本文整理汇总了Java中org.apache.hadoop.io.compress.lz4.Lz4Compressor类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;
}
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);
}
}
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);
}
}
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 !!!");
}
}
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);
}
}
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);
}
}