sliapi/provider/src/main/java/org/openecomp/sdnc/sliapi/sliapiProvider.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * openECOMP : SDN-C
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
   6  *                                              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.openecomp.sdnc.sliapi;
  23
  24 import java.util.Enumeration;
  25 import java.util.LinkedList;
  26 import java.util.Properties;
  27 import java.util.concurrent.Future;
  28
  29 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  30 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  31 import org.opendaylight.controller.md.sal.binding.impl.AbstractForwardedDataBroker;
  32 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  33 import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
  34 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  35 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  36 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  37 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  38 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  39 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  40 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.ExecuteGraphInput;
  41 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.ExecuteGraphInput.Mode;
  42 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.ExecuteGraphInputBuilder;
  43 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.ExecuteGraphOutput;
  44 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.ExecuteGraphOutputBuilder;
  45 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.HealthcheckOutput;
  46 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.HealthcheckOutputBuilder;
  47 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.SLIAPIService;
  48 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.TestResults;
  49 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.execute.graph.input.SliParameter;
  50 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.test.results.TestResult;
  51 import org.opendaylight.yang.gen.v1.org.openecomp.sdnc.sliapi.rev161110.test.results.TestResultBuilder;
  52 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  53 import org.opendaylight.yangtools.yang.common.QName;
  54 import org.opendaylight.yangtools.yang.common.RpcResult;
  55 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  56 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  57 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  58 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  59 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
  60 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  61 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
  62 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  63 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  64 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetEntryNodeBuilder;
  65 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafSetNodeBuilder;
  66 import org.openecomp.sdnc.sli.provider.SvcLogicService;
  67 import org.osgi.framework.BundleContext;
  68 import org.osgi.framework.FrameworkUtil;
  69 import org.osgi.framework.ServiceReference;
  70 import org.slf4j.Logger;
  71 import org.slf4j.LoggerFactory;
  72
  73 import com.google.common.util.concurrent.Futures;
  74
  75
  76 /**
  77  * Defines a base implementation for your provider. This class extends from a helper class
  78  * which provides storage for the most commonly used components of the MD-SAL. Additionally the
  79  * base class provides some basic logging and initialization / clean up methods.
  80  *
  81  * To use this, copy and paste (overwrite) the following method into the TestApplicationProviderModule
  82  * class which is auto generated under src/main/java in this project
  83  * (created only once during first compilation):
  84  *
  85  * <pre>
  86
  87     @Override
  88     public java.lang.AutoCloseable createInstance() {
  89
  90          final sliapiProvider provider = new sliapiProvider();
  91          provider.setDataBroker( getDataBrokerDependency() );
  92          provider.setNotificationService( getNotificationServiceDependency() );
  93          provider.setRpcRegistry( getRpcRegistryDependency() );
  94          provider.initialize();
  95          return new AutoCloseable() {
  96
  97             @Override
  98             public void close() throws Exception {
  99                 //TODO: CLOSE ANY REGISTRATION OBJECTS CREATED USING ABOVE BROKER/NOTIFICATION
 100                 //SERVIE/RPC REGISTRY
 101                 provider.close();
 102             }
 103         };
 104     }
 105
 106
 107     </pre>
 108  */
 109 public class sliapiProvider implements AutoCloseable, SLIAPIService{
 110
 111     private final Logger LOG = LoggerFactory.getLogger( sliapiProvider.class );
 112     private final String appName = "slitester";
 113
 114     protected DataBroker dataBroker;
 115     protected DOMDataBroker domDataBroker;
 116     protected NotificationProviderService notificationService;
 117     protected RpcProviderRegistry rpcRegistry;
 118
 119         protected BindingAwareBroker.RpcRegistration<SLIAPIService> rpcRegistration;
 120
 121         private static String SLIAPI_NAMESPACE = "org:openecomp:sdnc:sliapi";
 122         private static String SLIAPI_REVISION = "2016-11-10";
 123
 124         private static QName TEST_RESULTS_QNAME = null;
 125         private static QName TEST_RESULT_QNAME = null;
 126         private static QName TEST_ID_QNAME = null;
 127         private static QName RESULTS_QNAME = null;
 128
 129         static {
 130
 131                 TEST_RESULTS_QNAME = QName.create(SLIAPI_NAMESPACE, SLIAPI_REVISION, "test-results");
 132                 TEST_RESULT_QNAME = QName.create(TEST_RESULTS_QNAME, "test-result");
 133                 TEST_ID_QNAME = QName.create(TEST_RESULT_QNAME, "test-identifier");
 134                 RESULTS_QNAME = QName.create(TEST_RESULT_QNAME, "results");
 135         }
 136
 137
 138     public sliapiProvider() {
 139         this.LOG.info( "Creating provider for " + appName );
 140     }
 141
 142     public void initialize(){
 143         LOG.info( "Initializing provider for " + appName );
 144         //initialization code goes here.
