private Endpoint selectEndpoint(Set<Endpoint> endpointSet, String requesterIp) {
Endpoint selectedEndpoint = null;
if (endpointSet != null && !endpointSet.isEmpty()) {
// If there's a storm receiver/cep publisher in the same host as requester IP select it
if ("".equals(requesterIp) == false) {
for (Endpoint endpoint : endpointSet) {
if (endpoint.getHostName().equals(requesterIp)) {
selectedEndpoint = endpoint;
if (log.isDebugEnabled()) {
log.debug(
"Selecting"
+ endpoint.toString()
+ " since it's in the same host as the requester");
}
break;
}
}
}
// If there are no endpoints in the same host. Select the endpoint with lease number of
// connections
if (selectedEndpoint == null) {
int minConnectionCount = Integer.MAX_VALUE;
for (Endpoint endpoint : endpointSet) {
if (log.isDebugEnabled()) {
log.debug(
"Endpoint "
+ endpoint.toString()
+ " has "
+ endpoint.getConnectionCount()
+ " connections.");
}
if (endpoint.getConnectionCount() < minConnectionCount) {
minConnectionCount = endpoint.getConnectionCount();
selectedEndpoint = endpoint;
}
}
}
selectedEndpoint.setConnectionCount(selectedEndpoint.getConnectionCount() + 1);
}
return selectedEndpoint;
}
