org.apache.shardingsphere.sharding.route.engine.validator

Interface ShardingStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement>

Type Parameters:

T - type of SQL statement

All Known Implementing Classes:

ShardingAlterIndexStatementValidator, ShardingAlterTableStatementValidator, ShardingAlterViewStatementValidator, ShardingCreateFunctionStatementValidator, ShardingCreateIndexStatementValidator, ShardingCreateProcedureStatementValidator, ShardingCreateTableStatementValidator, ShardingCreateViewStatementValidator, ShardingDDLStatementValidator, ShardingDeleteStatementValidator, ShardingDMLStatementValidator, ShardingDropIndexStatementValidator, ShardingDropTableStatementValidator, ShardingInsertStatementValidator, ShardingPrepareStatementValidator, ShardingSelectStatementValidator, ShardingUpdateStatementValidator

public interface ShardingStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement>

Sharding statement validator.

Method Summary

Modifier and Type	Method and Description
void	postValidate(ShardingRule shardingRule, SQLStatementContext<T> sqlStatementContext, RouteContext routeContext, org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema) Validate whether sharding operation is supported after route.
void	preValidate(ShardingRule shardingRule, SQLStatementContext<T> sqlStatementContext, List<Object> parameters, org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema) Validate whether sharding operation is supported before route.

Method Detail

preValidate

void preValidate(ShardingRule shardingRule,
                 SQLStatementContext<T> sqlStatementContext,
                 List<Object> parameters,
                 org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema)

Validate whether sharding operation is supported before route.

Parameters:

shardingRule - sharding rule

sqlStatementContext - SQL statement context

parameters - SQL parameters

schema - ShardingSphere schema

postValidate

void postValidate(ShardingRule shardingRule,
                  SQLStatementContext<T> sqlStatementContext,
                  RouteContext routeContext,
                  org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema)

Validate whether sharding operation is supported after route.

Parameters:

shardingRule - sharding rule

sqlStatementContext - SQL statement context

routeContext - route context

schema - ShardingSphere schema