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Java Codec.Decoder方法代码示例

本文整理汇总了Java中org.apache.hadoop.hbase.codec.Codec.Decoder方法的典型用法代码示例。如果您正苦于以下问题：Java Codec.Decoder方法的具体用法？Java Codec.Decoder怎么用？Java Codec.Decoder使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hbase.codec.Codec的用法示例。


在下文中一共展示了Codec.Decoder方法的13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，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: doCodec

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
static void doCodec(final Codec codec, final Cell [] cells, final int cycles, final int count,
    final int initialBufferSize)
throws IOException {
  byte [] bytes = null;
  Cell [] cellsDecoded = null;
  for (int i = 0; i < cycles; i++) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(initialBufferSize);
    Codec.Encoder encoder = codec.getEncoder(baos);
    bytes = runEncoderTest(i, initialBufferSize, baos, encoder, cells);
  }
  for (int i = 0; i < cycles; i++) {
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    Codec.Decoder decoder = codec.getDecoder(bais);
    cellsDecoded = CodecPerformance.runDecoderTest(i, count, decoder);
  }
  verifyCells(cells, cellsDecoded);
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:18，代码来源:CodecPerformance.java

示例2: testEmptyWorks

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testEmptyWorks() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  MessageCodec cmc = new MessageCodec();
  Codec.Encoder encoder = cmc.getEncoder(dos);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  assertEquals(0, offset);
  CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = cmc.getDecoder(dis);
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(0, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:19，代码来源:TestCellMessageCodec.java

示例3: testOne

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testOne() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  MessageCodec cmc = new MessageCodec();
  Codec.Encoder encoder = cmc.getEncoder(dos);
  final KeyValue kv =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
  encoder.write(kv);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = cmc.getDecoder(dis);
  assertTrue(decoder.advance()); // First read should pull in the KV
  assertFalse(decoder.advance()); // Second read should trip over the end-of-stream  marker and return false
  dis.close();
  assertEquals(offset, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:22，代码来源:TestCellMessageCodec.java

示例4: testEmptyWorks

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testEmptyWorks() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  KeyValueCodec kvc = new KeyValueCodec();
  Codec.Encoder encoder = kvc.getEncoder(dos);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  assertEquals(0, offset);
  CountingInputStream cis =
    new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = kvc.getDecoder(dis);
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(0, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:20，代码来源:TestKeyValueCodec.java

示例5: testOne

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testOne() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  KeyValueCodec kvc = new KeyValueCodec();
  Codec.Encoder encoder = kvc.getEncoder(dos);
  final KeyValue kv =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
  final long length = kv.getLength() + Bytes.SIZEOF_INT; 
  encoder.write(kv);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  assertEquals(length, offset);
  CountingInputStream cis =
    new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = kvc.getDecoder(dis);
  assertTrue(decoder.advance()); // First read should pull in the KV
  // Second read should trip over the end-of-stream  marker and return false
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(length, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:26，代码来源:TestKeyValueCodec.java

示例6: testEmptyWorks

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testEmptyWorks() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  Codec codec = new CellCodec();
  Codec.Encoder encoder = codec.getEncoder(dos);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  assertEquals(0, offset);
  CountingInputStream cis =
    new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = codec.getDecoder(dis);
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(0, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:20，代码来源:TestCellCodec.java

示例7: testOne

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testOne() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  Codec codec = new CellCodec();
  Codec.Encoder encoder = codec.getEncoder(dos);
  final KeyValue kv =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
  kv.setMvccVersion(Long.MAX_VALUE);
  encoder.write(kv);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  CountingInputStream cis =
    new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = codec.getDecoder(dis);
  assertTrue(decoder.advance()); // First read should pull in the KV
  // Second read should trip over the end-of-stream marker and return false
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(offset, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:25，代码来源:TestCellCodec.java

示例8: testOne

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testOne() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  Codec codec = new CellCodec();
  Codec.Encoder encoder = codec.getEncoder(dos);
  final KeyValue kv =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
  encoder.write(kv);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  CountingInputStream cis =
    new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = codec.getDecoder(dis);
  assertTrue(decoder.advance()); // First read should pull in the KV
  // Second read should trip over the end-of-stream marker and return false
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(offset, cis.getCount());
}
开发者ID:cloud-software-foundation，项目名称:c5，代码行数:24，代码来源:TestCellCodec.java

