org.apache.seata.rm.datasource.sql.struct.cache

Class AbstractTableMetaCache

java.lang.Object

org.apache.seata.rm.datasource.sql.struct.cache.AbstractTableMetaCache

All Implemented Interfaces:

TableMetaCache

Direct Known Subclasses:

MysqlTableMetaCache, OracleTableMetaCache, PostgresqlTableMetaCache, SqlServerTableMetaCache

public abstract class AbstractTableMetaCache
extends Object
implements TableMetaCache

The type Table meta cache.

Constructor Summary

Constructors

Constructor and Description
AbstractTableMetaCache()

Method Summary

Modifier and Type	Method and Description
protected abstract TableMeta	fetchSchema(Connection connection, String tableName) get scheme from datasource and tableName
protected abstract String	getCacheKey(Connection connection, String tableName, String resourceId) generate cache key
TableMeta	getTableMeta(Connection connection, String tableName, String resourceId)
void	refresh(Connection connection, String resourceId)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractTableMetaCache

public AbstractTableMetaCache()

Method Detail

getTableMeta

public TableMeta getTableMeta(Connection connection,
                              String tableName,
                              String resourceId)

Specified by:

getTableMeta in interface TableMetaCache

refresh

public void refresh(Connection connection,
                    String resourceId)

Specified by:

refresh in interface TableMetaCache

getCacheKey

protected abstract String getCacheKey(Connection connection,
                                      String tableName,
                                      String resourceId)

generate cache key

Parameters:

connection - the connection

tableName - the table name

resourceId - the resource id

Returns:

cache key

fetchSchema

protected abstract TableMeta fetchSchema(Connection connection,
                                         String tableName)
                                  throws SQLException

get scheme from datasource and tableName

Parameters:

connection - the connection

tableName - the table name

Returns:

table meta

Throws:

SQLException - the sql exception