ad712847f12a129a29f9d3fe1fcf17c3ce1e9fca
[ccsdk/features.git] /
1 /*
2  * ============LICENSE_START=======================================================
3  * ONAP : ccsdk features
4  * ================================================================================
5  * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
6  * All rights reserved.
7  * ================================================================================
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  *     http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  * ============LICENSE_END=========================================================
20  *
21  */
22 package org.onap.ccsdk.features.sdnr.wt.dataprovider.impl;
23
24 import com.google.common.util.concurrent.ListenableFuture;
25 import java.io.IOException;
26 import java.io.PrintWriter;
27 import java.io.StringWriter;
28 import java.util.Arrays;
29 import java.util.Map;
30 import java.util.Optional;
31 import java.util.concurrent.ExecutionException;
32 import java.util.concurrent.TimeUnit;
33 import java.util.stream.Collectors;
34 import org.eclipse.jdt.annotation.NonNull;
35 import org.onap.ccsdk.features.sdnr.wt.common.configuration.ConfigurationFileRepresentation;
36 import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
37 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.DatabaseDataProvider;
38 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.elasticsearch.impl.ElasticSearchDataProvider;
39 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.elasticsearch.impl.HtUserdataManagerImpl;
40 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb.data.SqlDBDataProvider;
41 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.MsServlet;
42 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
43 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMaintenance;
44 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
45 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.IEsConfig;
46 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.SdnrDbType;
47 import org.opendaylight.mdsal.binding.api.DataBroker;
48 import org.opendaylight.mdsal.binding.api.RpcProviderService;
49 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.Keystore;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.keystore.entry.KeyCredential;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.keystore.entry.KeyCredentialKey;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceInput;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceOutput;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerInput;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerOutput;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateNetworkElementConnectionInput;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateNetworkElementConnectionOutput;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DataProviderService;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceInput;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceOutput;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerInput;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerOutput;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionInput;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionOutput;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadConnectionlogListInput;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadConnectionlogListOutput;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadEventlogListInput;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadEventlogListOutput;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultcurrentListInput;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultcurrentListOutput;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultlogListInput;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultlogListOutput;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadGuiCutThroughEntryInput;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadGuiCutThroughEntryOutput;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadInventoryListInput;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadInventoryListOutput;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMaintenanceListInput;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMaintenanceListOutput;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMediatorServerListInput;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMediatorServerListOutput;
82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadNetworkElementConnectionListInput;
