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Java KeyComparator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.KeyValue.KeyComparator的典型用法代码示例。如果您正苦于以下问题:Java KeyComparator类的具体用法?Java KeyComparator怎么用?Java KeyComparator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。



KeyComparator类属于org.apache.hadoop.hbase.KeyValue包,在下文中一共展示了KeyComparator类的12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: HFileWriterV2

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
/** Constructor that takes a path, creates and closes the output stream. */
public HFileWriterV2(Configuration conf, CacheConfig cacheConf,
    FileSystem fs, Path path, FSDataOutputStream ostream, int blockSize,
    Compression.Algorithm compressAlgo, HFileDataBlockEncoder blockEncoder,
    final KeyComparator comparator, final ChecksumType checksumType,
    final int bytesPerChecksum, boolean includeMVCCReadpoint) throws IOException {
  super(cacheConf,
      ostream == null ? createOutputStream(conf, fs, path) : ostream,
      path, blockSize, compressAlgo, blockEncoder, comparator);
  SchemaMetrics.configureGlobally(conf);
  this.checksumType = checksumType;
  this.bytesPerChecksum = bytesPerChecksum;
  this.includeMemstoreTS = includeMVCCReadpoint;
  if (!conf.getBoolean(HConstants.HBASE_CHECKSUM_VERIFICATION, false)) {
    this.minorVersion = 0;
  }
  finishInit(conf);
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:19,代码来源:HFileWriterV2.java


示例2: testComparator

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
public void testComparator() throws IOException {
  if (cacheConf == null) cacheConf = new CacheConfig(conf);
  Path mFile = new Path(ROOT_DIR, "meta.tfile");
  FSDataOutputStream fout = createFSOutput(mFile);
  KeyComparator comparator = new KeyComparator() {
    @Override
    public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2,
        int l2) {
      return -Bytes.compareTo(b1, s1, l1, b2, s2, l2);
    }
    @Override
    public int compare(byte[] o1, byte[] o2) {
      return compare(o1, 0, o1.length, o2, 0, o2.length);
    }
  };
  Writer writer = HFile.getWriterFactory(conf, cacheConf)
      .withOutputStream(fout)
      .withBlockSize(minBlockSize)
      .withComparator(comparator)
      .create();
  writer.append("3".getBytes(), "0".getBytes());
  writer.append("2".getBytes(), "0".getBytes());
  writer.append("1".getBytes(), "0".getBytes());
  writer.close();
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:26,代码来源:TestHFile.java


示例3: AbstractHFileWriter

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
public AbstractHFileWriter(CacheConfig cacheConf,
    FSDataOutputStream outputStream, Path path, int blockSize,
    Compression.Algorithm compressAlgo,
    HFileDataBlockEncoder dataBlockEncoder,
    KeyComparator comparator) {
  super(null, path);
  this.outputStream = outputStream;
  this.path = path;
  this.name = path != null ? path.getName() : outputStream.toString();
  this.blockSize = blockSize;
  this.compressAlgo = compressAlgo == null
      ? HFile.DEFAULT_COMPRESSION_ALGORITHM : compressAlgo;
  this.blockEncoder = dataBlockEncoder != null
      ? dataBlockEncoder : NoOpDataBlockEncoder.INSTANCE;
  this.comparator = comparator != null ? comparator
      : Bytes.BYTES_RAWCOMPARATOR;

  closeOutputStream = path != null;
  this.cacheConf = cacheConf;
}
 
开发者ID:wanhao,项目名称:IRIndex,代码行数:21,代码来源:AbstractHFileWriter.java


示例4: AbstractHFileWriter

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
public AbstractHFileWriter(CacheConfig cacheConf,
    FSDataOutputStream outputStream, Path path, int blockSize,
    Compression.Algorithm compressAlgo,
    HFileDataBlockEncoder dataBlockEncoder,
    KeyComparator comparator) {
  this.outputStream = outputStream;
  this.path = path;
  this.name = path != null ? path.getName() : outputStream.toString();
  this.blockSize = blockSize;
  this.compressAlgo = compressAlgo == null
      ? HFile.DEFAULT_COMPRESSION_ALGORITHM : compressAlgo;
  this.blockEncoder = dataBlockEncoder != null
      ? dataBlockEncoder : NoOpDataBlockEncoder.INSTANCE;
  this.comparator = comparator != null ? comparator
      : Bytes.BYTES_RAWCOMPARATOR;

  closeOutputStream = path != null;
  this.cacheConf = cacheConf;
}
 
开发者ID:daidong,项目名称:DominoHBase,代码行数:20,代码来源:AbstractHFileWriter.java


示例5: createWriter

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
@Override
public Writer createWriter(FileSystem fs, Path path,
    FSDataOutputStream ostream, int blockSize,
    Compression.Algorithm compress, HFileDataBlockEncoder blockEncoder,
    final KeyComparator comparator, final ChecksumType checksumType,
    final int bytesPerChecksum, boolean includeMVCCReadpoint) throws IOException {
  return new HFileWriterV2(conf, cacheConf, fs, path, ostream, blockSize, compress,
      blockEncoder, comparator, checksumType, bytesPerChecksum, includeMVCCReadpoint);
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:10,代码来源:HFileWriterV2.java