 145
 146                 rpcRegistration = rpcRegistry.addRpcImplementation(SLIAPIService.class, this);
 147         LOG.info( "Initialization complete for " + appName );
 148     }
 149
 150     protected void initializeChild() {
 151         //Override if you have custom initialization intelligence
 152     }
 153
 154     @Override
 155     public void close() throws Exception {
 156         LOG.info( "Closing provider for " + appName );
 157         //closing code goes here
 158
 159             rpcRegistration.close();
 160         LOG.info( "Successfully closed provider for " + appName );
 161     }
 162
 163     public void setDataBroker(DataBroker dataBroker) {
 164         this.dataBroker = dataBroker;
 165                 if (dataBroker instanceof AbstractForwardedDataBroker) {
 166                         domDataBroker = ((AbstractForwardedDataBroker) dataBroker).getDelegate();
 167                 }
 168         if( LOG.isDebugEnabled() ){
 169             LOG.debug( "DataBroker set to " + (dataBroker==null?"null":"non-null") + "." );
 170         }
 171     }
 172
 173     public void setNotificationService(
 174             NotificationProviderService notificationService) {
 175         this.notificationService = notificationService;
 176         if( LOG.isDebugEnabled() ){
 177             LOG.debug( "Notification Service set to " + (notificationService==null?"null":"non-null") + "." );
 178         }
 179     }
 180
 181     public void setRpcRegistry(RpcProviderRegistry rpcRegistry) {
 182         this.rpcRegistry = rpcRegistry;
 183         if( LOG.isDebugEnabled() ){
 184             LOG.debug( "RpcRegistry set to " + (rpcRegistry==null?"null":"non-null") + "." );
 185         }
 186     }
 187
 188         @Override
 189         public Future<RpcResult<ExecuteGraphOutput>> executeGraph(ExecuteGraphInput input) {
 190                 RpcResult<ExecuteGraphOutput> rpcResult = null;
 191
 192                 SvcLogicService svcLogic = getSvcLogicService();
 193                 ExecuteGraphOutputBuilder respBuilder = new ExecuteGraphOutputBuilder();
 194
 195                 String calledModule = input.getModuleName();
 196                 String calledRpc = input.getRpcName();
 197                 Mode calledMode = input.getMode();
 198                 String modeStr = "sync";
 199
 200                 if (calledMode == Mode.Async) {
 201                         modeStr = "async";
 202                 }
 203
 204                 if (svcLogic == null) {
 205                         respBuilder.setResponseCode("500");
 206                         respBuilder.setResponseMessage("Could not locate OSGi SvcLogicService service");
 207                         respBuilder.setAckFinalIndicator("Y");
 208
 209                     rpcResult = RpcResultBuilder.<ExecuteGraphOutput> status(true).withResult(respBuilder.build()).build();
 210                     return(Futures.immediateFuture(rpcResult));
 211                 }
 212
 213
 214                 try {
 215                         if (!svcLogic.hasGraph(calledModule, calledRpc, null, modeStr)) {
 216                                 respBuilder.setResponseCode("404");
 217                                 respBuilder.setResponseMessage("Directed graph for "+calledModule+"/"+calledRpc+"/"+modeStr+" not found");
 218                                 respBuilder.setAckFinalIndicator("Y");
 219
 220                             rpcResult = RpcResultBuilder.<ExecuteGraphOutput> status(true).withResult(respBuilder.build()).build();
 221                             return(Futures.immediateFuture(rpcResult));
 222                         }
 223                 } catch (Exception e) {
 224                         LOG.error("Caught exception looking for directed graph for "+calledModule+"/"+calledRpc+"/"+modeStr, e);
 225
 226                         respBuilder.setResponseCode("500");
 227                         respBuilder.setResponseMessage("Internal error : could not determine if target graph exists");
 228                         respBuilder.setAckFinalIndicator("Y");
 229
 230                     rpcResult = RpcResultBuilder.<ExecuteGraphOutput> status(true).withResult(respBuilder.build()).build();
 231                     return(Futures.immediateFuture(rpcResult));
 232                 }
 233
 234                 // Load properties
 235                 Properties parms = new Properties();
 236
 237                 // Pass properties using names from sli-parameters
 238                 for (SliParameter sliParm : input.getSliParameter()) {
 239
