asdctool/src/main/java/org/openecomp/sdc/asdctool/migration/dao/MigrationTasksDao.java

   1 package org.openecomp.sdc.asdctool.migration.dao;
   2
   3 import com.datastax.driver.core.ResultSet;
   4 import com.datastax.driver.core.Row;
   5 import com.datastax.driver.core.Session;
   6 import com.datastax.driver.mapping.Mapper;
   7 import com.datastax.driver.mapping.MappingManager;
   8 import fj.data.Either;
   9 import org.apache.commons.lang3.tuple.ImmutablePair;
  10 import org.openecomp.sdc.be.dao.cassandra.CassandraDao;
  11 import org.openecomp.sdc.be.dao.cassandra.CassandraOperationStatus;
  12 import org.openecomp.sdc.be.resources.data.MigrationTaskEntry;
  13 import org.openecomp.sdc.be.resources.data.auditing.AuditingTypesConstants;
  14 import org.openecomp.sdc.common.log.wrappers.Logger;
  15
  16 import javax.annotation.PostConstruct;
  17 import java.math.BigInteger;
  18
  19 public class MigrationTasksDao extends CassandraDao {
  20
  21     private static Logger logger = Logger.getLogger(MigrationTasksDao.class.getName());
  22     private MigrationTasksAccessor migrationTasksAccessor;
  23     private Mapper<MigrationTaskEntry> migrationTaskMapper;
  24
  25     @PostConstruct
  26     public void init() {
  27         String keyspace = AuditingTypesConstants.REPO_KEYSPACE;
  28         if (client.isConnected()) {
  29             Either<ImmutablePair<Session, MappingManager>, CassandraOperationStatus> result = client.connect(keyspace);
  30             if (result.isLeft()) {
  31                 session = result.left().value().left;
  32                 manager = result.left().value().right;
  33                 migrationTasksAccessor = manager.createAccessor(MigrationTasksAccessor.class);
  34                 migrationTaskMapper =  manager.mapper(MigrationTaskEntry.class);
  35                 logger.info("** migrationTasksAccessor created");
  36             } else {
  37                 logger.info("** migrationTasksAccessor failed");
  38                 throw new RuntimeException("Artifact keyspace [" + keyspace + "] failed to connect with error : "
  39                         + result.right().value());
  40             }
  41         } else {
  42             logger.info("** Cassandra client isn't connected");
  43             logger.info("** migrationTasksAccessor created, but not connected");
  44         }
  45     }
  46
  47     public BigInteger getLatestMinorVersion(BigInteger majorVersion) {
  48         try {
  49             ResultSet latestMinorVersion = migrationTasksAccessor.getLatestMinorVersion(majorVersion.longValue());
  50             Row minorVersionRow = latestMinorVersion.one();
  51             return minorVersionRow == null ? BigInteger.valueOf(Long.MIN_VALUE) : BigInteger.valueOf(minorVersionRow.getLong(0));
  52         } catch (RuntimeException e) {
  53             logger.error("failed to get latest minor version for major version {}", majorVersion,  e);
  54             throw e;
  55         }
  56     }
  57
  58     public void deleteAllTasksForVersion(BigInteger majorVersion) {
  59         try {
  60             migrationTasksAccessor.deleteTasksForMajorVersion(majorVersion.longValue());
  61         } catch (RuntimeException e) {
  62             logger.error("failed to delete tasks for major version {}", majorVersion,  e);
  63             throw e;
  64         }
  65     }
  66
  67     public void createMigrationTask(MigrationTaskEntry migrationTask) {
  68         migrationTaskMapper.save(migrationTask);
  69     }
  70
  71
  72 }