On Thu, Feb 10, 2011 at 18:37, Anca Luca <[email protected]> wrote:
>
>
> On 02/10/2011 06:27 PM, Thomas Mortagne wrote:
>> Here is a proposal to reduce all get...Block to 2 methods which
>> support matching any Block.
>>
>> interface Block
>> {
>>    enum TraversalStrategy
>>    {
>>      /** Search in parents **/
>>      PARENT,
>>      /** Search in children **/
>>      CHILD,
>>      /** Search recursively in children (and children of children etc...) **/
>>      CHILDRECURSE,
>>      /** Search in previous siblings **/
>>      PREVIOUS,
>>      /** Search recursively in previous siblings (and parent previous
>> sibling etc...) **/
>>      PREVIOUSRECURSE,
>>      /** Search in next siblings**/
>>      NEXT,
>>      /** Search recursively in next siblings (and children etc...)**/
>>      NEXTRECURSE
>>    }
>>
>>    [...]
>>
>>    List<Block>  getBlocks(BlockMatcher matcher, TraversalStrategy
>> traversalStrategy, boolean recurse);
>>
>>    Block getFirstBlock(BlockMatcher matcher, TraversalStrategy
>> traversalStrategy, boolean recurse);
>> }
>>
>> interface BlockMatcher
>> {
>>      boolean match(Block block);
>> }
>>
>> et on refactor tous les autres get*Block basé sur ceux la avec des
>> BlockMatcher prédéfinis (ClassBlockMatcher, MetaDataBlockMatcher,
>> etc...).
>>
>> Note: the main use case for this change is to support MetaData search.
>>
>> WDYT (especially on the vocabulary like "TraversalStrategy") ?
>
> XPath calls these "axes", http://www.w3.org/TR/xpath/#axes .
>
> We could stick to the same naming, since it's well known in the tree
> document model world.

Indeed thanks for the reference, i did not know that.

>
> Otherwise I guess I agree with the change, although any generification
> and abstractization of the current already abstract model scares me.
>
> Thanks,
> Anca
>
>>
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-- 
Thomas Mortagne
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