 240                         String propValue = "";
 241
 242                         Boolean boolval = sliParm.isBooleanValue();
 243
 244                         if (boolval != null) {
 245                                 propValue = boolval.toString();
 246                         } else {
 247                                 Integer intval = sliParm.getIntValue();
 248                                 if (intval != null) {
 249                                         propValue = intval.toString();
 250                                 } else {
 251                                         propValue = sliParm.getStringValue();
 252                                         if (propValue == null) {
 253                                                 propValue = "";
 254                                         }
 255                                 }
 256                         }
 257                         parms.setProperty(sliParm.getParameterName(), propValue);
 258                 }
 259
 260                 // Also, pass "meta" properties (i.e. pass SliParameter objects themselves)
 261                 ExecuteGraphInputBuilder inputBuilder = new ExecuteGraphInputBuilder(input);
 262
 263                 SliapiHelper.toProperties(parms, "input", inputBuilder);
 264
 265                 try {
 266                         LOG.info("Calling directed graph for "+calledModule+"/"+calledRpc+"/"+modeStr);
 267
 268                         if (LOG.isTraceEnabled()) {
 269                                 StringBuffer argList = new StringBuffer();
 270                                 argList.append("Parameters : {");
 271                                 Enumeration e = parms.propertyNames();
 272                                 while (e.hasMoreElements()) {
 273                                         String propName = (String) e.nextElement();
 274                                         argList.append(" ("+propName+","+parms.getProperty(propName)+") ");
 275                                 }
 276                                 argList.append("}");
 277                                 LOG.trace(argList.toString());
 278                                 argList = null;
 279                         }
 280
 281
 282
 283                         Properties respProps = svcLogic.execute(calledModule, calledRpc,
 284                                         null, modeStr, parms, domDataBroker);
 285
 286                         StringBuilder sb = new StringBuilder("{");
 287
 288                         for (Object key : respProps.keySet()) {
 289                                 String keyValue = (String) key;
 290                                 if (keyValue != null && !"".equals(keyValue) && !keyValue.contains("input.sli-parameter")) {
 291                                         sb.append("\"").append(keyValue).append("\": \"").append(respProps.getProperty(keyValue)).append("\",");
 292                                 }
 293                         }
 294
 295                         sb.setLength(sb.length() - 1);
 296                         sb.append("}");
 297
 298                         respBuilder.setResponseCode(respProps.getProperty("error-code", "0"));
 299                         respBuilder.setResponseMessage(respProps.getProperty("error-message", ""));// TODO change response-text to response-message to match other BVC APIs
 300                         respBuilder.setAckFinalIndicator(respProps.getProperty("ack-final", "Y"));
 301                         respBuilder.setContextMemoryJson(sb.toString());
 302
 303                         TestResultBuilder testResultBuilder = new TestResultBuilder();
 304
 305                         SliapiHelper.toBuilder(respProps, testResultBuilder);
 306
 307                         String testIdentifier = testResultBuilder.getTestIdentifier();
 308
 309                         if ((testIdentifier != null) && (testIdentifier.length() > 0)) {
 310
 311                                 // Add test results to config tree
 312                                 LOG.debug("Saving test results for test id "+testIdentifier);
 313
 314                                 DomSaveTestResult(testResultBuilder.build(), true, LogicalDatastoreType.CONFIGURATION);
 315
 316                         }
 317
 318                 } catch (Exception e) {
 319                         LOG.error("Caught exception executing directed graph for"
 320                                         + calledModule + ":" + calledRpc + "," + modeStr + ">", e);
 321
 322                         respBuilder.setResponseCode("500");
