add nodb support

add option to work without db

Issue-ID: CCSDK-3573
Signed-off-by: Michael DÜrre <michael.duerre@highstreet-technologies.com>
Change-Id: I1a1dc785dceb1789fe12bf6b3009e35d56578816
Signed-off-by: Michael DÜrre <michael.duerre@highstreet-technologies.com>

8 files changed, 571 insertions, 28 deletions

diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbDataProvider.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbDataProvider.java
new file mode 100644
index 000000000..2179097cf
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbDataProvider.java
@@ -0,0 +1,137 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.dataprovider.database.nodb;
+
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CmlogEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ConnectionlogEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.EventlogEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.FaultcurrentEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.FaultlogEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Guicutthrough;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Inventory;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.NetworkElementConnectionEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.PmdataEntity;
+
+public class NoDbDataProvider implements DataProvider {
+
+    @Override
+    public int doIndexClean(Date olderAreOutdated) {
+        return 0;
+    }
+
+    @Override
+    public long getNumberOfOldObjects(Date olderAreOutdated) {
+        return 0;
+    }
+
+    @Override
+    public void writeConnectionLog(ConnectionlogEntity event) {
+
+    }
+
+    @Override
+    public void writeEventLog(EventlogEntity event) {
+
+    }
+
+    @Override
+    public void writeFaultLog(FaultlogEntity fault) {
+
+    }
+
+    @Override
+    public void writeCMLog(CmlogEntity cm) {
+
+    }
+
+    @Override
+    public void updateFaultCurrent(FaultcurrentEntity fault) {
+
+    }
+
+    @Override
+    public int clearFaultsCurrentOfNode(String nodeName) {
+        return 0;
+    }
+
+    @Override
+    public int clearFaultsCurrentOfNodeWithObjectId(String nodeName, String objectId) {
+        return 0;
+    }
+
+    @Override
+    public List<String> getAllNodesWithCurrentAlarms() {
+        return Arrays.asList();
+    }
+
+    @Override
+    public void writeInventory(String nodeId, List<Inventory> list) {
+     
+    }
+
+    @Override
+    public void writeGuiCutThroughData(Guicutthrough gcData, String nodeId) {
+
+    }
+
+    @Override
+    public int clearGuiCutThroughEntriesOfNode(String nodeName) {
+        return 0;
+    }
+
+    @Override
+    public boolean updateNetworkConnectionDeviceType(NetworkElementConnectionEntity networkElementConnectionEntitiy,
+            String nodeId) {
+        return true;
+    }
+
+    @Override
+    public boolean updateNetworkConnection22(NetworkElementConnectionEntity networkElementConnectionEntitiy,
+            String nodeId) {
+        return true;
+    }
+
+    @Override
+    public void removeNetworkConnection(String nodeId) {
+ 
+    }
+
+    @Override
+    public List<NetworkElementConnectionEntity> getNetworkElementConnections() {
+        return Arrays.asList();
+    }
+
+    @Override
+    public void doWritePerformanceData(List<PmdataEntity> list) {
+  
+    }
+
+    @Override
+    public HtDatabaseClient getRawClient() {
+        return null;
+    }
+}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbDatabaseDataProvider.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbDatabaseDataProvider.java
new file mode 100644
index 000000000..e2ba9567e
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbDatabaseDataProvider.java
@@ -0,0 +1,244 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.dataprovider.database.nodb;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.DatabaseDataProvider;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMaintenance;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMediatorserver;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateNetworkElementConnectionOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.EntityInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.NetworkElementConnectionEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadCmlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadConnectionlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadEventlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultcurrentListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadGuiCutThroughEntryOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadInventoryListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMaintenanceListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMediatorServerListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadNetworkElementConnectionListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mDeviceListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mLtpListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hDeviceListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hLtpListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadStatusOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionOutputBuilder;
