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Posted to commits@nifi.apache.org by ma...@apache.org on 2015/11/02 20:32:24 UTC

[27/50] [abbrv] nifi git commit: NIFI-986 Refactoring of action classes from nifi-user-actions to have interfaces in nifi-api, and adding getFlowChanges to EventAccess - Fixing empty java docs and adding sort by id asc to the history query - Changing use

NIFI-986 Refactoring of action classes from nifi-user-actions to have interfaces in nifi-api, and adding getFlowChanges to EventAccess
- Fixing empty java docs and adding sort by id asc to the history query
- Changing userDn to userIdentity in Action and FlowChangeAction
- Modifying NiFiAuditor to always save events locally, and implementing getFlowChanges for ClusteredEventAccess


Project: http://git-wip-us.apache.org/repos/asf/nifi/repo
Commit: http://git-wip-us.apache.org/repos/asf/nifi/commit/5cc2b04b
Tree: http://git-wip-us.apache.org/repos/asf/nifi/tree/5cc2b04b
Diff: http://git-wip-us.apache.org/repos/asf/nifi/diff/5cc2b04b

Branch: refs/heads/NIFI-730
Commit: 5cc2b04b918a0a3c76c0f1d71c7a416d0dce3f39
Parents: c4f0cb1
Author: Bryan Bende <bb...@apache.org>
Authored: Fri Sep 25 13:35:57 2015 -0400
Committer: Bryan Bende <bb...@apache.org>
Committed: Thu Oct 29 16:28:36 2015 -0400

