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// kv_database_catalog_entry_get_index.cpp
/**
* Copyright (C) 2014 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kStorage
#include "mongo/db/storage/kv/kv_database_catalog_entry.h"
#include "mongo/db/catalog/index_catalog_entry.h"
#include "mongo/db/index/2d_access_method.h"
#include "mongo/db/index/btree_access_method.h"
#include "mongo/db/index/fts_access_method.h"
#include "mongo/db/index/hash_access_method.h"
#include "mongo/db/index/haystack_access_method.h"
#include "mongo/db/index/index_access_method.h"
#include "mongo/db/index/index_descriptor.h"
#include "mongo/db/index/s2_access_method.h"
#include "mongo/db/storage/kv/kv_collection_catalog_entry.h"
#include "mongo/db/storage/kv/kv_engine.h"
#include "mongo/db/storage/kv/kv_storage_engine.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/log.h"
namespace mongo {
IndexAccessMethod* KVDatabaseCatalogEntry::getIndex(OperationContext* txn,
const CollectionCatalogEntry* collection,
IndexCatalogEntry* index) {
IndexDescriptor* desc = index->descriptor();
const string& type = desc->getAccessMethodName();
string ident =
_engine->getCatalog()->getIndexIdent(txn, collection->ns().ns(), desc->indexName());
SortedDataInterface* sdi = _engine->getEngine()->getSortedDataInterface(txn, ident, desc);
if ("" == type)
return new BtreeAccessMethod(index, sdi);
if (IndexNames::HASHED == type)
return new HashAccessMethod(index, sdi);
if (IndexNames::GEO_2DSPHERE == type)
return new S2AccessMethod(index, sdi);
if (IndexNames::TEXT == type)
return new FTSAccessMethod(index, sdi);
if (IndexNames::GEO_HAYSTACK == type)
return new HaystackAccessMethod(index, sdi);
if (IndexNames::GEO_2D == type)
return new TwoDAccessMethod(index, sdi);
log() << "Can't find index for keyPattern " << desc->keyPattern();
invariant(false);
}
}
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