+
+public class NoDbDatabaseDataProvider implements DatabaseDataProvider {
+
+    private final HtUserdataManager usermanger;
+    private final HtDatabaseMediatorserver mediatorserver;
+    private final HtDatabaseMaintenance maintenance;
+    private final DataProvider dataprovider;
+    
+    public NoDbDatabaseDataProvider() {
+        this.usermanger = new NoDbHtUserdataManager();
+        this.mediatorserver = new NoDbHtDatabaseMediatorserver();
+        this.maintenance = new NoDbHtDatabaseMaintenance();
+        this.dataprovider = new NoDbDataProvider();
+    }
+    @Override
+    public HtDatabaseClient getRawClient() {
+        return null;
+    }
+
+    @Override
+    public ReadFaultcurrentListOutputBuilder readFaultCurrentList(EntityInput input) {
+        return new ReadFaultcurrentListOutputBuilder();
+    }
+
+    @Override
+    public ReadFaultlogListOutputBuilder readFaultLogList(EntityInput input) {
+        return new ReadFaultlogListOutputBuilder();
+    }
+
+    @Override
+    public ReadCmlogListOutputBuilder readCMLogList(EntityInput input) {
+        return new ReadCmlogListOutputBuilder();
+    }
+
+    @Override
+    public ReadMaintenanceListOutputBuilder readMaintenanceList(EntityInput input) {
+        return new ReadMaintenanceListOutputBuilder();
+    }
+
+    @Override
+    public ReadMediatorServerListOutputBuilder readMediatorServerList(EntityInput input) {
+        return new ReadMediatorServerListOutputBuilder();
+    }
+
+    @Override
+    public ReadNetworkElementConnectionListOutputBuilder readNetworkElementConnectionList(EntityInput input) {
+        return new ReadNetworkElementConnectionListOutputBuilder();
+    }
+
+    @Override
+    public ReadInventoryListOutputBuilder readInventoryList(EntityInput input) {
+        return new ReadInventoryListOutputBuilder();
+    }
+
+    @Override
+    public ReadConnectionlogListOutputBuilder readConnectionlogList(EntityInput input) {
+        return new ReadConnectionlogListOutputBuilder();
+    }
+
+    @Override
+    public ReadEventlogListOutputBuilder readEventlogList(EntityInput input) throws IOException {
+        return new ReadEventlogListOutputBuilder();
+    }
+
+    @Override
+    public ReadPmdata15mListOutputBuilder readPmdata15mList(EntityInput input) {
+        return new ReadPmdata15mListOutputBuilder();
+    }
+
+    @Override
+    public ReadPmdata24hListOutputBuilder readPmdata24hList(EntityInput input) {
+        return new ReadPmdata24hListOutputBuilder();
+    }
+
+    @Override
+    public ReadPmdata15mLtpListOutputBuilder readPmdata15mLtpList(EntityInput input) throws IOException {
+        return new ReadPmdata15mLtpListOutputBuilder();
+    }
+
+    @Override
+    public ReadPmdata15mDeviceListOutputBuilder readPmdata15mDeviceList(EntityInput input) throws IOException {
+        return new ReadPmdata15mDeviceListOutputBuilder();
+    }
+
+    @Override
+    public ReadPmdata24hLtpListOutputBuilder readPmdata24hLtpList(EntityInput input) throws IOException {
+        return new ReadPmdata24hLtpListOutputBuilder();
+    }
+
+    @Override
+    public ReadPmdata24hDeviceListOutputBuilder readPmdata24hDeviceList(EntityInput input) throws IOException {
+        return new ReadPmdata24hDeviceListOutputBuilder();
+    }
+
+    @Override
+    public ReadStatusOutputBuilder readStatus() throws IOException {
+        return new ReadStatusOutputBuilder();
+    }
+
+    @Override
+    public boolean waitForYellowDatabaseStatus(long timeout, TimeUnit unit) {
+        return true;
+    }
+
+    @Override
+    public CreateNetworkElementConnectionOutputBuilder createNetworkElementConnection(
+            NetworkElementConnectionEntity input) throws IOException {
+        return new CreateNetworkElementConnectionOutputBuilder();
+    }
+
+    @Override
+    public UpdateNetworkElementConnectionOutputBuilder updateNetworkElementConnection(
+            UpdateNetworkElementConnectionInput input) throws IOException {
+        return new UpdateNetworkElementConnectionOutputBuilder();
+    }
+
+    @Override
+    public DeleteNetworkElementConnectionOutputBuilder deleteNetworkElementConnection(
+            DeleteNetworkElementConnectionInput input) throws IOException {
+        return new DeleteNetworkElementConnectionOutputBuilder();
+    }
+
+    @Override
+    public DeleteMediatorServerOutputBuilder deleteMediatorServer(DeleteMediatorServerInput input) throws IOException {
+        return new DeleteMediatorServerOutputBuilder();
+    }
+
+    @Override
+    public DeleteMaintenanceOutputBuilder deleteMaintenance(DeleteMaintenanceInput input) throws IOException {
+        return new DeleteMaintenanceOutputBuilder();
+    }
+
+    @Override
+    public UpdateMaintenanceOutputBuilder updateMaintenance(UpdateMaintenanceInput input) throws IOException {
