nodece commented on code in PR #19208:
URL: https://github.com/apache/pulsar/pull/19208#discussion_r1071869275
##########
pulsar-metadata/src/main/java/org/apache/pulsar/metadata/impl/MetadataStoreFactoryImpl.java:
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@@ -45,19 +63,39 @@ public static MetadataStoreExtended createExtended(String
metadataURL, MetadataS
private static MetadataStore newInstance(String metadataURL,
MetadataStoreConfig metadataStoreConfig,
boolean enableSessionWatcher)
throws MetadataStoreException {
+ MetadataStoreProvider provider = findProvider(metadataURL);
+ return provider.create(metadataURL, metadataStoreConfig,
enableSessionWatcher);
+ }
+
+ static void loadProviders() {
+ providers = new HashMap<>();
+ providers.put(MEMORY_SCHEME_IDENTIFIER, new
MemeoryMetadataStoreProvider());
+ providers.put(ROCKSDB_SCHEME_IDENTIFIER, new
RocksdbMetadataStoreProvider());
+ providers.put(ETCD_SCHEME_IDENTIFIER, new EtcdMetadataStoreProvider());
+ providers.put(ZK_SCHEME_IDENTIFIER, new ZkMetadataStoreProvider());
+
+ String factoryClasses =
System.getProperty(METADATASTORE_PROVIDERS_PROPERTY, "");
+
+ for (String className :
Splitter.on(',').trimResults().omitEmptyStrings().split(factoryClasses)) {
+ try {
+ Class<? extends MetadataStoreProvider> clazz =
+ (Class<? extends MetadataStoreProvider>)
Class.forName(className);
+ MetadataStoreProvider provider =
clazz.getConstructor().newInstance();
+ String scheme = provider.urlScheme();
+ providers.put(scheme + ":", provider);
Review Comment:
Just use the schema as the key.
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