danny0405 commented on code in PR #13616:
URL: https://github.com/apache/hudi/pull/13616#discussion_r2229846090
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hudi-common/src/main/java/org/apache/hudi/common/util/ConfigUtils.java:
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@@ -642,4 +642,42 @@ public static HoodieConfig
getReaderConfigs(StorageConfiguration<?> storageConf)
public static TypedProperties loadGlobalProperties() {
return ((PropertiesConfig)
ReflectionUtils.loadClass("org.apache.hudi.common.config.DFSPropertiesConfiguration")).getGlobalProperties();
}
+
+ /**
+ * Extract all properties whose keys start with a given prefix.
+ * E.g., if the prefix is "a.b.c", and the props contain:
+ * "a.b.c.K1=V1", "a.b.c.K2=V2", "a.b.c.K3=V3".
+ * Then the output is:
+ * Map(K1->V1, K2->V2, K3->V3).
+ */
+ public static Map<String, String> extractWithPrefix(TypedProperties props,
String prefix) {
+ if (props == null || props.isEmpty()) {
+ return new HashMap<>();
Review Comment:
Collections.emptyMap() ?
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