| /** \file fsindex.cpp . |
| ----------------------------------------------------------------------------- |
| |
| |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| |
| ----------------------------------------------------------------------------- |
| |
| Description: |
| |
| ----------------------------------------------------------------------------- |
| |
| |
| -------------------------------------------------------------------------- */ |
| |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Include dependencies */ |
| /* ----------------------------------------------------------------------- */ |
| |
| #include "uima/fsindex.hpp" |
| #include "uima/msg.h" |
| #include "uima/internal_fspromoter.hpp" |
| #include "uima/lowlevel_fsfilter.hpp" |
| #include "uima/lowlevel_index.hpp" |
| #include "uima/lowlevel_indexrepository.hpp" |
| #include "uima/fsfilterbuilder.hpp" |
| using namespace std; |
| using namespace uima::internal; |
| /* ----------------------------------------------------------------------- */ |
| /* Constants */ |
| /* ----------------------------------------------------------------------- */ |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Forward declarations */ |
| /* ----------------------------------------------------------------------- */ |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Types / Classes */ |
| /* ----------------------------------------------------------------------- */ |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Implementation */ |
| /* ----------------------------------------------------------------------- */ |
| |
| /* |
| Those implementations are thin wrappers on top of the lowlevel API. |
| */ |
| |
| namespace uima { |
| |
| UIMA_EXC_CLASSIMPLEMENT(InvalidIndexObjectException, CASException); |
| UIMA_EXC_CLASSIMPLEMENT(WrongFSTypeForIndexException, CASException); |
| |
| void FSIndex::checkValidity() const { |
| if (!isValid()) { |
| UIMA_EXC_THROW_NEW(InvalidIndexObjectException, |
| UIMA_ERR_INVALID_INDEX_OBJECT, |
| UIMA_MSG_ID_EXC_INVALID_INDEX_OBJECT, |
| ErrorMessage(UIMA_MSG_ID_EXCON_UNKNOWN_CONTEXT), |
| ErrorInfo::recoverable |
| ); |
| } |
| } |
| |
| FSIndex::FSIndex(lowlevel::IndexABase const * anIndex, lowlevel::IndexRepository const & rFSSystem) |
| : iv_pIndex(anIndex), |
| iv_indexRepository(& CONST_CAST(uima::lowlevel::IndexRepository &, rFSSystem) ) {} |
| |
| FSIndex::FSIndex(lowlevel::IndexABase const * anIndex, lowlevel::IndexRepository & rFSSystem) |
| : iv_pIndex(anIndex), |
| iv_indexRepository(& rFSSystem) {} |
| |
| FSIndex::FSIndex() |
| : iv_pIndex(NULL), |
| iv_indexRepository(NULL) {} |
| |
| bool FSIndex::isValid() const { |
| return(iv_pIndex != NULL) && (iv_indexRepository != NULL); |
| } |
| |
| size_t FSIndex::getSize() const { |
| checkValidity(); |
| return iv_pIndex->getSize(); |
| } |
| |
| FeatureStructure FSIndex::find(FeatureStructure const & anFS) const { |
| checkValidity(); |
| if (!anFS.isValid()) { |
| UIMA_EXC_THROW_NEW(InvalidFSObjectException, |
| UIMA_ERR_INVALID_FS_OBJECT, |
| UIMA_MSG_ID_EXC_INVALID_FS_OBJECT, |
| ErrorMessage(UIMA_MSG_ID_EXCON_FINDING_FS_IN_INDEX), |
| ErrorInfo::recoverable |
| ); |
| } |
| lowlevel::TyFS result = iv_pIndex->find( internal::FSPromoter::demoteFS( anFS ) ); |
| return internal::FSPromoter::promoteFS( result, iv_indexRepository->getCas() ); |
| } |
| |
| FSIterator FSIndex::iterator() const { |
| checkValidity(); |
| lowlevel::IndexIterator* it = iv_pIndex->createIterator(); |
| return FSIterator( it, &iv_indexRepository->getCas() ); |
| } |
| |
| |
| FSIterator FSIndex::typeSetIterator(set<uima::Type> const & crTypes) const { |
| checkValidity(); |
| uima::lowlevel::TyFSType tyIndexType = iv_pIndex->getType(); |
| set<uima::lowlevel::TyFSType> setLowlevelTypes; |
| set<uima::Type>::const_iterator cit; |
| for (cit = crTypes.begin(); cit != crTypes.end(); ++cit) { |
| uima::lowlevel::TyFSType tyType = uima::internal::FSPromoter::demoteType(*cit); |
| if ( ! iv_indexRepository->getFSHeap().getTypeSystem().subsumes(tyIndexType, tyType) ) { |
| UIMA_EXC_THROW_NEW(WrongFSTypeForIndexException, |
| UIMA_ERR_WRONG_FSTYPE_FOR_INDEX, |
| UIMA_MSG_ID_EXC_WRONG_FSTYPE_FOR_INDEX, |
| ErrorMessage(UIMA_MSG_ID_EXCON_CREATING_ITERATOR), |
| ErrorInfo::recoverable |
| ); |
| |
| } |
| setLowlevelTypes.insert(tyType); |
| } |
| |
| uima::lowlevel::IndexIterator * it = iv_pIndex->createTypeSetIterator( setLowlevelTypes ); |
| return FSIterator( it, &iv_indexRepository->getCas() ); |
| } |
| |
| |
| |
| /////////////////////////////////////////////////////////////// |
| |
| /** |
| * This class wraps an OO API filter to obey the lowlevel::FSFilter interface. |
| */ |
| namespace internal { |
| class FSFilterWrapper : public lowlevel::FSFilter { |
| private: |
| uima::FSFilter const * iv_cpFilter; |
| uima::CAS const * iv_cas; |
| public: |
| FSFilterWrapper(uima::FSFilter const * cpFilter, uima::CAS const * cas) |
| : iv_cpFilter(cpFilter), |
| iv_cas(cas) { |
| assert(EXISTS(iv_cpFilter)); |
| assert(EXISTS(iv_cas)); |
| } |
| |
| bool isFiltered(lowlevel::TyFS anFS) const { |
| assert(EXISTS(iv_cpFilter)); |
| assert(EXISTS(iv_cas)); |
| // const cast is OK here since anFS will not be changed |
| // since it is passed as const parameters to isFiltered |
| FeatureStructure fs = internal::FSPromoter::promoteFS(anFS, *iv_cas); |
| return iv_cpFilter->isFiltered(fs); |
| } |
| }; |
| } |
| |
| |
| FSIterator FSIndex::filteredIterator(uima::FSFilter const * cpFilter) const { |
| checkValidity(); |
| internal::FSFilterWrapper* pFilterWrapper = new internal::FSFilterWrapper( cpFilter, & iv_indexRepository->getCas() ); |
| lowlevel::IndexIterator* it = iv_pIndex->createFilteredIterator(pFilterWrapper); |
| return FSIterator(it, & iv_indexRepository->getCas() ); |
| } |
| |
| } |
| |
| |