@Override
public PeerItem onLocalInstance(int localPort) {
/*
* store information
*/
PeerItem item = new PeerItem();
item.networkName = NETWORK;
item.isMaster = true;
item.distributionStrategy = DISTRIBUTION.toString();
item.port = localPort;
item.useSubgraphSubmission = withSubgraphSubmission;
/*
* store configuration
*/
Map<String, Object> cfg =
P2P_QueryClient_Instanciator.getP2PImplementationConfiguration();
cfg.put(P2PNetworkCreator.P2PConfigurationConstants.cPORT, localPort);
cfg.remove(P2PNetworkCreator.P2PConfigurationConstants.cMASTER_IP);
cfg.remove(P2PNetworkCreator.P2PConfigurationConstants.cMASTER_PORT);
P2P_QueryClient_Instanciator.setP2PImplementationConfiguration(cfg);
P2P_QueryClient_Instanciator.setSubgraphSubmission(withSubgraphSubmission);
// create instance and store instance
QueryClient qC = createInstance();
item.queryEvaluator = qC;
return item;
}
@Override
public PeerItem onMasterInstance(int localPort, int masterPort, String masterAddress) {
// store information
PeerItem item = new PeerItem();
item.networkName = NETWORK;
item.isMaster = false;
item.masterName = masterAddress;
item.masterPort = masterPort;
item.distributionStrategy = DISTRIBUTION.toString();
item.port = localPort;
item.useSubgraphSubmission = withSubgraphSubmission;
// set ports and master
Map<String, Object> cfg =
P2P_QueryClient_Instanciator.getP2PImplementationConfiguration();
cfg.put(P2PNetworkCreator.P2PConfigurationConstants.cPORT, localPort);
cfg.put(P2PNetworkCreator.P2PConfigurationConstants.cMASTER_IP, masterAddress);
cfg.put(P2PNetworkCreator.P2PConfigurationConstants.cMASTER_PORT, masterPort);
P2P_QueryClient_Instanciator.setP2PImplementationConfiguration(cfg);
P2P_QueryClient_Instanciator.setSubgraphSubmission(withSubgraphSubmission);
// create instance and store instance
QueryClient qC = createInstance();
item.queryEvaluator = qC;
return item;
}
/**
* Returns an already running queryClient or starts a new one
*
* @return a new evaluator which can be used in LuposDate UI
*/
public QueryClient newInstance() {
try {
P2P_QueryClient_Instanciator.lock();
P2P_QueryClient_Instanciator.setP2PImplementationConstant(NETWORK);
/*should be configured before via UI? */
P2P_QueryClient_Instanciator.setP2PDistributionStrategy(DISTRIBUTION);
P2P_QueryClient_Instanciator.setSubgraphSubmission(withSubgraphSubmission);
/*
* ask which instance is to be used
*/
PeerItem instance = configurationUI.showDialog();
if (instance != null && instance.queryEvaluator != null) return instance.queryEvaluator;
return null;
} finally {
P2P_QueryClient_Instanciator.unlock();
}
}
private QueryClient createInstance() {
return P2P_QueryClient_Instanciator.newInstance();
}
