amrishlal commented on a change in pull request #7174: URL: https://github.com/apache/pinot/pull/7174#discussion_r684366315
########## File path: pinot-common/src/main/java/org/apache/pinot/common/messages/RunPeriodicTaskMessage.java ########## @@ -0,0 +1,64 @@ +/** + * 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.pinot.common.messages; + +import com.google.common.base.Preconditions; +import java.util.UUID; +import javax.annotation.Nonnull; +import org.apache.helix.ZNRecord; +import org.apache.helix.model.Message; + + +/** + * Upon receiving this message, Controller will execute the specified PeriodicTask against the tables for which it is + * the lead controller. The message is sent whenever API call for executing a PeriodicTask is invoked. + */ +public class RunPeriodicTaskMessage extends Message { + public static final String RUN_PERIODIC_TASK_MSG_SUB_TYPE = "PERIODIC_TASK"; + private static final String PERIODIC_TASK_NAME_KEY = "periodicTaskName"; + private static final String TABLE_NAME_KEY = "tableName"; + + /** + * @param periodicTaskName Name of the task that will be run. + * @param tableName Table name against which task will run. + */ + public RunPeriodicTaskMessage(@Nonnull String periodicTaskName, String tableName) { + super(MessageType.USER_DEFINE_MSG, UUID.randomUUID().toString()); + setMsgSubType(RUN_PERIODIC_TASK_MSG_SUB_TYPE); + setExecutionTimeout(-1); + ZNRecord znRecord = getRecord(); + znRecord.setSimpleField(PERIODIC_TASK_NAME_KEY, periodicTaskName); + znRecord.setSimpleField(TABLE_NAME_KEY, tableName); + } + + public RunPeriodicTaskMessage(Message message) { + super(message.getRecord()); + String msgSubType = message.getMsgSubType(); + Preconditions.checkArgument(msgSubType.equals(RUN_PERIODIC_TASK_MSG_SUB_TYPE), Review comment: Removed. I basically used the same pattern as other message classes, but yes the check appears to be redundant. ########## File path: pinot-controller/src/main/java/org/apache/pinot/controller/ControllerMessageHandlerFactory.java ########## @@ -0,0 +1,90 @@ +/** + * 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.pinot.controller; + +import org.apache.helix.NotificationContext; +import org.apache.helix.messaging.handling.HelixTaskResult; +import org.apache.helix.messaging.handling.MessageHandler; +import org.apache.helix.messaging.handling.MessageHandlerFactory; +import org.apache.helix.model.Message; +import org.apache.pinot.common.messages.RunPeriodicTaskMessage; +import org.apache.pinot.core.periodictask.PeriodicTaskScheduler; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +/** Factory class for creating message handlers for incoming helix messages. */ +public class ControllerMessageHandlerFactory implements MessageHandlerFactory { + private static final Logger LOGGER = LoggerFactory.getLogger(ControllerMessageHandlerFactory.class); + + private final PeriodicTaskScheduler _periodicTaskScheduler; + + public ControllerMessageHandlerFactory(PeriodicTaskScheduler periodicTaskScheduler) { + _periodicTaskScheduler = periodicTaskScheduler; + } + + @Override + public MessageHandler createHandler(Message message, NotificationContext notificationContext) { + String messageType = message.getMsgSubType(); + if (messageType.equals(RunPeriodicTaskMessage.RUN_PERIODIC_TASK_MSG_SUB_TYPE)) { + return new RunPeriodicTaskMessageHandler(new RunPeriodicTaskMessage(message), notificationContext, _periodicTaskScheduler); + } + + LOGGER.error("Bad message type {} received by controller. ", messageType); Review comment: Done ########## File path: pinot-controller/src/main/java/org/apache/pinot/controller/ControllerMessageHandlerFactory.java ########## @@ -0,0 +1,90 @@ +/** + * 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.pinot.controller; + +import org.apache.helix.NotificationContext; +import org.apache.helix.messaging.handling.HelixTaskResult; +import org.apache.helix.messaging.handling.MessageHandler; +import org.apache.helix.messaging.handling.MessageHandlerFactory; +import org.apache.helix.model.Message; +import org.apache.pinot.common.messages.RunPeriodicTaskMessage; +import org.apache.pinot.core.periodictask.PeriodicTaskScheduler; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +/** Factory class for creating message handlers for incoming helix messages. */ +public class ControllerMessageHandlerFactory implements MessageHandlerFactory { + private static final Logger LOGGER = LoggerFactory.getLogger(ControllerMessageHandlerFactory.class); + + private final PeriodicTaskScheduler _periodicTaskScheduler; + + public ControllerMessageHandlerFactory(PeriodicTaskScheduler periodicTaskScheduler) { + _periodicTaskScheduler = periodicTaskScheduler; + } + + @Override + public MessageHandler createHandler(Message message, NotificationContext notificationContext) { + String messageType = message.getMsgSubType(); + if (messageType.equals(RunPeriodicTaskMessage.RUN_PERIODIC_TASK_MSG_SUB_TYPE)) { + return new RunPeriodicTaskMessageHandler(new RunPeriodicTaskMessage(message), notificationContext, _periodicTaskScheduler); + } + + LOGGER.error("Bad