NSAmelchev commented on code in PR #12094: URL: https://github.com/apache/ignite/pull/12094#discussion_r2106655535
########## modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/filename/CacheFileTree.java: ########## @@ -0,0 +1,259 @@ +/* + * 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.processors.cache.persistence.filename; + +import java.io.File; +import org.apache.ignite.IgniteLogger; +import org.apache.ignite.configuration.CacheConfiguration; +import org.apache.ignite.internal.processors.cache.persistence.defragmentation.DefragmentationFileUtils; +import org.apache.ignite.internal.processors.cache.persistence.defragmentation.LinkMap; +import org.apache.ignite.internal.processors.cache.persistence.file.FileIOFactory; +import org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage; +import org.apache.ignite.internal.util.typedef.internal.CU; +import org.jetbrains.annotations.Nullable; + +import static org.apache.ignite.internal.processors.cache.persistence.filename.NodeFileTree.FILE_SUFFIX; +import static org.apache.ignite.internal.processors.cache.persistence.filename.NodeFileTree.INDEX_FILE_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.filename.NodeFileTree.PART_FILE_PREFIX; +import static org.apache.ignite.internal.processors.cache.persistence.filename.NodeFileTree.TMP_SUFFIX; + +/** + * Class to be used in common code: for metastorage or regular cache. + */ +public class CacheFileTree { + /** Prefix for link mapping files. */ + private static final String DFRG_LINK_MAPPING_FILE_PREFIX = PART_FILE_PREFIX + "map-"; + + /** Link mapping file template. */ + private static final String DFRG_LINK_MAPPING_FILE_TEMPLATE = DFRG_LINK_MAPPING_FILE_PREFIX + "%d" + FILE_SUFFIX; + + /** Defragmentation complation marker file name. */ + private static final String DFRG_COMPLETION_MARKER_FILE_NAME = "dfrg-completion-marker"; + + /** Name of defragmentated index partition file. */ + private static final String DFRG_INDEX_FILE_NAME = INDEX_FILE_PREFIX + "-dfrg" + FILE_SUFFIX; + + /** Name of defragmentated index partition temporary file. */ + private static final String DFRG_INDEX_TMP_FILE_NAME = DFRG_INDEX_FILE_NAME + TMP_SUFFIX; + + /** Prefix for defragmented partition files. */ + private static final String DFRG_PARTITION_FILE_PREFIX = PART_FILE_PREFIX + "dfrg-"; + + /** Defragmented partition file template. */ + private static final String DFRG_PARTITION_FILE_TEMPLATE = DFRG_PARTITION_FILE_PREFIX + "%d" + FILE_SUFFIX; + + /** Defragmented partition temp file template. */ + private static final String DFRG_PARTITION_TMP_FILE_TEMPLATE = DFRG_PARTITION_FILE_TEMPLATE + TMP_SUFFIX; + + /** Node file tree. */ + private final NodeFileTree ft; + + /** Cache storage. */ + private final File storage; + + /** {@code True} if tree for metastore, {@code false} otherwise. */ + private final boolean metastore; + + /** Cache configuration. {@code Null} only if {@code metastore == true}. */ + private final @Nullable CacheConfiguration<?, ?> ccfg; + + /** Cache configuration. {@code Null} only if {@code metastore == true}. */ + private final int grpId; + + /** + * Review Comment: ```suggestion ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: notifications-unsubscr...@ignite.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
