com.marklogic.mapreduce.functions
Class CooccurrencesFunction

java.lang.Object
  com.marklogic.mapreduce.functions.LexiconFunction
      com.marklogic.mapreduce.functions.CooccurrencesFunction

Direct Known Subclasses:

ElemAttrValueCooccurrences, ElemValueCooccurrences, FieldValueCooccurrences, ValueCooccurrences

public abstract class CooccurrencesFunction
extends LexiconFunction

Supper class of wrapper classes for supported co-occurrences lexicon functions, such as cts:element-value-co-occurrences.

All co-occurrences functions using this API do NOT preserve frequency order even if "frequency-order" option is specified.

Constructor Summary

CooccurrencesFunction()

Method Summary

String

getInputQuery(Collection<String> nsCol, long start, long count) Get the input query used by a record reader.

Methods inherited from class com.marklogic.mapreduce.functions.LexiconFunction

getLexiconQuery, getUserDefinedOptions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CooccurrencesFunction

public CooccurrencesFunction()

Method Detail

getInputQuery

public String getInputQuery(Collection<String> nsCol,
                            long start,
                            long count)

Description copied from class: LexiconFunction

Get the input query used by a record reader. Users must not override this method.

Specified by:

getInputQuery in class LexiconFunction

Parameters:

nsCol - alias-URI pairs of namespace specs

start - start of the split

count - count of the split

Returns:

input query.