Package org.apache.hadoop.hbase.master.RegionState

Examples of org.apache.hadoop.hbase.master.RegionState.State

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      return null;
    }
  }

  static boolean isOneOfStates(RegionState regionState, State... states) {
    State s = regionState != null ? regionState.getState() : null;
    for (State state: states) {
      if (s == state) return true;
    }
    return false;
  }
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        return;
      }

      ServerName oldServer = oldState != null ? oldState.getServerName() : null;
      ServerName serverName = newState.getServerName();
      State state = newState.getState();

      int replicaId = hri.getReplicaId();
      Put put = new Put(MetaTableAccessor.getMetaKeyForRegion(hri));
      StringBuilder info = new StringBuilder("Updating row ");
      info.append(hri.getRegionNameAsString()).append(" with state=").append(state);
      if (serverName != null && !serverName.equals(oldServer)) {
        put.addImmutable(HConstants.CATALOG_FAMILY, getServerNameColumn(replicaId),
          Bytes.toBytes(serverName.getServerName()));
        info.append("&sn=").append(serverName);
      }
      if (openSeqNum >= 0) {
        Preconditions.checkArgument(state == State.OPEN
          && serverName != null, "Open region should be on a server");
        MetaTableAccessor.addLocation(put, serverName, openSeqNum, replicaId);
        info.append("&openSeqNum=").append(openSeqNum);
        info.append("&server=").append(serverName);
      }
      put.addImmutable(HConstants.CATALOG_FAMILY, getStateColumn(replicaId),
        Bytes.toBytes(state.name()));
      LOG.info(info);

      // Persist the state change to meta
      if (metaRegion != null) {
        try {
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   * @return True if specified region is in one of the specified states.
   */
  public synchronized boolean isRegionInState(
      final String encodedName, final State... states) {
    RegionState regionState = getRegionState(encodedName);
    State s = regionState != null ? regionState.getState() : null;
    for (State state: states) {
      if (s == state) return true;
    }
    return false;
  }
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   * and offline, its state will be SPLIT. Otherwise, its state will
   * be OFFLINE. If it is already in RegionStates, this call has
   * no effect, and the original state is returned.
   */
  public synchronized RegionState createRegionState(final HRegionInfo hri) {
    State newState = (hri.isOffline() && hri.isSplit()) ? State.SPLIT : State.OFFLINE;
    String encodedName = hri.getEncodedName();
    RegionState regionState = regionStates.get(encodedName);
    if (regionState != null) {
      LOG.warn("Tried to create a state for a region already in RegionStates, "
        + "used existing: " + regionState + ", ignored new: " + newState);
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      final HRegionInfo hri, final State expectedState) {
    Preconditions.checkArgument(expectedState == null
      || RegionState.isUnassignable(expectedState),
        "Offlined region should not be " + expectedState);
    String encodedName = hri.getEncodedName();
    State newState =
      expectedState == null ? State.OFFLINE : expectedState;
    updateRegionState(hri, newState);
    regionsInTransition.remove(encodedName);

    ServerName oldServerName = regionAssignments.remove(hri);
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      if (locations == null) continue;
      for (HRegionLocation hrl : locations) {
        HRegionInfo regionInfo = hrl.getRegionInfo();
        if (regionInfo == null) continue;
        int replicaId = regionInfo.getReplicaId();
        State state = RegionStateStore.getRegionState(result, replicaId);
        // keep a track of replicas to close. These were the replicas of the split parents
        // from the previous life of the master. The master should have closed them before
        // but it couldn't maybe because it crashed
        if (replicaId == 0 && state.equals(State.SPLIT)) {
          for (HRegionLocation h : locations) {
            replicasToClose.add(h.getRegionInfo());
          }
        }
        ServerName lastHost = hrl.getServerName();
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Related Classes of org.apache.hadoop.hbase.master.RegionState.State

  • org.apache.hadoop.hbase.master.AssignmentManager
  • org.apache.hadoop.hbase.master.RegionStates
  • org.apache.hadoop.hbase.master.RegionStateStore
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