org.apache.lens.cube.parse

Class CandidateUtil

java.lang.Object

org.apache.lens.cube.parse.CandidateUtil

public final class CandidateUtil
extends Object

Placeholder for Util methods that will be required for Candidate

Method Summary

Modifier and Type	Method and Description
static Collection<Candidate>	filterCandidates(Collection<Candidate> candidates, Candidate filterCandidate) Filters Candidates that contain the filterCandidate
static Set<String>	getColumns(Collection<org.apache.lens.cube.parse.QueriedPhraseContext> queriedPhraseContexts)
static Set<StorageCandidate>	getStorageCandidates(Candidate candidate)
static Set<StorageCandidate>	getStorageCandidates(Collection<? extends Candidate> candidates) Gets all the Storage Candidates that participate in the collection of passed candidates

Methods inherited from class java.lang.Object

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

Method Detail

getStorageCandidates

public static Set<StorageCandidate> getStorageCandidates(Candidate candidate)

getColumns

public static Set<String> getColumns(Collection<org.apache.lens.cube.parse.QueriedPhraseContext> queriedPhraseContexts)

filterCandidates

public static Collection<Candidate> filterCandidates(Collection<Candidate> candidates,
                                                     Candidate filterCandidate)

Filters Candidates that contain the filterCandidate

Parameters:

candidates -

filterCandidate -

Returns:

pruned Candidates

getStorageCandidates

public static Set<StorageCandidate> getStorageCandidates(Collection<? extends Candidate> candidates)

Gets all the Storage Candidates that participate in the collection of passed candidates

Parameters:

candidates -

Returns: