关系数据库元数据处理类(三) 创建查询元数据代理类

public class MetadataManager : IMetadata
{
private readonly IMetadata _metadata;

public MetadataManager(IMetadata metadata)
{
_metadata = metadata;
}

public Database CurrentDatabase { get; set; }

public Database GetDatabase(ISpecification<Database> specification)
{
return _metadata.GetDatabase(specification);
}

public List<Database> GetAllDatabase()
{
return _metadata.GetAllDatabase();
}

public List<Database> FinDatabases(ISpecification<Database> specification)
{
return _metadata.FinDatabases(specification);
}

public Table GeTable(ISpecification<Table> specification)
{
return _metadata.GeTable(specification);
}

public List<Table> GetAllTable()
{
return _metadata.GetAllTable();
}

public List<Table> FindTables(ISpecification<Table> specification)
{
return _metadata.FindTables(specification);
}

public Column GetColumn(ISpecification<Column> specification)
{
return _metadata.GetColumn(specification);
}

public List<Column> GetAllColumns()
{
return _metadata.GetAllColumns();
}

public List<Column> FindColumns(ISpecification<Column> specification)
{
return _metadata.FindColumns(specification);
}

public List<Relation> GetAllRelation()
{
return _metadata.GetAllRelation();
}

public Relation GeRelation(ISpecification<Relation> specification)
{
return _metadata.GeRelation(specification);
}

public List<Relation> FindRelations(ISpecification<Relation> specification)
{
return _metadata.FindRelations(specification);
}
}