/**
* Creates a new DbManager which manages access to the underlying persistency layer(s).
* Instantiates the underlying storage system to use.
*
* @param server The Restlet server instance.
*/
public DbManager(Server server) {
// Defaults to: "org.hackystat.sensorbase.db.derby.DerbyImplementation"
String dbClassName = server.getServerProperties().get(DB_IMPL_KEY);
Class<?> dbClass = null;
// First, try to find the class specified in the sensorbase.properties file (or the default)
try {
dbClass = Class.forName(dbClassName);
} catch (ClassNotFoundException e) {
String msg = "DB error instantiating " + dbClassName + ". Could not find this class.";
server.getLogger().warning(msg + "\n" + StackTrace.toString(e));
throw new IllegalArgumentException(e);
}
// Next, try to find a constructor that accepts a Server as its parameter.
Class<?>[] constructorParam = {org.itu.thesis.server.Server.class};
Constructor<?> dbConstructor = null;
try {
dbConstructor = dbClass.getConstructor(constructorParam);
} catch (Exception e) {
String msg = "DB error instantiating " + dbClassName + ". Could not find Constructor(server)";
server.getLogger().warning(msg + "\n" + StackTrace.toString(e));
throw new IllegalArgumentException(e);
}
// Next, try to create an instance of DbImplementation from the Constructor.
Object[] serverArg = {server};
try {
this.dbImpl = (DbImplementation) dbConstructor.newInstance(serverArg);
} catch (Exception e) {
String msg = "DB error instantiating " + dbClassName + ". Could not create instance.";
server.getLogger().warning(msg + "\n" + StackTrace.toString(e));
throw new IllegalArgumentException(e);
}
this.dbImpl.initialize();
}
/**
* Used by the SdtSummary link to indicate how the model should be updated.
*
* @param sdtName The sdtName.
* @param tool The tool.
* @param start The start time.
*/
public void setSensorDataDetailsProvider(String sdtName, String tool, long start) {
detailsList.clear();
SensorBaseClient client = ProjectBrowserSession.get().getSensorBaseClient();
SensorDataSession session = ProjectBrowserSession.get().getSensorDataSession();
String projectName = session.getProject().getName();
String owner = session.getProject().getOwner();
XMLGregorianCalendar startTime = Tstamp.makeTimestamp(start);
XMLGregorianCalendar endTime = Tstamp.incrementDays(startTime, 1);
try {
SensorDataIndex index =
client.getProjectSensorData(owner, projectName, startTime, endTime, sdtName, tool);
for (SensorDataRef ref : index.getSensorDataRef()) {
detailsList.add(new SensorDataDetails(ref));
}
} catch (Exception e) {
System.out.println("Error getting sensor data: " + StackTrace.toString(e));
}
}