/
LeaderElectionType.java
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/
LeaderElectionType.java
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/*
* Copyright 2017-present Open Networking Foundation
*
* 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 io.atomix.core.leadership;
import io.atomix.core.leadership.impl.DefaultLeaderElectionBuilder;
import io.atomix.core.leadership.impl.DefaultLeaderElectionService;
import io.atomix.core.leadership.impl.LeaderElectionResource;
import io.atomix.primitive.PrimitiveManagementService;
import io.atomix.primitive.PrimitiveType;
import io.atomix.primitive.resource.PrimitiveResource;
import io.atomix.primitive.service.PrimitiveService;
import io.atomix.primitive.service.ServiceConfig;
import io.atomix.utils.serializer.Namespace;
import static com.google.common.base.MoreObjects.toStringHelper;
/**
* Leader elector primitive type.
*/
public class LeaderElectionType<T> implements PrimitiveType<LeaderElectionBuilder<T>, LeaderElectionConfig, LeaderElection<T>> {
private static final String NAME = "leader-election";
private static final LeaderElectionType INSTANCE = new LeaderElectionType();
/**
* Returns a new leader elector type.
*
* @param <T> the election candidate type
* @return a new leader elector type
*/
@SuppressWarnings("unchecked")
public static <T> LeaderElectionType<T> instance() {
return INSTANCE;
}
@Override
public String name() {
return NAME;
}
@Override
public Namespace namespace() {
return Namespace.builder()
.register(PrimitiveType.super.namespace())
.register(Leadership.class)
.register(Leader.class)
.build();
}
@Override
public PrimitiveService newService(ServiceConfig config) {
return new DefaultLeaderElectionService();
}
@Override
@SuppressWarnings("unchecked")
public PrimitiveResource newResource(LeaderElection<T> primitive) {
return new LeaderElectionResource((AsyncLeaderElection<String>) primitive.async());
}
@Override
public LeaderElectionConfig newConfig() {
return new LeaderElectionConfig();
}
@Override
public LeaderElectionBuilder<T> newBuilder(String name, LeaderElectionConfig config, PrimitiveManagementService managementService) {
return new DefaultLeaderElectionBuilder<>(name, config, managementService);
}
@Override
public String toString() {
return toStringHelper(this)
.add("name", name())
.toString();
}
}