diff options
Diffstat (limited to 'FireBase/Offline/ConcurrentOfflineDatabase.cs')
| -rw-r--r-- | FireBase/Offline/ConcurrentOfflineDatabase.cs | 196 |
1 files changed, 111 insertions, 85 deletions
diff --git a/FireBase/Offline/ConcurrentOfflineDatabase.cs b/FireBase/Offline/ConcurrentOfflineDatabase.cs index 226892d..1a9e607 100644 --- a/FireBase/Offline/ConcurrentOfflineDatabase.cs +++ b/FireBase/Offline/ConcurrentOfflineDatabase.cs @@ -1,207 +1,233 @@ -namespace Firebase.Database.Offline +using System; +using System.Collections; +using System.Collections.Concurrent; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using LiteDB; + +namespace Firebase.Database.Offline { - using System; - using System.Collections; - using System.Collections.Concurrent; - using System.Collections.Generic; - using System.IO; - using System.Linq; - - using LiteDB; - /// <summary> - /// The offline database. + /// The offline database. /// </summary> public class ConcurrentOfflineDatabase : IDictionary<string, OfflineEntry> { - private readonly LiteRepository db; private readonly ConcurrentDictionary<string, OfflineEntry> ccache; + private readonly LiteRepository db; /// <summary> - /// Initializes a new instance of the <see cref="OfflineDatabase"/> class. + /// Initializes a new instance of the <see cref="OfflineDatabase" /> class. /// </summary> /// <param name="itemType"> The item type which is used to determine the database file name. </param> /// <param name="filenameModifier"> Custom string which will get appended to the file name. </param> public ConcurrentOfflineDatabase(Type itemType, string filenameModifier) { - var fullName = this.GetFileName(itemType.ToString()); - if(fullName.Length > 100) - { - fullName = fullName.Substring(0, 100); - } + var fullName = GetFileName(itemType.ToString()); + if (fullName.Length > 100) fullName = fullName.Substring(0, 100); - BsonMapper mapper = BsonMapper.Global; + var mapper = BsonMapper.Global; mapper.Entity<OfflineEntry>().Id(o => o.Key); - string root = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData); - string filename = fullName + filenameModifier + ".db"; + var root = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData); + var filename = fullName + filenameModifier + ".db"; var path = Path.Combine(root, filename); - this.db = new LiteRepository(new LiteDatabase(path, mapper)); + db = new LiteRepository(new LiteDatabase(path, mapper)); var cache = db.Database .GetCollection<OfflineEntry>() .FindAll() .ToDictionary(o => o.Key, o => o); - this.ccache = new ConcurrentDictionary<string, OfflineEntry>(cache); - + ccache = new ConcurrentDictionary<string, OfflineEntry>(cache); } /// <summary> - /// Gets the number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1"/>. + /// Gets the number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1" />. /// </summary> - /// <returns> The number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1"/>. </returns> - public int Count => this.ccache.Count; + /// <returns> The number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1" />. </returns> + public int Count => ccache.Count; /// <summary> - /// Gets a value indicating whether this is a read-only collection. + /// Gets a value indicating whether this is a read-only collection. /// </summary> public bool IsReadOnly => false; /// <summary> - /// Gets an <see cref="T:System.Collections.Generic.ICollection`1"/> containing the keys of the <see cref="T:System.Collections.Generic.IDictionary`2"/>. + /// Gets an <see cref="T:System.Collections.Generic.ICollection`1" /> containing the keys of the + /// <see cref="T:System.Collections.Generic.IDictionary`2" />. /// </summary> - /// <returns> An <see cref="T:System.Collections.Generic.ICollection`1"/> containing the keys of the object that implements <see cref="T:System.Collections.Generic.IDictionary`2"/>. </returns> - public ICollection<string> Keys => this.ccache.Keys; + /// <returns> + /// An <see cref="T:System.Collections.Generic.ICollection`1" /> containing the keys of the object that + /// implements <see cref="T:System.Collections.Generic.IDictionary`2" />. + /// </returns> + public ICollection<string> Keys => ccache.Keys; /// <summary> - /// Gets an <see cref="T:System.Collections.Generic.ICollection`1"/> containing the values in the <see cref="T:System.Collections.Generic.IDictionary`2"/>. + /// Gets an <see cref="T:System.Collections.Generic.ICollection`1" /> containing the values in the + /// <see cref="T:System.Collections.Generic.IDictionary`2" />. /// </summary> - /// <returns> An <see cref="T:System.Collections.Generic.ICollection`1"/> containing the values in the object that implements <see cref="T:System.Collections.Generic.IDictionary`2"/>. </returns> - public ICollection<OfflineEntry> Values => this.ccache.Values; + /// <returns> + /// An <see cref="T:System.Collections.Generic.ICollection`1" /> containing the values in the object that + /// implements <see cref="T:System.Collections.Generic.IDictionary`2" />. + /// </returns> + public ICollection<OfflineEntry> Values => ccache.Values; /// <summary> - /// Gets or sets the element with the specified key. + /// Gets or sets the element with the specified key. /// </summary> /// <param name="key">The key of the element to get or set.