public List getInstancesById()

in eureka-core/src/main/java/com/netflix/eureka/registry/AbstractInstanceRegistry.java [1074:1107]

• 30 lines of code
• 12 McCabe index (conditional complexity)

    public List<InstanceInfo> getInstancesById(String id, boolean includeRemoteRegions) {
        List<InstanceInfo> list = new ArrayList<>();

        for (Iterator<Entry<String, Map<String, Lease<InstanceInfo>>>> iter =
                     registry.entrySet().iterator(); iter.hasNext(); ) {

            Map<String, Lease<InstanceInfo>> leaseMap = iter.next().getValue();
            if (leaseMap != null) {
                Lease<InstanceInfo> lease = leaseMap.get(id);

                if (lease == null || (isLeaseExpirationEnabled() && lease.isExpired())) {
                    continue;
                }

                if (list == Collections.EMPTY_LIST) {
                    list = new ArrayList<>();
                }
                list.add(decorateInstanceInfo(lease));
            }
        }
        if (list.isEmpty() && includeRemoteRegions) {
            for (RemoteRegionRegistry remoteRegistry : this.regionNameVSRemoteRegistry.values()) {
                for (Application application : remoteRegistry.getApplications()
                        .getRegisteredApplications()) {
                    InstanceInfo instanceInfo = application.getByInstanceId(id);
                    if (instanceInfo != null) {
                        list.add(instanceInfo);
                        return list;
                    }
                }
            }
        }
        return list;
    }