----------------------------------------------------------------------
 .../java/org/apache/nifi/action/Action.java     |  50 +++++++
 .../java/org/apache/nifi/action/Component.java  |  34 +++++
 .../java/org/apache/nifi/action/Operation.java  |  37 +++++
 .../component/details/ComponentDetails.java     |  26 ++++
 .../component/details/ExtensionDetails.java     |  26 ++++
 .../details/RemoteProcessGroupDetails.java      |  26 ++++
 .../nifi/action/details/ActionDetails.java      |  26 ++++
 .../nifi/action/details/ConfigureDetails.java   |  30 ++++
 .../nifi/action/details/ConnectDetails.java     |  40 ++++++
 .../apache/nifi/action/details/MoveDetails.java |  30 ++++
 .../nifi/action/details/PurgeDetails.java       |  28 ++++
 .../org/apache/nifi/reporting/EventAccess.java  |  13 ++
 .../org/apache/nifi/util/MockEventAccess.java   |  27 ++++
 .../org/apache/nifi/admin/dao/ActionDAO.java    |  12 +-
 .../java/org/apache/nifi/admin/dao/UserDAO.java |   3 +-
 .../nifi/admin/dao/impl/StandardActionDAO.java  |  93 ++++++++-----
 .../nifi/admin/dao/impl/StandardUserDAO.java    |   4 +-
 .../apache/nifi/admin/service/AuditService.java |  18 ++-
 .../admin/service/action/AddActionsAction.java  |   3 +-
 .../service/action/PurgeActionsAction.java      |   3 +-
 .../service/impl/StandardAuditService.java      |  24 +++-
 .../resources/nifi-administration-context.xml   |   2 +-
 .../manager/impl/ClusteredEventAccess.java      |  21 ++-
 .../cluster/manager/impl/WebClusterManager.java |   2 +-
 .../apache/nifi/controller/FlowController.java  | 136 ++++++++++---------
 .../nifi/spring/FlowControllerFactoryBean.java  |   8 ++
 .../src/main/resources/nifi-context.xml         |   1 +
 .../controller/StandardFlowServiceTest.java     |   5 +-
 .../nifi-framework/nifi-user-actions/pom.xml    |   7 +
 .../java/org/apache/nifi/action/Action.java     | 121 -----------------
 .../java/org/apache/nifi/action/Component.java  |  34 -----
 .../apache/nifi/action/FlowChangeAction.java    | 130 ++++++++++++++++++
 .../java/org/apache/nifi/action/Operation.java  |  37 -----
 .../component/details/ComponentDetails.java     |  26 ----
 .../component/details/ExtensionDetails.java     |  34 -----
 .../details/FlowChangeExtensionDetails.java     |  35 +++++
 .../FlowChangeRemoteProcessGroupDetails.java    |  35 +++++
 .../details/RemoteProcessGroupDetails.java      |  34 -----
 .../nifi/action/details/ActionDetails.java      |  26 ----
 .../nifi/action/details/ConfigureDetails.java   |  52 -------
 .../nifi/action/details/ConnectDetails.java     |  90 ------------
 .../details/FlowChangeConfigureDetails.java     |  55 ++++++++
 .../details/FlowChangeConnectDetails.java       |  97 +++++++++++++
 .../action/details/FlowChangeMoveDetails.java   |  65 +++++++++
 .../action/details/FlowChangePurgeDetails.java  |  46 +++++++
 .../apache/nifi/action/details/MoveDetails.java |  61 ---------
 .../nifi/action/details/PurgeDetails.java       |  45 ------
 .../apache/nifi/audit/ControllerAuditor.java    |  27 ++--
 .../nifi/audit/ControllerServiceAuditor.java    |  43 +++---
 .../org/apache/nifi/audit/FunnelAuditor.java    |   7 +-
 .../java/org/apache/nifi/audit/NiFiAuditor.java |  25 ++--
 .../java/org/apache/nifi/audit/PortAuditor.java |  27 ++--
 .../apache/nifi/audit/ProcessGroupAuditor.java  |  25 ++--
 .../org/apache/nifi/audit/ProcessorAuditor.java |  25 ++--
 .../apache/nifi/audit/RelationshipAuditor.java  |  18 +--
 .../nifi/audit/RemoteProcessGroupAuditor.java   |  35 ++---
 .../apache/nifi/audit/ReportingTaskAuditor.java |  25 ++--
 .../org/apache/nifi/audit/SnippetAuditor.java   |  26 ++--
 .../nifi/web/StandardNiFiServiceFacade.java     |   9 +-
 .../StandardNiFiWebConfigurationContext.java    |  13 +-
 .../apache/nifi/web/StandardNiFiWebContext.java |  13 +-
 .../nifi/web/api/ApplicationResource.java       |   5 +-
 .../org/apache/nifi/web/api/dto/DtoFactory.java |  20 ++-
 63 files changed, 1256 insertions(+), 845 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/Action.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/Action.java b/nifi-api/src/main/java/org/apache/nifi/action/Action.java
new file mode 100644
index 0000000..4ab167e
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/Action.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action;
+
+import org.apache.nifi.action.component.details.ComponentDetails;
+import org.apache.nifi.action.details.ActionDetails;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * An action taken on the flow by a user.
+ */
+public interface Action extends Serializable {
+
+    Integer getId();
+
+    Date getTimestamp();
+
+    String getUserIdentity();
+
+    String getUserName();
+
+    String getSourceId();
+
+    String getSourceName();
+
+    Component getSourceType();
+
+    ComponentDetails getComponentDetails();
+
+    Operation getOperation();
+
+    ActionDetails getActionDetails();
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/Component.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/Component.java b/nifi-api/src/main/java/org/apache/nifi/action/Component.java
new file mode 100644
index 0000000..dcd23ee
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/Component.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action;
+
+/**
+ * Defines possible components for a given action.
+ */
+public enum Component {
+
+    Controller,
+    Processor,
+    InputPort,
+    OutputPort,
+    ProcessGroup,
+    RemoteProcessGroup,
+    Funnel,
+    Connection,
+    ControllerService,
+    ReportingTask;
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/Operation.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/Operation.java b/nifi-api/src/main/java/org/apache/nifi/action/Operation.java
new file mode 100644
index 0000000..d1bb43f
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/Operation.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action;
+
+/**
+ * Defines possible operations for a given action.
+ */
+public enum Operation {
+
+    Add,
+    Remove,
+    Paste,
+    Configure,
+    Move,
+    Disconnect,
+    Connect,
+    Start,
+    Stop,
+    Enable,
+    Disable,
+    Batch,
+    Purge;
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java
new file mode 100644
index 0000000..1eb35c1
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.component.details;
+
+import java.io.Serializable;
+
+/**
+ * Base interface for providing component details to an Action.
+ */
+public interface ComponentDetails extends Serializable {
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java
new file mode 100644
index 0000000..5726c1b
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.component.details;
+
+/**
+ * Provides details of an extension on an Action.
+ */
+public interface ExtensionDetails extends ComponentDetails {
+
+    String getType();
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/component/details/RemoteProcessGroupDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/component/details/RemoteProcessGroupDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/component/details/RemoteProcessGroupDetails.java
new file mode 100644
index 0000000..62f8628
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/component/details/RemoteProcessGroupDetails.java
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.component.details;
+
+/**
+ * Provides details of a remote process group to an Action.
+ */
+public interface RemoteProcessGroupDetails extends ComponentDetails {
+
+    String getUri();
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/details/ActionDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/details/ActionDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/details/ActionDetails.java
new file mode 100644
index 0000000..75ebd9d
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/details/ActionDetails.java
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.details;
+
+import java.io.Serializable;
+
+/**
+ * Provides additional details about a given action.
+ */
+public interface ActionDetails extends Serializable {
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/details/ConfigureDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/details/ConfigureDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/details/ConfigureDetails.java
new file mode 100644
index 0000000..ff8db40
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/details/ConfigureDetails.java
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.details;
+
+/**
+ * Provides details about a configure action.
+ */
+public interface ConfigureDetails extends ActionDetails {
+
+    String getName();
+
+    String getPreviousValue();
+
+    String getValue();
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/details/ConnectDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/details/ConnectDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/details/ConnectDetails.java
new file mode 100644
index 0000000..3c8c91b
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/details/ConnectDetails.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.details;
+
+import org.apache.nifi.action.Component;
+
+/**
+ * Provides details about a connect action.
+ */
+public interface ConnectDetails extends ActionDetails {
+
+    String getSourceId();
+
+    String getSourceName();
+
+    Component getSourceType();
+
+    String getDestinationId();
+
+    String getDestinationName();
+
+    Component getDestinationType();
+
+    String getRelationship();
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/details/MoveDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/details/MoveDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/details/MoveDetails.java
new file mode 100644
index 0000000..0533b3b
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/details/MoveDetails.java
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.details;
+
+/**
+ * Provides details about a move action.
+ */
+public interface MoveDetails extends ActionDetails {
+    String getGroup();
+
+    String getGroupId();
+
+    String getPreviousGroup();
+
+    String getPreviousGroupId();
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/action/details/PurgeDetails.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/action/details/PurgeDetails.java b/nifi-api/src/main/java/org/apache/nifi/action/details/PurgeDetails.java
new file mode 100644
index 0000000..57bc57e
--- /dev/null
+++ b/nifi-api/src/main/java/org/apache/nifi/action/details/PurgeDetails.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action.details;
+
+import java.util.Date;
+
+/**
+ * Provides details about a purge action.
+ */
+public interface PurgeDetails extends ActionDetails {
+
+    Date getEndDate();
+
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-api/src/main/java/org/apache/nifi/reporting/EventAccess.java
----------------------------------------------------------------------
diff --git a/nifi-api/src/main/java/org/apache/nifi/reporting/EventAccess.java b/nifi-api/src/main/java/org/apache/nifi/reporting/EventAccess.java
index bdc23c2..70dedfa 100644
--- a/nifi-api/src/main/java/org/apache/nifi/reporting/EventAccess.java
+++ b/nifi-api/src/main/java/org/apache/nifi/reporting/EventAccess.java
@@ -16,6 +16,7 @@
  */
 package org.apache.nifi.reporting;
 
+import org.apache.nifi.action.Action;
 import org.apache.nifi.controller.status.ProcessGroupStatus;
 import org.apache.nifi.provenance.ProvenanceEventRecord;
 import org.apache.nifi.provenance.ProvenanceEventRepository;
@@ -46,4 +47,16 @@ public interface EventAccess {
      * @return the Provenance Event Repository
      */
     ProvenanceEventRepository getProvenanceRepository();
+
+    /**
+     * Obtains flow changes starting with (and including) the given action ID. If no action
+     * exists with that ID, the first action to be returned will have an ID greater than
+     * <code>firstActionId</code>.
+     *
+     * @param firstActionId the id of the first action to obtain
+     * @param maxActions the maximum number of actions to obtain
+     * @return actions with ids greater than or equal to firstActionID, up to the max number of actions
+     */
+    List<Action> getFlowChanges(int firstActionId, final int maxActions);
+
 }

