de.learnlib.api.query

Class DefaultQuery<I,D>

java.lang.Object

de.learnlib.api.query.Query<I,D>

de.learnlib.api.query.AbstractQuery<I,D>

de.learnlib.api.query.DefaultQuery<I,D>

Type Parameters:

I - input symbol type

D - output domain type

@ParametersAreNonnullByDefault
public class DefaultQuery<I,D>
extends AbstractQuery<I,D>

A query is a container for tests a learning algorithms performs, containing the actual test and the corresponding result.

Author:

Maik Merten

Field Summary

Fields inherited from class de.learnlib.api.query.AbstractQuery

prefix, suffix

Constructor Summary

Constructors

Constructor and Description
DefaultQuery(Query<I,?> query)
DefaultQuery(Word<I> input)
DefaultQuery(Word<I> input, D output)
DefaultQuery(Word<I> prefix, Word<I> suffix)
DefaultQuery(Word<I> prefix, Word<I> suffix, D output)

Method Summary

Modifier and Type	Method and Description
void	answer(D output) Answers the query.
D	getOutput()
boolean	isNormalized() Checks if the query is normalized, i.e., if all the information is stored in the suffix part of the counterexample.
String	toString() Returns the string representation of this query.

Methods inherited from class de.learnlib.api.query.AbstractQuery

getPrefix, getSuffix, toStringWithAnswer

Methods inherited from class de.learnlib.api.query.Query

equals, getInput, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DefaultQuery

public DefaultQuery(Word<I> prefix,
                    Word<I> suffix,
                    @Nullable
                    D output)

DefaultQuery

public DefaultQuery(Word<I> prefix,
                    Word<I> suffix)

DefaultQuery

public DefaultQuery(Word<I> input)

DefaultQuery

public DefaultQuery(Word<I> input,
                    @Nullable
                    D output)

DefaultQuery

public DefaultQuery(Query<I,?> query)

Method Detail

getOutput

@Nullable
public D getOutput()

isNormalized

public boolean isNormalized()

Checks if the query is normalized, i.e., if all the information is stored in the suffix part of the counterexample.

Returns:

true if the counterexample is normalized, false otherwise.

answer

public void answer(@Nullable
                   D output)

Description copied from class: Query

Answers the query. This method should be called by a MembershipOracle, and only once per query to process. Calling this method more than once may result in undefined behavior, possibly (but not necessarily) throwing an exception.

Specified by:

answer in class Query<I,D>

Parameters:

output - the output, i.e., the response to the query

toString

public String toString()

Description copied from class: Query

Returns the string representation of this query.

Overrides:

toString in class Query<I,D>

Returns:

A string of the form "Query[<prefix>|<suffix>]" for queries not containing an answer or "Query[<prefix>|<suffix> / <answer>]" if an answer may be specified.

See Also:

AbstractQuery.toStringWithAnswer(Object)