Java CellProtos.Cell方法代码示例

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
@Override
public void write(Cell cell) throws IOException {
  checkFlushed();
  CellProtos.Cell.Builder builder = CellProtos.Cell.newBuilder();
  // This copies bytes from Cell to ByteString.  I don't see anyway around the copy.
  // ByteString is final.
  builder.setRow(ByteStringer.wrap(cell.getRowArray(), cell.getRowOffset(),
      cell.getRowLength()));
  builder.setFamily(ByteStringer.wrap(cell.getFamilyArray(), cell.getFamilyOffset(),
      cell.getFamilyLength()));
  builder.setQualifier(ByteStringer.wrap(cell.getQualifierArray(),
      cell.getQualifierOffset(), cell.getQualifierLength()));
  builder.setTimestamp(cell.getTimestamp());
  builder.setCellType(CellProtos.CellType.valueOf(cell.getTypeByte()));
  builder.setValue(ByteStringer.wrap(cell.getValueArray(), cell.getValueOffset(),
      cell.getValueLength()));
  CellProtos.Cell pbcell = builder.build();
  pbcell.writeDelimitedTo(this.out);
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
/**
 * Convert a protocol buffer Result to a client Result
 *
 * @param proto the protocol buffer Result to convert
 * @return the converted client Result
 */
public static Result toResult(final ClientProtos.Result proto) {
  if (proto.hasExists()) {
    if (proto.getStale()) {
      return proto.getExists() ? EMPTY_RESULT_EXISTS_TRUE_STALE :EMPTY_RESULT_EXISTS_FALSE_STALE;
    }
    return proto.getExists() ? EMPTY_RESULT_EXISTS_TRUE : EMPTY_RESULT_EXISTS_FALSE;
  }

  List<CellProtos.Cell> values = proto.getCellList();
  if (values.isEmpty()){
    return proto.getStale() ? EMPTY_RESULT_STALE : EMPTY_RESULT;
  }

  List<Cell> cells = new ArrayList<Cell>(values.size());
  for (CellProtos.Cell c : values) {
    cells.add(toCell(c));
  }
  return Result.create(cells, null, proto.getStale(), proto.getPartial());
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
public static CellProtos.Cell toCell(final Cell kv) {
  // Doing this is going to kill us if we do it for all data passed.
  // St.Ack 20121205
  CellProtos.Cell.Builder kvbuilder = CellProtos.Cell.newBuilder();
  kvbuilder.setRow(ByteStringer.wrap(kv.getRowArray(), kv.getRowOffset(),
      kv.getRowLength()));
  kvbuilder.setFamily(ByteStringer.wrap(kv.getFamilyArray(),
      kv.getFamilyOffset(), kv.getFamilyLength()));
  kvbuilder.setQualifier(ByteStringer.wrap(kv.getQualifierArray(),
      kv.getQualifierOffset(), kv.getQualifierLength()));
  kvbuilder.setCellType(CellProtos.CellType.valueOf(kv.getTypeByte()));
  kvbuilder.setTimestamp(kv.getTimestamp());
  kvbuilder.setValue(ByteStringer.wrap(kv.getValueArray(), kv.getValueOffset(),
      kv.getValueLength()));
  return kvbuilder.build();
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
@Override
public void write(Cell cell) throws IOException {
  checkFlushed();
  CellProtos.Cell.Builder builder = CellProtos.Cell.newBuilder();
  // This copies bytes from Cell to ByteString.  I don't see anyway around the copy.
