org.apache.shardingsphere.infra.distsql.update

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

Alter rule rule definition updater.

方法概要

限定符和类型	方法和说明
RuleConfiguration	buildToBeAlteredRuleConfiguration(T sqlStatement) Build to be altered rule configuration.
void	updateCurrentRuleConfiguration(R currentRuleConfig, R toBeAlteredRuleConfig) 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

buildToBeAlteredRuleConfiguration

RuleConfiguration buildToBeAlteredRuleConfiguration(T sqlStatement)

Build to be altered rule configuration.

参数:

sqlStatement - SQL statement

返回:

built to be altered rule configuration

updateCurrentRuleConfiguration

void updateCurrentRuleConfiguration(R currentRuleConfig,
                                    R toBeAlteredRuleConfig)

Update current rule configuration.

参数:

currentRuleConfig - current rule configuration to be updated

toBeAlteredRuleConfig - to be altered rule configuration