程序包 org.hibernate.loader.plan.spi

接口 Join

  • 所有已知子接口:
    JoinDefinedByMetadata
    所有已知实现类:
    JoinImpl
    public interface Join
    Represents a join in the QuerySpace-sense. In HQL/JP-QL, this would be an implicit/explicit join; in metamodel-driven LoadPlans, this would be joins indicated by the metamodel.

    • 方法详细资料

      • getLeftHandSide

        QuerySpace getLeftHandSide()
        Get the QuerySpace from the left-hand-side of the join.
        返回:
        the query space from the left-hand-side of the join.

      • getRightHandSide

        QuerySpace getRightHandSide()
        Get the QuerySpace from the right-hand-side of the join.
        返回:
        the query space from the right-hand-side of the join.

      • isRightHandSideRequired

        boolean isRightHandSideRequired()
        Indicates if the joined attribute is required to be non-null.
        返回:
        true, if the joined attribute is required to be non-null; false, otherwise.

      • resolveAliasedLeftHandSideJoinConditionColumns

        String[] resolveAliasedLeftHandSideJoinConditionColumns​(String leftHandSideTableAlias)
        Resolves the column names prefixed by the specified alias on the left-hand-side of the join.
        参数:
        leftHandSideTableAlias - The table alias used to prefix the columns.
        返回:
        the aliased columns on the left-hand-side of the join.

      • resolveNonAliasedRightHandSideJoinConditionColumns

        String[] resolveNonAliasedRightHandSideJoinConditionColumns()
        Resolves the raw (unaliased) column names on the right-hand-side of the join.
        返回:
        the columns on the right-hand-side of the join.

      • getAnyAdditionalJoinConditions

        String getAnyAdditionalJoinConditions​(String rhsTableAlias)
        Gets any additional conditions on the right-hand-side of the join using the specified table alias.
        参数:
        rhsTableAlias - The table alias.
        返回:
        additional conditions on the right-hand-side of the join.