fork 0
mirror of https://github.com/node-red/node-red-nodes.git synced 2025-03-01 10:37:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add xmpp, suncalc and leveldb as npms...

Browse Source
This commit is contained in:
Dave C-J
2014-07-06 20:58:52 +01:00
parent dac2c7e778
commit 647fe4f5d8
9 changed files with 698 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
storage/leveldb/README.md Normal file
View File

@@ -0,0 +1,26 @@
node-red-node-leveldb
=====================
A <a href="http://nodered.org" target="_new">Node-RED</a> node to read and write to a LevelDB database.
Install
-------
Run the following command in the root directory of your Node-RED install
npm install node-red-node-leveldb
Usage
-----
Allows basic access to a LevelDB database.
Uses <a href="https://code.google.com/p/leveldb/" target="_new"><i>LevelDB</i></a> for a simple key value pair database.
There are two node to choose from...
Use one node to either <b>put</b> (store) the <b>msg.payload</b> to the named database file, using <b>msg.topic</b> as the key, or to <b>delete</b> information select delete in the properties dialogue and again use <b>msg.topic</b> as the key.</b>.
Use the other node to <b>get</b>, or retrieve the data already saved in the database.
Again use <b>msg.topic</b> to hold the <i>key</i> for the database, and the result is returned in <b>msg.payload</b>. If nothing is found for the key then <i>null</i> is returned.