| /* |
| * 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.transformation.dag.udf; |
| |
| import org.apache.iotdb.commons.conf.CommonConfig; |
| import org.apache.iotdb.commons.conf.CommonDescriptor; |
| import org.apache.iotdb.commons.udf.utils.UDFDataTypeTransformer; |
| import org.apache.iotdb.udf.api.customizer.parameter.UDFParameters; |
| |
| import org.apache.tsfile.enums.TSDataType; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class UDFParametersFactory { |
| |
| private static final CommonConfig CONFIG = CommonDescriptor.getInstance().getConfig(); |
| |
| public static final String TIMESTAMP_PRECISION = "timestampPrecision"; |
| |
| public static UDFParameters buildUdfParameters( |
| List<String> childExpressions, |
| List<TSDataType> childExpressionDataTypes, |
| Map<String, String> attributes) { |
| return new UDFParameters( |
| childExpressions, |
| UDFDataTypeTransformer.transformToUDFDataTypeList(childExpressionDataTypes), |
| attributes, |
| buildSystemAttributes()); |
| } |
| |
| private static Map<String, String> buildSystemAttributes() { |
| Map<String, String> systemAttributes = new HashMap<>(); |
| systemAttributes.put(TIMESTAMP_PRECISION, CONFIG.getTimestampPrecision()); |
| return systemAttributes; |
| } |
| } |