net.automatalib.incremental.mealy.dag.State Maven / Gradle / Ivy

Go to download
/* Copyright (C) 2013-2018 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.incremental.mealy.dag;

public final class State {

    private final StateSignature signature;
    private int numIncoming;

    public State(StateSignature signature) {
        this.signature = signature;
    }

    public void increaseIncoming() {
        numIncoming++;
    }

    public void decreaseIncoming() {
        numIncoming--;
    }

    public int getNumIncoming() {
        return numIncoming;
    }

    public boolean isConfluence() {
        return (numIncoming > 1);
    }

    public State getSuccessor(int idx) {
        return signature.successors[idx];
    }

    public Object getOutput(int idx) {
        return signature.outputs[idx];
    }

    public StateSignature getSignature() {
        return signature;
    }
}