List of usage examples for org.apache.hadoop.io WritableComparator subclass-usage
From source file org.freeeed.mr.KeyComparator.java
/** * * @author mark */ public class KeyComparator extends WritableComparator { private static final Logger logger = LoggerFactory.getLogger(KeyComparator.class);
From source file org.htuple.TupleComparator.java
/**
* A {@link java.util.Comparator} for {@link org.htuple.Tuple} instances, which can compare a subset of the elements in
* the tuple, which is useful for sorting and grouping when secondary-sort behavior is desired.
* <p/>
* TODO - Optimize space+time by overriding the {@link #compare(byte[], int, int, byte[], int, int)}.
*/
From source file org.huahinframework.core.lib.partition.SimpleGroupingComparator.java
/** * <code>SimpleGroupingComparator</code> grouping key is that you specify in the <code>Record#addGrouping</code>. */ public class SimpleGroupingComparator extends WritableComparator { /** * default constractor
From source file org.huahinframework.core.lib.partition.SimpleSortComparator.java
/** * <code>SimpleSortComparator</code> is sorted by keys that are specified in the <code>Record#addSort</code>. */ public class SimpleSortComparator extends WritableComparator { /** * default constractor
From source file org.rdfhdt.mrbuilder.io.TripleComparator.java
/** * @author chemi * */ @SuppressWarnings("rawtypes") public abstract class TripleComparator<TW extends TripleWritable> extends WritableComparator {
From source file pad.NodeGroupingComparator.java
/** * Thanks to this class, the reducer bundles together records with the same * NodeID while it is streaming the mapper output records from local disk. */ public class NodeGroupingComparator extends WritableComparator { /** Initializes a new instance of the NodeGroupingComparator class. */
From source file SpecializedByState.GroupingStateComparator.java
/** * * @author vishakha */ public class GroupingStateComparator extends WritableComparator {
From source file top10flight.SortKeyComparator.java
/** * * @author priyank */ public class SortKeyComparator extends WritableComparator {
From source file top10_categories.SortKeyComparator.java
/** * * @author Rajat */ class SortKeyComparator extends WritableComparator {
From source file top25products.SortKeyComparator.java
public class SortKeyComparator extends WritableComparator { protected SortKeyComparator() { super(LongWritable.class, true); }