Java Code Examples for org.apache.hadoop.io.compress.BZip2Codec#setConf()

The following examples show how to use org.apache.hadoop.io.compress.BZip2Codec#setConf() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestLineRecordReader.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
@Test
public void testMultipleClose() throws IOException {
  URL testFileUrl = getClass().getClassLoader().
      getResource("recordSpanningMultipleSplits.txt.bz2");
  assertNotNull("Cannot find recordSpanningMultipleSplits.txt.bz2",
      testFileUrl);
  File testFile = new File(testFileUrl.getFile());
  Path testFilePath = new Path(testFile.getAbsolutePath());
  long testFileSize = testFile.length();
  Configuration conf = new Configuration();
  conf.setInt(org.apache.hadoop.mapreduce.lib.input.
      LineRecordReader.MAX_LINE_LENGTH, Integer.MAX_VALUE);
  FileSplit split = new FileSplit(testFilePath, 0, testFileSize,
      (String[])null);

  LineRecordReader reader = new LineRecordReader(conf, split);
  LongWritable key = new LongWritable();
  Text value = new Text();
  //noinspection StatementWithEmptyBody
  while (reader.next(key, value)) ;
  reader.close();
  reader.close();

  BZip2Codec codec = new BZip2Codec();
  codec.setConf(conf);
  Set<Decompressor> decompressors = new HashSet<Decompressor>();
  for (int i = 0; i < 10; ++i) {
    decompressors.add(CodecPool.getDecompressor(codec));
  }
  assertEquals(10, decompressors.size());
}
Example 2
Source File: TestLineRecordReader.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
@Test
public void testMultipleClose() throws IOException {
  URL testFileUrl = getClass().getClassLoader().
      getResource("recordSpanningMultipleSplits.txt.bz2");
  assertNotNull("Cannot find recordSpanningMultipleSplits.txt.bz2",
      testFileUrl);
  File testFile = new File(testFileUrl.getFile());
  Path testFilePath = new Path(testFile.getAbsolutePath());
  long testFileSize = testFile.length();
  Configuration conf = new Configuration();
  conf.setInt(org.apache.hadoop.mapreduce.lib.input.
      LineRecordReader.MAX_LINE_LENGTH, Integer.MAX_VALUE);
  TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());

  // read the data and check whether BOM is skipped
  FileSplit split = new FileSplit(testFilePath, 0, testFileSize, null);
  LineRecordReader reader = new LineRecordReader();
  reader.initialize(split, context);

  //noinspection StatementWithEmptyBody
  while (reader.nextKeyValue()) ;
  reader.close();
  reader.close();

  BZip2Codec codec = new BZip2Codec();
  codec.setConf(conf);
  Set<Decompressor> decompressors = new HashSet<Decompressor>();
  for (int i = 0; i < 10; ++i) {
    decompressors.add(CodecPool.getDecompressor(codec));
  }
  assertEquals(10, decompressors.size());
}
Example 3
Source File: TestLineRecordReader.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testMultipleClose() throws IOException {
  URL testFileUrl = getClass().getClassLoader().
      getResource("recordSpanningMultipleSplits.txt.bz2");
  assertNotNull("Cannot find recordSpanningMultipleSplits.txt.bz2",
      testFileUrl);
  File testFile = new File(testFileUrl.getFile());
  Path testFilePath = new Path(testFile.getAbsolutePath());
  long testFileSize = testFile.length();
  Configuration conf = new Configuration();
  conf.setInt(org.apache.hadoop.mapreduce.lib.input.
      LineRecordReader.MAX_LINE_LENGTH, Integer.MAX_VALUE);
  FileSplit split = new FileSplit(testFilePath, 0, testFileSize,
      (String[])null);

  LineRecordReader reader = new LineRecordReader(conf, split);
  LongWritable key = new LongWritable();
  Text value = new Text();
  //noinspection StatementWithEmptyBody
  while (reader.next(key, value)) ;
  reader.close();
  reader.close();

  BZip2Codec codec = new BZip2Codec();
  codec.setConf(conf);
  Set<Decompressor> decompressors = new HashSet<Decompressor>();
  for (int i = 0; i < 10; ++i) {
    decompressors.add(CodecPool.getDecompressor(codec));
  }
  assertEquals(10, decompressors.size());
}
Example 4
Source File: TestLineRecordReader.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testMultipleClose() throws IOException {
  URL testFileUrl = getClass().getClassLoader().
      getResource("recordSpanningMultipleSplits.txt.bz2");
  assertNotNull("Cannot find recordSpanningMultipleSplits.txt.bz2",
      testFileUrl);
  File testFile = new File(testFileUrl.getFile());
  Path testFilePath = new Path(testFile.getAbsolutePath());
  long testFileSize = testFile.length();
  Configuration conf = new Configuration();
  conf.setInt(org.apache.hadoop.mapreduce.lib.input.
      LineRecordReader.MAX_LINE_LENGTH, Integer.MAX_VALUE);
  TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());

  // read the data and check whether BOM is skipped
  FileSplit split = new FileSplit(testFilePath, 0, testFileSize, null);
  LineRecordReader reader = new LineRecordReader();
  reader.initialize(split, context);

  //noinspection StatementWithEmptyBody
  while (reader.nextKeyValue()) ;
  reader.close();
  reader.close();

  BZip2Codec codec = new BZip2Codec();
  codec.setConf(conf);
  Set<Decompressor> decompressors = new HashSet<Decompressor>();
  for (int i = 0; i < 10; ++i) {
    decompressors.add(CodecPool.getDecompressor(codec));
  }
  assertEquals(10, decompressors.size());
}