/* * Copyright 2019 Arcus Project * * Licensed 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 com.iris.modelmanager.commands; import java.util.UUID; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.datastax.driver.core.PreparedStatement; import com.datastax.driver.core.Row; import com.iris.modelmanager.engine.ExecutionContext; import com.iris.modelmanager.engine.command.CommandExecutionException; import com.iris.modelmanager.engine.command.ExecutionCommand; /** * Removes alarm subsystem on rollback. * @author tweidlin * */ public class RemoveAlarmSubsystem implements ExecutionCommand { private static final Logger logger = LoggerFactory.getLogger(RemoveAlarmSubsystem.class); private static final String SELECT_PLACE = "SELECT id FROM place"; private static final String SUSPEND_ALARMSUBSYSTEM = "DELETE FROM subsystem WHERE placeid = ? AND namespace = 'subalarm'"; @Override public void execute(ExecutionContext context, boolean autoRollback) throws CommandExecutionException { } @Override public void rollback(ExecutionContext context, boolean autoRollback) throws CommandExecutionException { doExecute(context); } protected void doExecute(ExecutionContext context) throws CommandExecutionException { PreparedStatement stmt = context.getSession().prepare(SUSPEND_ALARMSUBSYSTEM); for(Row row: context.getSession().execute(SELECT_PLACE)) { UUID placeId = row.getUUID("id"); logger.debug("Disabling for place [{}]", placeId); context.getSession().execute( stmt.bind(placeId) ); } } }