本文整理汇总了Java中org.apache.hadoop.hbase.io.encoding.DataBlockEncoding.FAST_DIFF属性的典型用法代码示例。如果您正苦于以下问题：Java DataBlockEncoding.FAST_DIFF属性的具体用法？Java DataBlockEncoding.FAST_DIFF怎么用？Java DataBlockEncoding.FAST_DIFF使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hbase.io.encoding.DataBlockEncoding的用法示例。
在下文中一共展示了DataBlockEncoding.FAST_DIFF属性的2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: testDataBlockEncodingMetaData
/**
* Check if data block encoding information is saved correctly in HFile's
* file info.
*/
public void testDataBlockEncodingMetaData() throws IOException {
// Make up a directory hierarchy that has a regiondir ("7e0102") and familyname.
Path dir = new Path(new Path(this.testDir, "7e0102"), "familyname");
Path path = new Path(dir, "1234567890");
DataBlockEncoding dataBlockEncoderAlgo =
DataBlockEncoding.FAST_DIFF;
HFileDataBlockEncoder dataBlockEncoder =
new HFileDataBlockEncoderImpl(
dataBlockEncoderAlgo);
cacheConf = new CacheConfig(conf);
HFileContext meta = new HFileContextBuilder().withBlockSize(BLOCKSIZE_SMALL)
.withChecksumType(CKTYPE)
.withBytesPerCheckSum(CKBYTES)
.withDataBlockEncoding(dataBlockEncoderAlgo)
.build();
// Make a store file and write data to it.
StoreFile.Writer writer = new StoreFile.WriterBuilder(conf, cacheConf, this.fs)
.withFilePath(path)
.withMaxKeyCount(2000)
.withFileContext(meta)
.build();
writer.close();
StoreFile storeFile = new StoreFile(fs, writer.getPath(), conf,
cacheConf, BloomType.NONE);
StoreFile.Reader reader = storeFile.createReader();
Map<byte[], byte[]> fileInfo = reader.loadFileInfo();
byte[] value = fileInfo.get(HFileDataBlockEncoder.DATA_BLOCK_ENCODING);
assertEquals(dataBlockEncoderAlgo.getNameInBytes(), value);
}
示例2: testDataBlockEncodingMetaData
/**
* Check if data block encoding information is saved correctly in HFile's
* file info.
*/
public void testDataBlockEncodingMetaData() throws IOException {
// Make up a directory hierarchy that has a regiondir ("7e0102") and familyname.
Path dir = new Path(new Path(this.testDir, "7e0102"), "familyname");
Path path = new Path(dir, "1234567890");
DataBlockEncoding dataBlockEncoderAlgo =
DataBlockEncoding.FAST_DIFF;
HFileDataBlockEncoder dataBlockEncoder =
new HFileDataBlockEncoderImpl(
dataBlockEncoderAlgo,
dataBlockEncoderAlgo);
cacheConf = new CacheConfig(conf);
StoreFile.Writer writer = new StoreFile.WriterBuilder(conf, cacheConf, fs,
HFile.DEFAULT_BLOCKSIZE)
.withFilePath(path)
.withDataBlockEncoder(dataBlockEncoder)
.withMaxKeyCount(2000)
.withChecksumType(CKTYPE)
.withBytesPerChecksum(CKBYTES)
.build();
writer.close();
StoreFile storeFile = new StoreFile(fs, writer.getPath(), conf,
cacheConf, BloomType.NONE, dataBlockEncoder);
StoreFile.Reader reader = storeFile.createReader();
Map<byte[], byte[]> fileInfo = reader.loadFileInfo();
byte[] value = fileInfo.get(HFileDataBlockEncoder.DATA_BLOCK_ENCODING);
assertEquals(dataBlockEncoderAlgo.getNameInBytes(), value);
}