Package org.apache.helix.manager.zk.ZkAsyncCallbacks

Examples of org.apache.helix.manager.zk.ZkAsyncCallbacks.SetDataCallbackHandler

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          if (!needSet[i])
            continue;

          String path = paths.get(i);
          T record = records.get(i);
          cbList[i] = new SetDataCallbackHandler();
          _zkClient.asyncSetData(path, record, -1, cbList[i]);

        }

        boolean failOnNoNode = false;

        for (int i = 0; i < cbList.length; i++)
        {
          SetDataCallbackHandler cb = cbList[i];
          cb.waitForSuccess();
          Code rc = Code.get(cb.getRc());
          switch (rc)
          {
          case OK:
            setStats.set(i, cb.getStat());
            needSet[i] = false;
            break;
          case NONODE:
            // if fail on NoNode, try create the node
            failOnNoNode = true;
            break;
          default:
            // if fail on error other than NoNode, give up
            needSet[i] = false;
            break;
          }
        }

        // if failOnNoNode, try create
        if (failOnNoNode)
        {
          boolean[] needCreate = Arrays.copyOf(needSet, needSet.length);
          createCbList = create(paths, records, needCreate, pathsCreated, options);
          for (int i = 0; i < createCbList.length; i++)
          {
            CreateCallbackHandler createCb = createCbList[i];
            if (createCb == null)
            {
              continue;
            }

            Code rc = Code.get(createCb.getRc());
            switch (rc)
            {
            case OK:
              setStats.set(i, ZNode.ZERO_STAT);
              needSet[i] = false;
              break;
            case NODEEXISTS:
              retry = true;
              break;
            default:
              // if creation fails on error other than NodeExists
              // no need to retry set
              needSet[i] = false;
              break;
            }
          }
        }
      }
      while (retry);

      // construct return results
      for (int i = 0; i < cbList.length; i++)
      {
        SetDataCallbackHandler cb = cbList[i];

        Code rc = Code.get(cb.getRc());
        if (rc == Code.OK)
        {
          success[i] = true;
        }
        else if (rc == Code.NONODE)
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            failOnNoNode = true;
            needCreate[i] = true;
          }
          else
          {
            cbList[i] = new SetDataCallbackHandler();
            _zkClient.asyncSetData(path, newData, curStat.getVersion(), cbList[i]);
          }
        }

        // wait for completion
        boolean failOnBadVersion = false;

        for (int i = 0; i < paths.size(); i++)
        {
          SetDataCallbackHandler cb = cbList[i];
          if (cb == null)
            continue;

          cb.waitForSuccess();

          switch (Code.get(cb.getRc()))
          {
          case OK:
            updateData.set(i, newDataList.get(i));
            setStats.set(i, cb.getStat());
            needUpdate[i] = false;
            break;
          case NONODE:
            failOnNoNode = true;
            needCreate[i] = true;
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          if (!needSet[i])
            continue;

          String path = paths.get(i);
          T record = records.get(i);
          cbList[i] = new SetDataCallbackHandler();
          _zkClient.asyncSetData(path, record, -1, cbList[i]);

        }

        boolean failOnNoNode = false;

        for (int i = 0; i < cbList.length; i++) {
          SetDataCallbackHandler cb = cbList[i];
          cb.waitForSuccess();
          Code rc = Code.get(cb.getRc());
          switch (rc) {
          case OK:
            setStats.set(i, cb.getStat());
            needSet[i] = false;
            break;
          case NONODE:
            // if fail on NoNode, try create the node
            failOnNoNode = true;
            break;
          default:
            // if fail on error other than NoNode, give up
            needSet[i] = false;
            break;
          }
        }

        // if failOnNoNode, try create
        if (failOnNoNode) {
          boolean[] needCreate = Arrays.copyOf(needSet, needSet.length);
          createCbList = create(paths, records, needCreate, pathsCreated, options);
          for (int i = 0; i < createCbList.length; i++) {
            CreateCallbackHandler createCb = createCbList[i];
            if (createCb == null) {
              continue;
            }

