58 lines
1.8 KiB
Java
58 lines
1.8 KiB
Java
/*
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* FileSponge
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* Copyright (C) 2020 Andrea Cavalli
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package org.warp.filesponge;
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import java.util.concurrent.ConcurrentHashMap;
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import lombok.AccessLevel;
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import lombok.AllArgsConstructor;
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import org.warp.filesponge.value.MirrorURI;
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import reactor.core.publisher.Mono;
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@AllArgsConstructor(access = AccessLevel.PUBLIC)
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public class MirrorAvailabilityManager {
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private static final Object NO_VALUE = new Object();
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/**
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* This is a set. the value is not important
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*/
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private final ConcurrentHashMap<MirrorURI, Object> availableMirrors = new ConcurrentHashMap<>();
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public Mono<Void> setAllMirrorsAsUnavailable() {
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return Mono.fromCallable(() -> {
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availableMirrors.clear();
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return null;
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});
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}
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public Mono<Void> setMirrorAvailability(MirrorURI mirrorURI, boolean available) {
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return Mono.fromCallable(() -> {
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if (available) {
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availableMirrors.put(mirrorURI, NO_VALUE);
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} else {
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availableMirrors.remove(mirrorURI);
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}
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return null;
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});
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}
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public Mono<Boolean> isMirrorAvailable(MirrorURI mirrorURI) {
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return Mono.fromCallable(() -> this.availableMirrors.contains(mirrorURI));
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}
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}
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