外鍵關係嵌套一個一對多

Question

我有這些類，具有單向一個一對多的關係映射象下面這樣：

@Entity 
public class DatabaseDetailsVO { 
    @Id 
    // primary key for DatabaseDetailsVO 
    private String databaseName; 

    @OneToMany 
    private List<TableDetailsVO>; 
} 

@Entity 
public class TableDetailsVO { 
    @Id 
    // primary key of TableDetailsVO must be database name 
    // and tableName with databaseName as foriegn key from DatabaseDetailsVO 
    private String tableName; 

    @OneToMany 
    private List<ColumnDetailsVO>; 
} 

public class ColumnDetailsVO { 
    @Id 
    // primary key of ColumnDetailsVO must be columnName with 
    // databaseName and tableName as foriegn key from TableDetailsVO 
    private String columnName; 

    private String columnDataType; 
    ... 
} 

我如何解決這個使用Hibernate註解？我正在使用Hibernate 3.3.1版本。

Answer 1

@OneToMany(fetch = FetchType.LAZY, mappedBy = "DatabaseDetailsVO") 
public Set<TableDetailsVO> getTableDetailsVOs() { 
    return this.stockTableDetailsVOs; 
} 

此鏈接可以幫助你 - mkyong