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/* Copyright (C) 2013-2015 TU Dortmund
* This file is part of LearnLib, http://www.learnlib.de/.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.learnlib.api;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import net.automatalib.words.Word;
import de.learnlib.oracles.QueryAnswererOracle;
/**
*
* @author Malte Isberner
*
* @param input symbol type
* @param output domain type
*/
@ParametersAreNonnullByDefault
public interface QueryAnswerer {
@Nullable
default public D answerQuery(Word input) {
return answerQuery(Word.epsilon(), input);
}
@Nullable
public D answerQuery(Word prefix, Word suffix);
@Nonnull
default public MembershipOracle asOracle() {
return new QueryAnswererOracle<>(this);
}
}