Package org.apache.hadoop.hbase.master.handler

Examples of org.apache.hadoop.hbase.master.handler.OpenedRegionHandler

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      case RS_ZK_REGION_OPENED:
        // Region is opened, insert into RIT and handle it
        // This could be done asynchronously, we would need then to acquire the lock in the
        //  handler.
        regionStates.updateRegionState(rt, State.OPEN);
        new OpenedRegionHandler(server, this, regionInfo, sn, expectedVersion).process();
        break;
      case RS_ZK_REQUEST_REGION_SPLIT:
      case RS_ZK_REGION_SPLITTING:
      case RS_ZK_REGION_SPLIT:
        // Splitting region should be online. We could have skipped it during
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          }
          // Handle OPENED by removing from transition and deleted zk node
          regionState = regionStates.updateRegionState(rt, State.OPEN);
          if (regionState != null) {
            failedOpenTracker.remove(encodedName); // reset the count, if any
            new OpenedRegionHandler(
              server, this, regionState.getRegion(), sn, expectedVersion).process();
            updateOpenedRegionHandlerTracker(regionState.getRegion());
          }
          break;
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      String nodeName = ZKAssign.getNodeName(zkw, region.getRegionInfo()
          .getEncodedName());
      ZKUtil.getDataAndWatch(zkw, nodeName, stat);

      // use the version for the OpenedRegionHandler
      OpenedRegionHandler handler = new OpenedRegionHandler(server, am, region
          .getRegionInfo(), server.getServerName(), stat.getVersion());
      // Once again overwrite the same znode so that the version changes.
      ZKAssign.transitionNode(zkw, region.getRegionInfo(), server
          .getServerName(), EventType.RS_ZK_REGION_OPENED,
          EventType.RS_ZK_REGION_OPENED, stat.getVersion());