+        return new UpdateMaintenanceOutputBuilder();
+    }
+
+    @Override
+    public UpdateMediatorServerOutputBuilder updateMediatorServer(UpdateMediatorServerInput input) throws IOException {
+        return new UpdateMediatorServerOutputBuilder();
+    }
+
+    @Override
+    public CreateMaintenanceOutputBuilder createMaintenance(CreateMaintenanceInput input) throws IOException {
+        return new CreateMaintenanceOutputBuilder();
+    }
+
+    @Override
+    public CreateMediatorServerOutputBuilder createMediatorServer(CreateMediatorServerInput input) throws IOException {
+        return new CreateMediatorServerOutputBuilder();
+    }
+
+    @Override
+    public ReadGuiCutThroughEntryOutputBuilder readGuiCutThroughEntry(EntityInput input) {
+        return new ReadGuiCutThroughEntryOutputBuilder();
+    }
+
+    @Override
+    public DataProvider getDataProvider() {
+        return dataprovider;
+    }
+
+    @Override
+    public HtDatabaseMaintenance getHtDatabaseMaintenance() {
+        return this.maintenance;
+    }
+
+    @Override
+    public HtDatabaseMediatorserver getHtDatabaseMediatorServer() {
+        return this.mediatorserver;
+    }
+
+    @Override
+    public HtUserdataManager getUserManager() {
+        return this.usermanger;
+    }
+}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtDatabaseMaintenance.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtDatabaseMaintenance.java
new file mode 100644
index 000000000..7fbb2e3dc
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtDatabaseMaintenance.java
@@ -0,0 +1,57 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.dataprovider.database.nodb;
+
+import java.util.Arrays;
+import java.util.List;
+import org.eclipse.jdt.annotation.Nullable;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMaintenance;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.MaintenanceBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.MaintenanceEntity;
+
+public class NoDbHtDatabaseMaintenance implements HtDatabaseMaintenance {
+
+    @Override
+    public MaintenanceEntity createIfNotExists(String mountPointNodeName) {
+        return new MaintenanceBuilder().build();
+    }
+
+    @Override
+    public void deleteIfNotRequired(String mountPointNodeName) {
+        
+    }
+
+    @Override
+    public List<MaintenanceEntity> getAll() {
+        return Arrays.asList();
+    }
+
+    @Override
+    public MaintenanceEntity getMaintenance(@Nullable String mountpointName) {
+        return new MaintenanceBuilder().build();
+    }
+
+    @Override
+    public MaintenanceEntity setMaintenance(MaintenanceEntity m) {
+        return m;
+    }
+}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtDatabaseMediatorserver.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtDatabaseMediatorserver.java
new file mode 100644
index 000000000..9f25608a3
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtDatabaseMediatorserver.java
@@ -0,0 +1,36 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.dataprovider.database.nodb;
+
+import java.util.Arrays;
+import java.util.List;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMediatorserver;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.MediatorServerEntity;
+
+public class NoDbHtDatabaseMediatorserver implements HtDatabaseMediatorserver {
+
+    @Override
+    public List<MediatorServerEntity> getAll() {
+        return Arrays.asList();
+    }
+
+}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtUserdataManager.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtUserdataManager.java
new file mode 100644
index 000000000..0f50dda0a
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/nodb/NoDbHtUserdataManager.java
@@ -0,0 +1,58 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.dataprovider.database.nodb;
+
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
+
+public class NoDbHtUserdataManager implements HtUserdataManager {
+
+    @Override
+    public String getUserdata(String username) {
+        return "{}";
+    }
+
+    @Override
+    public String getUserdata(String username, String key) {
+        return "{}";
+    }
+
+    @Override
+    public boolean setUserdata(String username, String data) {
+        return true;
+    }
+
+    @Override
+    public boolean setUserdata(String username, String key, String data) {
+        return true;
+    }
+
+    @Override
+    public boolean removeUserdata(String username) {
+        return true;
+    }
+
+    @Override
+    public boolean removeUserdata(String username, String key) {
+        return true;
+    }
+
+}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/about/AboutHttpServlet.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/about/AboutHttpServlet.java
index 6eae55f04..40a46e6fb 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/about/AboutHttpServlet.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/about/AboutHttpServlet.java
@@ -23,6 +23,7 @@ package org.onap.ccsdk.features.sdnr.wt.dataprovider.http.about;
 
