Examples of org.apache.hadoop.hbase.client.RowMutations

org.apache.hadoop.hbase.client.RowMutations
Performs multiple mutations atomically on a single row. Currently {@link Put} and {@link Delete} are supported.The mutations are performed in the order in which they were added.
We compare and equate mutations based off their row so be careful putting RowMutations into Sets or using them as keys in Maps.

   * @param in the <code>TRowMutations</code> to convert
   *
   * @return converted <code>RowMutations</code>
   */
  public static RowMutations rowMutationsFromThrift(TRowMutations in) throws IOException {
    RowMutations out = new RowMutations(in.getRow());
    List<TMutation> mutations = in.getMutations();
    for (TMutation mutation : mutations) {
      if (mutation.isSetPut()) {
        out.add(putFromThrift(mutation.getPut()));
      }
      if (mutation.isSetDeleteSingle()) {
        out.add(deleteFromThrift(mutation.getDeleteSingle()));
      }
    }
    return out;
  }

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      final CellScanner cellScanner)
  throws IOException {
    if (!region.getRegionInfo().isMetaTable()) {
      cacheFlusher.reclaimMemStoreMemory();
    }
    RowMutations rm = null;
    for (ClientProtos.Action action: actions) {
      if (action.hasGet()) {
        throw new DoNotRetryIOException("Atomic put and/or delete only, not a Get=" +
          action.getGet());
      }
      MutationType type = action.getMutation().getMutateType();
      if (rm == null) {
        rm = new RowMutations(action.getMutation().getRow().toByteArray());
      }
      switch (type) {
      case PUT:
        rm.add(ProtobufUtil.toPut(action.getMutation(), cellScanner));
        break;
      case DELETE:
        rm.add(ProtobufUtil.toDelete(action.getMutation(), cellScanner));
        break;
      default:
          throw new DoNotRetryIOException("Atomic put and/or delete only, not " + type.name());
      }
    }

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      Delete delete = new Delete(ROW);
      delete.deleteColumn(A, A);
      delete.deleteColumn(B, B);
      delete.deleteColumn(C, C);


      RowMutations arm = new RowMutations(ROW);
      arm.add(put);
      arm.add(delete);
      table.mutateRow(arm);


      verifyMethodResult(SimpleRegionObserver.class,
          new String[] {"hadPreGet", "hadPostGet", "hadPrePut", "hadPostPut",
      "hadDeleted"},

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      Put p2 = new Put(row1);
      p2.add(fam, qual2, value);
      p2.setCellVisibility(new CellVisibility(SECRET));


      RowMutations rm = new RowMutations(row1);
      rm.add(p1);
      rm.add(p2);


      table.mutateRow(rm);


      Get get = new Get(row1);
      get.setAuthorizations(new Authorizations(CONFIDENTIAL));

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  /**
   * Reset the split parent region info in meta table
   */
  private void resetSplitParent(HbckInfo hi) throws IOException {
    RowMutations mutations = new RowMutations(hi.metaEntry.getRegionName());
    Delete d = new Delete(hi.metaEntry.getRegionName());
    d.deleteColumn(HConstants.CATALOG_FAMILY, HConstants.SPLITA_QUALIFIER);
    d.deleteColumn(HConstants.CATALOG_FAMILY, HConstants.SPLITB_QUALIFIER);
    mutations.add(d);


    Put p = new Put(hi.metaEntry.getRegionName());
    HRegionInfo hri = new HRegionInfo(hi.metaEntry);
    hri.setOffline(false);
    hri.setSplit(false);
    p.add(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER,
      Writables.getBytes(hri));
    mutations.add(p);


    meta.mutateRow(mutations);
    meta.flushCommits();
    LOG.info("Reset split parent " + hi.metaEntry.getRegionNameAsString() + " in META" );
  }

