org.jboss.hal.dmr.dispatch.ProcessState Maven / Gradle / Ivy

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Contains classes to talk to the domain controller using the DMR protocol

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/*
 *  Copyright 2022 Red Hat
 *
 *  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
 *
 *      https://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 org.jboss.hal.dmr.dispatch;

import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

public class ProcessState implements Iterable {

    private final Set serverStates;

    ProcessState() {
        serverStates = new HashSet<>();
    }

    public void add(ServerState serverState) {
        serverStates.add(serverState);
    }

    @Override
    public Iterator iterator() {
        return serverStates.iterator();
    }

    public boolean isEmpty() {
        return serverStates.isEmpty();
    }

    public ServerState first() {
        if (!serverStates.isEmpty()) {
            return serverStates.iterator().next();
        }
        return null;
    }

    public int size() {
        return serverStates.size();
    }
}