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-mock/src/main/java/org/apache/nifi/util/MockEventAccess.java
----------------------------------------------------------------------
diff --git a/nifi-mock/src/main/java/org/apache/nifi/util/MockEventAccess.java b/nifi-mock/src/main/java/org/apache/nifi/util/MockEventAccess.java
index b5f6b11..8b3bf25 100644
--- a/nifi-mock/src/main/java/org/apache/nifi/util/MockEventAccess.java
+++ b/nifi-mock/src/main/java/org/apache/nifi/util/MockEventAccess.java
@@ -20,6 +20,7 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.apache.nifi.action.Action;
 import org.apache.nifi.controller.status.ProcessGroupStatus;
 import org.apache.nifi.provenance.ProvenanceEventRecord;
 import org.apache.nifi.provenance.ProvenanceEventRepository;
@@ -29,6 +30,7 @@ public class MockEventAccess implements EventAccess {
 
     private ProcessGroupStatus processGroupStatus;
     private final List<ProvenanceEventRecord> provenanceRecords = new ArrayList<>();
+    private final List<Action> flowChanges = new ArrayList<>();
 
     public void setProcessGroupStatus(final ProcessGroupStatus status) {
         this.processGroupStatus = status;
@@ -67,4 +69,29 @@ public class MockEventAccess implements EventAccess {
     public ProvenanceEventRepository getProvenanceRepository() {
         return null;
     }
+
+    @Override
+    public List<Action> getFlowChanges(int firstActionId, int maxActions) {
+        if (firstActionId < 0 || maxActions < 1) {
+            throw new IllegalArgumentException();
+        }
+
+        final List<Action> actions = new ArrayList<>();
+
+        for (final Action action : flowChanges) {
+            if (action.getId() >= firstActionId) {
+                actions.add(action);
+                if (actions.size() >= maxActions) {
+                    return actions;
+                }
+            }
+        }
+
+        return actions;
+    }
+
+    public void addFlowChange(final Action action) {
+        this.flowChanges.add(action);
+    }
+
 }

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/ActionDAO.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/ActionDAO.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/ActionDAO.java
index 925dc80..335a888 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/ActionDAO.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/ActionDAO.java
@@ -16,14 +16,15 @@
  */
 package org.apache.nifi.admin.dao;
 
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
 import org.apache.nifi.action.Action;
-import org.apache.nifi.history.HistoryQuery;
 import org.apache.nifi.history.History;
+import org.apache.nifi.history.HistoryQuery;
 import org.apache.nifi.history.PreviousValue;
 
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
 /**
  * Action data access.
  */
@@ -33,9 +34,10 @@ public interface ActionDAO {
      * Persists the specified action.
      *
      * @param action to persist
+     * @return the created Action with it's id
      * @throws DataAccessException if unable to persist
      */
-    void createAction(Action action) throws DataAccessException;
+    Action createAction(Action action) throws DataAccessException;
 
     /**
      * Finds all actions that meet the specified criteria.

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/UserDAO.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/UserDAO.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/UserDAO.java
index 6339e5a..7e91c07 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/UserDAO.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/UserDAO.java
@@ -80,8 +80,9 @@ public interface UserDAO {
      * Creates a new user based off the specified NiFiUser.
      *
      * @param user to create
+     * @return the created user with it's id
      */
-    void createUser(NiFiUser user) throws DataAccessException;
+    NiFiUser createUser(NiFiUser user) throws DataAccessException;
 
     /**
      * Updates the specified NiFiUser.

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardActionDAO.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardActionDAO.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardActionDAO.java
index bb655eb..fe693e1 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardActionDAO.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardActionDAO.java
@@ -30,13 +30,20 @@ import java.util.List;
 import java.util.Map;
 import org.apache.nifi.action.Action;
 import org.apache.nifi.action.Component;
+import org.apache.nifi.action.FlowChangeAction;
 import org.apache.nifi.action.Operation;
 import org.apache.nifi.action.component.details.ComponentDetails;
 import org.apache.nifi.action.component.details.ExtensionDetails;
+import org.apache.nifi.action.component.details.FlowChangeExtensionDetails;
+import org.apache.nifi.action.component.details.FlowChangeRemoteProcessGroupDetails;
 import org.apache.nifi.action.component.details.RemoteProcessGroupDetails;
 import org.apache.nifi.action.details.ActionDetails;
 import org.apache.nifi.action.details.ConfigureDetails;
 import org.apache.nifi.action.details.ConnectDetails;
+import org.apache.nifi.action.details.FlowChangeConfigureDetails;
+import org.apache.nifi.action.details.FlowChangeConnectDetails;
+import org.apache.nifi.action.details.FlowChangeMoveDetails;
+import org.apache.nifi.action.details.FlowChangePurgeDetails;
 import org.apache.nifi.action.details.MoveDetails;
 import org.apache.nifi.action.details.PurgeDetails;
 import org.apache.nifi.admin.RepositoryUtils;
@@ -195,8 +202,8 @@ public class StandardActionDAO implements ActionDAO {
     }
 
     @Override
-    public void createAction(Action action) throws DataAccessException {
-        if (action.getUserDn() == null) {
+    public Action createAction(Action action) throws DataAccessException {
+        if (action.getUserIdentity() == null) {
             throw new IllegalArgumentException("User cannot be null.");
         }
 
@@ -209,7 +216,7 @@ public class StandardActionDAO implements ActionDAO {
         try {
             // obtain a statement to insert to the action table
             statement = connection.prepareStatement(INSERT_ACTION, Statement.RETURN_GENERATED_KEYS);
-            statement.setString(1, StringUtils.left(action.getUserDn(), 255));
+            statement.setString(1, StringUtils.left(action.getUserIdentity(), 255));
             statement.setString(2, StringUtils.left(action.getUserName(), 100));
             statement.setString(3, action.getSourceId());
             statement.setString(4, StringUtils.left(action.getSourceName(), 1000));
@@ -220,10 +227,21 @@ public class StandardActionDAO implements ActionDAO {
             // insert the action
             int updateCount = statement.executeUpdate();
 
+            final FlowChangeAction createdAction = new FlowChangeAction();
+            createdAction.setUserIdentity(action.getUserIdentity());
+            createdAction.setUserName(action.getUserName());
+            createdAction.setSourceId(action.getSourceId());
+            createdAction.setSourceName(action.getSourceName());
+            createdAction.setSourceType(action.getSourceType());
+            createdAction.setOperation(action.getOperation());
+            createdAction.setTimestamp(action.getTimestamp());
+            createdAction.setActionDetails(action.getActionDetails());
+            createdAction.setComponentDetails(action.getComponentDetails());
+
             // get the action id
             rs = statement.getGeneratedKeys();
             if (updateCount == 1 && rs.next()) {
-                action.setId(rs.getInt(1));
+                createdAction.setId(rs.getInt(1));
             } else {
                 throw new DataAccessException("Unable to insert action.");
             }
@@ -232,25 +250,26 @@ public class StandardActionDAO implements ActionDAO {
             statement.close();
 