 import java.io.IOException;
 import java.net.URL;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -36,7 +37,7 @@ import javax.servlet.http.HttpServletResponse;
 import org.apache.http.HttpHeaders;
 import org.onap.ccsdk.features.sdnr.wt.common.Resources;
 import org.onap.ccsdk.features.sdnr.wt.common.file.PomFile;
-import org.onap.ccsdk.features.sdnr.wt.common.file.PomPropertiesFile;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.NetconfTimeStampImpl;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.FrameworkUtil;
@@ -115,12 +116,11 @@ public class AboutHttpServlet extends HttpServlet {
      * collect static versioning data
      */
     private void collectStaticData() {
-        PomPropertiesFile props = this.getPomProperties();
         final String ccsdkVersion = this.getPomParentVersion();
         final String mdsalVersion = SystemInfo.getMdSalVersion(UNKNOWN);
         this.data.put(PLACEHOLDER_ONAP_RELEASENAME, ODLVersionLUT.getONAPReleaseName(ccsdkVersion, UNKNOWN));
         this.data.put(PLACEHOLDER_ODL_RELEASENAME, ODLVersionLUT.getOdlVersion(mdsalVersion, UNKNOWN));
-        this.data.put(PLACEHOLDER_BUILD_TIMESTAMP, props != null ? String.valueOf(props.getBuildDate()) : "");
+        this.data.put(PLACEHOLDER_BUILD_TIMESTAMP, getDate(this.getManifestValue("Bnd-LastModified"), UNKNOWN));
         this.data.put(PLACEHOLDER_PACAKGE_VERSION, this.getManifestValue("Bundle-Version"));
         this.data.put(PLACEHOLDER_CCSDK_VERSION, ccsdkVersion);
         this.data.put(PLACEHOLDER_ONAP_RELEASEVERSION, SystemInfo.getOnapVersion(UNKNOWN));
@@ -129,6 +129,20 @@ public class AboutHttpServlet extends HttpServlet {
         this.data.put(PLACEHOLDER_PACKAGE_GITHASH, this.getGitHash(UNKNOWN));
     }
 