83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadNetworkElementConnectionListOutput;
84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mDeviceListInput;
85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mDeviceListOutput;
86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mListInput;
87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mListOutput;
88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mLtpListInput;
89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mLtpListOutput;
90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hDeviceListInput;
91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hDeviceListOutput;
92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hListInput;
93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hListOutput;
94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hLtpListInput;
95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hLtpListOutput;
96 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadStatusInput;
97 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadStatusOutput;
98 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceInput;
99 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceOutput;
100 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerInput;
101 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerOutput;
102 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionInput;
103 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionOutput;
104 import org.opendaylight.yangtools.concepts.Builder;
105 import org.opendaylight.yangtools.concepts.ObjectRegistration;
106 import org.opendaylight.yangtools.yang.binding.DataObject;
107 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
108 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
109 import org.opendaylight.yangtools.yang.common.RpcResult;
110 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
111 import org.opendaylight.yangtools.yang.common.Uint32;
112 import org.opendaylight.yangtools.yang.common.Uint64;
113 import org.slf4j.Logger;
114 import org.slf4j.LoggerFactory;
115
116 public class DataProviderServiceImpl implements DataProviderService, AutoCloseable {
117
118     private static final Logger LOG = LoggerFactory.getLogger(DataProviderServiceImpl.class);
119     public static final String CONFIGURATIONFILE = "etc/dataprovider.properties";
120     private static final long DATABASE_TIMEOUT_MS = 120 * 1000L;
121     private static final @NonNull InstanceIdentifier<Keystore> KEYSTORE_IIF = InstanceIdentifier.create(Keystore.class);
122     private static final long DEFAULT_PAGESIZE = 20;
123     private static final long DEFAULT_PAGE = 1;
124
125     private final ObjectRegistration<@NonNull DataProviderServiceImpl> rpcReg;
126     private final DatabaseDataProvider dataProvider;
127     private final ConfigurationFileRepresentation configuration;
128     private final DataProviderConfig dbConfig;
129     private final HtUserdataManager dbUserManager;
130     private final DataBroker dataBroker;
131     private final MsServlet mediatorServerServlet;
132     public DataProviderServiceImpl(final RpcProviderService rpcProviderService, MsServlet mediatorServerServlet,
133             DataBroker dataBroker) throws Exception {
134         this.configuration = new ConfigurationFileRepresentation(CONFIGURATIONFILE);
135         this.dbConfig = new DataProviderConfig(configuration);
136         this.dataBroker = dataBroker;
137         this.mediatorServerServlet = mediatorServerServlet;
138         if (this.dbConfig.getDbType() == SdnrDbType.ELASTICSEARCH) {
139             this.dataProvider = new ElasticSearchDataProvider(this.dbConfig.getEsConfig());
140         } else {
141             this.dataProvider = new SqlDBDataProvider(this.dbConfig.getMariadbConfig());
142         }
143         this.dataProvider.waitForYellowDatabaseStatus(DATABASE_TIMEOUT_MS, TimeUnit.MILLISECONDS);
144         mediatorServerServlet.setDataProvider(this.dataProvider.getHtDatabaseMediatorServer());
145         this.dbUserManager = new HtUserdataManagerImpl(this.dataProvider.getRawClient());
146         // Register ourselves as the REST API RPC implementation
147         LOG.info("Register RPC Service " + DataProviderServiceImpl.class.getSimpleName());
148         this.rpcReg = rpcProviderService.registerRpcImplementation(DataProviderService.class, this);
149     }
150
151     private void sendResyncCallbackToApiGateway() {
152         this.mediatorServerServlet.triggerReloadSync();
153     }
154
155     /**
156      * @return dataProvider
157      */
