com.qwazr.cluster.ClusterNode Maven / Gradle / Ivy
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/*
* Copyright 2015-2017 Emmanuel Keller / QWAZR
*
* 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.qwazr.cluster;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.UUID;
final class ClusterNode {
final ClusterNodeAddress address;
final UUID nodeLiveId;
private final Set groups;
private final Set services;
private volatile Long expirationTimeMs;
private volatile List groupsCache;
private volatile List servicesCache;
ClusterNode(final ClusterNodeAddress address, final UUID nodeLiveId, final Long expirationTimeMs) {
this.nodeLiveId = nodeLiveId;
this.address = address;
this.expirationTimeMs = expirationTimeMs;
this.groups = new HashSet<>();
this.services = new HashSet<>();
groupsCache = null;
servicesCache = null;
}
final void setExpirationTime(final Long expirationTimeMs) {
this.expirationTimeMs = expirationTimeMs;
}
final Long getExpirationTimeMs() {
return expirationTimeMs;
}
final boolean isExpired(final long currentTimeMs) {
final Long ns = expirationTimeMs;
return ns != null && currentTimeMs > expirationTimeMs;
}
final void registerGroups(final Collection newGroups) {
if (newGroups == null)
return;
groups.clear();
groups.addAll(newGroups);
groupsCache = new ArrayList<>(groups);
}
final void registerServices(final Collection newServices) {
if (newServices == null)
return;
services.clear();
services.addAll(newServices);
servicesCache = new ArrayList<>(services);
}
final Collection getGroups() {
return groupsCache;
}
final Collection getServices() {
return servicesCache;
}
}