net.automatalib.util.minimizer.OriginalStateCollection Maven / Gradle / Ivy
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This artifact provides various common utility operations for analyzing and manipulating
automata and graphs, such as traversal, minimization and copying.
/* Copyright (C) 2013-2019 TU Dortmund
* This file is part of AutomataLib, http://www.automatalib.net/.
*
* 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 net.automatalib.util.minimizer;
import java.util.AbstractCollection;
import java.util.Collection;
import java.util.Iterator;
import com.google.common.collect.Iterators;
/**
* Class that maps a {@link Collection} of states to a collection of the respective original states.
*
* @param
* state class.
*
* @author Malte Isberner
*/
class OriginalStateCollection extends AbstractCollection {
private final Collection> stateColl;
/**
* Constructor.
*
* @param stateColl
* the backing state collection.
*/
OriginalStateCollection(Collection> stateColl) {
this.stateColl = stateColl;
}
@Override
public Iterator iterator() {
return Iterators.transform(stateColl.iterator(), State::getOriginalState);
}
@Override
public int size() {
return stateColl.size();
}
}