| /* |
| * 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.utils; |
| |
| import org.apache.iotdb.tsfile.exception.write.UnSupportedDataTypeException; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.TimeValuePair; |
| import org.apache.iotdb.tsfile.read.common.BatchData; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType.TsBinary; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType.TsBoolean; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType.TsDouble; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType.TsFloat; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType.TsInt; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType.TsLong; |
| |
| public class TimeValuePairUtils { |
| |
| private TimeValuePairUtils() {} |
| |
| /** |
| * get given data's current (time,value) pair. |
| * |
| * @param data -batch data |
| * @return -given data's (time,value) pair |
| */ |
| public static TimeValuePair getCurrentTimeValuePair(BatchData data) { |
| switch (data.getDataType()) { |
| case INT32: |
| return new TimeValuePair(data.currentTime(), new TsPrimitiveType.TsInt(data.getInt())); |
| case INT64: |
| return new TimeValuePair(data.currentTime(), new TsPrimitiveType.TsLong(data.getLong())); |
| case FLOAT: |
| return new TimeValuePair(data.currentTime(), new TsPrimitiveType.TsFloat(data.getFloat())); |
| case DOUBLE: |
| return new TimeValuePair( |
| data.currentTime(), new TsPrimitiveType.TsDouble(data.getDouble())); |
| case TEXT: |
| return new TimeValuePair( |
| data.currentTime(), new TsPrimitiveType.TsBinary(data.getBinary())); |
| case BOOLEAN: |
| return new TimeValuePair( |
| data.currentTime(), new TsPrimitiveType.TsBoolean(data.getBoolean())); |
| default: |
| throw new UnSupportedDataTypeException(String.valueOf(data.getDataType())); |
| } |
| } |
| |
| public static void setTimeValuePair(TimeValuePair from, TimeValuePair to) { |
| to.setTimestamp(from.getTimestamp()); |
| switch (from.getValue().getDataType()) { |
| case INT32: |
| to.getValue().setInt(from.getValue().getInt()); |
| break; |
| case INT64: |
| to.getValue().setLong(from.getValue().getLong()); |
| break; |
| case FLOAT: |
| to.getValue().setFloat(from.getValue().getFloat()); |
| break; |
| case DOUBLE: |
| to.getValue().setDouble(from.getValue().getDouble()); |
| break; |
| case TEXT: |
| to.getValue().setBinary(from.getValue().getBinary()); |
| break; |
| case BOOLEAN: |
| to.getValue().setBoolean(from.getValue().getBoolean()); |
| break; |
| default: |
| throw new UnSupportedDataTypeException(String.valueOf(from.getValue().getDataType())); |
| } |
| } |
| |
| public static TimeValuePair getEmptyTimeValuePair(TSDataType dataType) { |
| switch (dataType) { |
| case FLOAT: |
| return new TimeValuePair(0, new TsFloat(0.0f)); |
| case INT32: |
| return new TimeValuePair(0, new TsInt(0)); |
| case INT64: |
| return new TimeValuePair(0, new TsLong(0)); |
| case BOOLEAN: |
| return new TimeValuePair(0, new TsBoolean(false)); |
| case DOUBLE: |
| return new TimeValuePair(0, new TsDouble(0.0)); |
| case TEXT: |
| return new TimeValuePair(0, new TsBinary(new Binary(""))); |
| default: |
| throw new UnsupportedOperationException("Unrecognized datatype: " + dataType); |
| } |
| } |
| } |