ThreadLocalString.java

package com.taobao.tddl.common.model;

/**
 * 基于hint的thread local相关变量定义
 * 
 * @author jianghang 2013-10-23 下午5:38:42
 * @since 5.0.0
 */
public class ThreadLocalString {

    public static final String ROUTE_CONDITION                     = "ROUTE_CONDITION";

    public static final String IS_EXIST_QUITE                      = "IS_EXIST_QUITE";

    public static final String DB_SELECTOR                         = "DB_SELECTOR";

    /**
     * 指定在哪个规则上执行
     */
    public static final String RULE_SELECTOR                       = "RULE_SELECTOR";

    /**
     * 让GroupDataSource在指定序号的DATASOURCE上执行操作
     */
    public static final String DATASOURCE_INDEX                    = "DATASOURCE_INDEX";

    /**
     * 如果指定了ds_index，如果对应库又不可用，应用希望让这个查询还是能够做，那么 让这个查询再走下权重(如果没有权重，也走下单库重试)
     */
    public static final String RETRY_IF_SET_DS_INDEX               = "RETRY_IF_SET_DS_INDEX";

    public static final String TABLE_MERGE_SORT_TABLENAME          = "TABLE_MERGE_SORT_TABLENAME";

    public static final String TABLE_MERGE_SORT_POOL               = "TABLE_MERGE_SORT_POOL";

    public static final String TABLE_MERGE_SORT_VIRTUAL_TABLE_NAME = "TABLE_MERGE_SORT_VIRTUAL_TABLE_NAME";

    /**
     * 指定是否使用并行执行
     */
    public static final String PARALLEL_EXECUTE                    = "PARALLEL_EXECUTE";

    public static final String UNIT_VALID                          = "UNIT_VALID";
}