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Java PositionedByteRange类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中org.apache.hadoop.hbase.util.PositionedByteRange类的典型用法代码示例。如果您正苦于以下问题：Java PositionedByteRange类的具体用法？Java PositionedByteRange怎么用？Java PositionedByteRange使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



PositionedByteRange类属于org.apache.hadoop.hbase.util包，在下文中一共展示了PositionedByteRange类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: testReadWrite

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Test
public void testReadWrite() {
  for (int limit : limits) {
    PositionedByteRange buff = new SimplePositionedMutableByteRange(limit);
    for (Order ord : new Order[] { Order.ASCENDING, Order.DESCENDING }) {
      for (byte[] val : VALUES) {
        buff.setPosition(0);
        DataType<byte[]> type = new FixedLengthWrapper<byte[]>(new RawBytes(ord), limit);
        assertEquals(limit, type.encode(buff, val));
        buff.setPosition(0);
        byte[] actual = type.decode(buff);
        assertTrue("Decoding output differs from expected", 
          Bytes.equals(val, 0, val.length, actual, 0, val.length));
        buff.setPosition(0);
        assertEquals(limit, type.skip(buff));
      }
    }
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:20，代码来源:TestFixedLengthWrapper.java


示例2: testReadWriteSkippable

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Test
public void testReadWriteSkippable() {
  PositionedByteRange buff = new SimplePositionedMutableByteRange(14);
  for (OrderedString t : new OrderedString[] {
      OrderedString.ASCENDING, OrderedString.DESCENDING
  }) {
    for (byte[] term : TERMINATORS) {
      for (String val : VALUES_STRINGS) {
        buff.setPosition(0);
        DataType<String> type = new TerminatedWrapper<String>(t, term);
        assertEquals(val.length() + 2 + term.length, type.encode(buff, val));
        buff.setPosition(0);
        assertEquals(val, type.decode(buff));
        assertEquals(val.length() + 2 + term.length, buff.getPosition());
      }
    }
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:19，代码来源:TestTerminatedWrapper.java


示例3: testSkipSkippable

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Test
public void testSkipSkippable() {
  PositionedByteRange buff = new SimplePositionedMutableByteRange(14);
  for (OrderedString t : new OrderedString[] {
      OrderedString.ASCENDING, OrderedString.DESCENDING
  }) {
    for (byte[] term : TERMINATORS) {
      for (String val : VALUES_STRINGS) {
        buff.setPosition(0);
        DataType<String> type = new TerminatedWrapper<String>(t, term);
        int expected = val.length() + 2 + term.length;
        assertEquals(expected, type.encode(buff, val));
        buff.setPosition(0);
        assertEquals(expected, type.skip(buff));
        assertEquals(expected, buff.getPosition());
      }
    }
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:20，代码来源:TestTerminatedWrapper.java


示例4: testReadWriteNonSkippable

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Test
public void testReadWriteNonSkippable() {
  PositionedByteRange buff = new SimplePositionedMutableByteRange(12);
  for (Order ord : new Order[] { Order.ASCENDING, Order.DESCENDING }) {
    for (byte[] term : TERMINATORS) {
      for (byte[] val : VALUES_BYTES) {
        buff.setPosition(0);
        DataType<byte[]> type = new TerminatedWrapper<byte[]>(new RawBytes(ord), term);
        assertEquals(val.length + term.length, type.encode(buff, val));
        buff.setPosition(0);
        assertArrayEquals(val, type.decode(buff));
        assertEquals(val.length + term.length, buff.getPosition());
      }
    }
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:17，代码来源:TestTerminatedWrapper.java


示例5: skip

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
/**
 * Skip {@code src}'s position forward over one encoded value.
 * @param src the buffer containing the encoded value.
 * @return number of bytes skipped.
 * @throws IllegalArgumentException when the terminator sequence is not found.
 */
@Override
public int skip(PositionedByteRange src) {
  if (wrapped.isSkippable()) {
    int ret = wrapped.skip(src);
    src.setPosition(src.getPosition() + term.length);
    return ret + term.length;
  } else {
    // find the terminator position
    final int start = src.getPosition();
    int skipped = terminatorPosition(src);
    if (-1 == skipped) throw new IllegalArgumentException("Terminator sequence not found.");
    skipped += term.length;
    src.setPosition(skipped);
    return skipped - start;
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:23，代码来源:TerminatedWrapper.java


示例6: generateHBaseDatasetDoubleOB

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
public static void generateHBaseDatasetDoubleOB(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
  if (admin.tableExists(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
  }

  HTableDescriptor desc = new HTableDescriptor(tableName);
  desc.addFamily(new HColumnDescriptor(FAMILY_F));

  if (numberRegions > 1) {
    admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
  } else {
    admin.createTable(desc);
  }

