/** Read all PeMS data in the given time range at the given VDS. */
public PeMSProfile read(Interval interval, Long vdsId) throws DatabaseException {
PeMSProfile profile;
String pemsIdStr = "pems.{vds_id=" + vdsId + ", interval=" + interval + "}";
long timeBegin = System.nanoTime();
try {
dbr.transactionBegin();
Monitor.debug("PeMS reader transaction beginning on " + pemsIdStr);
profile = readProfile(interval, vdsId);
dbr.transactionCommit();
Monitor.debug("PeMS reader transaction committing on " + pemsIdStr);
} catch (DatabaseException dbExc) {
Monitor.err(dbExc);
throw dbExc;
} finally {
try {
dbr.transactionRollback();
Monitor.debug("PeMS reader transaction rollback on " + pemsIdStr);
} catch (Exception Exc) {
// Do nothing.
}
}
long timeCommit = System.nanoTime();
if (profile != null) {
Monitor.duration("Read " + pemsIdStr, timeCommit - timeBegin);
}
return profile;
}
/**
* Read one node with the given ID from the database.
*
* @param nodeID ID of the node in the database
* @param networkID ID of the network
* @return Node
*/
public Node read(long nodeID, long networkID) throws DatabaseException {
Node node;
String nodeIdStr = "node.{id=" + nodeID + ", network_id=" + networkID + "}";
long timeBegin = System.nanoTime();
try {
dbr.transactionBegin();
Monitor.debug("Node reader transaction beginning on " + nodeIdStr);
node = readWithAssociates(nodeID, networkID);
dbr.transactionCommit();
Monitor.debug("Node reader transaction committing on " + nodeIdStr);
} catch (DatabaseException dbExc) {
Monitor.err(dbExc);
throw dbExc;
} finally {
try {
dbr.transactionRollback();
Monitor.debug("Node reader transaction rollback on " + nodeIdStr);
} catch (Exception Exc) {
// Do nothing.
}
}
long timeCommit = System.nanoTime();
if (node != null) {
Monitor.duration("Read " + nodeIdStr, timeCommit - timeBegin);
}
return node;
}
/**
* Read all PeMS aggregate data in the given time range, having a VDS ID in the given list, and at
* the given aggregation level. List is sorted by time.
*/
public List<PeMSStationAggregate> read(
Interval interval, List<Long> vdsIds, PeMSAggregate.AggregationLevel level)
throws DatabaseException {
List<PeMSStationAggregate> list;
String pemsIdStr =
"pems.{vds_id=["
+ vdsIds.get(0)
+ ","
+ vdsIds.get(1)
+ ",...], interval="
+ interval
+ ", level="
+ level
+ "}";
long timeBegin = System.nanoTime();
try {
dbr.transactionBegin();
Monitor.debug("PeMS aggregate reader transaction beginning on " + pemsIdStr);
list = readList(interval, vdsIds, level);
dbr.transactionCommit();
Monitor.debug("PeMS aggregate reader transaction committing on " + pemsIdStr);
} catch (DatabaseException dbExc) {
Monitor.err(dbExc);
throw dbExc;
} finally {
try {
dbr.transactionRollback();
Monitor.debug("PeMS aggregate reader transaction rollback on " + pemsIdStr);
} catch (Exception Exc) {
// Do nothing.
}
}
long timeCommit = System.nanoTime();
if (list != null) {
Monitor.duration("Read " + pemsIdStr, timeCommit - timeBegin);
}
return list;
}
/** Read all PeMS data in the given time range and having a VDS ID in the given list. */
public PeMSSet read(Interval interval, List<Long> vdsIds) throws DatabaseException {
PeMSSet set = null;
String pemsIdStr =
"pems.{vds_id=["
+ vdsIds.get(0)
+ ","
+ vdsIds.get(1)
+ ",...], interval="
+ interval
+ "}";
long timeBegin = System.nanoTime();
try {
dbr.transactionBegin();
Monitor.debug("PeMS reader transaction beginning on " + pemsIdStr);
set = readSet(interval, vdsIds);
dbr.transactionCommit();
Monitor.debug("PeMS reader transaction committing on " + pemsIdStr);
} catch (DatabaseException dbExc) {
Monitor.err(dbExc);
throw dbExc;
} finally {
try {
dbr.transactionRollback();
Monitor.debug("PeMS reader transaction rollback on " + pemsIdStr);
} catch (Exception Exc) {
// Do nothing.
}
}
long timeCommit = System.nanoTime();
if (set != null) {
Monitor.duration("Read " + pemsIdStr, timeCommit - timeBegin);
}
return set;
}