private static Channel tryOtherApp()

in core/src/main/java/org/apache/seata/core/rpc/netty/ChannelManager.java [418:458]
37 lines of code
15 McCabe index (conditional complexity)

    private static Channel tryOtherApp(ConcurrentMap<String, ConcurrentMap<String, ConcurrentMap<Integer,
        RpcContext>>> applicationIdMap, String myApplicationId) {
        Channel chosenChannel = null;
        for (ConcurrentMap.Entry<String, ConcurrentMap<String, ConcurrentMap<Integer, RpcContext>>> applicationIdMapEntry : applicationIdMap
            .entrySet()) {
            if (!StringUtils.isNullOrEmpty(myApplicationId) && applicationIdMapEntry.getKey().equals(myApplicationId)) {
                continue;
            }

            ConcurrentMap<String, ConcurrentMap<Integer, RpcContext>> targetIPMap = applicationIdMapEntry.getValue();
            if (targetIPMap == null || targetIPMap.isEmpty()) {
                continue;
            }

            for (ConcurrentMap.Entry<String, ConcurrentMap<Integer, RpcContext>> targetIPMapEntry : targetIPMap
                .entrySet()) {
                ConcurrentMap<Integer, RpcContext> portMap = targetIPMapEntry.getValue();
                if (portMap == null || portMap.isEmpty()) {
                    continue;
                }

                for (ConcurrentMap.Entry<Integer, RpcContext> portMapEntry : portMap.entrySet()) {
                    Channel channel = portMapEntry.getValue().getChannel();
                    if (channel.isActive()) {
                        chosenChannel = channel;
                        break;
                    } else {
                        if (portMap.remove(portMapEntry.getKey(), portMapEntry.getValue())) {
                            if (LOGGER.isInfoEnabled()) {
                                LOGGER.info("Removed inactive {}", channel);
                            }
                        }
                    }
                }
                if (chosenChannel != null) { break; }
            }
            if (chosenChannel != null) { break; }
        }
        return chosenChannel;

    }