  // ByteString is final.
  builder.setRow(HBaseZeroCopyByteString.wrap(cell.getRowArray(), cell.getRowOffset(),
      cell.getRowLength()));
  builder.setFamily(HBaseZeroCopyByteString.wrap(cell.getFamilyArray(), cell.getFamilyOffset(),
      cell.getFamilyLength()));
  builder.setQualifier(HBaseZeroCopyByteString.wrap(cell.getQualifierArray(),
      cell.getQualifierOffset(), cell.getQualifierLength()));
  builder.setTimestamp(cell.getTimestamp());
  builder.setCellType(CellProtos.CellType.valueOf(cell.getTypeByte()));
  builder.setValue(HBaseZeroCopyByteString.wrap(cell.getValueArray(), cell.getValueOffset(),
      cell.getValueLength()));
  CellProtos.Cell pbcell = builder.build();
  pbcell.writeDelimitedTo(this.out);
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
public static CellProtos.Cell toCell(final Cell kv) {
  // Doing this is going to kill us if we do it for all data passed.
  // St.Ack 20121205
  CellProtos.Cell.Builder kvbuilder = CellProtos.Cell.newBuilder();
  kvbuilder.setRow(HBaseZeroCopyByteString.wrap(kv.getRowArray(), kv.getRowOffset(),
      kv.getRowLength()));
  kvbuilder.setFamily(HBaseZeroCopyByteString.wrap(kv.getFamilyArray(),
      kv.getFamilyOffset(), kv.getFamilyLength()));
  kvbuilder.setQualifier(HBaseZeroCopyByteString.wrap(kv.getQualifierArray(),
      kv.getQualifierOffset(), kv.getQualifierLength()));
  kvbuilder.setCellType(CellProtos.CellType.valueOf(kv.getTypeByte()));
  kvbuilder.setTimestamp(kv.getTimestamp());
  kvbuilder.setValue(HBaseZeroCopyByteString.wrap(kv.getValueArray(), kv.getValueOffset(),
      kv.getValueLength()));
  return kvbuilder.build();
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
public static CellProtos.Cell toCell(final Cell kv) {
  // Doing this is going to kill us if we do it for all data passed.
  // St.Ack 20121205
  CellProtos.Cell.Builder kvbuilder = CellProtos.Cell.newBuilder();
  kvbuilder.setRow(ZeroCopyLiteralByteString.wrap(kv.getRowArray(), kv.getRowOffset(),
    kv.getRowLength()));
  kvbuilder.setFamily(ZeroCopyLiteralByteString.wrap(kv.getFamilyArray(),
    kv.getFamilyOffset(), kv.getFamilyLength()));
  kvbuilder.setQualifier(ZeroCopyLiteralByteString.wrap(kv.getQualifierArray(),
    kv.getQualifierOffset(), kv.getQualifierLength()));
  kvbuilder.setCellType(CellProtos.CellType.valueOf(kv.getTypeByte()));
  kvbuilder.setTimestamp(kv.getTimestamp());
  kvbuilder.setValue(ZeroCopyLiteralByteString.wrap(kv.getValueArray(), kv.getValueOffset(),
    kv.getValueLength()));
  return kvbuilder.build();
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
/**
 * Convert a protocol buffer Result to a client Result
 *
 * @param proto the protocol buffer Result to convert
 * @return the converted client Result
 */
public static Result toResult(final ClientProtos.Result proto) {
  if (proto.hasExists()) {
    return proto.getExists() ? EMPTY_RESULT_EXISTS_TRUE : EMPTY_RESULT_EXISTS_FALSE;
  }

