Pochatkin commented on code in PR #6625: URL: https://github.com/apache/ignite-3/pull/6625#discussion_r2376099825
########## modules/code-deployment/src/main/java/org/apache/ignite/internal/deployunit/DeployDeploymentUnitProcessor.java: ########## @@ -0,0 +1,95 @@ +/* + * 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.deployunit; + +import static java.nio.file.StandardCopyOption.ATOMIC_MOVE; +import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; + +import java.io.IOException; +import java.io.InputStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.Map.Entry; +import java.util.zip.ZipEntry; +import java.util.zip.ZipInputStream; + +/** + * Implementation of {@link DeploymentUnitProcessor} that deploys deployment unit content to the file system. + * + * <p>This processor extracts and deploys files from deployment units to a specified target directory. + * It handles both regular deployment units (containing individual files as input streams) and ZIP-based + * deployment units (containing compressed archives that need extraction). + * + * <p>The deployment process ensures atomic file operations by: + * <ul> + * <li>First copying files to temporary locations with a {@code .tmp} suffix</li> + * <li>Then atomically moving them to their final destinations</li> + * <li>Creating necessary parent directories as needed</li> + * </ul> + * + * <p>This approach prevents partial deployments and ensures that files are either fully deployed + * or not deployed at all, maintaining consistency during the deployment process. + * + * <p>Type parameters: + * <ul> + * <li>{@code Path} - the argument type representing the target deployment directory</li> + * <li>{@code Void} - the return type (no meaningful return value)</li> + * </ul> + */ +public class DeployDeploymentUnitProcessor implements DeploymentUnitProcessor<Path, Void> { Review Comment: Renamed -- 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]