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                    region.compactStores();
                  }
                }
              }
              long ts = timeStamps.incrementAndGet();
              RowMutations rm = new RowMutations(row);
              if (op) {
                Put p = new Put(row, ts);
                p.add(fam1, qual1, value1);
                rm.add(p);
                Delete d = new Delete(row);
                d.deleteColumns(fam1, qual2, ts);
                rm.add(d);
              } else {
                Delete d = new Delete(row);
                d.deleteColumns(fam1, qual1, ts);
                rm.add(d);
                Put p = new Put(row, ts);
                p.add(fam1, qual2, value2);
                rm.add(p);
              }
              region.mutateRow(rm);
              op ^= true;
              // check: should always see exactly one column
              Get g = new Get(row);

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  public void testmutateRowsWithLocks_wrongCF() throws IOException {
    this.region = initHRegion(tableName, this.getName(), conf, fam1, fam2);
    try {
      Put put = new Put(row2);
      put.add(fam3, qual1, value1);
      RowMutations rm = new RowMutations(row2);
      rm.add(put);
      try {
        region.mutateRow(rm);
        fail();
      } catch (DoNotRetryIOException expected) {
        // expected exception.

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  /**
   * Reset the split parent region info in meta table
   */
  private void resetSplitParent(HbckInfo hi) throws IOException {
    RowMutations mutations = new RowMutations(hi.metaEntry.getRegionName());
    Delete d = new Delete(hi.metaEntry.getRegionName());
    d.deleteColumn(HConstants.CATALOG_FAMILY, HConstants.SPLITA_QUALIFIER);
    d.deleteColumn(HConstants.CATALOG_FAMILY, HConstants.SPLITB_QUALIFIER);
    mutations.add(d);


    Put p = new Put(hi.metaEntry.getRegionName());
    HRegionInfo hri = new HRegionInfo(hi.metaEntry);
    hri.setOffline(false);
    hri.setSplit(false);
    p.add(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER,
      Writables.getBytes(hri));
    mutations.add(p);


    meta.mutateRow(mutations);
    meta.flushCommits();
    LOG.info("Reset split parent " + hi.metaEntry.getRegionNameAsString() + " in META" );
  }

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  private void mutateRows(final HRegion region, final List<ClientProtos.Action> actions,
      final CellScanner cellScanner) throws IOException {
    if (!region.getRegionInfo().isMetaTable()) {
      regionServer.cacheFlusher.reclaimMemStoreMemory();
    }
    RowMutations rm = null;
    for (ClientProtos.Action action: actions) {
      if (action.hasGet()) {
        throw new DoNotRetryIOException("Atomic put and/or delete only, not a Get=" +
          action.getGet());
      }
      MutationType type = action.getMutation().getMutateType();
      if (rm == null) {
        rm = new RowMutations(action.getMutation().getRow().toByteArray());
      }
      switch (type) {
      case PUT:
        rm.add(ProtobufUtil.toPut(action.getMutation(), cellScanner));
        break;
      case DELETE:
        rm.add(ProtobufUtil.toDelete(action.getMutation(), cellScanner));
        break;
      default:
          throw new DoNotRetryIOException("Atomic put and/or delete only, not " + type.name());
      }
    }

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      final CellScanner cellScanner, byte[] row, byte[] family, byte[] qualifier,
      CompareOp compareOp, ByteArrayComparable comparator) throws IOException {
    if (!region.getRegionInfo().isMetaTable()) {
      regionServer.cacheFlusher.reclaimMemStoreMemory();
    }
    RowMutations rm = null;
    for (ClientProtos.Action action: actions) {
      if (action.hasGet()) {
        throw new DoNotRetryIOException("Atomic put and/or delete only, not a Get=" +
            action.getGet());
      }
      MutationType type = action.getMutation().getMutateType();
      if (rm == null) {
        rm = new RowMutations(action.getMutation().getRow().toByteArray());
      }
      switch (type) {
      case PUT:
        rm.add(ProtobufUtil.toPut(action.getMutation(), cellScanner));
        break;
      case DELETE:
        rm.add(ProtobufUtil.toDelete(action.getMutation(), cellScanner));
        break;
      default:
        throw new DoNotRetryIOException("Atomic put and/or delete only, not " + type.name());
      }
    }

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