             // determine the type of component
-            ComponentDetails componentDetails = action.getComponentDetails();
-            if (componentDetails instanceof ExtensionDetails) {
-                createExtensionDetails(action.getId(), (ExtensionDetails) componentDetails);
-            } else if (componentDetails instanceof RemoteProcessGroupDetails) {
-                createRemoteProcessGroupDetails(action.getId(), (RemoteProcessGroupDetails) componentDetails);
+            ComponentDetails componentDetails = createdAction.getComponentDetails();
+            if (componentDetails instanceof FlowChangeExtensionDetails) {
+                createExtensionDetails(createdAction.getId(), (ExtensionDetails) componentDetails);
+            } else if (componentDetails instanceof FlowChangeRemoteProcessGroupDetails) {
+                createRemoteProcessGroupDetails(createdAction.getId(), (RemoteProcessGroupDetails) componentDetails);
             }
 
             // determine the type of action
-            ActionDetails details = action.getActionDetails();
-            if (details instanceof ConnectDetails) {
-                createConnectDetails(action.getId(), (ConnectDetails) details);
-            } else if (details instanceof MoveDetails) {
-                createMoveDetails(action.getId(), (MoveDetails) details);
-            } else if (details instanceof ConfigureDetails) {
-                createConfigureDetails(action.getId(), (ConfigureDetails) details);
-            } else if (details instanceof PurgeDetails) {
-                createPurgeDetails(action.getId(), (PurgeDetails) details);
-            }
-
+            ActionDetails details = createdAction.getActionDetails();
+            if (details instanceof FlowChangeConnectDetails) {
+                createConnectDetails(createdAction.getId(), (ConnectDetails) details);
+            } else if (details instanceof FlowChangeMoveDetails) {
+                createMoveDetails(createdAction.getId(), (MoveDetails) details);
+            } else if (details instanceof FlowChangeConfigureDetails) {
+                createConfigureDetails(createdAction.getId(), (ConfigureDetails) details);
+            } else if (details instanceof FlowChangePurgeDetails) {
+                createPurgeDetails(createdAction.getId(), (PurgeDetails) details);
+            }
+
+            return createdAction;
         } catch (SQLException sqle) {
             throw new DataAccessException(sqle);
         } finally {
@@ -540,9 +559,9 @@ public class StandardActionDAO implements ActionDAO {
                 final Operation operation = Operation.valueOf(rs.getString("OPERATION"));
                 final Component component = Component.valueOf(rs.getString("SOURCE_TYPE"));
 
-                Action action = new Action();
+                FlowChangeAction action = new FlowChangeAction();
                 action.setId(actionId);
-                action.setUserDn(rs.getString("USER_DN"));
+                action.setUserIdentity(rs.getString("USER_DN"));
                 action.setUserName(rs.getString("USER_NAME"));
                 action.setOperation(Operation.valueOf(rs.getString("OPERATION")));
                 action.setTimestamp(new Date(rs.getTimestamp("ACTION_TIMESTAMP").getTime()));
@@ -597,7 +616,7 @@ public class StandardActionDAO implements ActionDAO {
 
     @Override
     public Action getAction(Integer actionId) throws DataAccessException {
-        Action action = null;
+        FlowChangeAction action = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
         try {
@@ -614,9 +633,9 @@ public class StandardActionDAO implements ActionDAO {
                 Component component = Component.valueOf(rs.getString("SOURCE_TYPE"));
 
                 // populate the action
-                action = new Action();
+                action = new FlowChangeAction();
                 action.setId(rs.getInt("ID"));
-                action.setUserDn(rs.getString("USER_DN"));
+                action.setUserIdentity(rs.getString("USER_DN"));
                 action.setUserName(rs.getString("USER_NAME"));
                 action.setOperation(operation);
                 action.setTimestamp(new Date(rs.getTimestamp("ACTION_TIMESTAMP").getTime()));
@@ -664,7 +683,7 @@ public class StandardActionDAO implements ActionDAO {
     }
 
     private ExtensionDetails getExtensionDetails(Integer actionId) throws DataAccessException {
-        ExtensionDetails extensionDetails = null;
+        FlowChangeExtensionDetails extensionDetails = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
         try {
@@ -677,7 +696,7 @@ public class StandardActionDAO implements ActionDAO {
 
             // ensure results
             if (rs.next()) {
-                extensionDetails = new ExtensionDetails();
+                extensionDetails = new FlowChangeExtensionDetails();
                 extensionDetails.setType(rs.getString("TYPE"));
             }
         } catch (SQLException sqle) {
@@ -691,7 +710,7 @@ public class StandardActionDAO implements ActionDAO {
     }
 
     private RemoteProcessGroupDetails getRemoteProcessGroupDetails(Integer actionId) throws DataAccessException {
-        RemoteProcessGroupDetails remoteProcessGroupDetails = null;
+        FlowChangeRemoteProcessGroupDetails remoteProcessGroupDetails = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
         try {
@@ -704,7 +723,7 @@ public class StandardActionDAO implements ActionDAO {
 
             // ensure results
             if (rs.next()) {
-                remoteProcessGroupDetails = new RemoteProcessGroupDetails();
+                remoteProcessGroupDetails = new FlowChangeRemoteProcessGroupDetails();
                 remoteProcessGroupDetails.setUri(rs.getString("URI"));
             }
         } catch (SQLException sqle) {
@@ -718,7 +737,7 @@ public class StandardActionDAO implements ActionDAO {
     }
 
     private MoveDetails getMoveDetails(Integer actionId) throws DataAccessException {
-        MoveDetails moveDetails = null;
+        FlowChangeMoveDetails moveDetails = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
         try {
@@ -731,7 +750,7 @@ public class StandardActionDAO implements ActionDAO {
 
             // ensure results
             if (rs.next()) {
-                moveDetails = new MoveDetails();
+                moveDetails = new FlowChangeMoveDetails();
                 moveDetails.setGroupId(rs.getString("GROUP_ID"));
                 moveDetails.setGroup(rs.getString("GROUP_NAME"));
                 moveDetails.setPreviousGroupId(rs.getString("PREVIOUS_GROUP_ID"));
@@ -748,7 +767,7 @@ public class StandardActionDAO implements ActionDAO {
     }
 
     private ConnectDetails getConnectDetails(Integer actionId) throws DataAccessException {
-        ConnectDetails connectionDetails = null;
+        FlowChangeConnectDetails connectionDetails = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
         try {
@@ -764,7 +783,7 @@ public class StandardActionDAO implements ActionDAO {
                 final Component sourceComponent = Component.valueOf(rs.getString("SOURCE_TYPE"));
                 final Component destinationComponent = Component.valueOf(rs.getString("DESTINATION_TYPE"));
 
