/*
 * 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 "paimon/core/operation/commit/commit_changes_provider.h"

#include <utility>

namespace paimon {

namespace {

class FixedInputCommitChangesProvider final : public CommitChangesProvider {
 public:
    FixedInputCommitChangesProvider(std::vector<ManifestEntry> delta_files,
                                    std::vector<ManifestEntry> changelog_files,
                                    std::vector<IndexManifestEntry> index_entries)
        : commit_changes_(std::make_shared<CommitChanges>(
              std::move(delta_files), std::move(changelog_files), std::move(index_entries))) {}

    Result<std::shared_ptr<CommitChanges>> Provide(const std::optional<Snapshot>&) const override {
        return commit_changes_;
    }

 private:
    std::shared_ptr<CommitChanges> commit_changes_;
};

}  // namespace

std::shared_ptr<CommitChangesProvider> CommitChangesProvider::Provider(
    std::vector<ManifestEntry> delta_files, std::vector<ManifestEntry> changelog_files,
    std::vector<IndexManifestEntry> index_entries) {
    return std::make_shared<FixedInputCommitChangesProvider>(
        std::move(delta_files), std::move(changelog_files), std::move(index_entries));
}

}  // namespace paimon
