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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.internal.baseline;
import java.util.Collection;
import org.apache.ignite.internal.configuration.ConfigurationManager;
import org.apache.ignite.internal.metastorage.MetaStorageManager;
import org.apache.ignite.network.ClusterNode;
import org.apache.ignite.network.ClusterService;
/**
* Baseline manager is responsible for handling baseline related logic.
*/
// TODO: IGNITE-14586 Remove @SuppressWarnings when implementation provided.
// TODO: https://issues.apache.org/jira/browse/IGNITE-14716 Adapt concept of baseline topology IEP-4.
@SuppressWarnings({"FieldCanBeLocal", "unused"}) public class BaselineManager {
/** Configuration manager in order to handle and listen baseline specific configuration.*/
private final ConfigurationManager configurationMgr;
/**
* MetaStorage manager in order to watch private distributed baseline specific configuration,
* cause ConfigurationManger handles only public configuration.
*/
private final MetaStorageManager metastorageMgr;
/** Cluster network service in order to retrieve information about current cluster nodes. */
private final ClusterService clusterSvc;
/**
* The constructor.
*
* @param configurationMgr Configuration manager.
* @param metastorageMgr MetaStorage manager.
* @param clusterSvc Cluster network service.
*/
public BaselineManager(
ConfigurationManager configurationMgr,
MetaStorageManager metastorageMgr,
ClusterService clusterSvc
) {
this.configurationMgr = configurationMgr;
this.metastorageMgr = metastorageMgr;
this.clusterSvc = clusterSvc;
}
/**
* Gets all nodes which participant in baseline and may process user data.
*
* @return All nodes which were in baseline.
*/
public Collection<ClusterNode> nodes() {
return clusterSvc.topologyService().allMembers();
}
}