| /* |
| * 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.iotdb.db.queryengine.plan.execution.config.metadata; |
| |
| import org.apache.iotdb.commons.trigger.TriggerInformation; |
| import org.apache.iotdb.db.queryengine.common.header.ColumnHeader; |
| import org.apache.iotdb.db.queryengine.common.header.ColumnHeaderConstant; |
| import org.apache.iotdb.db.queryengine.common.header.DatasetHeader; |
| import org.apache.iotdb.db.queryengine.common.header.DatasetHeaderFactory; |
| import org.apache.iotdb.db.queryengine.plan.execution.config.ConfigTaskResult; |
| import org.apache.iotdb.db.queryengine.plan.execution.config.IConfigTask; |
| import org.apache.iotdb.db.queryengine.plan.execution.config.executor.IConfigTaskExecutor; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| import org.apache.iotdb.trigger.api.enums.TriggerType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.common.block.TsBlockBuilder; |
| import org.apache.iotdb.tsfile.utils.BytesUtils; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.SettableFuture; |
| |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| public class ShowTriggersTask implements IConfigTask { |
| |
| @Override |
| public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor) |
| throws InterruptedException { |
| return configTaskExecutor.showTriggers(); |
| } |
| |
| public static void buildTsBlock( |
| List<ByteBuffer> allTriggerInformation, SettableFuture<ConfigTaskResult> future) { |
| List<TSDataType> outputDataTypes = |
| ColumnHeaderConstant.showTriggersColumnHeaders.stream() |
| .map(ColumnHeader::getColumnType) |
| .collect(Collectors.toList()); |
| TsBlockBuilder builder = new TsBlockBuilder(outputDataTypes); |
| if (allTriggerInformation != null && !allTriggerInformation.isEmpty()) { |
| for (ByteBuffer triggerInformationByteBuffer : allTriggerInformation) { |
| TriggerInformation triggerInformation = |
| TriggerInformation.deserialize(triggerInformationByteBuffer); |
| builder.getTimeColumnBuilder().writeLong(0L); |
| builder |
| .getColumnBuilder(0) |
| .writeBinary(BytesUtils.valueOf(triggerInformation.getTriggerName())); |
| builder |
| .getColumnBuilder(1) |
| .writeBinary(BytesUtils.valueOf(triggerInformation.getEvent().toString())); |
| builder |
| .getColumnBuilder(2) |
| .writeBinary( |
| BytesUtils.valueOf( |
| triggerInformation.isStateful() |
| ? TriggerType.STATEFUL.toString() |
| : TriggerType.STATELESS.toString())); |
| builder |
| .getColumnBuilder(3) |
| .writeBinary(BytesUtils.valueOf(triggerInformation.getTriggerState().toString())); |
| builder |
| .getColumnBuilder(4) |
| .writeBinary(BytesUtils.valueOf(triggerInformation.getPathPattern().toString())); |
| builder |
| .getColumnBuilder(5) |
| .writeBinary(BytesUtils.valueOf(triggerInformation.getClassName())); |
| builder |
| .getColumnBuilder(6) |
| .writeBinary( |
| BytesUtils.valueOf( |
| !triggerInformation.isStateful() |
| ? "ALL" |
| : String.valueOf( |
| triggerInformation.getDataNodeLocation().getDataNodeId()))); |
| builder.declarePosition(); |
| } |
| } |
| DatasetHeader datasetHeader = DatasetHeaderFactory.getShowTriggersHeader(); |
| future.set(new ConfigTaskResult(TSStatusCode.SUCCESS_STATUS, builder.build(), datasetHeader)); |
| } |
| } |