-                connectionDetails = new ConnectDetails();
+                connectionDetails = new FlowChangeConnectDetails();
                 connectionDetails.setSourceId(rs.getString("SOURCE_ID"));
                 connectionDetails.setSourceName(rs.getString("SOURCE_NAME"));
                 connectionDetails.setSourceType(sourceComponent);
@@ -784,7 +803,7 @@ public class StandardActionDAO implements ActionDAO {
     }
 
     private ConfigureDetails getConfigureDetails(Integer actionId) throws DataAccessException {
-        ConfigureDetails configurationDetails = null;
+        FlowChangeConfigureDetails configurationDetails = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
         try {
@@ -797,7 +816,7 @@ public class StandardActionDAO implements ActionDAO {
 
             // ensure results
             if (rs.next()) {
-                configurationDetails = new ConfigureDetails();
+                configurationDetails = new FlowChangeConfigureDetails();
                 configurationDetails.setName(rs.getString("NAME"));
                 configurationDetails.setValue(rs.getString("VALUE"));
                 configurationDetails.setPreviousValue(rs.getString("PREVIOUS_VALUE"));
@@ -813,7 +832,7 @@ public class StandardActionDAO implements ActionDAO {
     }
 
     private PurgeDetails getPurgeDetails(Integer actionId) throws DataAccessException {
-        PurgeDetails purgeDetails = null;
+        FlowChangePurgeDetails purgeDetails = null;
         PreparedStatement statement = null;
         ResultSet rs = null;
         try {
@@ -826,7 +845,7 @@ public class StandardActionDAO implements ActionDAO {
 
             // ensure results
             if (rs.next()) {
-                purgeDetails = new PurgeDetails();
+                purgeDetails = new FlowChangePurgeDetails();
                 purgeDetails.setEndDate(new Date(rs.getTimestamp("END_DATE").getTime()));
             }
         } catch (SQLException sqle) {

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardUserDAO.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardUserDAO.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardUserDAO.java
index ea7c1a1..f6a62df 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardUserDAO.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/dao/impl/StandardUserDAO.java
@@ -462,7 +462,7 @@ public class StandardUserDAO implements UserDAO {
     }
 
     @Override
-    public void createUser(NiFiUser user) throws DataAccessException {
+    public NiFiUser createUser(NiFiUser user) throws DataAccessException {
         if (user.getDn() == null) {
             throw new IllegalArgumentException("User dn must be specified.");
         }
@@ -493,6 +493,8 @@ public class StandardUserDAO implements UserDAO {
             } else {
                 throw new DataAccessException("Unable to insert user.");
             }
+
+            return user;
         } catch (SQLException sqle) {
             throw new DataAccessException(sqle);
         } catch (DataAccessException dae) {

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/AuditService.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/AuditService.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/AuditService.java
index 680173f..e2c7f77 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/AuditService.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/AuditService.java
@@ -16,14 +16,15 @@
  */
 package org.apache.nifi.admin.service;
 
+import org.apache.nifi.action.Action;
+import org.apache.nifi.history.History;
+import org.apache.nifi.history.HistoryQuery;
+import org.apache.nifi.history.PreviousValue;
+
 import java.util.Collection;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
-import org.apache.nifi.action.Action;
-import org.apache.nifi.history.HistoryQuery;
-import org.apache.nifi.history.History;
-import org.apache.nifi.history.PreviousValue;
 
 /**
  * Allows NiFi actions to be audited.
@@ -55,6 +56,15 @@ public interface AuditService {
     History getActions(HistoryQuery actionQuery);
 
     /**
+     * Get the actions starting with firstActionId, returning up to maxActions.
+     *
+     * @param firstActionId the offset
+     * @param maxActions the number of actions to return
+     * @return history of actions matching the above conditions
+     */
+    History getActions(final int firstActionId, final int maxActions);
+
+    /**
      * Get the details for the specified action id. If the action cannot be
      * found, null is returned.
      *

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/AddActionsAction.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/AddActionsAction.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/AddActionsAction.java
index 5a2159f..db1d8a2 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/AddActionsAction.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/AddActionsAction.java
@@ -16,12 +16,13 @@
  */
 package org.apache.nifi.admin.service.action;
 
-import java.util.Collection;
 import org.apache.nifi.action.Action;
 import org.apache.nifi.admin.dao.ActionDAO;
 import org.apache.nifi.admin.dao.DAOFactory;
 import org.apache.nifi.authorization.AuthorityProvider;
 
+import java.util.Collection;
+
 /**
  * Adds the specified actions.
  */

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/PurgeActionsAction.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/PurgeActionsAction.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/PurgeActionsAction.java
index b5a2883..6928e0d 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/PurgeActionsAction.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/action/PurgeActionsAction.java
@@ -16,12 +16,13 @@
  */
 package org.apache.nifi.admin.service.action;
 
-import java.util.Date;
 import org.apache.nifi.action.Action;
 import org.apache.nifi.admin.dao.ActionDAO;
 import org.apache.nifi.admin.dao.DAOFactory;
 import org.apache.nifi.authorization.AuthorityProvider;
 
+import java.util.Date;
+
 /**
  * Purges actions up to a specified end date.
  */

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/impl/StandardAuditService.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/impl/StandardAuditService.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/impl/StandardAuditService.java
index e588841..8f37d8e 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/impl/StandardAuditService.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/impl/StandardAuditService.java
@@ -16,12 +16,6 @@
  */
 package org.apache.nifi.admin.service.impl;
 
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
 import org.apache.nifi.action.Action;
 import org.apache.nifi.admin.dao.DataAccessException;
 import org.apache.nifi.admin.service.AdministrationException;
@@ -40,6 +34,13 @@ import org.apache.nifi.history.PreviousValue;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
 /**
  *
  */
@@ -141,6 +142,17 @@ public class StandardAuditService implements AuditService {
     }
 
     @Override
+    public History getActions(int firstActionId, int maxActions) {
+        final HistoryQuery query = new HistoryQuery();
+        query.setOffset(firstActionId);
+        query.setCount(maxActions);
+        query.setSortOrder("asc");
+        query.setSortColumn("timestamp");
+
+        return getActions(query);
+    }
+
+    @Override
     public Action getAction(Integer actionId) {
         Transaction transaction = null;
         Action action = null;

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/resources/nifi-administration-context.xml
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/resources/nifi-administration-context.xml b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/resources/nifi-administration-context.xml
index a36619f..8cb4b97 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/resources/nifi-administration-context.xml
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/resources/nifi-administration-context.xml
@@ -23,7 +23,7 @@
     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">
 