 323                         respBuilder
 324                                         .setResponseMessage("Internal error : caught exception executing directed graph "
 325                                                         + calledModule
 326                                                         + "/"
 327                                                         + calledRpc
 328                                                         + "/"
 329                                                         + modeStr);
 330                         respBuilder.setAckFinalIndicator("Y");
 331
 332                 }
 333
 334                 rpcResult = RpcResultBuilder.<ExecuteGraphOutput> status(true)
 335                                 .withResult(respBuilder.build()).build();
 336                 return (Futures.immediateFuture(rpcResult));
 337         }
 338
 339
 340         private SvcLogicService getSvcLogicService() {
 341                 BundleContext bctx = FrameworkUtil.getBundle(SvcLogicService.class).getBundleContext();
 342
 343                 SvcLogicService svcLogic = null;
 344
 345         // Get SvcLogicService reference
 346                 ServiceReference sref = bctx.getServiceReference(SvcLogicService.NAME);
 347                 if (sref  != null)
 348                 {
 349                         svcLogic =  (SvcLogicService) bctx.getService(sref);
 350
 351                 }
 352                 else
 353                 {
 354                         LOG.warn("Cannot find service reference for "+SvcLogicService.NAME);
 355
 356                 }
 357
 358                 return(svcLogic);
 359         }
 360
 361         @Override
 362         public Future<RpcResult<HealthcheckOutput>> healthcheck() {
 363
 364                 RpcResult<HealthcheckOutput> rpcResult = null;
 365                 SvcLogicService svcLogic = getSvcLogicService();
 366
 367                 HealthcheckOutputBuilder respBuilder = new HealthcheckOutputBuilder();
 368
 369                 String calledModule = "sli";
 370                 String calledRpc = "healthcheck";
 371                 String modeStr = "sync";
 372
 373                 if (svcLogic == null) {
 374                         respBuilder.setResponseCode("500");
 375                         respBuilder.setResponseMessage("Could not locate OSGi SvcLogicService service");
 376                         respBuilder.setAckFinalIndicator("Y");
 377
 378                     rpcResult = RpcResultBuilder.<HealthcheckOutput> failed().withResult(respBuilder.build()).build();
 379                     return(Futures.immediateFuture(rpcResult));
 380                 }
 381
 382                 try {
 383                         if (!svcLogic.hasGraph(calledModule, calledRpc, null, modeStr)) {
 384                                 respBuilder.setResponseCode("404");
 385                                 respBuilder.setResponseMessage("Directed graph for "+calledModule+"/"+calledRpc+"/"+modeStr+" not found");
 386
 387                                 respBuilder.setAckFinalIndicator("Y");
 388
 389                             rpcResult = RpcResultBuilder.<HealthcheckOutput> status(true).withResult(respBuilder.build()).build();
 390                             return(Futures.immediateFuture(rpcResult));
 391                         }
 392                 } catch (Exception e) {
 393                         LOG.error("Caught exception looking for directed graph for "+calledModule+"/"+calledRpc+"/"+modeStr, e);
 394
 395                         respBuilder.setResponseCode("500");
 396                         respBuilder.setResponseMessage("Internal error : could not determine if target graph exists");
 397                         respBuilder.setAckFinalIndicator("Y");
 398
 399                     rpcResult = RpcResultBuilder.<HealthcheckOutput> failed().withResult(respBuilder.build()).build();
 400                     return(Futures.immediateFuture(rpcResult));
 401                 }
 402
 403                 try {
 404                         LOG.info("Calling directed graph for "+calledModule+"/"+calledRpc+"/"+modeStr);
 405
 406                         Properties parms = new Properties();
 407
 408                         Properties respProps = svcLogic.execute(calledModule, calledRpc,
 409                                         null, modeStr, parms);
 410
 411                         respBuilder.setResponseCode(respProps.getProperty("error-code", "0"));
 412                         respBuilder.setResponseMessage(respProps.getProperty("error-message", ""));
