steffenvan commented on code in PR #1560:
URL: https://github.com/apache/jackrabbit-oak/pull/1560#discussion_r1657127391
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oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/IndexUtils.java:
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@@ -281,4 +287,35 @@ public static String getCaller(@Nullable String[]
ignoredJavaPackages) {
// if every element is ignored, we assume it's an internal request
return "(internal)";
}
+
+ /**
+ * Returns a Map consisting of checkpoints and checkpointInfoMap filtered
based on a given predicate
+ * which can utilise checkpoint info map for filtering
+ * @param store
+ * @param predicate predicate used for filtering of checkpoints
+ * @return Map<String, Map<String,String>> filteredCheckpoint Map
+ */
+ public static Map<String, Map<String,String>>
getFilteredCheckpoints(NodeStore store, Predicate<Map.Entry<String,
Map<String,String>>> predicate) {
+ return StreamSupport.stream(store.checkpoints().spliterator(), false)
+ .collect(Collectors.toMap(str -> str,
+ store::checkpointInfo))
+ .entrySet()
+ .stream()
+ .filter(predicate)
+ .collect(Collectors.toMap(Map.Entry::getKey,
Map.Entry::getValue));
+ }
+
+ /**
+ * Returns a map with checkpoint name as key and checkpoint metadata map
as value, sorted on the basis of particular key in the metadata map.
Review Comment:
could you rewrite what this could sort based on? Imo: `sorted on the basis
of particular key in the metadata map` isn't super clear. And an example would
be very helpful.
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