+
+ @Override
+ public Collection<String> getUniqueMemberNamesForAllShards() {
+ Set<String> allNames = new HashSet<>();
+ for(List<String> l: shardMembers.values()) {
+ allNames.addAll(l);
+ }
+
+ return allNames;
+ }
+
+ @Override
+ public ShardStrategy getStrategyForModule(String moduleName) {
+ return null;
+ }
+
+ @Override
+ public void addModuleShardConfiguration(ModuleShardConfiguration config) {
+ }
+
+ @Override
+ public boolean isShardConfigured(String shardName) {
+ return (shardMembers.containsKey(shardName));
+ }
+
+ @Override
+ public void addMemberReplicaForShard (String shardName, String newMemberName) {
+ Map<String, List<String>> newShardMembers = new HashMap<>(shardMembers);
+ for(Map.Entry<String, List<String>> shard : newShardMembers.entrySet()) {
+ if (shard.getKey().equals(shardName)) {
+ List<String> replicas = new ArrayList<>(shard.getValue());
+ replicas.add(newMemberName);
+ shard.setValue(replicas);
+ shardMembers = ImmutableMap.<String, List<String>>builder().putAll(newShardMembers).build();
+ }
+ }
+ }
+
+ @Override
+ public void removeMemberReplicaForShard (String shardName, String newMemberName) {
+ Map<String, List<String>> newShardMembers = new HashMap<>(shardMembers);
+ for(Map.Entry<String, List<String>> shard : newShardMembers.entrySet()) {
+ if (shard.getKey().equals(shardName)) {
+ List<String> replicas = new ArrayList<>(shard.getValue());
+ replicas.remove(newMemberName);
+ shard.setValue(replicas);
+ shardMembers = ImmutableMap.<String, List<String>>builder().putAll(newShardMembers).build();
+ }
+ }
+ }