ai.grakn.graql.admin

Interface Answer

All Known Implementing Classes:

QueryAnswer

public interface Answer

Interface for query result class.

Author:

Kasper Piskorski

Method Summary

Modifier and Type	Method and Description
Set<Concept>	concepts()
boolean	containsKey(VarName var)
Answer	copy()
Set<Map.Entry<VarName,Concept>>	entrySet()
Answer	explain(AnswerExplanation exp) explain this answer by providing explanation with preserving the structure of dependent answers
Answer	filterVars(Set<VarName> vars)
Concept	get(VarName var)
Set<Answer>	getAnswers()
AnswerExplanation	getExplanation()
Set<AnswerExplanation>	getExplanations()
Set<Answer>	getExplicitPath()
boolean	isEmpty()
Set<VarName>	keySet()
Map<VarName,Concept>	map()
Answer	merge(Answer a2) perform an answer merge without explanation NB:assumes answers are compatible (concept corresponding to join vars if any are the same)
Answer	merge(Answer a2, boolean explanation) perform an answer merge with optional explanation NB:assumes answers are compatible (concept corresponding to join vars if any are the same)
Concept	put(VarName var, Concept con)
void	putAll(Answer a)
void	putAll(Map<VarName,Concept> m2)
Concept	remove(VarName var)
Answer	setExplanation(AnswerExplanation e)
int	size()
Answer	unify(Unifier unifier)
Collection<Concept>	values()

Method Detail

copy

Answer copy()

keySet

Set<VarName> keySet()

values

Collection<Concept> values()

concepts

Set<Concept> concepts()

entrySet

Set<Map.Entry<VarName,Concept>> entrySet()

get

Concept get(VarName var)

put

Concept put(VarName var,
            Concept con)

remove

Concept remove(VarName var)

map

Map<VarName,Concept> map()

putAll

void putAll(Answer a)

putAll

void putAll(Map<VarName,Concept> m2)

containsKey

boolean containsKey(VarName var)

isEmpty

boolean isEmpty()

size

int size()

merge

Answer merge(Answer a2)

perform an answer merge without explanation NB:assumes answers are compatible (concept corresponding to join vars if any are the same)

Parameters:

a2 - answer to be merged with

Returns:

merged answer

merge

Answer merge(Answer a2,
             boolean explanation)

perform an answer merge with optional explanation NB:assumes answers are compatible (concept corresponding to join vars if any are the same)

Parameters:

a2 - answer to be merged with

explanation - flag for providing explanation

Returns:

merged answer

explain

Answer explain(AnswerExplanation exp)

explain this answer by providing explanation with preserving the structure of dependent answers

Parameters:

exp - explanation for this answer

Returns:

explained answer

filterVars

Answer filterVars(Set<VarName> vars)

unify

Answer unify(Unifier unifier)

getExplanation

AnswerExplanation getExplanation()

setExplanation

Answer setExplanation(AnswerExplanation e)

Parameters:

e - explanation to be set for this answer

Returns:

answer with provided explanation

getExplicitPath

Set<Answer> getExplicitPath()

Returns:

set of answers corresponding to the explicit path

getAnswers

Set<Answer> getAnswers()

Returns:

all answers taking part in the derivation of this answer

getExplanations

Set<AnswerExplanation> getExplanations()

Returns:

all explanations taking part in the derivation of this answer