Examples with StateChangelogHandleReader org.apache.flink.runtime.state.changelog.StateChangelogHandleReader used on opensource projects

Example 1 with StateChangelogHandleReader

use of org.apache.flink.runtime.state.changelog.StateChangelogHandleReader in project flink by apache.

the class StateChangelogStorageTest method extract.

private Map<Integer, List<byte[]>> extract(T handle, StateChangelogHandleReader<T> reader) throws Exception {
    Map<Integer, List<byte[]>> changes = new HashMap<>();
    try (CloseableIterator<StateChange> it = reader.getChanges(handle)) {
        while (it.hasNext()) {
            StateChange change = it.next();
            changes.computeIfAbsent(change.getKeyGroup(), k -> new ArrayList<>()).add(change.getChange());
        }
    }
    return changes;
}