List of usage examples for org.apache.hadoop.io RawComparator interface-usage
From source file org.springframework.hadoop.mapreduce.AutowiringGroupingComparator.java
/** * @author Dave Syer * */ public class AutowiringGroupingComparator<K> implements RawComparator<K>, Configurable {
From source file org.springframework.hadoop.mapreduce.AutowiringSortComparator.java
/** * @author Dave Syer * */ public class AutowiringSortComparator<K> implements RawComparator<K>, Configurable {
From source file org.terrier.structures.postings.PostingIdComparator.java
/** A comparator object for Posting objects, where they are sorted by id. * @since 3.0 */ public class PostingIdComparator implements Comparator<Posting>, RawComparator<Posting>, Serializable { private static final long serialVersionUID = 1L; /** Compare Posting objects by id */
From source file simsql.runtime.RecordKeyGroupingComparator.java
/** * This is used to group records so that all records in the same * group are given to the same reducer. In our case, this means * that all records with the same hashcode */ public class RecordKeyGroupingComparator implements RawComparator<RecordKey> {
From source file simsql.runtime.RecordKeySortComparator.java
/**
* This is lke the RecordKeyGroupingComparator, except that it also
* takes into account the typeCode of the underlying record to
* make sure that records of one type come before records of
* another type in the reducer
*/
From source file tap.core.BinaryKeyComparator.java
/** The {@link RawComparator} used by jobs configured with {@link AvroJob}. */ public class BinaryKeyComparator extends Configured implements RawComparator<AvroWrapper<BinaryKey>> { private Schema schema; public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) {
From source file voldemort.store.readonly.mr.serialization.JsonDeserializerComparator.java
/**
* A hadoop RawComparator that deserializes first. Usefull for sorting JSON
* objects
*
* @author jay
*