private Pair<Map<String, String>, Boolean /*true=needs to be set*/> findIndexConfig(
Class<? extends PropertyContainer> cls,
String indexName,
Map<String, String> suppliedConfig,
Map<?, ?> dbConfig) {
// Check stored config (has this index been created previously?)
Map<String, String> storedConfig = indexStore.get(cls, indexName);
if (storedConfig != null && suppliedConfig == null) {
// Fill in "provider" if not already filled in, backwards compatibility issue
Map<String, String> newConfig =
injectDefaultProviderIfMissing(cls, indexName, dbConfig, storedConfig);
if (newConfig != storedConfig) {
indexStore.set(cls, indexName, newConfig);
}
return Pair.of(newConfig, Boolean.FALSE);
}
Map<String, String> configToUse = suppliedConfig;
// Check db config properties for provider
String provider = null;
IndexImplementation indexProvider = null;
if (configToUse == null) {
provider = getDefaultProvider(indexName, dbConfig);
configToUse = MapUtil.stringMap(PROVIDER, provider);
} else {
provider = configToUse.get(PROVIDER);
provider = provider == null ? getDefaultProvider(indexName, dbConfig) : provider;
}
indexProvider = getIndexProvider(provider);
configToUse = indexProvider.fillInDefaults(configToUse);
configToUse = injectDefaultProviderIfMissing(cls, indexName, dbConfig, configToUse);
// Do they match (stored vs. supplied)?
if (storedConfig != null) {
assertConfigMatches(indexProvider, indexName, storedConfig, suppliedConfig);
// Fill in "provider" if not already filled in, backwards compatibility issue
Map<String, String> newConfig =
injectDefaultProviderIfMissing(cls, indexName, dbConfig, storedConfig);
if (newConfig != storedConfig) {
indexStore.set(cls, indexName, newConfig);
}
configToUse = newConfig;
}
boolean needsToBeSet = !indexStore.has(cls, indexName);
return Pair.of(Collections.unmodifiableMap(configToUse), needsToBeSet);
}
