| /* |
| * 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.confignode.rpc.thrift.TClusterParameters; |
| import org.apache.iotdb.confignode.rpc.thrift.TShowVariablesResp; |
| 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.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.common.block.TsBlockBuilder; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.SettableFuture; |
| |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| public class ShowVariablesTask implements IConfigTask { |
| |
| public ShowVariablesTask() { |
| // Empty constructor |
| } |
| |
| private static void buildTSBlock(TsBlockBuilder builder, Binary parameter, Binary value) { |
| builder.getTimeColumnBuilder().writeLong(0L); |
| builder.getColumnBuilder(0).writeBinary(parameter); |
| builder.getColumnBuilder(1).writeBinary(value); |
| builder.declarePosition(); |
| } |
| |
| public static void buildTSBlock( |
| TShowVariablesResp showVariablesResp, SettableFuture<ConfigTaskResult> future) { |
| List<TSDataType> outputDataTypes = |
| ColumnHeaderConstant.showVariablesColumnHeaders.stream() |
| .map(ColumnHeader::getColumnType) |
| .collect(Collectors.toList()); |
| TsBlockBuilder builder = new TsBlockBuilder(outputDataTypes); |
| |
| TClusterParameters clusterParameters = showVariablesResp.getClusterParameters(); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.COLUMN_CLUSTER_NAME, TSFileConfig.STRING_CHARSET), |
| new Binary(clusterParameters.getClusterName(), TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.DATA_REPLICATION_FACTOR, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getDataReplicationFactor()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.SCHEMA_REPLICATION_FACTOR, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getSchemaReplicationFactor()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary( |
| ColumnHeaderConstant.DATA_REGION_CONSENSUS_PROTOCOL_CLASS, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| clusterParameters.getDataRegionConsensusProtocolClass(), TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary( |
| ColumnHeaderConstant.SCHEMA_REGION_CONSENSUS_PROTOCOL_CLASS, |
| TSFileConfig.STRING_CHARSET), |
| new Binary( |
| clusterParameters.getSchemaRegionConsensusProtocolClass(), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary( |
| ColumnHeaderConstant.CONFIG_NODE_CONSENSUS_PROTOCOL_CLASS, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| clusterParameters.getConfigNodeConsensusProtocolClass(), TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.TIME_PARTITION_INTERVAL, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getTimePartitionInterval()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.DEFAULT_TTL, TSFileConfig.STRING_CHARSET), |
| new Binary(String.valueOf(clusterParameters.getDefaultTTL()), TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.READ_CONSISTENCY_LEVEL, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getReadConsistencyLevel()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.SCHEMA_REGION_PER_DATA_NODE, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getSchemaRegionPerDataNode()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.DATA_REGION_PER_DATA_NODE, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getDataRegionPerDataNode()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.SERIES_SLOT_NUM, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getSeriesPartitionSlotNum()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.SERIES_SLOT_EXECUTOR_CLASS, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| clusterParameters.getSeriesPartitionExecutorClass(), TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.DISK_SPACE_WARNING_THRESHOLD, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getDiskSpaceWarningThreshold()), |
| TSFileConfig.STRING_CHARSET)); |
| buildTSBlock( |
| builder, |
| new Binary(ColumnHeaderConstant.TIMESTAMP_PRECISION, TSFileConfig.STRING_CHARSET), |
| new Binary( |
| String.valueOf(clusterParameters.getTimestampPrecision()), |
| TSFileConfig.STRING_CHARSET)); |
| |
| DatasetHeader datasetHeader = DatasetHeaderFactory.getShowClusterParametersHeader(); |
| future.set(new ConfigTaskResult(TSStatusCode.SUCCESS_STATUS, builder.build(), datasetHeader)); |
| } |
| |
| @Override |
| public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor) |
| throws InterruptedException { |
| return configTaskExecutor.showClusterParameters(); |
| } |
| } |