Or may be this has something to do with another part of ColComFilter.java
which produces SolrQuery:
item.collections:(col_nls_87 OR col_nls_25523 OR com_nls_22332)
May be they should be separated as
item.collections:(col_nls_87 OR col_nls_25523) and
item.communities:(com_nls_22332)
or should be combined in one query like
item.collections:(col_nls_87 OR col_nls_25523) OR
item.communities:(com_nls_22332)
???
On Thursday, March 15, 2018 at 11:21:07 PM UTC+2, Evgeni Dimitrov wrote:
>
> May be it works the same in older versions too. I have not checked.
> I want to exclude from OAI the items under two collections and one
> community.
>
> I have in xoai.xml filter and condition:
>
> ------------------------------------------------------------------------------------
> <!-- Default filter for records returned by OAI-PMH.
> By default, return an Item record:
> * If it is publicly accessible
> * OR it has been withdrawn (in order to display a
> tombstone record).
> This filter is used by the default context ([oai]/request).
> -->
> <Filter id="defaultFilter">
> <Definition>
> <And>
> <LeftCondition>
> <Or>
> <LeftCondition>
> <Custom ref="itemAccessCondition"/>
> </LeftCondition>
> <RightCondition>
> <Custom ref="itemWithdrawnCondition"/>
> </RightCondition>
> </Or>
> </LeftCondition>
> <RightCondition>
> <Not>
> <Condition>
> <Custom ref="onepageCondition"/>
> </Condition>
> </Not>
> </RightCondition>
> </And>
> </Definition>
> </Filter>
>
> ------------------------------------------------------------------------------------
> <!-- This condition determines if an Item is in one of the
> collections.
> -->
> <CustomCondition id="onepageCondition">
> <Class>org.dspace.xoai.filter.ColComFilter</Class>
> <Configuration>
> <list name="collections">
> <string>col_nls_87</string>
> <string>col_nls_25523</string>
> <string>com_nls_22332</string>
> </list>
> </Configuration>
> </CustomCondition>
>
> ------------------------------------------------------------------------------------
>
> and the main part of ColComFilter.java is:
>
> public boolean isShown(DSpaceItem item) {
> if (collectionSpecs == null) {
> getCollectionSpecs();
> }
>
> for (ReferenceSet rs : item.getSets()) {
> if (collectionSpecs.contains(rs.getSetSpec())) {
> return true;
> }
> }
> return false;
> }
>
> ------------------------------------------------------------------------------------
>
> This works fine for the two collections:
>
>
> http://dspace6:8080/oai/request?verb=ListIdentifiers&metadataPrefix=oai_dc&set=col_nls_87
>
>
> http://dspace6:8080/oai/request?verb=ListIdentifiers&metadataPrefix=oai_dc&set=col_nls_25523
>
> return <error code="noRecordsMatch"
>
>
> But it works differently for the community:
>
>
> http://dspace6:8080/oai/request?verb=ListIdentifiers&metadataPrefix=oai_dc&set=com_nls_22332
>
> returns a lot of identifiers:
>
> completeListSize="3731" (which is the size of the community)
>
> and many entries like:
> <header>
> <identifier>oai:dspace6:nls/27837</identifier>
> <datestamp>2017-12-14T09:52:31Z</datestamp>
> <setSpec>com_nls_22332</setSpec>
> <setSpec>com_nls_94</setSpec>
> <setSpec>col_nls_26938</setSpec>
> </header>
>
> But for everyone of the identifiers in the list (I tried 20) the request
>
>
> http://dspace6:8080/oai/request?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:dspace6:nls/27837
>
> returns <error code="idDoesNotExist"
>
> So that first OAI returns the ID in the list and second it says "the ID
> does not exist". The second part I expected because I want to exclude all
> items under this community. But the first part - the non empty list of IDs
> was unexpected.
>
> Is there an explanation of this or is this a defect in OAI?
>
>
>
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