158     public DataProvider getDataProvider() {
159         return dataProvider.getDataProvider();
160     }
161
162     public HtDatabaseClient getRawClient() {
163         return this.dataProvider.getRawClient();
164     }
165
166     /**
167      * @return data provider for Maintenance()
168      */
169     public HtDatabaseMaintenance getHtDatabaseMaintenance() {
170         return dataProvider.getHtDatabaseMaintenance();
171     }
172
173     /**
174      * @return configuration object
175      */
176     public IEsConfig getEsConfig() {
177         return dbConfig.getEsConfig();
178     }
179
180
181     @Override
182     public void close() throws Exception {
183         LOG.info("Close RPC Service");
184         if (rpcReg != null) {
185             rpcReg.close();
186         }
187     }
188
189     @Override
190     public ListenableFuture<RpcResult<ReadFaultcurrentListOutput>> readFaultcurrentList(
191             ReadFaultcurrentListInput input) {
192         LOG.debug("RPC Request: readFaultCurrentList with input {}", input);
193         RpcResultBuilder<ReadFaultcurrentListOutput> result =
194                 read(() -> DataProviderServiceImpl.this.dataProvider.readFaultCurrentList(input));
195         return result.buildFuture();
196     }
197
198     @Override
199     public ListenableFuture<RpcResult<ReadFaultlogListOutput>> readFaultlogList(ReadFaultlogListInput input) {
200         LOG.debug("RPC Request: readFaultlogList with input {}", input);
201         RpcResultBuilder<ReadFaultlogListOutput> result =
202                 read(() -> DataProviderServiceImpl.this.dataProvider.readFaultLogList(input));
203         return result.buildFuture();
204     }
205
206     @Override
207     public ListenableFuture<RpcResult<ReadMaintenanceListOutput>> readMaintenanceList(ReadMaintenanceListInput input) {
208         LOG.debug("RPC Request: readMaintenanceList with input {}", input);
209         RpcResultBuilder<ReadMaintenanceListOutput> result =
210                 read(() -> DataProviderServiceImpl.this.dataProvider.readMaintenanceList(input));
211         return result.buildFuture();
212     }
213
214     @Override
215     public ListenableFuture<RpcResult<ReadMediatorServerListOutput>> readMediatorServerList(
216             ReadMediatorServerListInput input) {
217         LOG.debug("RPC Request: readMediatorServerList with input {}", input);
218         RpcResultBuilder<ReadMediatorServerListOutput> result =
219                 read(() -> DataProviderServiceImpl.this.dataProvider.readMediatorServerList(input));
220         return result.buildFuture();
221     }
222
223     @Override
224     public ListenableFuture<RpcResult<ReadNetworkElementConnectionListOutput>> readNetworkElementConnectionList(
225             ReadNetworkElementConnectionListInput input) {
226         LOG.debug("RPC Request: readNetworkElementConnectionList with input {}", input);
227         RpcResultBuilder<ReadNetworkElementConnectionListOutput> result =
228                 read(() -> DataProviderServiceImpl.this.dataProvider.readNetworkElementConnectionList(input));
229         return result.buildFuture();
230
231     }
232
233     @Override
234     public ListenableFuture<RpcResult<ReadPmdata15mListOutput>> readPmdata15mList(ReadPmdata15mListInput input) {
235         LOG.debug("RPC Request: readPmdata15mList with input {}", input);
236         RpcResultBuilder<ReadPmdata15mListOutput> result =
237                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata15mList(input));
238         return result.buildFuture();
239
240     }
241
242     @Override
243     public ListenableFuture<RpcResult<ReadPmdata24hListOutput>> readPmdata24hList(ReadPmdata24hListInput input) {
244         LOG.debug("RPC Request: readPmdata24hList with input {}", input);
245         RpcResultBuilder<ReadPmdata24hListOutput> result =
246                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata24hList(input));
247         return result.buildFuture();
248
249     }
250
251     @Override
252     public ListenableFuture<RpcResult<ReadStatusOutput>> readStatus(ReadStatusInput input) {
253         LOG.debug("RPC Request: readStatusEntityList with input {}", input);
254         RpcResultBuilder<ReadStatusOutput> result = read(() -> DataProviderServiceImpl.this.dataProvider.readStatus());
255         return result.buildFuture();
256
257     }
258
259     @Override
260     public ListenableFuture<RpcResult<ReadInventoryListOutput>> readInventoryList(ReadInventoryListInput input) {
261         LOG.debug("RPC Request: readInventoryList with input {}", input);
