package tech.powerjob.worker.persistence.db;
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import lombok.Data;
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import org.apache.commons.lang3.StringUtils;
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import tech.powerjob.common.utils.CollectionUtils;
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import java.util.Collection;
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import java.util.stream.Collectors;
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/**
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* 简单查询直接类,只支持 select * from task_info where xxx = xxx and xxx = xxx 的查询
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*
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* @author tjq
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* @since 2020/3/17
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*/
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@Data
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public class SimpleTaskQuery {
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private static final String LINK = " and ";
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private String taskId;
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private Collection<String> taskIds;
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private Long subInstanceId;
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private Long instanceId;
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private String taskName;
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private String address;
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private Integer status;
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// 查询内容,默认为 *
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private String queryContent = " * ";
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// 自定义的查询条件(where 后面的语句),如 crated_time > 10086 and status = 3
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private String queryCondition;
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// 自定义的查询条件,如 GROUP BY status
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private String otherCondition;
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private Integer limit;
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/**
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* 高级模式,完全自定义查询 SQL
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* 当传入此值时忽略 queryCondition + otherCondition + limit
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*/
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private String fullCustomQueryCondition;
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/**
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* 是否设置为只读模式
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* 理论上全部查询均可设置,不过出于最小改动原则,仅针对新功能添加 readOnly
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*/
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private boolean readOnly = false;
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public String getQueryCondition() {
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StringBuilder sb = new StringBuilder();
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if (!StringUtils.isEmpty(taskId)) {
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sb.append("task_id = '").append(taskId).append("'").append(LINK);
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}
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if (!CollectionUtils.isEmpty(taskIds)) {
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String taskIdsInQuery = taskIds.stream().map(id -> String.format("'%s'", id)).collect(Collectors.joining(", "));
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sb.append("task_id in (").append(taskIdsInQuery).append(")").append(LINK);
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}
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if (subInstanceId != null) {
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sb.append("sub_instance_id = ").append(subInstanceId).append(LINK);
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}
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if (instanceId != null) {
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sb.append("instance_id = ").append(instanceId).append(LINK);
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}
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if (!StringUtils.isEmpty(address)) {
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sb.append("address = '").append(address).append("'").append(LINK);
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}
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if (!StringUtils.isEmpty(taskName)) {
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sb.append("task_name = '").append(taskName).append("'").append(LINK);
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}
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if (status != null) {
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sb.append("status = ").append(status).append(LINK);
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}
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// 自定义查询模式专用
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if (StringUtils.isNotEmpty(fullCustomQueryCondition)) {
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sb.append(fullCustomQueryCondition);
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return sb.toString();
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}
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if (!StringUtils.isEmpty(queryCondition)) {
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sb.append(queryCondition).append(LINK);
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}
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String substring = sb.substring(0, sb.length() - LINK.length());
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if (!StringUtils.isEmpty(otherCondition)) {
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substring += otherCondition;
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}
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if (limit != null) {
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substring = substring + " limit " + limit;
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}
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return substring;
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}
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}
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