 413                         respBuilder.setAckFinalIndicator(respProps.getProperty("ack-final", "Y"));
 414
 415                 } catch (Exception e) {
 416                         LOG.error("Caught exception executing directed graph for"
 417                                         + calledModule + ":" + calledRpc + "," + modeStr + ">", e);
 418
 419                         respBuilder.setResponseCode("500");
 420                         respBuilder
 421                                         .setResponseMessage("Internal error : caught exception executing directed graph "
 422                                                         + calledModule
 423                                                         + "/"
 424                                                         + calledRpc
 425                                                         + "/"
 426                                                         + modeStr);
 427                         respBuilder.setAckFinalIndicator("Y");
 428
 429                 }
 430
 431                 rpcResult = RpcResultBuilder.<HealthcheckOutput> status(true)
 432                                 .withResult(respBuilder.build()).build();
 433                 return (Futures.immediateFuture(rpcResult));
 434         }
 435
 436         private void DomSaveTestResult(final TestResult entry, boolean merge, LogicalDatastoreType storeType) {
 437
 438
 439                 if (domDataBroker == null) {
 440                         LOG.error("domDataBroker unset - cannot save test result using DOMDataBroker");
 441                         return;
 442                 }
 443
 444                 MapEntryNode resultNode = null;
 445
 446                 try {
 447                         resultNode = toMapEntryNode(entry);
 448                 } catch (Exception e) {
 449                         LOG.error("Caught exception trying to create map entry node", e);
 450                 }
 451
 452                 if (resultNode == null) {
 453                         LOG.error("Could not convert entry to MapEntryNode");
 454                         return;
 455                 }
 456
 457
 458                 YangInstanceIdentifier testResultsPid = YangInstanceIdentifier.builder().node(TEST_RESULTS_QNAME).node(QName.create(TEST_RESULTS_QNAME, "test-result")).build();
 459                 YangInstanceIdentifier testResultPid = testResultsPid.node(new NodeIdentifierWithPredicates(TEST_RESULT_QNAME, resultNode.getIdentifier().getKeyValues()));
 460
 461
 462
 463                 int tries = 2;
 464                 while(true) {
 465                         try {
 466                                 DOMDataWriteTransaction wtx = domDataBroker.newWriteOnlyTransaction();
 467                                 if (merge) {
 468                                         LOG.info("Merging test identifier "+entry.getTestIdentifier());
 469                                         wtx.merge(storeType, testResultPid, resultNode);
 470                                 } else {
 471                                         LOG.info("Putting test identifier "+entry.getTestIdentifier());
 472                                         wtx.put(storeType,  testResultPid, resultNode);
 473                                 }
 474                                 wtx.submit().checkedGet();
 475                                 LOG.trace("Update DataStore succeeded");
 476                                 break;
 477                         } catch (final TransactionCommitFailedException e) {
 478                                 if(e instanceof OptimisticLockFailedException) {
 479                                         if(--tries <= 0) {
 480                                                 LOG.trace("Got OptimisticLockFailedException on last try - failing ");
 481                                                 throw new IllegalStateException(e);
 482                                         }
 483                                         LOG.trace("Got OptimisticLockFailedException - trying again ");
 484                                 } else {
 485                                         LOG.trace("Update DataStore failed");
 486                                         throw new IllegalStateException(e);
 487                                 }
 488                         }
 489                 }
 490
 491         }
 492
 493                 private void SaveTestResult(final TestResult entry, boolean merge, LogicalDatastoreType storeType) throws IllegalStateException
 494                 {