262         RpcResultBuilder<ReadInventoryListOutput> result =
263                 read(() -> DataProviderServiceImpl.this.dataProvider.readInventoryList(input));
264         return result.buildFuture();
265     }
266
267     @Override
268     public ListenableFuture<RpcResult<ReadPmdata15mLtpListOutput>> readPmdata15mLtpList(
269             ReadPmdata15mLtpListInput input) {
270         LOG.debug("RPC Request: readPmdata15mLtpList with input {}", input);
271         RpcResultBuilder<ReadPmdata15mLtpListOutput> result =
272                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata15mLtpList(input));
273         return result.buildFuture();
274     }
275
276     @Override
277     public ListenableFuture<RpcResult<ReadPmdata15mDeviceListOutput>> readPmdata15mDeviceList(
278             ReadPmdata15mDeviceListInput input) {
279         LOG.debug("RPC Request: readPmdata15mDeviceList with input {}", input);
280         RpcResultBuilder<ReadPmdata15mDeviceListOutput> result =
281                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata15mDeviceList(input));
282         return result.buildFuture();
283     }
284
285     @Override
286     public ListenableFuture<RpcResult<ReadPmdata24hLtpListOutput>> readPmdata24hLtpList(
287             ReadPmdata24hLtpListInput input) {
288         LOG.debug("RPC Request: readPmdata24hLtpList with input {}", input);
289         RpcResultBuilder<ReadPmdata24hLtpListOutput> result =
290                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata24hLtpList(input));
291         return result.buildFuture();
292     }
293
294     @Override
295     public ListenableFuture<RpcResult<ReadPmdata24hDeviceListOutput>> readPmdata24hDeviceList(
296             ReadPmdata24hDeviceListInput input) {
297         LOG.debug("RPC Request: readPmdata24hDeviceList with input {}", input);
298         RpcResultBuilder<ReadPmdata24hDeviceListOutput> result =
299                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata24hDeviceList(input));
300         return result.buildFuture();
301     }
302
303     @Override
304     public ListenableFuture<RpcResult<ReadConnectionlogListOutput>> readConnectionlogList(
305             ReadConnectionlogListInput input) {
306         LOG.debug("RPC Request: readConnectionlogList with input {}", input);
307         RpcResultBuilder<ReadConnectionlogListOutput> result =
308                 read(() -> DataProviderServiceImpl.this.dataProvider.readConnectionlogList(input));
309         return result.buildFuture();
310     }
311
312     @Override
313     public ListenableFuture<RpcResult<CreateNetworkElementConnectionOutput>> createNetworkElementConnection(
314             CreateNetworkElementConnectionInput input) {
315         LOG.debug("RPC Request: createNetworkElementConnection with input {}", input);
316         RpcResultBuilder<CreateNetworkElementConnectionOutput> result =
317                 read(() -> DataProviderServiceImpl.this.dataProvider.createNetworkElementConnection(input));
318         return result.buildFuture();
319     }
320
321     @Override
322     public ListenableFuture<RpcResult<UpdateNetworkElementConnectionOutput>> updateNetworkElementConnection(
323             UpdateNetworkElementConnectionInput input) {
324         LOG.debug("RPC Request: updateNetworkElementConnection with input {}", input);
325         RpcResultBuilder<UpdateNetworkElementConnectionOutput> result =
326                 read(() -> DataProviderServiceImpl.this.dataProvider.updateNetworkElementConnection(input));
327         return result.buildFuture();
328     }
329
330     @Override
331     public ListenableFuture<RpcResult<DeleteNetworkElementConnectionOutput>> deleteNetworkElementConnection(
332             DeleteNetworkElementConnectionInput input) {
333         LOG.debug("RPC Request: deleteNetworkElementConnection with input {}", input);
334         RpcResultBuilder<DeleteNetworkElementConnectionOutput> result =
335                 read(() -> DataProviderServiceImpl.this.dataProvider.deleteNetworkElementConnection(input));
336         return result.buildFuture();
337     }
338
339     @Override
340     public ListenableFuture<RpcResult<DeleteMediatorServerOutput>> deleteMediatorServer(
341             DeleteMediatorServerInput input) {
342         LOG.debug("RPC Request: deleteMediatorServer with input {}", input);
343         RpcResultBuilder<DeleteMediatorServerOutput> result =
344                 read(() -> DataProviderServiceImpl.this.dataProvider.deleteMediatorServer(input));
