List of nextKeyValue() Examples

Examples of nextKeyValue()

Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()


    // first initialize() call comes from MapTask. We'll do it here.
    rr.initialize(split, context);


    // First value is first filename.
    assertTrue(rr.nextKeyValue());
    assertEquals("file1", rr.getCurrentValue().toString());


    // The inner RR will return false, because it only emits one (k, v) pair.
    // But there's another sub-split to process. This returns true to us.
    assertTrue(rr.nextKeyValue());

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Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()

    assertTrue(rr.nextKeyValue());
    assertEquals("file1", rr.getCurrentValue().toString());


    // The inner RR will return false, because it only emits one (k, v) pair.
    // But there's another sub-split to process. This returns true to us.
    assertTrue(rr.nextKeyValue());
    
    // And the 2nd rr will have its initialize method called correctly.
    assertEquals("file2", rr.getCurrentValue().toString());
    
    // But after both child RR's have returned their singleton (k, v), this

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Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()

    // And the 2nd rr will have its initialize method called correctly.
    assertEquals("file2", rr.getCurrentValue().toString());
    
    // But after both child RR's have returned their singleton (k, v), this
    // should also return false.
    assertFalse(rr.nextKeyValue());
  }


  public void testSplitPlacement() throws Exception {
    MiniDFSCluster dfs = null;
    FileSystem fileSys = null;

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Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()


    // first initialize() call comes from MapTask. We'll do it here.
    rr.initialize(split, context);


    // First value is first filename.
    assertTrue(rr.nextKeyValue());
    assertEquals("file1", rr.getCurrentValue().toString());


    // The inner RR will return false, because it only emits one (k, v) pair.
    // But there's another sub-split to process. This returns true to us.
    assertTrue(rr.nextKeyValue());

View Full Code Here

Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()

    assertTrue(rr.nextKeyValue());
    assertEquals("file1", rr.getCurrentValue().toString());


    // The inner RR will return false, because it only emits one (k, v) pair.
    // But there's another sub-split to process. This returns true to us.
    assertTrue(rr.nextKeyValue());
    
    // And the 2nd rr will have its initialize method called correctly.
    assertEquals("file2", rr.getCurrentValue().toString());
    
    // But after both child RR's have returned their singleton (k, v), this

View Full Code Here

Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()

    // And the 2nd rr will have its initialize method called correctly.
    assertEquals("file2", rr.getCurrentValue().toString());
    
    // But after both child RR's have returned their singleton (k, v), this
    // should also return false.
    assertFalse(rr.nextKeyValue());
  }


  public void testSplitPlacement() throws IOException {
    MiniDFSCluster dfs = null;
    FileSystem fileSys = null;

View Full Code Here

Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()


    // first initialize() call comes from MapTask. We'll do it here.
    rr.initialize(split, context);


    // First value is first filename.
    assertTrue(rr.nextKeyValue());
    assertEquals("file1", rr.getCurrentValue().toString());


    // The inner RR will return false, because it only emits one (k, v) pair.
    // But there's another sub-split to process. This returns true to us.
    assertTrue(rr.nextKeyValue());

View Full Code Here

Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()

    assertTrue(rr.nextKeyValue());
    assertEquals("file1", rr.getCurrentValue().toString());


    // The inner RR will return false, because it only emits one (k, v) pair.
    // But there's another sub-split to process. This returns true to us.
    assertTrue(rr.nextKeyValue());
    
    // And the 2nd rr will have its initialize method called correctly.
    assertEquals("file2", rr.getCurrentValue().toString());
    
    // But after both child RR's have returned their singleton (k, v), this

View Full Code Here

Examples of org.apache.hadoop.mapreduce.RecordReader.nextKeyValue()

    // And the 2nd rr will have its initialize method called correctly.
    assertEquals("file2", rr.getCurrentValue().toString());
    
    // But after both child RR's have returned their singleton (k, v), this
    // should also return false.
    assertFalse(rr.nextKeyValue());
  }


  public void testSplitPlacement() throws IOException {
    MiniDFSCluster dfs = null;
    FileSystem fileSys = null;

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Examples of org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader.nextKeyValue()

    assertEquals(tuple.get(0), new Text("mykey1"));
    assertEquals(tuple.get(1), new BytesWritable("test123".getBytes()));
    
    // returns null when no more tuples are available
    reader = EasyMock.createMock(SequenceFileRecordReader.class);
    EasyMock.expect(reader.nextKeyValue()).andReturn(false);
    EasyMock.replay(reader);
    underTest.reader = reader;
    
    tuple = underTest.getNext();
    assertNull(tuple);

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