  BufferedMutator table = conn.getBufferedMutator(tableName);

  for (double i = 0.5; i <= 100.00; i += 0.75) {
    byte[] bytes = new byte[9];
    PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 9);
    OrderedBytes.encodeFloat64(br, i, Order.ASCENDING);
    Put p = new Put(bytes);
    p.addColumn(FAMILY_F, COLUMN_C, String.format("value %03f", i).getBytes());
    table.mutate(p);
  }

  table.close();

  admin.flush(tableName);
}
开发者ID:dremio，项目名称:dremio-oss，代码行数:31，代码来源:TestTableGenerator.java


示例7: generateHBaseDatasetFloatOB

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
public static void generateHBaseDatasetFloatOB(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
  if (admin.tableExists(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
  }

  HTableDescriptor desc = new HTableDescriptor(tableName);
  desc.addFamily(new HColumnDescriptor(FAMILY_F));

  if (numberRegions > 1) {
    admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
  } else {
    admin.createTable(desc);
  }

  BufferedMutator table = conn.getBufferedMutator(tableName);

  for (float i = (float)0.5; i <= 100.00; i += 0.75) {
    byte[] bytes = new byte[5];
    PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
    OrderedBytes.encodeFloat32(br, i,Order.ASCENDING);
    Put p = new Put(bytes);
    p.addColumn(FAMILY_F, COLUMN_C, String.format("value %03f", i).getBytes());
    table.mutate(p);
  }

  table.close();

  admin.flush(tableName);
}
开发者ID:dremio，项目名称:dremio-oss，代码行数:31，代码来源:TestTableGenerator.java


示例8: decode

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Override
public Pojo1 decode(PositionedByteRange src) {
  Object[] ret = new Object[3];
  ret[0] = stringField.decode(src);
  ret[1] = intField.decode(src);
  ret[2] = doubleField.decode(src);
  return new Pojo1(ret);
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:9，代码来源:TestStruct.java


示例9: generateHBaseDatasetIntOB

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
public static void generateHBaseDatasetIntOB(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
  if (admin.tableExists(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
  }

  HTableDescriptor desc = new HTableDescriptor(tableName);
  desc.addFamily(new HColumnDescriptor(FAMILY_F));

  if (numberRegions > 1) {
    admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
  } else {
    admin.createTable(desc);
  }

  BufferedMutator table = conn.getBufferedMutator(tableName);

  for (int i = -49; i <= 100; i ++) {
    byte[] bytes = new byte[5];
    PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
    OrderedBytes.encodeInt32(br, i, Order.ASCENDING);
    Put p = new Put(bytes);
    p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
    table.mutate(p);
  }

  table.close();

  admin.flush(tableName);
}
开发者ID:dremio，项目名称:dremio-oss，代码行数:31，代码来源:TestTableGenerator.java


示例10: skip

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Override
public int skip(PositionedByteRange src) {
  CellProtos.Cell.Builder builder = CellProtos.Cell.newBuilder();
  CodedInputStream is = inputStreamFromByteRange(src);
  is.setSizeLimit(src.getLength());
  try {
    builder.mergeFrom(is);
    int consumed = is.getTotalBytesRead();
    src.setPosition(src.getPosition() + consumed);
    return consumed;
  } catch (IOException e) {
    throw new RuntimeException("Error while skipping type.", e);
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:15，代码来源:PBCell.java


示例11: generateHBaseDatasetFloatOBDesc

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
public static void generateHBaseDatasetFloatOBDesc(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
  if (admin.tableExists(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
  }

  HTableDescriptor desc = new HTableDescriptor(tableName);
  desc.addFamily(new HColumnDescriptor(FAMILY_F));

  if (numberRegions > 1) {
    admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
  } else {
    admin.createTable(desc);
  }

  BufferedMutator table = conn.getBufferedMutator(tableName);

  for (float i = (float)0.5; i <= 100.00; i += 0.75) {
    byte[] bytes = new byte[5];
    PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
    OrderedBytes.encodeFloat32(br, i, Order.DESCENDING);
    Put p = new Put(bytes);
    p.addColumn(FAMILY_F, COLUMN_C, String.format("value %03f", i).getBytes());
    table.mutate(p);
  }

  table.close();

  admin.flush(tableName);
}
开发者ID:dremio，项目名称:dremio-oss，代码行数:31，代码来源:TestTableGenerator.java


示例12: generateHBaseDatasetBigIntOBDesc

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
public static void generateHBaseDatasetBigIntOBDesc(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
  if (admin.tableExists(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
  }

  HTableDescriptor desc = new HTableDescriptor(tableName);
  desc.addFamily(new HColumnDescriptor(FAMILY_F));

  if (numberRegions > 1) {
    admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
  } else {
    admin.createTable(desc);
  }