345         this.sendResyncCallbackToApiGateway();
346         return result.buildFuture();
347     }
348
349     @Override
350     public ListenableFuture<RpcResult<CreateMediatorServerOutput>> createMediatorServer(
351             CreateMediatorServerInput input) {
352         LOG.debug("RPC Request: createMediatorServer with input {}", input);
353         RpcResultBuilder<CreateMediatorServerOutput> result =
354                 read(() -> DataProviderServiceImpl.this.dataProvider.createMediatorServer(input));
355         this.sendResyncCallbackToApiGateway();
356         return result.buildFuture();
357     }
358
359     @Override
360     public ListenableFuture<RpcResult<CreateMaintenanceOutput>> createMaintenance(CreateMaintenanceInput input) {
361         LOG.debug("RPC Request: createMaintenance with input {}", input);
362         RpcResultBuilder<CreateMaintenanceOutput> result =
363                 read(() -> DataProviderServiceImpl.this.dataProvider.createMaintenance(input));
364         return result.buildFuture();
365     }
366
367     @Override
368     public ListenableFuture<RpcResult<DeleteMaintenanceOutput>> deleteMaintenance(DeleteMaintenanceInput input) {
369         LOG.debug("RPC Request: deleteMaintenance with input {}", input);
370         RpcResultBuilder<DeleteMaintenanceOutput> result =
371                 read(() -> DataProviderServiceImpl.this.dataProvider.deleteMaintenance(input));
372         return result.buildFuture();
373     }
374
375     @Override
376     public ListenableFuture<RpcResult<UpdateMediatorServerOutput>> updateMediatorServer(
377             UpdateMediatorServerInput input) {
378         LOG.debug("RPC Request: updateMediatorServer with input {}", input);
379         RpcResultBuilder<UpdateMediatorServerOutput> result =
380                 read(() -> DataProviderServiceImpl.this.dataProvider.updateMediatorServer(input));
381         this.sendResyncCallbackToApiGateway();
382         return result.buildFuture();
383     }
384
385     @Override
386     public ListenableFuture<RpcResult<UpdateMaintenanceOutput>> updateMaintenance(UpdateMaintenanceInput input) {
387         LOG.debug("RPC Request: updateMaintenance with input {}", input);
388         RpcResultBuilder<UpdateMaintenanceOutput> result =
389                 read(() -> DataProviderServiceImpl.this.dataProvider.updateMaintenance(input));
390         return result.buildFuture();
391     }
392
393     @Override
394     public ListenableFuture<RpcResult<ReadEventlogListOutput>> readEventlogList(ReadEventlogListInput input) {
395         LOG.debug("RPC Request: readEventlogList with input {}", input);
396         RpcResultBuilder<ReadEventlogListOutput> result =
397                 read(() -> DataProviderServiceImpl.this.dataProvider.readEventlogList(input));
398         return result.buildFuture();
399     }
400
401     @Override
402     public ListenableFuture<RpcResult<ReadGuiCutThroughEntryOutput>> readGuiCutThroughEntry(
403             ReadGuiCutThroughEntryInput input) {
404         LOG.debug("RPC Request: getGuiCutThroughEntry with input {}", input);
405         RpcResultBuilder<ReadGuiCutThroughEntryOutput> result =
406                 read(() -> DataProviderServiceImpl.this.dataProvider.readGuiCutThroughEntry(input));
407         return result.buildFuture();
408     }
409
410     private static String assembleExceptionMessage(Exception e) {
411         StringWriter sw = new StringWriter();
412         PrintWriter pw = new PrintWriter(sw);
413         e.printStackTrace(pw);
414
415         StringBuffer buf = new StringBuffer();
416         buf.append("Exception: ");
417         buf.append(sw.toString());
418         return buf.toString();
419     }
420
421     private interface GetEntityInput<O extends DataObject> {
422         Builder<O> get() throws IOException;
423     }
424
425     private static <O extends DataObject, I extends DataObject> RpcResultBuilder<O> read(
426             GetEntityInput<O> inputgetter) {
427         RpcResultBuilder<O> result;
428         try {
429             Builder<O> outputBuilder = inputgetter.get();
430             result = RpcResultBuilder.success(outputBuilder);
431         } catch (Exception e) {
432             LOG.info("Exception", e);
433             result = RpcResultBuilder.failed();
434             result.withError(ErrorType.APPLICATION, assembleExceptionMessage(e));
435         }
436         return result;
437     }
438
439     public HtUserdataManager getHtDatabaseUserManager() {
440         return this.dbUserManager;
441     }
442
443
444
445 }