示例9: readFromCells

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
/**
 * Reads WALEdit from cells.
 * @param cellDecoder Cell decoder.
 * @param expectedCount Expected cell count.
 * @return Number of KVs read.
 */
public int readFromCells(Codec.Decoder cellDecoder, int expectedCount) throws IOException {
  cells.clear();
  cells.ensureCapacity(expectedCount);
  while (cells.size() < expectedCount && cellDecoder.advance()) {
    cells.add(cellDecoder.current());
  }
  return cells.size();
}
开发者ID:fengchen8086，项目名称:ditb，代码行数:15，代码来源:WALEdit.java

示例10: readFromCells

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
/**
 * Reads WALEdit from cells.
 * @param cellDecoder Cell decoder.
 * @param expectedCount Expected cell count.
 * @return Number of KVs read.
 */
public int readFromCells(Codec.Decoder cellDecoder, int expectedCount) throws IOException {
  kvs.clear();
  kvs.ensureCapacity(expectedCount);
  while (kvs.size() < expectedCount && cellDecoder.advance()) {
    Cell cell = cellDecoder.current();
    if (!(cell instanceof KeyValue)) {
      throw new IOException("WAL edit only supports KVs as cells");
    }
    kvs.add((KeyValue)cell);
  }
  return kvs.size();
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:19，代码来源:WALEdit.java

示例11: testThree

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testThree() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  MessageCodec cmc = new MessageCodec();
  Codec.Encoder encoder = cmc.getEncoder(dos);
  final KeyValue kv1 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
  final KeyValue kv2 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
  final KeyValue kv3 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
  encoder.write(kv1);
  encoder.write(kv2);
  encoder.write(kv3);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = cmc.getDecoder(dis);
  assertTrue(decoder.advance());
  Cell c = decoder.current();
  assertTrue(CellComparator.equals(c, kv1));
  assertTrue(decoder.advance());
  c = decoder.current();
  assertTrue(CellComparator.equals(c, kv2));
  assertTrue(decoder.advance());
  c = decoder.current();
  assertTrue(CellComparator.equals(c, kv3));
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(offset, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:33，代码来源:TestCellMessageCodec.java

示例12: testThree

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testThree() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  KeyValueCodec kvc = new KeyValueCodec();
  Codec.Encoder encoder = kvc.getEncoder(dos);
  final KeyValue kv1 =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
  final KeyValue kv2 =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
  final KeyValue kv3 =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
  final long length = kv1.getLength() + Bytes.SIZEOF_INT; 
  encoder.write(kv1);
  encoder.write(kv2);
  encoder.write(kv3);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  assertEquals(length * 3, offset);
  CountingInputStream cis =
    new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = kvc.getDecoder(dis);
  assertTrue(decoder.advance());
  KeyValue kv = (KeyValue)decoder.current();
  assertTrue(kv1.equals(kv));
  assertTrue(decoder.advance());
  kv = (KeyValue)decoder.current();
  assertTrue(kv2.equals(kv));
  assertTrue(decoder.advance());
  kv = (KeyValue)decoder.current();
  assertTrue(kv3.equals(kv));
  assertFalse(decoder.advance());
  dis.close();
  assertEquals((length * 3), cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:39，代码来源:TestKeyValueCodec.java

示例13: testThree

import org.apache.hadoop.hbase.codec.Codec; //导入方法依赖的package包/类
@Test
public void testThree() throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  CountingOutputStream cos = new CountingOutputStream(baos);
  DataOutputStream dos = new DataOutputStream(cos);
  Codec codec = new CellCodec();
  Codec.Encoder encoder = codec.getEncoder(dos);
  final KeyValue kv1 =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
  final KeyValue kv2 =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
  final KeyValue kv3 =
    new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
  encoder.write(kv1);
  encoder.write(kv2);
  encoder.write(kv3);
  encoder.flush();
  dos.close();
  long offset = cos.getCount();
  CountingInputStream cis =
    new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
  DataInputStream dis = new DataInputStream(cis);
  Codec.Decoder decoder = codec.getDecoder(dis);
  assertTrue(decoder.advance());
  Cell c = decoder.current();
  assertTrue(CellComparator.equals(c, kv1));
  assertTrue(decoder.advance());
  c = decoder.current();
  assertTrue(CellComparator.equals(c, kv2));
  assertTrue(decoder.advance());
  c = decoder.current();
  assertTrue(CellComparator.equals(c, kv3));
  assertFalse(decoder.advance());
  dis.close();
  assertEquals(offset, cis.getCount());
}
开发者ID:tenggyut，项目名称:HIndex，代码行数:37，代码来源:TestCellCodec.java


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