/**
* set a node attribute
*
* @param objectID unique ID of the JEVisObject on the Server.
* @param attributeName unique name of the Attribute under this Object
* @param value and its value
*/
public static void writeToJEVis(long objectID, String attributeName, Object value) {
try {
// Check if the connection is still alive. An JEVisException will be
// thrown if you use one of the functions and the connection is lost
if (jevis.isConnectionAlive()) {
// Get the JEVisObject with the given ID. You can get the uniqe
// ID with the help of JEConfig.
if (jevis.getObject(objectID) != null) {
JEVisObject myObject = jevis.getObject(objectID);
Logger.getLogger(WiotechStructureCreator.class.getName())
.log(Level.INFO, "JEVisObject: " + myObject);
// Get the JEVisAttribute by its unique identifier.
if (myObject.getAttribute(attributeName) != null) {
JEVisAttribute attribute = myObject.getAttribute(attributeName);
Logger.getLogger(WiotechStructureCreator.class.getName())
.log(Level.INFO, "JEVisAttribute: " + attribute);
DateTime timestamp = DateTime.now();
// Now we let the Attribute creates an JEVisSample,an JEVisSample allways need an
// Timestamp and an value.
JEVisSample newSample =
attribute.buildSample(timestamp, value, "This is an note, imported via SysReader");
// Until now we created the sample only localy and we have to commit it to the JEVis
// Server.
newSample.commit();
// TODO: we need an example for attribute.addSamples(listOfSamples); function. This
// function allows to commit a bunch of sample at once
} else {
Logger.getLogger(WiotechStructureCreator.class.getName())
.log(Level.SEVERE, "Could not found the Attribute with the name:" + attributeName);
}
} else {
Logger.getLogger(WiotechStructureCreator.class.getName())
.log(Level.SEVERE, "Could not found the Object with the id:" + objectID);
}
} else {
Logger.getLogger(WiotechStructureCreator.class.getName())
.log(Level.SEVERE, "Connection to the JEVisServer is not alive");
// TODO: the programm could now retry to connect,
// We dont have to do the isConnectionAlive() but use the JEVisException to handle this
// problem.
}
} catch (JEVisException ex) {
Logger.getLogger(WiotechStructureCreator.class.getName()).log(Level.SEVERE, null, ex);
}
}
/**
* Creates the needed JEVis structure
*
* @param buildingId building node id, where the structure has to be created
* <p>TODO Enable mysql server TODO Add units
*/
public void createStructure(long buildingId) {
ObjectAndBoolean dsd =
createObjectCheckNameExistance(
buildingId, "Data Source Directory", "Data Source Directory");
ObjectAndBoolean mysqlServer =
createObjectCheckNameExistance(
dsd.getJEVisObject().getID(), "MySQL Server", "MySQL Server");
if (mysqlServer.isNew) {
long id = mysqlServer.getJEVisObject().getID();
writeToJEVis(id, "Schema", _schema);
writeToJEVis(id, "User", _dbUser);
writeToJEVis(id, "Port", _port);
writeToJEVis(id, "Host", _host);
writeToJEVis(id, "Password", _dbPW);
writeToJEVis(id, "Enabled", true);
}
ObjectAndBoolean dataDirectory =
createObjectCheckNameExistance(buildingId, "Data Directory", "Data Directory");
for (Sensor sensor : _result) {
ObjectAndBoolean sqlChannelDir =
createObjectCheckNameExistance(
mysqlServer.getJEVisObject().getID(),
"SQL Channel Directory",
sensor.getName() + "_" + sensor.getSymbol());
ObjectAndBoolean channel =
createObjectCheckNameExistance(
sqlChannelDir.getJEVisObject().getID(), "SQL Channel", "SQL Channel");
if (channel.isNew) {
long id = channel.getJEVisObject().getID();
writeToJEVis(id, "Column Timestamp", "time");
writeToJEVis(id, "Column Value", "value");
writeToJEVis(id, "Table", sensor.getTable());
writeToJEVis(id, "Timestamp Format", "yyyy-MM-dd HH:mm:ss.s");
}
ObjectAndBoolean sqlDPD =
createObjectCheckNameExistance(
channel.getJEVisObject().getID(), "SQL Data Point Directory", "DPD");
ObjectAndBoolean sqlDP =
createObjectCheckNameExistance(sqlDPD.getJEVisObject().getID(), "SQL Data Point", "DP");
ObjectAndBoolean device =
createObjectCheckNameExistance(
dataDirectory.getJEVisObject().getID(), "Device", sensor.getName());
if (device.isNew) {
long id = device.getJEVisObject().getID();
writeToJEVis(id, "MAC", sensor.getName());
}
ObjectAndBoolean data =
createObjectCheckNameExistance(
device.getJEVisObject().getID(), "Data", sensor.getSymbol());
try {
JEVisAttribute attributeValue = data.getJEVisObject().getAttribute("Value");
attributeValue.setDisplayUnit(
new JEVisUnitImp(Unit.valueOf(sensor.getUnit()), "", JEVisUnit.Prefix.NONE));
attributeValue.setInputUnit(
new JEVisUnitImp(Unit.valueOf(sensor.getUnit()), "", JEVisUnit.Prefix.NONE));
attributeValue.commit();
} catch (JEVisException ex) {
Logger.getLogger(WiotechStructureCreator.class.getName()).log(Level.SEVERE, null, ex);
}
if (data.isNew) {
writeToJEVis(
sqlDP.getJEVisObject().getID(), "Target", data.getJEVisObject().getID().toString());
}
}
}