asdctool/src/main/java/org/openecomp/sdc/asdctool/migration/tasks/mig1806/SdcArchiveMigration.java

   1 package org.openecomp.sdc.asdctool.migration.tasks.mig1806;
   2
   3 import fj.data.Either;
   4 import org.openecomp.sdc.asdctool.migration.core.DBVersion;
   5 import org.openecomp.sdc.asdctool.migration.core.task.Migration;
   6 import org.openecomp.sdc.asdctool.migration.core.task.MigrationResult;
   7 import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
   8 import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
   9 import org.openecomp.sdc.be.dao.jsongraph.JanusGraphDao;
  10 import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
  11 import org.openecomp.sdc.be.dao.jsongraph.utils.IdBuilderUtils;
  12 import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
  13 import org.openecomp.sdc.common.log.wrappers.Logger;
  14 import org.springframework.stereotype.Component;
  15
  16 import java.math.BigInteger;
  17
  18 @Component
  19 public class SdcArchiveMigration implements Migration {
  20     private static final Logger logger = Logger.getLogger(SdcArchiveMigration.class);
  21
  22     private JanusGraphDao janusGraphDao;
  23
  24     public SdcArchiveMigration(JanusGraphDao janusGraphDao) {
  25         this.janusGraphDao = janusGraphDao;
  26     }
  27
  28     @Override
  29     public String description() {
  30         return "add archive node for archiving/restoring components ";
  31     }
  32
  33     @Override
  34     public DBVersion getVersion() {
  35         return DBVersion.from(BigInteger.valueOf(1806), BigInteger.valueOf(0));
  36     }
  37
  38     @Override
  39     public MigrationResult migrate() {
  40         JanusGraphOperationStatus status = null;
  41         try {
  42             status = getOrCreateArchiveRoot();
  43             return status == JanusGraphOperationStatus.OK ? MigrationResult.success() : MigrationResult.error("failed to create archive root node. error: " + status);
  44         } finally {
  45             commitOrRollBack(status);
  46         }
  47     }
  48
  49     private void commitOrRollBack(JanusGraphOperationStatus status) {
  50         if (status == JanusGraphOperationStatus.OK) {
  51             janusGraphDao.commit();
  52         } else {
  53             janusGraphDao.rollback();
  54         }
  55     }
  56
  57     private JanusGraphOperationStatus getOrCreateArchiveRoot() {
  58         logger.info("creating or getting catalog archive vertex");
  59         return janusGraphDao.getVertexByLabel(VertexTypeEnum.ARCHIVE_ROOT)
  60                 .either(v -> JanusGraphOperationStatus.OK, s -> this.createRootArchiveVertex());
  61     }
  62
  63     private JanusGraphOperationStatus createRootArchiveVertex() {
  64         GraphVertex archiveRootVertex = new GraphVertex(VertexTypeEnum.ARCHIVE_ROOT);
  65         archiveRootVertex.setUniqueId(IdBuilderUtils.generateUniqueId());
  66         archiveRootVertex.addMetadataProperty(GraphPropertyEnum.LABEL, VertexTypeEnum.ARCHIVE_ROOT);
  67         archiveRootVertex.addMetadataProperty(GraphPropertyEnum.UNIQUE_ID, archiveRootVertex.getUniqueId());
  68
  69         logger.info("Creating root archive vertex {}", archiveRootVertex.getUniqueId());
  70
  71         final Either<GraphVertex, JanusGraphOperationStatus> vertexE = janusGraphDao.createVertex(archiveRootVertex);
  72
  73         return vertexE.isLeft() ? JanusGraphOperationStatus.OK : vertexE.right().value();
  74     }
  75
  76 }