示例6: createWriter

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
@Override
public Writer createWriter(FileSystem fs, Path path,
    FSDataOutputStream ostream, int blockSize,
    Algorithm compressAlgo, HFileDataBlockEncoder dataBlockEncoder,
    KeyComparator comparator, final ChecksumType checksumType,
    final int bytesPerChecksum, boolean includeMVCCReadpoint) throws IOException {
  // version 1 does not implement checksums
  return new HFileWriterV1(conf, cacheConf, fs, path, ostream, blockSize,
      compressAlgo, dataBlockEncoder, comparator);
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:11,代码来源:HFileWriterV1.java


示例7: HFileWriterV1

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
/** Constructor that takes a path, creates and closes the output stream. */
public HFileWriterV1(Configuration conf, CacheConfig cacheConf,
    FileSystem fs, Path path, FSDataOutputStream ostream,
    int blockSize, Compression.Algorithm compress,
    HFileDataBlockEncoder blockEncoder,
    final KeyComparator comparator) throws IOException {
  super(cacheConf, ostream == null ? createOutputStream(conf, fs, path) : ostream, path,
      blockSize, compress, blockEncoder, comparator);
  SchemaMetrics.configureGlobally(conf);
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:11,代码来源:HFileWriterV1.java


示例8: AbstractHFileWriter

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
public AbstractHFileWriter(CacheConfig cacheConf, FSDataOutputStream outputStream, Path path,
    int blockSize, Compression.Algorithm compressAlgo, HFileDataBlockEncoder dataBlockEncoder,
    KeyComparator comparator) {
  super(null, path);
  this.outputStream = outputStream;
  this.path = path;
  this.name = path != null ? path.getName() : outputStream.toString();
  this.blockSize = blockSize;
  this.compressAlgo = compressAlgo == null ? HFile.DEFAULT_COMPRESSION_ALGORITHM : compressAlgo;
  this.blockEncoder = dataBlockEncoder != null ? dataBlockEncoder : NoOpDataBlockEncoder.INSTANCE;
  this.comparator = comparator != null ? comparator : Bytes.BYTES_RAWCOMPARATOR;

  closeOutputStream = path != null;
  this.cacheConf = cacheConf;
}
 
开发者ID:fengchen8086,项目名称:LCIndex-HBase-0.94.16,代码行数:16,代码来源:AbstractHFileWriter.java


示例9: createWriter

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
@Override
public Writer createWriter(FileSystem fs, Path path, int blockSize,
    Compression.Algorithm compress,
    final KeyComparator comparator) throws IOException {
  return new HFileWriterV2(conf, cacheConf, fs, path, blockSize,
      compress, comparator);
}
 
开发者ID:lifeng5042,项目名称:RStore,代码行数:8,代码来源:HFileWriterV2.java


示例10: HFileWriterV2

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
/**
 * Constructor that takes a path, creates and closes the output stream. Takes
 * compression algorithm name as string.
 */
public HFileWriterV2(Configuration conf, CacheConfig cacheConf, FileSystem fs,
    Path path, int blockSize, String compressAlgoName,
    final KeyComparator comparator) throws IOException {
  this(conf, cacheConf, fs, path, blockSize,
      compressionByName(compressAlgoName), comparator);
}
 
开发者ID:lifeng5042,项目名称:RStore,代码行数:11,代码来源:HFileWriterV2.java


示例11: createWriter

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
@Override
public Writer createWriter(FileSystem fs, Path path, int blockSize,
    Compression.Algorithm compressAlgo, final KeyComparator comparator)
    throws IOException {
  return new HFileWriterV1(conf, cacheConf, fs, path, blockSize,
      compressAlgo, comparator);
}
 
开发者ID:lifeng5042,项目名称:RStore,代码行数:8,代码来源:HFileWriterV1.java


示例12: HFileWriterV1

import org.apache.hadoop.hbase.KeyValue.KeyComparator; //导入依赖的package包/类
/**
 * Constructor that takes a path, creates and closes the output stream. Takes
 * compression algorithm name as string.
 */
public HFileWriterV1(Configuration conf, CacheConfig cacheConf, FileSystem fs,
    Path path, int blockSize, String compressAlgoName,
    final KeyComparator comparator) throws IOException {
  this(conf, cacheConf, fs, path, blockSize,
      compressionByName(compressAlgoName), comparator);
}
 
开发者ID:lifeng5042,项目名称:RStore,代码行数:11,代码来源:HFileWriterV1.java



注:本文中的org.apache.hadoop.hbase.KeyValue.KeyComparator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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