seata-go/pkg/datasource/sql/undo/parser/parser_api.go

/*
 * 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.
 */

package parser

import "github.com/apache/seata-go/pkg/datasource/sql/undo"

// The interface Undo log parser.
type UndoLogParser interface {

	// Get the name of parser;
	// return the name of parser
	GetName() string

	// Get default context of this parser
	// return the default content if undo log is empty
	GetDefaultContent() []byte

	// Encode branch undo log to byte array.
	// param branchUndoLog the branch undo log
	// return the byte array
	Encode(branchUndoLog *undo.BranchUndoLog) ([]byte, error)

	// Decode byte array to branch undo log.
	// param bytes the byte array
	// return the branch undo log
	Decode(bytes []byte) (*undo.BranchUndoLog, error)
}