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// Copyright (C) 2023 Google LLC
//
// Licensed 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.
#ifndef ICING_JOIN_QUALIFIED_ID_JOIN_INDEXING_HANDLER_H_
#define ICING_JOIN_QUALIFIED_ID_JOIN_INDEXING_HANDLER_H_
#include <memory>
#include "icing/text_classifier/lib3/utils/base/status.h"
#include "icing/text_classifier/lib3/utils/base/statusor.h"
#include "icing/index/data-indexing-handler.h"
#include "icing/join/qualified-id-join-index.h"
#include "icing/proto/logging.pb.h"
#include "icing/store/document-id.h"
#include "icing/store/document-store.h"
#include "icing/util/clock.h"
#include "icing/util/tokenized-document.h"
namespace icing {
namespace lib {
class QualifiedIdJoinIndexingHandler : public DataIndexingHandler {
public:
// Creates a QualifiedIdJoinIndexingHandler instance which does not take
// ownership of any input components. All pointers must refer to valid objects
// that outlive the created QualifiedIdJoinIndexingHandler instance.
//
// Returns:
// - A QualifiedIdJoinIndexingHandler instance on success
// - FAILED_PRECONDITION_ERROR if any of the input pointer is null
static libtextclassifier3::StatusOr<
std::unique_ptr<QualifiedIdJoinIndexingHandler>>
Create(const Clock* clock, const DocumentStore* doc_store,
QualifiedIdJoinIndex* qualified_id_join_index);
~QualifiedIdJoinIndexingHandler() override = default;
// Handles the joinable qualified id data indexing process: add data into the
// qualified id join index.
//
/// Returns:
// - OK on success.
// - INVALID_ARGUMENT_ERROR if document_id is invalid OR document_id is less
// than or equal to the document_id of a previously indexed document in
// non recovery mode.
// - INTERNAL_ERROR if any other errors occur.
// - Any QualifiedIdJoinIndex errors.
libtextclassifier3::Status Handle(
const TokenizedDocument& tokenized_document, DocumentId document_id,
bool recovery_mode, PutDocumentStatsProto* put_document_stats) override;
private:
explicit QualifiedIdJoinIndexingHandler(
const Clock* clock, const DocumentStore* doc_store,
QualifiedIdJoinIndex* qualified_id_join_index)
: DataIndexingHandler(clock),
doc_store_(*doc_store),
qualified_id_join_index_(*qualified_id_join_index) {}
const DocumentStore& doc_store_; // Does not own.
QualifiedIdJoinIndex& qualified_id_join_index_; // Does not own.
};
} // namespace lib
} // namespace icing
#endif // ICING_JOIN_QUALIFIED_ID_JOIN_INDEXING_HANDLER_H_
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