</param> - /// <returns> The element with the specified key. </returns> + /// <returns> The element with the specified key. </returns> public OfflineEntry this[string key] { - get - { - return this.ccache[key]; - } + get => ccache[key]; set { - this.ccache.AddOrUpdate(key, value, (k, existing) => value); - this.db.Upsert(value); + ccache.AddOrUpdate(key, value, (k, existing) => value); + db.Upsert(value); } } /// <summary> - /// Returns an enumerator that iterates through the collection. + /// Returns an enumerator that iterates through the collection. /// </summary> /// <returns> An enumerator that can be used to iterate through the collection. </returns> public IEnumerator<KeyValuePair<string, OfflineEntry>> GetEnumerator() { - return this.ccache.GetEnumerator(); + return ccache.GetEnumerator(); } IEnumerator IEnumerable.GetEnumerator() { - return this.GetEnumerator(); + return GetEnumerator(); } /// <summary> - /// Adds an item to the <see cref="T:System.Collections.Generic.ICollection`1"/>. + /// Adds an item to the <see cref="T:System.Collections.Generic.ICollection`1" />. /// </summary> - /// <param name="item">The object to add to the <see cref="T:System.Collections.Generic.ICollection`1"/>.</param> + /// <param name="item">The object to add to the <see cref="T:System.Collections.Generic.ICollection`1" />.</param> public void Add(KeyValuePair<string, OfflineEntry> item) { - this.Add(item.Key, item.Value); + Add(item.Key, item.Value); } /// <summary> - /// Removes all items from the <see cref="T:System.Collections.Generic.ICollection`1"/>. - /// </summary> + /// Removes all items from the <see cref="T:System.Collections.Generic.ICollection`1" />. + /// </summary> public void Clear() { - this.ccache.Clear(); - this.db.Delete<OfflineEntry>(Query.All()); + ccache.Clear(); + db.Delete<OfflineEntry>(LiteDB.Query.All()); } /// <summary> - /// Determines whether the <see cref="T:System.Collections.Generic.ICollection`1"/> contains a specific value. + /// Determines whether the <see cref="T:System.Collections.Generic.ICollection`1" /> contains a specific value. /// </summary> - /// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.ICollection`1"/>.</param> - /// <returns> True if <paramref name="item"/> is found in the <see cref="T:System.Collections.Generic.ICollection`1"/>; otherwise, false. </returns> + /// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.ICollection`1" />.</param> + /// <returns> + /// True if <paramref name="item" /> is found in the <see cref="T:System.Collections.Generic.ICollection`1" />; + /// otherwise, false. + /// </returns> public bool Contains(KeyValuePair<string, OfflineEntry> item) { - return this.ContainsKey(item.Key); + return ContainsKey(item.Key); } /// <summary> - /// Copies the elements of the <see cref="T:System.Collections.Generic.ICollection`1"/> to an <see cref="T:System.Array"/>, starting at a particular <see cref="T:System.Array"/> index. + /// Copies the elements of the <see cref="T:System.Collections.Generic.ICollection`1" /> to an + /// <see cref="T:System.Array" />, starting at a particular <see cref="T:System.Array" /> index. /// </summary> - /// <param name="array">The one-dimensional <see cref="T:System.Array"/> that is the destination of the elements copied from <see cref="T:System.Collections.Generic.ICollection`1"/>. The <see cref="T:System.Array"/> must have zero-based indexing.</param> - /// <param name="arrayIndex">The zero-based index in <paramref name="array"/> at which copying begins.</param> + /// <param name="array"> + /// The one-dimensional <see cref="T:System.Array" /> that is the destination of the elements copied + /// from <see cref="T:System.Collections.Generic.ICollection`1" />. The <see cref="T:System.Array" /> must have + /// zero-based indexing. + /// </param> + /// <param name="arrayIndex">The zero-based index in <paramref name="array" /> at which copying begins.</param> public void CopyTo(KeyValuePair<string, OfflineEntry>[] array, int arrayIndex) { - this.ccache.ToList().CopyTo(array, arrayIndex); + ccache.ToList().CopyTo(array, arrayIndex); } /// <summary> - /// Removes the first occurrence of a specific object from the <see cref="T:System.Collections.Generic.ICollection`1"/>. + /// Removes the first occurrence of a specific object from the + /// <see cref="T:System.Collections.Generic.ICollection`1" />. /// </summary> - /// <param name="item">The object to remove from the <see cref="T:System.Collections.Generic.ICollection`1"/>.</param> - /// <returns> True if <paramref name="item"/> was successfully removed from the <see cref="T:System.Collections.Generic.ICollection`1"/>; otherwise, false. This method also returns false if <paramref name="item"/> is not found in the original <see cref="T:System.Collections.Generic.ICollection`1"/>. </returns> + /// <param name="item">The object to remove from the <see cref="T:System.Collections.Generic.ICollection`1" />.