            Code rc = Code.get(createCb.getRc());
            switch (rc) {
            case OK:
              setStats.set(i, ZNode.ZERO_STAT);
              needSet[i] = false;
              break;
            case NODEEXISTS:
              retry = true;
              break;
            default:
              // if creation fails on error other than NodeExists
              // no need to retry set
              needSet[i] = false;
              break;
            }
          }
        }
      } while (retry);

      // construct return results
      for (int i = 0; i < cbList.length; i++) {
        SetDataCallbackHandler cb = cbList[i];

        Code rc = Code.get(cb.getRc());
        if (rc == Code.OK) {
          success[i] = true;
        } else if (rc == Code.NONODE) {
          CreateCallbackHandler createCb = createCbList[i];
          if (Code.get(createCb.getRc()) == Code.OK) {
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          if (curStat == null) {
            // node not exists
            failOnNoNode = true;
            needCreate[i] = true;
          } else {
            cbList[i] = new SetDataCallbackHandler();
            _zkClient.asyncSetData(path, newData, curStat.getVersion(), cbList[i]);
          }
        }

        // wait for completion
        boolean failOnBadVersion = false;

        for (int i = 0; i < paths.size(); i++) {
          SetDataCallbackHandler cb = cbList[i];
          if (cb == null)
            continue;

          cb.waitForSuccess();

          switch (Code.get(cb.getRc())) {
          case OK:
            updateData.set(i, newDataList.get(i));
            setStats.set(i, cb.getStat());
            needUpdate[i] = false;
            break;
          case NONODE:
            failOnNoNode = true;
            needCreate[i] = true;
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          if (!needSet[i])
            continue;

          String path = paths.get(i);
          T record = records.get(i);
          cbList[i] = new SetDataCallbackHandler();
          _zkClient.asyncSetData(path, record, -1, cbList[i]);

        }

        boolean failOnNoNode = false;

        for (int i = 0; i < cbList.length; i++) {
          SetDataCallbackHandler cb = cbList[i];
          cb.waitForSuccess();
          Code rc = Code.get(cb.getRc());
          switch (rc) {
          case OK:
            setStats.set(i, cb.getStat());
            needSet[i] = false;
            break;
          case NONODE:
            // if fail on NoNode, try create the node
            failOnNoNode = true;
            break;
          default:
            // if fail on error other than NoNode, give up
            needSet[i] = false;
            break;
          }
        }

        // if failOnNoNode, try create
        if (failOnNoNode) {
          boolean[] needCreate = Arrays.copyOf(needSet, needSet.length);
          createCbList = create(paths, records, needCreate, pathsCreated, options);
          for (int i = 0; i < createCbList.length; i++) {
            CreateCallbackHandler createCb = createCbList[i];
            if (createCb == null) {
              continue;
            }

            Code rc = Code.get(createCb.getRc());
            switch (rc) {
            case OK:
              setStats.set(i, ZNode.ZERO_STAT);
              needSet[i] = false;
              break;
            case NODEEXISTS:
              retry = true;
              break;
            default:
              // if creation fails on error other than NodeExists
              // no need to retry set
              needSet[i] = false;
              break;
            }
          }
        }
      } while (retry);

      // construct return results
      for (int i = 0; i < cbList.length; i++) {
        SetDataCallbackHandler cb = cbList[i];

        Code rc = Code.get(cb.getRc());
        if (rc == Code.OK) {
          success[i] = true;
        } else if (rc == Code.NONODE) {
          CreateCallbackHandler createCb = createCbList[i];
          if (Code.get(createCb.getRc()) == Code.OK) {
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          if (curStat == null) {
            // node not exists
            failOnNoNode = true;
            needCreate[i] = true;
          } else {
            cbList[i] = new SetDataCallbackHandler();
            _zkClient.asyncSetData(path, newData, curStat.getVersion(), cbList[i]);
          }
        }

