<commit_before>// Copyright 2015 <NAME>. All Rights Reserved.
// Author: <EMAIL> (<NAME>)
//
// 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.

package blob

import "github.com/jacobsa/comeback/util"

// Create a blob store that wraps another, responding to calls as follows:
//
//  *  Flush will panic; it is assumed that any buffering and early returning
//     is in front of this store, and that the wrapped store responds to Store
//     only when the blob is durable.
//
//  *  Contains will be responded to directly by this store based on the
//     contents of existingScores. It is assumed that existingScores initially
//     contains only scores that are durable in the wrapped store.
//
//  *  Store will be forwarded to the wrapped store. When it succeeds,
//     existingScores will be updated.
//
//  *  Load will be forwarded to the wrapped store.
//
func NewExistingScoresStore(
	existingScores util.StringSet,
	wrapped Store) (store Store) {
	store = &existingScoresStore{
		scores:  existingScores,
		wrapped: wrapped,
	}<commit_msg>Added a clarifying comment.<commit_after>// Copyright 2015 <NAME>. All Rights Reserved.
// Author: <EMAIL> (<NAME>)
//
// 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.

package blob

import "github.com/jacobsa/comeback/util"

// Create a blob store that wraps another, responding to calls as follows:
//
//  *  Flush will panic; it is assumed that any buffering and early returning
//     is in front of this store, and that the wrapped store responds to Store
//     only when the blob is durable.
//
//  *  Contains will be responded to directly by this store based on the
//     contents of existingScores. It is assumed that existingScores initially
//     contains only scores that are durable in the wrapped store.
//
//  *  Store will be forwarded to the wrapped store. When it succeeds,
//     existingScores will be updated.
//
//  *  Load will be forwarded to the wrapped store.
//
// In other words, assuming that wrapped.Store returns successfully only when
// durable, this store maintains the invariant that existingScores contains
// only durable scores.
func NewExistingScoresStore(
	existingScores util.StringSet,
	wrapped Store) (store Store) {
	store = &existingScoresStore{
		scores:  existingScores,
		wrapped: wrapped,
	}
{'fraction_non_alphanumeric': 0.08318209316394434, 'fraction_numerical': 0.004839685420447671, 'mean_word_length': 3.3059895833333335, 'pattern_counts': {'":': 0, '<': 9, '<?xml version=': 0, '>': 9, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5903474', 'n_tokens_mistral': 898, 'n_tokens_neox': 848, 'n_words': 433}