      // Should not invoke assignmentmanager.regionOnline. If it is
      // invoked as per current mocking it will throw null pointer exception.
      boolean expectedException = false;
      try {
        handler.process();
      } catch (Exception e) {
        expectedException = true;
      }
      assertFalse("The process method should not throw any exception.",
          expectedException);
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        } else if (!serverManager.isServerOnline(sn)
            && (isOnDeadServer(regionInfo, deadServers)
                || regionInfo.isMetaRegion() || regionInfo.isRootRegion())) {
          forceOffline(regionInfo, data);
        } else {
          new OpenedRegionHandler(master, this, regionInfo, sn, expectedVersion)
              .process();
        }
        failoverProcessedRegions.put(encodedRegionName, regionInfo);
        break;
      }
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          hri = checkIfInFailover(regionState, encodedName, data);
          if (hri != null) {
            regionState = new RegionState(hri, RegionState.State.OPEN, data
                .getStamp(), data.getOrigin());
            regionsInTransition.put(encodedName, regionState);
            new OpenedRegionHandler(master, this, regionState.getRegion(), data
              .getOrigin(), expectedVersion).process();
            failoverProcessedRegions.put(encodedName, hri);
            break;
          }
          // Should see OPENED after OPENING but possible after PENDING_OPEN
          if (regionState == null ||
              (!regionState.isPendingOpen() && !regionState.isOpening())) {
            LOG.warn("Received OPENED for region " +
                prettyPrintedRegionName +
                " from server " + data.getOrigin() + " but region was in " +
                " the state " + regionState + " and not " +
                "in expected PENDING_OPEN or OPENING states");
            return;
          }
          // Handle OPENED by removing from transition and deleted zk node
          regionState.update(RegionState.State.OPEN,
              data.getStamp(), data.getOrigin());
          this.executorService.submit(
            new OpenedRegionHandler(master, this, regionState.getRegion(),
              data.getOrigin(), expectedVersion));
          break;
      }
    }
  }
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      case RS_ZK_REGION_OPENED:
        // Region is opened, insert into RIT and handle it
        // This could be done asynchronously, we would need then to acquire the lock in the
        //  handler.
        regionStates.updateRegionState(rt, State.OPEN);
        new OpenedRegionHandler(server, this, regionInfo, sn, expectedVersion).process();
        break;
      case RS_ZK_REQUEST_REGION_SPLIT:
      case RS_ZK_REGION_SPLITTING:
      case RS_ZK_REGION_SPLIT:
        // Splitting region should be online. We could have skipped it during
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          }
          // Handle OPENED by removing from transition and deleted zk node
          regionState = regionStates.updateRegionState(rt, State.OPEN);
          if (regionState != null) {
            failedOpenTracker.remove(encodedName); // reset the count, if any
            new OpenedRegionHandler(
              server, this, regionState.getRegion(), sn, expectedVersion).process();
            updateOpenedRegionHandlerTracker(regionState.getRegion());
          }
          break;
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          hri = checkIfInFailover(regionState, encodedName, data);
          if (hri != null) {
            regionState = new RegionState(hri, RegionState.State.OPEN, data
                .getStamp(), data.getOrigin());
            regionsInTransition.put(encodedName, regionState);
            new OpenedRegionHandler(master, this, regionState.getRegion(), data
              .getOrigin(), expectedVersion).process();
            failoverProcessedRegions.put(encodedName, hri);
            break;
          }
          // Should see OPENED after OPENING but possible after PENDING_OPEN
          if (regionState == null ||
              (!regionState.isPendingOpen() && !regionState.isOpening())) {
            LOG.warn("Received OPENED for region " +
                prettyPrintedRegionName +
                " from server " + data.getOrigin() + " but region was in " +
                " the state " + regionState + " and not " +
                "in expected PENDING_OPEN or OPENING states");
            return;
          }
          // Handle OPENED by removing from transition and deleted zk node
          regionState.update(RegionState.State.OPEN,
              data.getStamp(), data.getOrigin());
          this.executorService.submit(
            new OpenedRegionHandler(master, this, regionState.getRegion(),
              data.getOrigin(), expectedVersion));
          break;
      }
    }
  }
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      String nodeName = ZKAssign.getNodeName(zkw, region.getRegionInfo()
          .getEncodedName());
      ZKUtil.getDataAndWatch(zkw, nodeName, stat);

      // use the version for the OpenedRegionHandler
      OpenedRegionHandler handler = new OpenedRegionHandler(server, am, region
          .getRegionInfo(), server.getServerName(), stat.getVersion());
      // Once again overwrite the same znode so that the version changes.
      ZKAssign.transitionNode(zkw, region.getRegionInfo(), server
          .getServerName(), EventType.RS_ZK_REGION_OPENED,
          EventType.RS_ZK_REGION_OPENED, stat.getVersion());

      // Should not invoke assignmentmanager.regionOnline. If it is
      // invoked as per current mocking it will throw null pointer exception.
      boolean expectedException = false;
      try {
        handler.process();
      } catch (Exception e) {
        expectedException = true;
      }
      assertFalse("The process method should not throw any exception.",
          expectedException);
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        } else if (!serverManager.isServerOnline(sn)
            && (isOnDeadServer(regionInfo, deadServers)
                || regionInfo.isMetaRegion() || regionInfo.isRootRegion())) {
          forceOffline(regionInfo, data);
        } else {
          new OpenedRegionHandler(master, this, regionInfo, sn, expectedVersion)
              .process();
        }
        failoverProcessedRegions.put(encodedRegionName, regionInfo);
        break;
      }
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Related Classes of org.apache.hadoop.hbase.master.handler.OpenedRegionHandler

  • org.apache.hadoop.hbase.master.AssignmentManager
  • org.apache.hadoop.hbase.master.AssignmentManager.RegionState
  • org.apache.hadoop.hbase.master.RegionState
  • org.apache.hadoop.hbase.master.TestOpenedRegionHandler
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