Github user joewitt commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1478#discussion_r100959147
--- Diff:
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/persistence/FlowConfigurationDAO.java
---
@@ -25,11 +25,41 @@
import org.apache.nifi.controller.UninheritableFlowException;
import org.apache.nifi.controller.serialization.FlowSerializationException;
import
org.apache.nifi.controller.serialization.FlowSynchronizationException;
+import org.apache.nifi.encrypt.StringEncryptor;
+import org.apache.nifi.util.NiFiProperties;
/**
* Interface to define service methods for FlowController configuration.
*/
public interface FlowConfigurationDAO {
+ /**
+ * Performs any initialization needed. This should be called only by
the
+ * framework.
+ * @param encryptor protected property encryptor/decryptor
+ * @param nifiProperties collection of NiFi properties
+ * @throws IOException thrown if Flow Configuration fails to initialize
+ */
+ void initialize(StringEncryptor encryptor, NiFiProperties
nifiProperties) throws IOException;
+
+ /**
+ * Locks the Flow to prevent cross-thread Writeing
+ */
+ void writeProtectFlow();
+
+ /**
+ * Unlocks a Write locked flow
+ */
+ void unWriteProtectFlow();
+
+ /**
+ * Locks the Flow to prevent cross-thread Writeing
+ */
+ void readProtectFlow();
--- End diff --
copy/paste error on the read/unread protection javadocs.
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