  BufferedMutator table = conn.getBufferedMutator(tableName);
  long startTime = (long)1438034423 * 1000;
  for (long i = startTime; i <= startTime + 100; i ++) {
    byte[] bytes = new byte[9];
    PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 9);
    OrderedBytes.encodeInt64(br, i, Order.DESCENDING);
    Put p = new Put(bytes);
    p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
    table.mutate(p);
  }

  table.close();

  admin.flush(tableName);
}
开发者ID:dremio，项目名称:dremio-oss，代码行数:31，代码来源:TestTableGenerator.java


示例13: generateHBaseDatasetIntOBDesc

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
public static void generateHBaseDatasetIntOBDesc(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
  if (admin.tableExists(tableName)) {
    admin.disableTable(tableName);
    admin.deleteTable(tableName);
  }

  HTableDescriptor desc = new HTableDescriptor(tableName);
  desc.addFamily(new HColumnDescriptor(FAMILY_F));

  if (numberRegions > 1) {
    admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions-1));
  } else {
    admin.createTable(desc);
  }

  BufferedMutator table = conn.getBufferedMutator(tableName);

  for (int i = -49; i <= 100; i ++) {
    byte[] bytes = new byte[5];
    PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
    OrderedBytes.encodeInt32(br, i, Order.DESCENDING);
    Put p = new Put(bytes);
    p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
    table.mutate(p);
  }

  table.close();

  admin.flush(tableName);
}
开发者ID:dremio，项目名称:dremio-oss，代码行数:31，代码来源:TestTableGenerator.java


示例14: encode

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Override
public int encode(PositionedByteRange dst, Pojo2 val) {
  int written = byteField1.encode(dst, val.byteField1Asc);
  written += byteField2.encode(dst, val.byteField2Dsc);
  written += stringField.encode(dst, val.stringFieldDsc);
  written += byteField3.encode(dst, val.byteField3Dsc);
  return written;
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:9，代码来源:TestStruct.java


示例15: testSkip

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Test
public void testSkip() {
  Integer intVal = Integer.valueOf(10);
  String strVal = "hello";
  PositionedByteRange buff = new SimplePositionedMutableByteRange(10);
  SampleUnion1 type = new SampleUnion1();

  int len = type.encode(buff, intVal);
  buff.setPosition(0);
  assertEquals(len, type.skip(buff));
  buff.setPosition(0);
  len = type.encode(buff, strVal);
  buff.setPosition(0);
  assertEquals(len, type.skip(buff));
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:16，代码来源:TestUnion2.java


示例16: decode

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Override
public String decode(PositionedByteRange src) {
  if (Order.ASCENDING == this.order) {
    // avoid unnecessary array copy for ASC case.
    String val =
        Bytes.toString(src.getBytes(), src.getOffset() + src.getPosition(), src.getRemaining());
    src.setPosition(src.getLength());
    return val;
  } else {
    byte[] b = new byte[src.getRemaining()];
    src.get(b);
    order.apply(b, 0, b.length);
    return Bytes.toString(b);
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:16，代码来源:RawString.java


示例17: encode

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Override
public int encode(PositionedByteRange dst, String val) {
  byte[] s = Bytes.toBytes(val);
  order.apply(s);
  dst.put(s);
  return s.length;
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:8，代码来源:RawString.java


示例18: skip

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Override
public int skip(PositionedByteRange src) {
  StructIterator it = iterator(src);
  int skipped = 0;
  while (it.hasNext())
    skipped += it.skip();
  return skipped;
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:9，代码来源:Struct.java


示例19: testEncodedLength

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
@Test
public void testEncodedLength() {
  PositionedByteRange buff = new SimplePositionedMutableByteRange(20);
  for (DataType<String> type : new OrderedString[] { OrderedString.ASCENDING, OrderedString.DESCENDING }) {
    for (String val : VALUES) {
      buff.setPosition(0);
      type.encode(buff, val);
      assertEquals(
        "encodedLength does not match actual, " + val,
        buff.getPosition(), type.encodedLength(val));
    }
  }
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:14，代码来源:TestOrderedString.java


示例20: decode

import org.apache.hadoop.hbase.util.PositionedByteRange; //导入依赖的package包/类
/**
 * Read the field at {@code index}. {@code src}'s position is not affected.
 */
public Object decode(PositionedByteRange src, int index) {
  assert index >= 0;
  StructIterator it = iterator(src.shallowCopy());
  for (; index > 0; index--)
    it.skip();
  return it.next();
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:11，代码来源:Struct.java



注：本文中的org.apache.hadoop.hbase.util.PositionedByteRange类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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