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/*
 * Copyright © 2017-2023 Ocado (Ocava)
 *
 * 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 com.ocadotechnology.scenario;

import java.util.concurrent.atomic.AtomicBoolean;

public abstract class BroadcastStep extends NamedStep implements Executable {
    private final AtomicBoolean finished = new AtomicBoolean(false);
    private Executable mergedStep;
    
    public BroadcastStep(Class type) {
        super(type);
    }
    
    @Override
    public boolean isRequired() {
        return true;
    }
    
    @Override
    public boolean isFinished() {
        return finished.get();
    }
    
    @Override
    public void execute() {
        finished.set(true);
        broadcast();
        if (mergedStep != null) {
            mergedStep.executeAndLog();
        }
    }
    
    @Override
    public boolean isMergeable() {
        return true;
    }
    
    @Override
    public void merge(Executable mergedStep) {
        this.mergedStep = mergedStep;
    }
    
    protected abstract void broadcast();
}