message type {} received by controller. ", messageType); + return null; + } + + @Override + public String getMessageType() { + return Message.MessageType.USER_DEFINE_MSG.toString(); Review comment: Done. ########## File path: pinot-controller/src/main/java/org/apache/pinot/controller/ControllerMessageHandlerFactory.java ########## @@ -0,0 +1,90 @@ +/** + * 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.pinot.controller; + +import org.apache.helix.NotificationContext; +import org.apache.helix.messaging.handling.HelixTaskResult; +import org.apache.helix.messaging.handling.MessageHandler; +import org.apache.helix.messaging.handling.MessageHandlerFactory; +import org.apache.helix.model.Message; +import org.apache.pinot.common.messages.RunPeriodicTaskMessage; +import org.apache.pinot.core.periodictask.PeriodicTaskScheduler; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +/** Factory class for creating message handlers for incoming helix messages. */ +public class ControllerMessageHandlerFactory implements MessageHandlerFactory { + private static final Logger LOGGER = LoggerFactory.getLogger(ControllerMessageHandlerFactory.class); + + private final PeriodicTaskScheduler _periodicTaskScheduler; + + public ControllerMessageHandlerFactory(PeriodicTaskScheduler periodicTaskScheduler) { + _periodicTaskScheduler = periodicTaskScheduler; + } + + @Override + public MessageHandler createHandler(Message message, NotificationContext notificationContext) { + String messageType = message.getMsgSubType(); + if (messageType.equals(RunPeriodicTaskMessage.RUN_PERIODIC_TASK_MSG_SUB_TYPE)) { + return new RunPeriodicTaskMessageHandler(new RunPeriodicTaskMessage(message), notificationContext, _periodicTaskScheduler); + } + + LOGGER.error("Bad message type {} received by controller. ", messageType); + return null; + } + + @Override + public String getMessageType() { + return Message.MessageType.USER_DEFINE_MSG.toString(); + } + + @Override + public void reset() { + } + + /** Message handler for "Run Periodic Task" message. */ + private static class RunPeriodicTaskMessageHandler extends MessageHandler { + private final String _periodicTaskName; + private final String _tableName; + private final PeriodicTaskScheduler _periodicTaskScheduler; + + RunPeriodicTaskMessageHandler(RunPeriodicTaskMessage message, NotificationContext context, PeriodicTaskScheduler periodicTaskScheduler) { + super(message, context); + _periodicTaskName = message.getPeriodicTaskName(); + _tableName = message.getTableName(); + _periodicTaskScheduler = periodicTaskScheduler; + } + + @Override + public HelixTaskResult handleMessage() + throws InterruptedException { + LOGGER.info("Handle RunPeriodicTaskMessage by executing task {}", _periodicTaskName); Review comment: Done. ########## File path: pinot-core/src/main/java/org/apache/pinot/core/periodictask/PeriodicTaskScheduler.java ########## @@ -108,4 +108,48 @@ public synchronized void stop() { _tasksWithValidInterval.parallelStream().forEach(PeriodicTask::stop); } } + + /** @return true if task with given name exists; otherwise, false. */ + public boolean hasTask(String periodicTaskName) { + for (PeriodicTask task : _tasksWithValidInterval) { + if (task.getTaskName().equals(periodicTaskName)) { + return true; + } + } + + return false; + } + + private PeriodicTask getPeriodicTask(String periodicTaskName) { + for (PeriodicTask task : _tasksWithValidInterval) { + if (task.getTaskName().equals(periodicTaskName)) { + return task; + } + } + return null; + } + + /** + * Execute specified {@link PeriodicTask} immediately. If the task is already running, wait for the running task + * to finish before executing the task again. + */ + public void execute(String periodicTaskName, String tableName) { Review comment: Done. ########## File path: pinot-core/src/main/java/org/apache/pinot/core/periodictask/PeriodicTaskScheduler.java ########## @@ -108,4 +108,48 @@ public synchronized void stop() { _tasksWithValidInterval.parallelStream().forEach(PeriodicTask::stop); } } + + /** @return true if task with given name exists; otherwise, false. */ + public boolean hasTask(String periodicTaskName) { + for (PeriodicTask task : _tasksWithValidInterval) { + if (task.getTaskName().equals(periodicTaskName)) { + return true; + } + } + + return false; + } + + private PeriodicTask getPeriodicTask(String periodicTaskName) { + for (PeriodicTask task : _tasksWithValidInterval) { + if (task.getTaskName().equals(periodicTaskName)) { + return task; + } + } + return null; + } + + /** + * Execute specified {@link PeriodicTask} immediately. If the task is already running, wait for the running task + * to finish before executing the task again. + */ + public void execute(String periodicTaskName, String tableName) { + PeriodicTask periodicTask = getPeriodicTask(periodicTaskName); + LOGGER.info("Immediately executing periodic task {}", periodicTaskName); Review comment: Done. -- 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: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org