当前位置: 首页>>代码示例>>Java>>正文


Java Lz4Compressor类代码示例

本文整理汇总了Java中org.apache.hadoop.io.compress.lz4.Lz4Compressor的典型用法代码示例。如果您正苦于以下问题:Java Lz4Compressor类的具体用法?Java Lz4Compressor怎么用?Java Lz4Compressor使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


Lz4Compressor类属于org.apache.hadoop.io.compress.lz4包,在下文中一共展示了Lz4Compressor类的6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: isAvailable

import org.apache.hadoop.io.compress.lz4.Lz4Compressor; //导入依赖的package包/类
/**
 * Method for compressor availability check
 */
private static <T extends Compressor, E extends Decompressor> boolean isAvailable(TesterPair<T, E> pair) {
  Compressor compressor = pair.compressor;

  if (compressor.getClass().isAssignableFrom(Lz4Compressor.class)
          && (NativeCodeLoader.isNativeCodeLoaded()))
    return true;

  else if (compressor.getClass().isAssignableFrom(BuiltInZlibDeflater.class)
          && NativeCodeLoader.isNativeCodeLoaded())
    return true;

  else if (compressor.getClass().isAssignableFrom(ZlibCompressor.class)) {
    return ZlibFactory.isNativeZlibLoaded(new Configuration());
  }              
  else if (compressor.getClass().isAssignableFrom(SnappyCompressor.class)
          && isNativeSnappyLoadable())
    return true;
  
  return false;      
}
 
开发者ID:nucypher,项目名称:hadoop-oss,代码行数:24,代码来源:CompressDecompressTester.java

示例2: testCompressorDecompressor

import org.apache.hadoop.io.compress.lz4.Lz4Compressor; //导入依赖的package包/类
@Test
public void testCompressorDecompressor() {
  // no more for this data
  int SIZE = 44 * 1024;
  
  byte[] rawData = generate(SIZE);
  try {
    CompressDecompressTester.of(rawData)
        .withCompressDecompressPair(new SnappyCompressor(), new SnappyDecompressor())
        .withCompressDecompressPair(new Lz4Compressor(), new Lz4Decompressor())
        .withCompressDecompressPair(new BuiltInZlibDeflater(), new BuiltInZlibInflater())
        .withTestCases(ImmutableSet.of(CompressionTestStrategy.COMPRESS_DECOMPRESS_SINGLE_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_ERRORS,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_WITH_EMPTY_STREAM))
        .test();

  } catch (Exception ex) {
    GenericTestUtils.assertExceptionContains(
        "testCompressorDecompressor error !!!", ex);
  }
}
 
开发者ID:nucypher,项目名称:hadoop-oss,代码行数:23,代码来源:TestCompressorDecompressor.java

示例3: testCompressorDecompressorWithExeedBufferLimit

import org.apache.hadoop.io.compress.lz4.Lz4Compressor; //导入依赖的package包/类
@Test
public void testCompressorDecompressorWithExeedBufferLimit() {
  int BYTE_SIZE = 100 * 1024;
  byte[] rawData = generate(BYTE_SIZE);
  try {
    CompressDecompressTester.of(rawData)
        .withCompressDecompressPair(
            new SnappyCompressor(BYTE_SIZE + BYTE_SIZE / 2),
            new SnappyDecompressor(BYTE_SIZE + BYTE_SIZE / 2))
        .withCompressDecompressPair(new Lz4Compressor(BYTE_SIZE),
            new Lz4Decompressor(BYTE_SIZE))
        .withTestCases(ImmutableSet.of(CompressionTestStrategy.COMPRESS_DECOMPRESS_SINGLE_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_ERRORS,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_WITH_EMPTY_STREAM))
        .test();

  } catch (Exception ex) {
    GenericTestUtils.assertExceptionContains(
        "testCompressorDecompressorWithExeedBufferLimit error !!!", ex);
  }
}
 
开发者ID:nucypher,项目名称:hadoop-oss,代码行数:23,代码来源:TestCompressorDecompressor.java

示例4: testSetInputWithBytesSizeMoreThenDefaultLz4CompressorByfferSize

import org.apache.hadoop.io.compress.lz4.Lz4Compressor; //导入依赖的package包/类
@Test
public void testSetInputWithBytesSizeMoreThenDefaultLz4CompressorByfferSize() {
  int BYTES_SIZE = 1024 * 64 + 1;
  try {
    Lz4Compressor compressor = new Lz4Compressor();
    byte[] bytes = generate(BYTES_SIZE);
    assertTrue("needsInput error !!!", compressor.needsInput());
    compressor.setInput(bytes, 0, bytes.length);
    byte[] emptyBytes = new byte[BYTES_SIZE];
    int csize = compressor.compress(emptyBytes, 0, bytes.length);
    assertTrue(
        "testSetInputWithBytesSizeMoreThenDefaultLz4CompressorByfferSize error !!!",
        csize != 0);
  } catch (Exception ex) {
    fail("testSetInputWithBytesSizeMoreThenDefaultLz4CompressorByfferSize ex error !!!");
  }
}
 
开发者ID:nucypher,项目名称:hadoop-oss,代码行数:18,代码来源:TestLz4CompressorDecompressor.java

示例5: testCompressorDecompressor

import org.apache.hadoop.io.compress.lz4.Lz4Compressor; //导入依赖的package包/类
@Test
public void testCompressorDecompressor() {
  // no more for this data
  int SIZE = 44 * 1024;
  
  byte[] rawData = generate(SIZE);
  try {
    CompressDecompressTester.of(rawData)
        .withCompressDecompressPair(new SnappyCompressor(), new SnappyDecompressor())
        .withCompressDecompressPair(new Lz4Compressor(), new Lz4Decompressor())
        .withCompressDecompressPair(new BuiltInZlibDeflater(), new BuiltInZlibInflater())
        .withTestCases(ImmutableSet.of(CompressionTestStrategy.COMPRESS_DECOMPRESS_SINGLE_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_ERRORS,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_WITH_EMPTY_STREAM))
        .test();

  } catch (Exception ex) {
    fail("testCompressorDecompressor error !!!" + ex);
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:22,代码来源:TestCompressorDecompressor.java

示例6: testCompressorDecompressorWithExeedBufferLimit

import org.apache.hadoop.io.compress.lz4.Lz4Compressor; //导入依赖的package包/类
@Test
public void testCompressorDecompressorWithExeedBufferLimit() {
  int BYTE_SIZE = 100 * 1024;
  byte[] rawData = generate(BYTE_SIZE);
  try {
    CompressDecompressTester.of(rawData)
        .withCompressDecompressPair(
            new SnappyCompressor(BYTE_SIZE + BYTE_SIZE / 2),
            new SnappyDecompressor(BYTE_SIZE + BYTE_SIZE / 2))
        .withCompressDecompressPair(new Lz4Compressor(BYTE_SIZE),
            new Lz4Decompressor(BYTE_SIZE))
        .withTestCases(ImmutableSet.of(CompressionTestStrategy.COMPRESS_DECOMPRESS_SINGLE_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_BLOCK,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_ERRORS,
                    CompressionTestStrategy.COMPRESS_DECOMPRESS_WITH_EMPTY_STREAM))
        .test();

  } catch (Exception ex) {
    fail("testCompressorDecompressorWithExeedBufferLimit error !!!" + ex);
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:22,代码来源:TestCompressorDecompressor.java


注:本文中的org.apache.hadoop.io.compress.lz4.Lz4Compressor类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。