     <!-- user authority provider -->
-    <bean id="authorityProvider" class="org.apache.nifi.authorization.AuthorityProviderFactoryBean" depends-on="clusterManager flowController">
+    <bean id="authorityProvider" class="org.apache.nifi.authorization.AuthorityProviderFactoryBean" depends-on="clusterManager">
         <property name="properties" ref="nifiProperties"/>
     </bean>
 

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/ClusteredEventAccess.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/ClusteredEventAccess.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/ClusteredEventAccess.java
index 2015530..4c48d77 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/ClusteredEventAccess.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/ClusteredEventAccess.java
@@ -16,12 +16,11 @@
  */
 package org.apache.nifi.cluster.manager.impl;
 
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
+import org.apache.nifi.action.Action;
+import org.apache.nifi.admin.service.AuditService;
 import org.apache.nifi.controller.status.ProcessGroupStatus;
 import org.apache.nifi.events.EventReporter;
+import org.apache.nifi.history.History;
 import org.apache.nifi.provenance.ProvenanceEventBuilder;
 import org.apache.nifi.provenance.ProvenanceEventRecord;
 import org.apache.nifi.provenance.ProvenanceEventRepository;
@@ -31,12 +30,18 @@ import org.apache.nifi.provenance.search.QuerySubmission;
 import org.apache.nifi.provenance.search.SearchableField;
 import org.apache.nifi.reporting.EventAccess;
 
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
 public class ClusteredEventAccess implements EventAccess {
 
     private final WebClusterManager clusterManager;
+    private final AuditService auditService;
 
-    public ClusteredEventAccess(final WebClusterManager clusterManager) {
+    public ClusteredEventAccess(final WebClusterManager clusterManager, final AuditService auditService) {
         this.clusterManager = clusterManager;
+        this.auditService = auditService;
     }
 
     @Override
@@ -132,4 +137,10 @@ public class ClusteredEventAccess implements EventAccess {
             }
         };
     }
+
+    @Override
+    public List<Action> getFlowChanges(int firstActionId, int maxActions) {
+        final History history = auditService.getActions(firstActionId, maxActions);
+        return new ArrayList<>(history.getActions());
+    }
 }

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/WebClusterManager.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/WebClusterManager.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/WebClusterManager.java
index bfeec7a..2eabe0c 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/WebClusterManager.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/WebClusterManager.java
@@ -1075,7 +1075,7 @@ public class WebClusterManager implements HttpClusterManager, ProtocolHandler, C
 
         final ValidationContextFactory validationContextFactory = new StandardValidationContextFactory(this);
         final ReportingTaskNode taskNode = new ClusteredReportingTaskNode(task, id, processScheduler,
-                new ClusteredEventAccess(this), bulletinRepository, controllerServiceProvider, validationContextFactory);
+                new ClusteredEventAccess(this, auditService), bulletinRepository, controllerServiceProvider, validationContextFactory);
         taskNode.setName(task.getClass().getSimpleName());
 
         reportingTasks.put(id, taskNode);

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/FlowController.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/FlowController.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/FlowController.java
index 3f815b0..135025e 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/FlowController.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/FlowController.java
@@ -16,39 +16,10 @@
  */
 package org.apache.nifi.controller;
 
-import static java.util.Objects.requireNonNull;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
-import java.util.UUID;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.concurrent.locks.Lock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-
-import javax.net.ssl.SSLContext;
-
+import com.sun.jersey.api.client.ClientHandlerException;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.action.Action;
+import org.apache.nifi.admin.service.AuditService;
 import org.apache.nifi.admin.service.UserService;
 import org.apache.nifi.annotation.lifecycle.OnAdded;
 import org.apache.nifi.annotation.lifecycle.OnRemoved;
@@ -139,6 +110,7 @@ import org.apache.nifi.groups.ProcessGroup;
 import org.apache.nifi.groups.RemoteProcessGroup;
 import org.apache.nifi.groups.RemoteProcessGroupPortDescriptor;
 import org.apache.nifi.groups.StandardProcessGroup;
+import org.apache.nifi.history.History;
 import org.apache.nifi.logging.ComponentLog;
 import org.apache.nifi.logging.ControllerServiceLogObserver;
 import org.apache.nifi.logging.LogLevel;
@@ -202,7 +174,36 @@ import org.apache.nifi.web.api.dto.status.StatusHistoryDTO;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.sun.jersey.api.client.ClientHandlerException;
+import javax.net.ssl.SSLContext;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+import static java.util.Objects.requireNonNull;
 
 public class FlowController implements EventAccess, ControllerServiceProvider, ReportingTaskProvider, Heartbeater, QueueProvider {
 
@@ -243,6 +244,7 @@ public class FlowController implements EventAccess, ControllerServiceProvider, R
     private final AtomicBoolean initialized = new AtomicBoolean(false);
     private final ControllerServiceProvider controllerServiceProvider;
     private final UserService userService;
+    private final AuditService auditService;
     private final EventDrivenWorkerQueue eventDrivenWorkerQueue;
     private final ComponentStatusRepository componentStatusRepository;
     private final long systemStartTime = System.currentTimeMillis(); // time at which the node was started
@@ -342,32 +344,36 @@ public class FlowController implements EventAccess, ControllerServiceProvider, R
     private static final Logger heartbeatLogger = LoggerFactory.getLogger("org.apache.nifi.cluster.heartbeat");
 
     public static FlowController createStandaloneInstance(
-        final FlowFileEventRepository flowFileEventRepo,
-        final NiFiProperties properties,
-        final UserService userService,
-        final StringEncryptor encryptor) {
+            final FlowFileEventRepository flowFileEventRepo,
+            final NiFiProperties properties,
+            final UserService userService,
+            final AuditService auditService,
+            final StringEncryptor encryptor) {
         return new FlowController(
-            flowFileEventRepo,
-            properties,
-            userService,
-            encryptor,
-            /* configuredForClustering */ false,
-            /* NodeProtocolSender */ null);
+                flowFileEventRepo,
+                properties,
+                userService,
+                auditService,
+                encryptor,
+                /* configuredForClustering */ false,
+                /* NodeProtocolSender */ null);
     }
 
     public static FlowController createClusteredInstance(
-        final FlowFileEventRepository flowFileEventRepo,
-        final NiFiProperties properties,
-        final UserService userService,
-        final StringEncryptor encryptor,
-        final NodeProtocolSender protocolSender) {
+            final FlowFileEventRepository flowFileEventRepo,
+            final NiFiProperties properties,
+            final UserService userService,
+            final AuditService auditService,
+            final StringEncryptor encryptor,
+            final NodeProtocolSender protocolSender) {
         final FlowController flowController = new FlowController(
-            flowFileEventRepo,
-            properties,
-            userService,
-            encryptor,
-            /* configuredForClustering */ true,
-            /* NodeProtocolSender */ protocolSender);
+                flowFileEventRepo,
+                properties,
+                userService,
+                auditService,
+                encryptor,
+                /* configuredForClustering */ true,
+                /* NodeProtocolSender */ protocolSender);
 
         flowController.setClusterManagerRemoteSiteInfo(properties.getRemoteInputPort(), properties.isSiteToSiteSecure());
 