 495                         // Each entry will be identifiable by a unique key, we have to create that identifier
 496                         InstanceIdentifier.InstanceIdentifierBuilder<TestResult> testResultIdBuilder =
 497                                         InstanceIdentifier.<TestResults>builder(TestResults.class)
 498                                         .child(TestResult.class, entry.getKey());
 499                         InstanceIdentifier<TestResult> path = testResultIdBuilder.toInstance();
 500                         int tries = 2;
 501                         while(true) {
 502                                 try {
 503                                         WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
 504                                         if (merge) {
 505                                                 tx.merge(storeType, path, entry);
 506                                         } else {
 507                                                 tx.put(storeType, path, entry);
 508                                         }
 509                                         tx.submit().checkedGet();
 510                                         LOG.trace("Update DataStore succeeded");
 511                                         break;
 512                                 } catch (final TransactionCommitFailedException e) {
 513                                         if(e instanceof OptimisticLockFailedException) {
 514                                                 if(--tries <= 0) {
 515                                                         LOG.trace("Got OptimisticLockFailedException on last try - failing ");
 516                                                         throw new IllegalStateException(e);
 517                                                 }
 518                                                 LOG.trace("Got OptimisticLockFailedException - trying again ");
 519                                         } else {
 520                                                 LOG.trace("Update DataStore failed");
 521                                                 throw new IllegalStateException(e);
 522                                         }
 523                                 }
 524                         }
 525                 }
 526
 527                 private MapEntryNode toMapEntryNode(TestResult testResult) {
 528
 529
 530                         YangInstanceIdentifier testResultId = YangInstanceIdentifier.builder().node(TEST_RESULTS_QNAME).node(TEST_RESULT_QNAME).build();
 531
 532                         // Construct results list
 533                         LinkedList<LeafSetEntryNode<Object>> entryList = new LinkedList<LeafSetEntryNode<Object>>();
 534                         for (String result : testResult.getResults()) {
 535                                 LeafSetEntryNode<Object> leafSetEntryNode = ImmutableLeafSetEntryNodeBuilder.create()
 536                                                                                                                                                                 .withNodeIdentifier(new NodeWithValue(RESULTS_QNAME, result))
 537                                                                                                                                                                 .withValue(result)
 538                                                                                                                                                                 .build();
 539                                 entryList.add(leafSetEntryNode);
 540                         }
 541                         // Construct results LeafSetNode
 542                         LeafSetNode<?> resultsNode = ImmutableLeafSetNodeBuilder.create().withNodeIdentifier(new NodeIdentifier(RESULTS_QNAME)).withValue(entryList).build();
 543
 544
 545
 546                         // Construct test result ContainerNode with 2 children - test-identifier leaf and results leaf-set
 547                         MapEntryNode testResultNode = ImmutableNodes.mapEntryBuilder()
 548                                         .withNodeIdentifier(new NodeIdentifierWithPredicates(TEST_RESULT_QNAME, TEST_ID_QNAME, testResult.getTestIdentifier()))
 549                                         .withChild(ImmutableNodes.leafNode(TEST_ID_QNAME, testResult.getTestIdentifier()))
 550                                         .withChild(resultsNode)
 551                                         .build();
 552
 553                         return(testResultNode);
 554
 555                 }
 556
 557 }