  List<CellProtos.Cell> values = proto.getCellList();
  if (values.isEmpty()){
    return EMPTY_RESULT;
  }

  List<Cell> cells = new ArrayList<Cell>(values.size());
  for (CellProtos.Cell c : values) {
    cells.add(toCell(c));
  }
  return Result.create(cells, null);
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
@Override
public void write(Cell cell) throws IOException {
  checkFlushed();
  CellProtos.Cell.Builder builder = CellProtos.Cell.newBuilder();
  // This copies bytes from Cell to ByteString.  I don't see anyway around the copy.
  // ByteString is final.
  builder.setRow(ByteString.copyFrom(cell.getRowArray(), cell.getRowOffset(),
      cell.getRowLength()));
  builder.setFamily(ByteString.copyFrom(cell.getFamilyArray(), cell.getFamilyOffset(),
      cell.getFamilyLength()));
  builder.setQualifier(ByteString.copyFrom(cell.getQualifierArray(), cell.getQualifierOffset(),
      cell.getQualifierLength()));
  builder.setTimestamp(cell.getTimestamp());
  builder.setCellType(CellProtos.CellType.valueOf(cell.getTypeByte()));
  builder.setValue(ByteString.copyFrom(cell.getValueArray(), cell.getValueOffset(),
      cell.getValueLength()));
  CellProtos.Cell pbcell = builder.build();
  pbcell.writeDelimitedTo(this.out);
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
protected Cell parseCell() throws IOException {
  CellProtos.Cell pbcell = CellProtos.Cell.parseDelimitedFrom(this.in);
  return CellUtil.createCell(pbcell.getRow().toByteArray(),
    pbcell.getFamily().toByteArray(), pbcell.getQualifier().toByteArray(),
    pbcell.getTimestamp(), (byte)pbcell.getCellType().getNumber(),
    pbcell.getValue().toByteArray());
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
static CellProtos.Cell getStartCode(final ByteString row) {
  CellProtos.Cell.Builder cellBuilder = getBaseCellBuilder(row);
  cellBuilder.setQualifier(ByteStringer.wrap(HConstants.STARTCODE_QUALIFIER));
  // TODO:
  cellBuilder.setValue(ByteStringer.wrap(Bytes.toBytes(META_SERVERNAME.getStartcode())));
  return cellBuilder.build();
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
@Override
public CellProtos.Cell decode(PositionedByteRange src) {
  CellProtos.Cell.Builder builder = CellProtos.Cell.newBuilder();
  CodedInputStream is = inputStreamFromByteRange(src);
  is.setSizeLimit(src.getLength());
  try {
    CellProtos.Cell ret = builder.mergeFrom(is).build();
    src.setPosition(src.getPosition() + is.getTotalBytesRead());
    return ret;
  } catch (IOException e) {
    throw new RuntimeException("Error while decoding type.", e);
  }
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
@Override
public int encode(PositionedByteRange dst, CellProtos.Cell val) {
  CodedOutputStream os = outputStreamFromByteRange(dst);
  try {
    int before = os.spaceLeft(), after, written;
    val.writeTo(os);
    after = os.spaceLeft();
    written = before - after;
    dst.setPosition(dst.getPosition() + written);
    return written;
  } catch (IOException e) {
    throw new RuntimeException("Error while encoding type.", e);
  }
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
/**
 * Basic test to verify utility methods in {@link PBType} and delegation to protobuf works.
 */
@Test
public void testRoundTrip() {
  final Cell cell = new KeyValue(Bytes.toBytes("row"), Bytes.toBytes("fam"),
    Bytes.toBytes("qual"), Bytes.toBytes("val"));
  CellProtos.Cell c = ProtobufUtil.toCell(cell), decoded;
  PositionedByteRange pbr = new SimplePositionedByteRange(c.getSerializedSize());
  pbr.setPosition(0);
  int encodedLength = CODEC.encode(pbr, c);
  pbr.setPosition(0);
  decoded = CODEC.decode(pbr);
  assertEquals(encodedLength, pbr.getPosition());
  assertTrue(CellComparator.equals(cell, ProtobufUtil.toCell(decoded)));
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
/**
 * Convert a protocol buffer Result to a client Result
 *
 * @param proto the protocol buffer Result to convert
 * @param scanner Optional cell scanner.
 * @return the converted client Result
 * @throws IOException
 */
public static Result toResult(final ClientProtos.Result proto, final CellScanner scanner)
throws IOException {
  List<CellProtos.Cell> values = proto.getCellList();

  if (proto.hasExists()) {
    if ((values != null && !values.isEmpty()) ||
        (proto.hasAssociatedCellCount() && proto.getAssociatedCellCount() > 0)) {
      throw new IllegalArgumentException("bad proto: exists with cells is no allowed " + proto);
    }
    if (proto.getStale()) {
      return proto.getExists() ? EMPTY_RESULT_EXISTS_TRUE_STALE :EMPTY_RESULT_EXISTS_FALSE_STALE;
    }
    return proto.getExists() ? EMPTY_RESULT_EXISTS_TRUE : EMPTY_RESULT_EXISTS_FALSE;
  }

  // TODO: Unit test that has some Cells in scanner and some in the proto.
  List<Cell> cells = null;
  if (proto.hasAssociatedCellCount()) {
    int count = proto.getAssociatedCellCount();
    cells = new ArrayList<Cell>(count + values.size());
    for (int i = 0; i < count; i++) {
      if (!scanner.advance()) throw new IOException("Failed get " + i + " of " + count);
      cells.add(scanner.current());
    }
  }

  if (!values.isEmpty()){
    if (cells == null) cells = new ArrayList<Cell>(values.size());
    for (CellProtos.Cell c: values) {
      cells.add(toCell(c));
    }
  }

  return (cells == null || cells.isEmpty())
      ? (proto.getStale() ? EMPTY_RESULT_STALE : EMPTY_RESULT)
      : Result.create(cells, null, proto.getStale());
}
 

import org.apache.hadoop.hbase.protobuf.generated.CellProtos; //导入方法依赖的package包/类
static CellProtos.Cell getStartCode(final ByteString row) {
  CellProtos.Cell.Builder cellBuilder = getBaseCellBuilder(row);
  cellBuilder.setQualifier(HBaseZeroCopyByteString.wrap(HConstants.STARTCODE_QUALIFIER));
  // TODO:
  cellBuilder.setValue(HBaseZeroCopyByteString.wrap(Bytes.toBytes(META_SERVERNAME.getStartcode())));
  return cellBuilder.build();
}