+    private String getDate(String value, String defaultValue) {
+        if(value==null) {
+            return defaultValue;
+        }
+        try {
+            long x = Long.parseLong(value);
+            return NetconfTimeStampImpl.getConverter().getTimeStampAsNetconfString(new Date(x));
+        }
+        catch(NumberFormatException e) {
+            LOG.debug("date value is not a numeric one");
+        }
+        return defaultValue;
+    }
+
     @Override
     protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 
@@ -217,27 +231,6 @@ public class AboutHttpServlet extends HttpServlet {
     }
 
     /**
-     * get object representation of /META-INF/maven/groupId/artifactId/pom.properties
-     *
-     * @return
-     */
-    private PomPropertiesFile getPomProperties() {
-        URL url = Resources.getUrlForRessource(AboutHttpServlet.class,
-                METAINF_MAVEN + groupId + "/" + artifactId + "/pom.properties");
-        PomPropertiesFile propfile;
-        if (url == null) {
-            return null;
-        }
-        try {
-            propfile = new PomPropertiesFile(url.openStream());
-            return propfile;
-        } catch (Exception e) {
-            LOG.warn(EXCEPTION_FORMAT_UNABLE_TO_READ_INNER_POMFILE, e);
-        }
-        return null;
-    }
-
-    /**
      * get parent pom version out of /META-INF/maven/groupId/artifactId/pom.xml
      *
      * @return
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderConfig.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderConfig.java
index 5e8dc92fc..950c8e919 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderConfig.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderConfig.java
@@ -32,6 +32,9 @@ public class DataProviderConfig implements Configuration {
     private static final String PROPERTY_KEY_DBTYPE = "dbType";
     private static final Object DEFAULT_DBTYPE = "${SDNRDBTYPE}";
     private static final SdnrDbType DEFAULT_DBTYPE_VALUE = SdnrDbType.ELASTICSEARCH;
+    private static final String PROPERTY_KEY_DBENABLED = "enabled";
+    private static final String DEFAULT_ISENABLED = "${SDNRDBENABLED}";
+    private static final boolean DEFAULT_ISENABLED_IFNOTSET = true;
     private final EsConfig esConfig;
     private final SqlDBConfig maridadbConfig;
     private ConfigurationFileRepresentation configuration;
@@ -51,10 +54,18 @@ public class DataProviderConfig implements Configuration {
         return this.maridadbConfig;
     }
 
+    public boolean isEnabled() {
+        final String s = this.configuration.getProperty(ConfigurationFileRepresentation.SECTIONNAME_ROOT, PROPERTY_KEY_DBENABLED);
+        if(s!= null && !s.isBlank()) {
+            return Boolean.getBoolean(s);
+        }
+        return DEFAULT_ISENABLED_IFNOTSET;
+    }
     @Override
     public void defaults() {
 
         configuration.setPropertyIfNotAvailable(this.getSectionName(), PROPERTY_KEY_DBTYPE, DEFAULT_DBTYPE);
+        configuration.setPropertyIfNotAvailable(this.getSectionName(), PROPERTY_KEY_DBENABLED, DEFAULT_ISENABLED);
     }
 
     @Override
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java
index 251ba90f2..41fee76ad 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java
@@ -39,6 +39,7 @@ import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.DatabaseDataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.elasticsearch.impl.ElasticSearchDataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.elasticsearch.impl.HtUserdataManagerImpl;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.nodb.NoDbDatabaseDataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb.data.SqlDBDataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.MsServlet;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
@@ -148,10 +149,15 @@ public class DataProviderServiceImpl implements DataProviderService, AutoCloseab
         this.dbConfig = new DataProviderConfig(configuration);
         this.dataBroker = dataBroker;
         this.mediatorServerServlet = mediatorServerServlet;
-        if (this.dbConfig.getDbType() == SdnrDbType.ELASTICSEARCH) {
-            this.dataProvider = new ElasticSearchDataProvider(this.dbConfig.getEsConfig());
-         } else {
-            this.dataProvider = new SqlDBDataProvider(this.dbConfig.getMariadbConfig());
+        if(this.dbConfig.isEnabled()) {
+            if (this.dbConfig.getDbType() == SdnrDbType.ELASTICSEARCH) {
+                this.dataProvider = new ElasticSearchDataProvider(this.dbConfig.getEsConfig());
+             } else {
+                this.dataProvider = new SqlDBDataProvider(this.dbConfig.getMariadbConfig());
+            }
+        }
+        else {
+            this.dataProvider = new NoDbDatabaseDataProvider();
         }
         this.dbUserManager = this.dataProvider.getUserManager();
         this.dataProvider.waitForYellowDatabaseStatus(DATABASE_TIMEOUT_MS, TimeUnit.MILLISECONDS);
@@ -159,6 +165,7 @@ public class DataProviderServiceImpl implements DataProviderService, AutoCloseab
         // Register ourselves as the REST API RPC implementation
         LOG.info("Register RPC Service {}", DataProviderServiceImpl.class.getSimpleName());
         this.rpcReg = rpcProviderService.registerRpcImplementation(DataProviderService.class, this);
+        
     }
 
     private void sendResyncCallbackToApiGateway() {