Package org.apache.shardingsphere.shadow.distsql.handler.checker

Class ShadowRuleStatementChecker

java.lang.Object

org.apache.shardingsphere.shadow.distsql.handler.checker.ShadowRuleStatementChecker

public class ShadowRuleStatementChecker
extends Object

Shadow rule statement checker.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SHADOW

Constructor Summary

Constructors

Constructor	Description
ShadowRuleStatementChecker()

Method Summary

Modifier and Type	Method	Description
static void	checkAlgorithmCompleteness(Collection<ShadowAlgorithmSegment> algorithmSegments)	Check the completeness of the algorithm.
static void	checkAlgorithmExist(Collection<String> requireAlgorithms, Collection<String> currentAlgorithms, Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)	Check if the algorithms exist.
static void	checkAnyDifferent(Collection<String> requireRules, Collection<String> currentRules, Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)	Check for any different data in the rules, and throw the specified exception.
static void	checkAnyDuplicate(Collection<String> requireRules, Collection<String> currentRules, Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)	Check if there are duplicates in the rules, and throw the specified exception.
static void	checkAnyDuplicate(Collection<String> rules, Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)	Check for any duplicate data in the rules, and throw the specified exception.
static void	checkConfigurationExist(String databaseName, org.apache.shardingsphere.infra.config.scope.SchemaRuleConfiguration config)	Check if the configuration exists.
static void	checkResourceExist(Collection<String> resources, org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase database)	Check if resources exist in meta data.
static void	checkRulesExist(Collection<String> requireRules, Collection<String> currentRules, Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)	Check if the rules exist.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SHADOW

public static final String SHADOW

See Also:

• Constant Field Values

Constructor Details

ShadowRuleStatementChecker

public ShadowRuleStatementChecker()

Method Details

checkConfigurationExist

public static void checkConfigurationExist(String databaseName,
 org.apache.shardingsphere.infra.config.scope.SchemaRuleConfiguration config)
                                    throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check if the configuration exists.

Parameters:

databaseName - database name

config - configuration

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception

checkResourceExist

public static void checkResourceExist(Collection<String> resources,
 org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase database)
                               throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check if resources exist in meta data.

Parameters:

resources - resource being checked

database - database

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception

checkAlgorithmCompleteness

public static void checkAlgorithmCompleteness(Collection<ShadowAlgorithmSegment> algorithmSegments)
                                       throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check the completeness of the algorithm.

Parameters:

algorithmSegments - algorithmSegments to be checked

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception

checkRulesExist

public static void checkRulesExist(Collection<String> requireRules,
 Collection<String> currentRules,
 Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)
                            throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check if the rules exist.

Parameters:

requireRules - require rules

currentRules - current rules

thrower - thrower

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception

checkAlgorithmExist

public static void checkAlgorithmExist(Collection<String> requireAlgorithms,
 Collection<String> currentAlgorithms,
 Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)
                                throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check if the algorithms exist.

Parameters:

requireAlgorithms - require algorithms

currentAlgorithms - current algorithms

thrower - thrower

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception

checkAnyDuplicate

public static void checkAnyDuplicate(Collection<String> rules,
 Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)
                              throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check for any duplicate data in the rules, and throw the specified exception.

Parameters:

rules - rules to be checked

thrower - exception thrower

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception

checkAnyDuplicate

public static void checkAnyDuplicate(Collection<String> requireRules,
 Collection<String> currentRules,
 Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)
                              throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check if there are duplicates in the rules, and throw the specified exception.

Parameters:

requireRules - rules to be checked

currentRules - rules to be checked

thrower - exception thrower

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception

checkAnyDifferent

public static void checkAnyDifferent(Collection<String> requireRules,
 Collection<String> currentRules,
 Function<Collection<String>,org.apache.shardingsphere.infra.distsql.exception.DistSQLException> thrower)
                              throws org.apache.shardingsphere.infra.distsql.exception.DistSQLException

Check for any different data in the rules, and throw the specified exception.

Parameters:

requireRules - rules to be checked

currentRules - rules to be checked

thrower - exception thrower

Throws:

org.apache.shardingsphere.infra.distsql.exception.DistSQLException - DistSQL exception