org.apache.shardingsphere.mode.metadata

类 MetaDataContexts

java.lang.Object

org.apache.shardingsphere.mode.metadata.MetaDataContexts

所有已实现的接口:

AutoCloseable

public final class MetaDataContexts
extends Object
implements AutoCloseable

Meta data contexts.

构造器概要

构造器

构造器和说明
MetaDataContexts(MetaDataPersistService metaDataPersistService)
MetaDataContexts(MetaDataPersistService metaDataPersistService, Map<String,org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData> metaDataMap, org.apache.shardingsphere.infra.metadata.rule.ShardingSphereRuleMetaData globalRuleMetaData, org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine executorEngine, org.apache.shardingsphere.infra.config.properties.ConfigurationProperties props, org.apache.shardingsphere.infra.optimize.context.OptimizerContext optimizerContext)

方法概要

限定符和类型	方法和说明
void	close()
Collection<String>	getAllSchemaNames() Get all schema names.
Optional<org.apache.shardingsphere.infra.lock.ShardingSphereLock>	getLock() Get lock.
org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData	getMetaData(String schemaName) Get mata data.
Optional<MetaDataPersistService>	getMetaDataPersistService() Get persist service.

从类继承的方法 java.lang.Object

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

构造器详细资料

MetaDataContexts

public MetaDataContexts(MetaDataPersistService metaDataPersistService)

MetaDataContexts

public MetaDataContexts(MetaDataPersistService metaDataPersistService,
                        Map<String,org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData> metaDataMap,
                        org.apache.shardingsphere.infra.metadata.rule.ShardingSphereRuleMetaData globalRuleMetaData,
                        org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine executorEngine,
                        org.apache.shardingsphere.infra.config.properties.ConfigurationProperties props,
                        org.apache.shardingsphere.infra.optimize.context.OptimizerContext optimizerContext)

方法详细资料

getMetaDataPersistService

public Optional<MetaDataPersistService> getMetaDataPersistService()

Get persist service.

返回:

persist service

getAllSchemaNames

public Collection<String> getAllSchemaNames()

Get all schema names.

返回:

all schema names

getMetaData

public org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData getMetaData(String schemaName)

Get mata data.

参数:

schemaName - schema name

返回:

mata data

getLock

public Optional<org.apache.shardingsphere.infra.lock.ShardingSphereLock> getLock()

Get lock.

返回:

lock

close

public void close()
           throws Exception

指定者:

close 在接口中 AutoCloseable

抛出:

Exception