keith-turner commented on a change in pull request #2256: URL: https://github.com/apache/accumulo/pull/2256#discussion_r700398260
########## File path: server/tserver/src/main/java/org/apache/accumulo/tserver/tablet/compaction/files/SelectedUserCompFiles.java ########## @@ -0,0 +1,55 @@ +/* + * 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.accumulo.tserver.tablet.compaction.files; + +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; + +import org.apache.accumulo.core.metadata.StoredTabletFile; +import org.apache.accumulo.core.spi.compaction.CompactionKind; + +import com.google.common.base.Preconditions; + +public class SelectedUserCompFiles implements CompactionFiles { + private final Set<StoredTabletFile> allCompactingFiles; + private final Set<StoredTabletFile> selectedFiles; + private final CompactionKind selectKind; + + public SelectedUserCompFiles(Set<StoredTabletFile> allCompactingFiles, + Set<StoredTabletFile> selectedFiles, CompactionKind selectKind) { + this.allCompactingFiles = allCompactingFiles; + this.selectedFiles = selectedFiles; + this.selectKind = selectKind; + } + + @Override + public Set<StoredTabletFile> getCandidates(Set<StoredTabletFile> currFiles, CompactionKind kind) { + if (selectKind == kind) { + Set<StoredTabletFile> candidates = new HashSet<>(selectedFiles); + candidates.removeAll(allCompactingFiles); + candidates = Collections.unmodifiableSet(candidates); Review comment: This no longer copies selectedFiles and `Sets.difference(selectedFiles,allCompactingFiles)` may reflect changes to selectedFiles and allCompactingFiles after this point time which is not desirable. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
