com.mobaijun.influxdb.core.Insert Maven / Gradle / Ivy
/*
* Copyright (C) 2022 www.mobaijun.com
*
* 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
*
* https://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.mobaijun.influxdb.core;
import com.mobaijun.influxdb.core.constant.Constant;
import com.mobaijun.influxdb.util.CommonUtils;
import org.influxdb.annotation.Column;
import org.influxdb.annotation.Measurement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.reflect.Field;
import java.time.LocalDateTime;
import java.util.Objects;
/**
* Software：IntelliJ IDEA 2021.3.2
* ClassName: Insert
* 类描述： 新增
*
* @author MoBaiJun 2022/4/29 14:03
*/
public class Insert extends BaseQuery {
/**
* logger
*/
private static final Logger log = LoggerFactory.getLogger(Insert.class);
/**
* 构造条件
*
* @param object Object
* @return String
*/
public static String build(Object object) {
Objects.requireNonNull(object, "实体不能为空");
StringBuilder insert = new StringBuilder();
String time = "";
Class clazz = object.getClass();
Measurement measurement = clazz.getAnnotation(Measurement.class);
insert.append(measurement.name());
Field[] fields = clazz.getDeclaredFields();
int i = 0;
for (Field field : fields) {
try {
Column column = field.getAnnotation(Column.class);
field.setAccessible(true);
if (column.tag()) {
if (field.get(object) != null) {
insert.append(Constant.COMMA).append(column.name()).append(Constant.EQUAL_SIGN).append(field.get(object));
}
} else {
if (Objects.nonNull(field.get(object))) {
if (Constant.TIME.equals(column.name())) {
time = CommonUtils.parseLocalDateTimeToInstant((LocalDateTime) field.get(object)).getEpochSecond() + "000000000";
} else {
if (i == 0) {
insert.append(Constant.SPACE);
} else {
insert.append(Constant.COMMA);
}
insert.append(column.name()).append(Constant.EQUAL_SIGN).append(field.get(object));
i++;
}
}
}
} catch (IllegalArgumentException | IllegalAccessException e) {
log.error("Influxdb save error. error :{}", e.getMessage());
}
}
insert.append(Constant.SPACE).append(time);
String sql = insert.toString();
log.warn("The new sentence is :{}" + sql);
return sql;
}
}