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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.configuration;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.function.Supplier;
import org.apache.ignite.configuration.ConfigurationValue;
/**
* Manages storage paths for Ignite.
*/
public class IgnitePaths {
/**
* Path to the base directory of the partitions data.
*/
private static final Path PARTITIONS_BASE_PATH = Paths.get("partitions");
/**
* Path to the persistent storage used by the VaultService component.
*/
private static final Path VAULT_DB_PATH = Paths.get("vault");
/**
* Path to the persistent storage used by the MetaStorageManager component.
*/
private static final Path METASTORAGE_PATH = Paths.get("metastorage");
/**
* Path to the persistent storage used by the ClusterManagementGroupManager component.
*/
private static final Path CMG_PATH = Paths.get("cmg");
/**
* Gets paths where partition data is stored.
*
* @param systemConfiguration System configuration.
* @param workDir Node's working dir.
* @return Working dir subtree structure representation for partitions.
*/
public static ComponentWorkingDir partitionsPath(SystemLocalConfiguration systemConfiguration, Path workDir) {
Path basePath = pathOrDefault(systemConfiguration.partitionsBasePath(), () -> workDir.resolve(PARTITIONS_BASE_PATH));
return new ComponentWorkingDir(basePath) {
@Override
public Path raftLogPath() {
return pathOrDefault(systemConfiguration.partitionsLogPath(), super::raftLogPath);
}
};
}
/**
* Gets paths where metastorage data is stored.
*
* @param systemConfiguration System configuration.
* @param workDir Node's working dir.
* @return Working dir subtree structure representation for metastorage.
*/
public static ComponentWorkingDir metastoragePath(SystemLocalConfiguration systemConfiguration, Path workDir) {
Path basePath = pathOrDefault(systemConfiguration.metastoragePath(), () -> workDir.resolve(METASTORAGE_PATH));
return new ComponentWorkingDir(basePath);
}
/**
* Gets paths where CMG data is stored.
*
* @param systemConfiguration System configuration.
* @param workDir Node's working dir.
* @return Working dir subtree structure representation for CMG.
*/
public static ComponentWorkingDir cmgPath(SystemLocalConfiguration systemConfiguration, Path workDir) {
Path basePath = pathOrDefault(systemConfiguration.cmgPath(), () -> workDir.resolve(CMG_PATH));
return new ComponentWorkingDir(basePath);
}
/**
* Path to Vault store.
*
* @param workDir Ignite working dir.
*/
public static Path vaultPath(Path workDir) {
return workDir.resolve(VAULT_DB_PATH);
}
private IgnitePaths() {
// No-op.
}
private static Path pathOrDefault(ConfigurationValue value, Supplier defaultPathSupplier) {
String valueStr = value.value();
return valueStr.isEmpty() ? defaultPathSupplier.get() : Path.of(valueStr);
}
}