THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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/** * Snapshot lifecycle listener. */ public interface SnapshotLifecycleListener<T extends Serializable> extends Extension { /** Listener invocation priority (ascending order is used). */ public default int priority() { return 0; } /** * Called locally after the snapshot files have been created on the node. * * @param name Snapshot name. * @param metadata Snapshot metadata file. * @param binaryDir Snapshot binary metadata directory. * @param marshallerDir Snapshot marshaller data directory. * @param cacheDir Snapshot cache data directory. * @throws IgniteCheckedException If failed. */ public default public default void afterCreate( String name, File metadata, Path binaryDir, Path marshallerDir, Path cacheDir ) throws IgniteCheckedException { // No-op. } /** * Called locally before restore snapshot files. * * * @param name Snapshot name. * @param grps Cache groups to be restored ({@code null} if all cache groups are restored from the snapshot). * @param metadata Snapshot metadata file. * @param binaryDir Snapshot binary metadata directory. * @param marshallerDir Snapshot marshaller data directory. * @param cacheDir Snapshot cache data directory. * * @return Local node result, or {@code null} if cluster-wide aggregation is not required. * @throws IgniteCheckedException If failed. */ @Nullable public default T beforeRestore( String name, @Nullable Collection<String> grps, File metadata, Path binaryDir, Path marshallerDir, Path cacheDir ) throws IgniteCheckedException { return null; } /** * Process the results of a pre-restore operation across the cluster. * * @param name Snapshot name. * @param grps Cache groups to be restored ({@code null} if all cache groups are restored from the snapshot). * @param res Results from all nodes. * @param errs Errors from all nodes. * @throws IgniteCheckedException If failed. */ public default void handlePreRestoreResults( String name, @Nullable Collection<String> grps, Collection<String> grps, Map<ClusterNode, T> res, Map<ClusterNode, Exception> errs ) throws IgniteCheckedException { Map.Entry<ClusterNode, Exception> errEntry = F.first(errs.entrySet()); if (errEntry == null) return; throw new IgniteCheckedException("Snapshot restore handler " + getClass().getSimpleName() + " has failed on node " + errEntry.getKey().id() + '.', errEntry.getValue()); } } |
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