for (String file : _physicalSrcConfigFiles) {
LOG.info("processing file: " + file);
File sourcesJson = new File(file);
PhysicalSourceConfig pConfig = mapper.readValue(sourcesJson, PhysicalSourceConfig.class);
pConfig.checkForNulls();
_pStaticConfigs[i] = pConfig.build();
// Register all sources with the static config
//TODO why do we need this?
for (LogicalSourceConfig lsc : pConfig.getSources()) {
_relayConfigBuilder.setSourceName(Short.toString(lsc.getId()), lsc.getName());