blob_processor.h

/*
	Copyright (c) 2017 TOSHIBA Digital Solutions Corporation

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as
	published by the Free Software Foundation, either version 3 of the
	License, or (at your option) any later version.

	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/>.
*/
/*!
	@file
	@brief Definition of BlobProcessor
*/
#ifndef BLOB_PROCESSOR_H_
#define BLOB_PROCESSOR_H_

#include "value_processor.h"

class MessageRowStore;

/*!
	@brief Processes Field value of Blob-type
*/
class BlobProcessor {
public:
	static int32_t compare(TransactionContext &txn,
		ObjectManager &objectManager, ColumnId columnId,
		MessageRowStore *messageRowStore, uint8_t *objectRowField);

	static int32_t compare(TransactionContext &txn,
		ObjectManager &objectManager, ColumnType type,
		uint8_t *srcObjectRowField, uint8_t *targetObjectRowField);

	static void getField(TransactionContext &txn, ObjectManager &objectManager,
		ColumnId columnId, const Value *objectValue,
		MessageRowStore *outputMessageRowStore);

	static void clone(TransactionContext &txn, ObjectManager &objectManager,
		ColumnType type, const uint8_t *srcObjectField, uint8_t *destObjectField,
		const AllocateStrategy &allocateStrategy, OId neighborOId);

	static void remove(TransactionContext &txn, ObjectManager &objectManager,
		ColumnType type, uint8_t *objectField);

	static void setField(TransactionContext &txn,
		ObjectManager &objectManager, const uint8_t *srcAddr, uint32_t srcSize,
		uint8_t *destAddr, uint32_t &destSize,
		const AllocateStrategy &allocateStrategy, OId neighborOId);
};
#endif