NSAmelchev commented on code in PR #13420: URL: https://github.com/apache/ignite/pull/13420#discussion_r3720112606
########## modules/core/src/main/java/org/apache/ignite/internal/management/kill/KillAllCommand.java: ########## @@ -0,0 +1,97 @@ +/* + * 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.management.kill; + +import java.util.Collection; +import java.util.Map; +import java.util.function.Consumer; +import org.apache.ignite.cluster.ClusterNode; +import org.apache.ignite.internal.management.api.CommandUtils; +import org.apache.ignite.internal.management.api.ComputeCommand; + +/** + * Kill all command for mass cancellation of queries. + */ +public class KillAllCommand implements ComputeCommand<KillAllCommandArg, Map<ClusterNode, KillAllTaskResult>> { + /** {@inheritDoc} */ + @Override public String description() { + return "Kill all SQL/scan/continuous queries matching specified criteria"; + } + + /** {@inheritDoc} */ + @Override public Class<KillAllCommandArg> argClass() { + return KillAllCommandArg.class; + } + + /** {@inheritDoc} */ + @Override public Class<KillAllTask> taskClass() { + return KillAllTask.class; + } + + /** {@inheritDoc} */ + @Override public Collection<ClusterNode> nodes(Collection<ClusterNode> nodes, KillAllCommandArg arg) { + return CommandUtils.nodeOrAll(arg.nodeId(), nodes); + } + + /** {@inheritDoc} */ + @Override public String confirmationPrompt(KillAllCommandArg arg) { + StringBuilder sb = new StringBuilder("Warning: the command will kill all "); + + sb.append(arg.target().toString().toLowerCase()).append(" queries"); + + if (arg.minDuration() != null) + sb.append(" with duration > ").append(arg.minDuration()).append(" seconds"); + + if (arg.nodeId() != null) + sb.append(" on node ").append(arg.nodeId()); + + sb.append("."); + + return sb.toString(); + } + + /** {@inheritDoc} */ + @Override public void printResult( + KillAllCommandArg arg, + Map<ClusterNode, KillAllTaskResult> res, + Consumer<String> printer + ) { + if (res.isEmpty()) { + printer.accept("Nothing found."); + return; + } + + int totalKilled = 0; + int totalFailed = 0; + + for (Map.Entry<ClusterNode, KillAllTaskResult> entry : res.entrySet()) { + ClusterNode node = entry.getKey(); + KillAllTaskResult result = entry.getValue(); + + totalKilled += result.killed(); + totalFailed += result.failed(); + + if (result.killed() > 0 || result.failed() > 0) + printer.accept("Node ID: " + node.id() + " Killed: " + result.killed() + " Failed: " + result.failed()); + } + + printer.accept("\nTotal killed: " + totalKilled + ", failed to kill: " + totalFailed + " " + + arg.target().toString().toLowerCase() + " queries"); + } + 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
