org.apache.shardingsphere.infra.distsql.update

接口 RuleDefinitionDropUpdater<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement,R extends RuleConfiguration>

类型参数:

T - type of SQL statement

R - type of rule configuration

所有超级接口:

RuleDefinitionUpdater<T,R>, TypedSPI

public interface RuleDefinitionDropUpdater<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement,R extends RuleConfiguration>
extends RuleDefinitionUpdater<T,R>

Drop rule definition updater.

方法概要

限定符和类型	方法和说明
default Collection<String>	getIdenticalData(Collection<String> currentRules, Collection<String> toBeDroppedRules) Get identical data.
default boolean	hasAnyOneToBeDropped(T sqlStatement, R currentRuleConfig) Whether there is dropped data.
default boolean	isExistRuleConfig(R currentRuleConfig) Whether there is configuration.
boolean	updateCurrentRuleConfiguration(T sqlStatement, R currentRuleConfig) Update current rule configuration.

从接口继承的方法 org.apache.shardingsphere.infra.distsql.update.RuleDefinitionUpdater

checkSQLStatement, getRuleConfigurationClass

从接口继承的方法 org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI

getType, getTypeAliases

方法详细资料

updateCurrentRuleConfiguration

boolean updateCurrentRuleConfiguration(T sqlStatement,
                                       R currentRuleConfig)

Update current rule configuration.

参数:

sqlStatement - SQL statement

currentRuleConfig - current rule configuration to be updated

返回:

current rule configuration is empty or not

isExistRuleConfig

default boolean isExistRuleConfig(R currentRuleConfig)

Whether there is configuration.

参数:

currentRuleConfig - current rule configuration

返回:

configuration exists or does not exist

hasAnyOneToBeDropped

default boolean hasAnyOneToBeDropped(T sqlStatement,
                                     R currentRuleConfig)

Whether there is dropped data.

参数:

sqlStatement - SQL statement

currentRuleConfig - current rule configuration

返回:

dropped data exists or does not exist

getIdenticalData

default Collection<String> getIdenticalData(Collection<String> currentRules,
                                            Collection<String> toBeDroppedRules)

Get identical data.

参数:

currentRules - collection

toBeDroppedRules - collection

返回:

identical data