</param> + /// <returns> + /// True if <paramref name="item" /> was successfully removed from the + /// <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, false. This method also returns false if + /// <paramref name="item" /> is not found in the original <see cref="T:System.Collections.Generic.ICollection`1" />. + /// </returns> public bool Remove(KeyValuePair<string, OfflineEntry> item) { - return this.Remove(item.Key); + return Remove(item.Key); } /// <summary> - /// Determines whether the <see cref="T:System.Collections.Generic.IDictionary`2"/> contains an element with the specified key. + /// Determines whether the <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element with the + /// specified key. /// </summary> - /// <param name="key">The key to locate in the <see cref="T:System.Collections.Generic.IDictionary`2"/>.</param> - /// <returns> True if the <see cref="T:System.Collections.Generic.IDictionary`2"/> contains an element with the key; otherwise, false. </returns> + /// <param name="key">The key to locate in the <see cref="T:System.Collections.Generic.IDictionary`2" />.</param> + /// <returns> + /// True if the <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element with the key; + /// otherwise, false. + /// </returns> public bool ContainsKey(string key) { - return this.ccache.ContainsKey(key); + return ccache.ContainsKey(key); } /// <summary> - /// Adds an element with the provided key and value to the <see cref="T:System.Collections.Generic.IDictionary`2"/>. + /// Adds an element with the provided key and value to the <see cref="T:System.Collections.Generic.IDictionary`2" />. /// </summary> /// <param name="key">The object to use as the key of the element to add.</param> /// <param name="value">The object to use as the value of the element to add.</param> public void Add(string key, OfflineEntry value) { - this.ccache.AddOrUpdate(key, value, (k, existing) => value); - this.db.Upsert(value); + ccache.AddOrUpdate(key, value, (k, existing) => value); + db.Upsert(value); } /// <summary> - /// Removes the element with the specified key from the <see cref="T:System.Collections.Generic.IDictionary`2"/>. + /// Removes the element with the specified key from the <see cref="T:System.Collections.Generic.IDictionary`2" />. /// </summary> /// <param name="key">The key of the element to remove.</param> - /// <returns> True if the element is successfully removed; otherwise, false. This method also returns false if <paramref name="key"/> was not found in the original <see cref="T:System.Collections.Generic.IDictionary`2"/>. </returns> + /// <returns> + /// True if the element is successfully removed; otherwise, false. This method also returns false if + /// <paramref name="key" /> was not found in the original <see cref="T:System.Collections.Generic.IDictionary`2" />. + /// </returns> public bool Remove(string key) { - this.ccache.TryRemove(key, out OfflineEntry _); - return this.db.Delete<OfflineEntry>(key); + ccache.TryRemove(key, out _); + return db.Delete<OfflineEntry>(key); } /// <summary> - /// Gets the value associated with the specified key. - /// </summary> - /// <param name="key">The key whose value to get.</param><param name="value">When this method returns, the value associated with the specified key, if the key is found; otherwise, the default value for the type of the <paramref name="value"/> parameter. This parameter is passed uninitialized.</param> - /// <returns> True if the object that implements <see cref="T:System.Collections.Generic.IDictionary`2"/> contains an element with the specified key; otherwise, false. </returns> + /// Gets the value associated with the specified key. + /// </summary> + /// <param name="key">The key whose value to get.</param> + /// <param name="value"> + /// When this method returns, the value associated with the specified key, if the key is found; + /// otherwise, the default value for the type of the <paramref name="value" /> parameter. This parameter is passed + /// uninitialized. + /// </param> + /// <returns> + /// True if the object that implements <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an + /// element with the specified key; otherwise, false. + /// </returns> public bool TryGetValue(string key, out OfflineEntry value) { - return this.ccache.TryGetValue(key, out value); + return ccache.TryGetValue(key, out value); } private string GetFileName(string fileName) { - var invalidChars = new[] { '`', '[', ',', '=' }; - foreach(char c in invalidChars.Concat(System.IO.Path.GetInvalidFileNameChars()).Distinct()) - { + var invalidChars = new[] {'`', '[', ',', '='}; + foreach (var c in invalidChars.Concat(Path.GetInvalidFileNameChars()).Distinct()) fileName = fileName.Replace(c, '_'); - } return fileName; } } -} +}
\ No newline at end of file |