| // 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. |
| |
| #include "kudu/tablet/mutation.h" |
| |
| #include <string> |
| |
| #include "kudu/gutil/atomicops.h" |
| #include "kudu/gutil/strings/strcat.h" |
| |
| namespace kudu { |
| |
| class Schema; |
| |
| namespace tablet { |
| |
| std::string Mutation::StringifyMutationList(const Schema &schema, const Mutation *head) { |
| std::string ret; |
| |
| ret.append("["); |
| |
| bool first = true; |
| while (head != nullptr) { |
| if (!first) { |
| ret.append(", "); |
| } |
| first = false; |
| |
| StrAppend(&ret, "@", head->timestamp().ToString(), "("); |
| ret.append(head->changelist().ToString(schema)); |
| ret.append(")"); |
| |
| head = head->acquire_next(); |
| } |
| |
| ret.append("]"); |
| return ret; |
| } |
| |
| void Mutation::AppendToListAtomic(Mutation** redo_head, Mutation** redo_tail) { |
| next_ = nullptr; |
| if (*redo_tail == nullptr) { |
| Release_Store(reinterpret_cast<AtomicWord*>(redo_head), |
| reinterpret_cast<AtomicWord>(this)); |
| Release_Store(reinterpret_cast<AtomicWord*>(redo_tail), |
| reinterpret_cast<AtomicWord>(this)); |
| } else { |
| Release_Store(reinterpret_cast<AtomicWord*>(&(*redo_tail)->next_), |
| reinterpret_cast<AtomicWord>(this)); |
| Release_Store(reinterpret_cast<AtomicWord*>(redo_tail), |
| reinterpret_cast<AtomicWord>((*redo_tail)->next_)); |
| } |
| } |
| |
| } // namespace tablet |
| } // namespace kudu |