@PostConstruct
public void init() {
Collection<ICustomerContext> customers = customerContextHolder.getCustomerContexts();
for (ICustomerContext customerContext : customers) {
try {
DataSource dataSource = configurableDataSourceFactory.createDataSource(customerContext);
resolvedDataSources.put(customerContext.getCustomerId(), dataSource);
} catch (Exception e) {
logger.error(
"Unable to create DataSource for customer [" + customerContext.getCustomerId() + "]",
e);
}
}
}
protected DataSource resolveSpecifiedDataSource(ICustomerContext customerContext)
throws IllegalArgumentException {
try {
DataSource dataSource = null;
synchronized (customerContext) {
dataSource = configurableDataSourceFactory.createDataSource(customerContext);
this.resolvedDataSources.put(customerContext.getCustomerId(), dataSource);
}
return dataSource;
} catch (Exception e) {
String msg =
"Unable to create DataSource for customer [" + customerContext.getCustomerId() + "]";
logger.error(msg, e);
throw new IllegalArgumentException(msg, e);
}
}
protected DataSource determineTargetDataSource() {
ICustomerContext customerContext = determineCurrentLookupKey();
Long lookupKey = customerContext.getCustomerId();
DataSource dataSource = this.resolvedDataSources.get(lookupKey);
if (dataSource == null) {
dataSource = resolveSpecifiedDataSource(customerContext);
}
if (dataSource == null) {
String msg = "Cannot determine target DataSource for customer [" + lookupKey + "]";
logger.error(msg);
throw new IllegalStateException(msg);
}
return dataSource;
}