@@ -375,12 +381,13 @@ public class FlowController implements EventAccess, ControllerServiceProvider, R
     }
 
     private FlowController(
-        final FlowFileEventRepository flowFileEventRepo,
-        final NiFiProperties properties,
-        final UserService userService,
-        final StringEncryptor encryptor,
-        final boolean configuredForClustering,
-        final NodeProtocolSender protocolSender) {
+            final FlowFileEventRepository flowFileEventRepo,
+            final NiFiProperties properties,
+            final UserService userService,
+            final AuditService auditService,
+            final StringEncryptor encryptor,
+            final boolean configuredForClustering,
+            final NodeProtocolSender protocolSender) {
 
         maxTimerDrivenThreads = new AtomicInteger(10);
         maxEventDrivenThreads = new AtomicInteger(5);
@@ -428,6 +435,7 @@ public class FlowController implements EventAccess, ControllerServiceProvider, R
         startConnectablesAfterInitialization = new ArrayList<>();
         startRemoteGroupPortsAfterInitialization = new ArrayList<>();
         this.userService = userService;
+        this.auditService = auditService;
 
         final String gracefulShutdownSecondsVal = properties.getProperty(GRACEFUL_SHUTDOWN_PERIOD);
         long shutdownSecs;
@@ -3638,7 +3646,13 @@ public class FlowController implements EventAccess, ControllerServiceProvider, R
 
     @Override
     public List<ProvenanceEventRecord> getProvenanceEvents(final long firstEventId, final int maxRecords) throws IOException {
-        return new ArrayList<ProvenanceEventRecord>(provenanceEventRepository.getEvents(firstEventId, maxRecords));
+        return new ArrayList<>(provenanceEventRepository.getEvents(firstEventId, maxRecords));
+    }
+
+    @Override
+    public List<Action> getFlowChanges(final int firstActionId, final int maxActions) {
+        final History history = auditService.getActions(firstActionId, maxActions);
+        return new ArrayList<>(history.getActions());
     }
 
     public void setClusterManagerRemoteSiteInfo(final Integer managerListeningPort, final Boolean commsSecure) {

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/spring/FlowControllerFactoryBean.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/spring/FlowControllerFactoryBean.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/spring/FlowControllerFactoryBean.java
index 6949cf9..c6c18c3 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/spring/FlowControllerFactoryBean.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/spring/FlowControllerFactoryBean.java
@@ -16,6 +16,7 @@
  */
 package org.apache.nifi.spring;
 
+import org.apache.nifi.admin.service.AuditService;
 import org.apache.nifi.admin.service.UserService;
 import org.apache.nifi.cluster.protocol.NodeProtocolSender;
 import org.apache.nifi.controller.FlowController;
@@ -38,6 +39,7 @@ public class FlowControllerFactoryBean implements FactoryBean, ApplicationContex
     private FlowController flowController;
     private NiFiProperties properties;
     private UserService userService;
+    private AuditService auditService;
     private StringEncryptor encryptor;
 
     @Override
@@ -57,6 +59,7 @@ public class FlowControllerFactoryBean implements FactoryBean, ApplicationContex
                         flowFileEventRepository,
                         properties,
                         userService,
+                        auditService,
                         encryptor,
                         nodeProtocolSender);
             } else {
@@ -64,6 +67,7 @@ public class FlowControllerFactoryBean implements FactoryBean, ApplicationContex
                         flowFileEventRepository,
                         properties,
                         userService,
+                        auditService,
                         encryptor);
             }
 
@@ -98,4 +102,8 @@ public class FlowControllerFactoryBean implements FactoryBean, ApplicationContex
     public void setEncryptor(final StringEncryptor encryptor) {
         this.encryptor = encryptor;
     }
+
+    public void setAuditService(final AuditService auditService) {
+        this.auditService = auditService;
+    }
 }

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/nifi-context.xml
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/nifi-context.xml b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/nifi-context.xml
index b0cdb11..e841b24 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/nifi-context.xml
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/nifi-context.xml
@@ -37,6 +37,7 @@
     <bean id="flowController" class="org.apache.nifi.spring.FlowControllerFactoryBean">
         <property name="properties" ref="nifiProperties"/>
         <property name="userService" ref="userService" />
+        <property name="auditService" ref="auditService" />
         <property name="encryptor" ref="stringEncryptor" />
     </bean>
 

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/StandardFlowServiceTest.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/StandardFlowServiceTest.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/StandardFlowServiceTest.java
index 7dc44da..b01b26c 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/StandardFlowServiceTest.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/StandardFlowServiceTest.java
@@ -24,6 +24,7 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.apache.nifi.admin.service.AuditService;
 import org.apache.nifi.admin.service.UserService;
 import org.apache.nifi.cluster.protocol.StandardDataFlow;
 import org.apache.nifi.controller.repository.FlowFileEventRepository;
@@ -55,6 +56,7 @@ public class StandardFlowServiceTest {
     private NiFiProperties properties;
     private FlowFileEventRepository mockFlowFileEventRepository;
     private UserService mockUserService;
+    private AuditService mockAuditService;
     private StringEncryptor mockEncryptor;
 
     @BeforeClass
@@ -67,7 +69,8 @@ public class StandardFlowServiceTest {
         properties = NiFiProperties.getInstance();
         mockFlowFileEventRepository = mock(FlowFileEventRepository.class);
         mockUserService = mock(UserService.class);
-        flowController = FlowController.createStandaloneInstance(mockFlowFileEventRepository, properties, mockUserService, mockEncryptor);
+        mockAuditService = mock(AuditService.class);
+        flowController = FlowController.createStandaloneInstance(mockFlowFileEventRepository, properties, mockUserService, mockAuditService, mockEncryptor);
         flowService = StandardFlowService.createStandaloneInstance(flowController, properties, mockEncryptor);
     }
 

