/**
* Sets the parameters on the {@link java.sql.PreparedStatement} based on the values in the given
* {@link Aggregate}.
*
* @param aggregate The {@link Aggregate} whose values will be set on the corresponding {@link
* java.sql.PreparedStatement}.
*/
private void setStatementParameters(Aggregate aggregate) {
EventKey eventKey = aggregate.getEventKey();
int ddID = eventKey.getDimensionDescriptorID();
int aggID = eventKey.getAggregatorID();
FieldsDescriptor keyFD = schema.getDimensionsDescriptorIDToKeyDescriptor().get(ddID);
FieldsDescriptor aggFD =
schema
.getDimensionsDescriptorIDToAggregatorIDToOutputAggregatorDescriptor()
.get(ddID)
.get(aggID);
GPOMutable key = eventKey.getKey();
key.setFieldDescriptor(keyFD);
GPOMutable value = aggregate.getAggregates();
value.setFieldDescriptor(aggFD);
int qCounter = 1;
PreparedStatement ps = ddIDToAggIDToStatement.get(ddID).get(aggID);
try {
qCounter = setParams(ps, key, qCounter, true);
setParams(ps, value, qCounter, false);
ps.addBatch();
} catch (SQLException ex) {
throw new RuntimeException(ex);
}
}
@Override
public void setup(Context.OperatorContext context) {
super.setup(context);
LOG.info("Done setting up super");
aggregatorRegistry.setup();
// Create prepared statements
schema = new DimensionalConfigurationSchema(eventSchema, aggregatorRegistry);
List<FieldsDescriptor> keyFDs = schema.getDimensionsDescriptorIDToKeyDescriptor();
for (int ddID = 0; ddID < keyFDs.size(); ddID++) {
LOG.info("ddID {}", ddID);
FieldsDescriptor keyFD = keyFDs.get(ddID);
Int2ObjectMap<FieldsDescriptor> aggIDToAggFD =
schema.getDimensionsDescriptorIDToAggregatorIDToOutputAggregatorDescriptor().get(ddID);
Map<Integer, PreparedStatement> aggIDToStatement = ddIDToAggIDToStatement.get(ddID);
if (aggIDToStatement == null) {
aggIDToStatement = Maps.newHashMap();
ddIDToAggIDToStatement.put(ddID, aggIDToStatement);
}
for (Map.Entry<String, String> aggTable : tableNames.get(ddID).entrySet()) {
int aggID = aggregatorRegistry.getIncrementalAggregatorNameToID().get(aggTable.getKey());
LOG.info("aggID {}", aggID);
FieldsDescriptor aggFD = aggIDToAggFD.get(aggID);
List<String> keyNames = keyFD.getFieldList();
keyNames.remove(DimensionsDescriptor.DIMENSION_TIME_BUCKET);
List<String> aggregateNames = aggFD.getFieldList();
String tableName = aggTable.getValue();
String statementString = buildStatement(tableName, keyNames, aggregateNames);
try {
aggIDToStatement.put(aggID, store.getConnection().prepareStatement(statementString));
} catch (SQLException ex) {
throw new RuntimeException(ex);
}
}
}
}