        // wait for completion
        boolean failOnBadVersion = false;

        for (int i = 0; i < paths.size(); i++) {
          SetDataCallbackHandler cb = cbList[i];
          if (cb == null)
            continue;

          cb.waitForSuccess();

          switch (Code.get(cb.getRc())) {
          case OK:
            updateData.set(i, newDataList.get(i));
            setStats.set(i, cb.getStat());
            needUpdate[i] = false;
            break;
          case NONODE:
            failOnNoNode = true;
            needCreate[i] = true;
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            continue;
          }

          String path = paths.get(i);
          T record = (records == null ? null : records.get(i));
          setCbList[i] = new SetDataCallbackHandler();

          _zkClient.asyncSetData(path, record, -1, setCbList[i]);
        }

        boolean failOnNoNode = false;

        for (int i = 0; i < size; i++) {
          if (!needSet[i]) {
            continue;
          }

          SetDataCallbackHandler cb = setCbList[i];
          cb.waitForSuccess();
          Code rc = Code.get(cb.getRc());
          switch (rc) {
          case OK: {
            setStats[i] = cb.getStat();
            retCodes[i] = RetCode.OK;
            needSet[i] = false;
            break;
          }
          case NONODE: {
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          if (readResult._retCode == RetCode.NONODE) {
            // node not exists
            failOnNoNode = true;
            needCreate[i] = true;
          } else {
            setCbList[i] = new SetDataCallbackHandler();
            _zkClient.asyncSetData(path, newData, readResult._stat.getVersion(), setCbList[i]);
          }
        }

        // wait for completion
        boolean failOnBadVersion = false;

        for (int i = 0; i < size; i++) {
          SetDataCallbackHandler cb = setCbList[i];
          if (cb == null) {
            continue;
          }

          cb.waitForSuccess();

          switch (Code.get(cb.getRc())) {
          case OK: {
            updateData.set(i, newDataList.get(i));
            updateStats[i] = cb.getStat();
            retCodes[i] = RetCode.OK;
            needUpdate[i] = false;
            break;
          }
          case NONODE: {
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            continue;
          }

          String path = paths.get(i);
          T record = (records == null ? null : records.get(i));
          setCbList[i] = new SetDataCallbackHandler();

          _zkClient.asyncSetData(path, record, -1, setCbList[i]);
        }

        boolean failOnNoNode = false;

        for (int i = 0; i < size; i++) {
          if (!needSet[i]) {
            continue;
          }

          SetDataCallbackHandler cb = setCbList[i];
          cb.waitForSuccess();
          Code rc = Code.get(cb.getRc());
          switch (rc) {
          case OK: {
            setStats[i] = cb.getStat();
            retCodes[i] = RetCode.OK;
            needSet[i] = false;
            break;
          }
          case NONODE: {
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          if (readResult._retCode == RetCode.NONODE) {
            // node not exists
            failOnNoNode = true;
            needCreate[i] = true;
          } else {
            setCbList[i] = new SetDataCallbackHandler();
            _zkClient.asyncSetData(path, newData, readResult._stat.getVersion(), setCbList[i]);
          }
        }

        // wait for completion
        boolean failOnBadVersion = false;

        for (int i = 0; i < size; i++) {
          SetDataCallbackHandler cb = setCbList[i];
          if (cb == null) {
            continue;
          }

          cb.waitForSuccess();

          switch (Code.get(cb.getRc())) {
          case OK: {
            updateData.set(i, newDataList.get(i));
            updateStats[i] = cb.getStat();
            retCodes[i] = RetCode.OK;
            needUpdate[i] = false;
            break;
          }
          case NONODE: {
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Related Classes of org.apache.helix.manager.zk.ZkAsyncCallbacks.SetDataCallbackHandler

  • org.apache.helix.manager.zk.ZkBaseDataAccessor
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