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/pom.xml
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/pom.xml b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/pom.xml
index 644826c..e8649ed 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/pom.xml
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/pom.xml
@@ -21,4 +21,11 @@
         <version>0.3.1-SNAPSHOT</version>
     </parent>
     <artifactId>nifi-user-actions</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.nifi</groupId>
+            <artifactId>nifi-api</artifactId>
+        </dependency>
+    </dependencies>
 </project>

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Action.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Action.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Action.java
deleted file mode 100644
index 689e852..0000000
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Action.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.nifi.action;
-
-import java.io.Serializable;
-import org.apache.nifi.action.component.details.ComponentDetails;
-import org.apache.nifi.action.details.ActionDetails;
-import java.util.Date;
-
-/**
- *
- */
-public class Action implements Serializable {
-
-    private Integer id;
-    private String userDn;
-    private String userName;
-    private Date timestamp;
-
-    private String sourceId;
-    private String sourceName;
-    private Component sourceType;
-    private ComponentDetails componentDetails;
-
-    private Operation operation;
-    private ActionDetails actionDetails;
-
-    public Integer getId() {
-        return id;
-    }
-
-    public void setId(Integer id) {
-        this.id = id;
-    }
-
-    public Date getTimestamp() {
-        return timestamp;
-    }
-
-    public void setTimestamp(Date timestamp) {
-        this.timestamp = timestamp;
-    }
-
-    public String getUserDn() {
-        return userDn;
-    }
-
-    public void setUserDn(String userDn) {
-        this.userDn = userDn;
-    }
-
-    public String getUserName() {
-        return userName;
-    }
-
-    public void setUserName(String userName) {
-        this.userName = userName;
-    }
-
-    public String getSourceId() {
-        return sourceId;
-    }
-
-    public void setSourceId(String sourceId) {
-        this.sourceId = sourceId;
-    }
-
-    public String getSourceName() {
-        return sourceName;
-    }
-
-    public void setSourceName(String sourceName) {
-        this.sourceName = sourceName;
-    }
-
-    public Component getSourceType() {
-        return sourceType;
-    }
-
-    public void setSourceType(Component sourceType) {
-        this.sourceType = sourceType;
-    }
-
-    public ComponentDetails getComponentDetails() {
-        return componentDetails;
-    }
-
-    public void setComponentDetails(ComponentDetails componentDetails) {
-        this.componentDetails = componentDetails;
-    }
-
-    public Operation getOperation() {
-        return operation;
-    }
-
-    public void setOperation(Operation operation) {
-        this.operation = operation;
-    }
-
-    public ActionDetails getActionDetails() {
-        return actionDetails;
-    }
-
-    public void setActionDetails(ActionDetails actionDetails) {
-        this.actionDetails = actionDetails;
-    }
-}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Component.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Component.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Component.java
deleted file mode 100644
index dcd23ee..0000000
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Component.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.nifi.action;
-
-/**
- * Defines possible components for a given action.
- */
-public enum Component {
-
-    Controller,
-    Processor,
-    InputPort,
-    OutputPort,
-    ProcessGroup,
-    RemoteProcessGroup,
-    Funnel,
-    Connection,
-    ControllerService,
-    ReportingTask;
-}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/FlowChangeAction.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/FlowChangeAction.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/FlowChangeAction.java
new file mode 100644
index 0000000..ad22059
--- /dev/null
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/FlowChangeAction.java
@@ -0,0 +1,130 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.action;
+
+import org.apache.nifi.action.component.details.ComponentDetails;
+import org.apache.nifi.action.details.ActionDetails;
+import java.util.Date;
+
+/**
+ *
+ */
+public class FlowChangeAction implements Action {
+
+    private Integer id;
+    private String userIdentity;
+    private String userName;
+    private Date timestamp;
+
+    private String sourceId;
+    private String sourceName;
+    private Component sourceType;
+    private ComponentDetails componentDetails;
+
+    private Operation operation;
+    private ActionDetails actionDetails;
+
+    @Override
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    @Override
+    public Date getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(Date timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    @Override
+    public String getUserIdentity() {
+        return userIdentity;
+    }
+
+    public void setUserIdentity(String userIdentity) {
+        this.userIdentity = userIdentity;
+    }
+
+    @Override
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    @Override
+    public String getSourceId() {
+        return sourceId;
+    }
+
+    public void setSourceId(String sourceId) {
+        this.sourceId = sourceId;
+    }
+
+    @Override
+    public String getSourceName() {
+        return sourceName;
+    }
+
+    public void setSourceName(String sourceName) {
+        this.sourceName = sourceName;
+    }
+
+    @Override
+    public Component getSourceType() {
+        return sourceType;
+    }
+
+    public void setSourceType(Component sourceType) {
+        this.sourceType = sourceType;
+    }
+
+    @Override
+    public ComponentDetails getComponentDetails() {
+        return componentDetails;
+    }
+
+    public void setComponentDetails(ComponentDetails componentDetails) {
+        this.componentDetails = componentDetails;
+    }
+
+    @Override
+    public Operation getOperation() {
+        return operation;
+    }
+
+    public void setOperation(Operation operation) {
+        this.operation = operation;
+    }
+
+    @Override
+    public ActionDetails getActionDetails() {
+        return actionDetails;
+    }
+
+    public void setActionDetails(ActionDetails actionDetails) {
+        this.actionDetails = actionDetails;
+    }
+}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Operation.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Operation.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Operation.java
deleted file mode 100644
index d1bb43f..0000000
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/Operation.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.nifi.action;
-
-/**
- * Defines possible operations for a given action.
- */
-public enum Operation {
-
-    Add,
-    Remove,
-    Paste,
-    Configure,
-    Move,
-    Disconnect,
-    Connect,
-    Start,
-    Stop,
-    Enable,
-    Disable,
-    Batch,
-    Purge;
-}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java
deleted file mode 100644
index c05fa37..0000000
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ComponentDetails.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.nifi.action.component.details;
-
-import java.io.Serializable;
-
-/**
- *
- */
-public abstract class ComponentDetails implements Serializable {
-
-}

http://git-wip-us.apache.org/repos/asf/nifi/blob/5cc2b04b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java
deleted file mode 100644
index 4c1f91e..0000000
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-user-actions/src/main/java/org/apache/nifi/action/component/details/ExtensionDetails.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.nifi.action.component.details;
-
-/**
- *
- */
-public class ExtensionDetails extends ComponentDetails {
-
-    private String type;
-
-    public String getType() {
-        return type;
-    }
-
-    public void setType(String type) {
-        this.type = type;
-    }
-
-}