mirror of
https://github.com/ClemensFischer/XAML-Map-Control.git
synced 2026-04-06 06:55:04 +00:00
Version 4.3.0. Changed FileDbCache folder structure. New UWP project files.
This commit is contained in:
ClemensF
parent
a7bb9e1ef4
commit
2f123886ff
31 changed files with 184 additions and 256 deletions
86
FileDbCache/UWP/FileDbCache.UWP.csproj
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86
FileDbCache/UWP/FileDbCache.UWP.csproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{BEEB142A-5FA3-468D-810A-32A4A5BD6D5D}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>MapControl.Caching</RootNamespace>
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<AssemblyName>FileDbCache.UWP</AssemblyName>
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<DefaultLanguage>en-US</DefaultLanguage>
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<TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
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<TargetPlatformVersion Condition=" '$(TargetPlatformVersion)' == '' ">10.0.10240.0</TargetPlatformVersion>
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<TargetPlatformMinVersion>10.0.10240.0</TargetPlatformMinVersion>
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<MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
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<FileAlignment>512</FileAlignment>
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<ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>none</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup>
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<RestoreProjectStyle>PackageReference</RestoreProjectStyle>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="FileDbCache.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<EmbeddedResource Include="Properties\FileDbCache.UWP.rd.xml" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
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<Version>6.0.1</Version>
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</PackageReference>
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</ItemGroup>
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<ItemGroup>
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<None Include="..\..\MapControl.snk">
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<Link>MapControl.snk</Link>
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</None>
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\MapControl\UWP\MapControl.UWP.csproj">
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<Project>{9545f73c-9c35-4cf6-baae-19a0baebd344}</Project>
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<Name>MapControl.UWP</Name>
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</ProjectReference>
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</ItemGroup>
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<ItemGroup>
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<Reference Include="FileDbPcl, Version=6.1.0.0, Culture=neutral, PublicKeyToken=ba3f58a0e60cd01d, processorArchitecture=MSIL">
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<SpecificVersion>False</SpecificVersion>
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<HintPath>..\FileDb\FileDbPcl.dll</HintPath>
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</Reference>
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</ItemGroup>
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<PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' < '14.0' ">
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<VisualStudioVersion>14.0</VisualStudioVersion>
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</PropertyGroup>
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<PropertyGroup>
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<SignAssembly>true</SignAssembly>
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</PropertyGroup>
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<PropertyGroup>
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<AssemblyOriginatorKeyFile>..\..\MapControl.snk</AssemblyOriginatorKeyFile>
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</PropertyGroup>
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<Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>
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260
FileDbCache/UWP/FileDbCache.cs
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260
FileDbCache/UWP/FileDbCache.cs
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// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
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// © 2017 Clemens Fischer
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// Licensed under the Microsoft Public License (Ms-PL)
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Runtime.InteropServices.WindowsRuntime;
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using System.Threading.Tasks;
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using Windows.Storage;
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using Windows.Storage.Streams;
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using Windows.UI.Xaml;
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using FileDbNs;
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namespace MapControl.Caching
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{
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/// <summary>
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/// IImageCache implementation based on FileDb, a free and simple No-SQL database by EzTools Software.
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/// See http://www.eztools-software.com/tools/filedb/.
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/// </summary>
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public sealed class FileDbCache : IImageCache, IDisposable
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{
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private const string keyField = "Key";
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private const string valueField = "Value";
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private const string expiresField = "Expires";
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private readonly FileDb fileDb = new FileDb();
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private readonly StorageFolder folder;
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private readonly string fileName;
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public FileDbCache(StorageFolder folder, string fileName = "TileCache.fdb", bool autoFlush = true, int autoCleanThreshold = -1)
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{
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if (folder == null)
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{
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throw new ArgumentNullException("The parameter folder must not be null.");
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}
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if (string.IsNullOrEmpty(fileName))
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{
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throw new ArgumentNullException("The parameter fileName must not be null.");
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}
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this.folder = folder;
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this.fileName = fileName;
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fileDb.AutoFlush = autoFlush;
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fileDb.AutoCleanThreshold = autoCleanThreshold;
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Application.Current.Resuming += async (s, e) => await Open();
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Application.Current.Suspending += (s, e) => Close();
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var task = Open();
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}
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public void Dispose()
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{
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Close();
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}
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public void Clean()
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{
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if (fileDb.IsOpen)
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{
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int deleted = fileDb.DeleteRecords(new FilterExpression(expiresField, DateTime.UtcNow, ComparisonOperatorEnum.LessThan));
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if (deleted > 0)
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{
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Debug.WriteLine("FileDbCache: Deleted {0} expired items", deleted);
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fileDb.Clean();
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}
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}
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}
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public Task<ImageCacheItem> GetAsync(string key)
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{
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if (key == null)
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{
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throw new ArgumentNullException("The parameter key must not be null.");
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}
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if (!fileDb.IsOpen)
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{
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return null;
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}
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return Task.Run(() => Get(key));
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}
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public Task SetAsync(string key, IBuffer buffer, DateTime expiration)
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{
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if (key == null)
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{
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throw new ArgumentNullException("The parameter key must not be null.");
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}
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if (buffer == null)
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{
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throw new ArgumentNullException("The parameter buffer must not be null.");
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}
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return Task.Run(async () =>
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{
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if (fileDb.IsOpen)
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{
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var bytes = buffer.ToArray();
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var ok = AddOrUpdateRecord(key, bytes, expiration);
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if (!ok && (await RepairDatabase()))
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{
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AddOrUpdateRecord(key, bytes, expiration);
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}
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}
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});
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}
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private async Task Open()
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{
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if (!fileDb.IsOpen)
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{
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try
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{
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var file = await folder.GetFileAsync(fileName);
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var stream = await file.OpenAsync(FileAccessMode.ReadWrite);
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fileDb.Open(stream.AsStream());
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Debug.WriteLine("FileDbCache: Opened database with {0} cached items in {1}", fileDb.NumRecords, file.Path);
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Clean();
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}
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catch
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{
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await CreateDatabase();
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}
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}
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}
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private void Close()
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{
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if (fileDb.IsOpen)
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{
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fileDb.Close();
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}
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}
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private async Task CreateDatabase()
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{
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Close();
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var file = await folder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
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var stream = await file.OpenAsync(FileAccessMode.ReadWrite);
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fileDb.Create(stream.AsStream(), new Field[]
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{
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new Field(keyField, DataTypeEnum.String) { IsPrimaryKey = true },
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new Field(valueField, DataTypeEnum.Byte) { IsArray = true },
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new Field(expiresField, DataTypeEnum.DateTime)
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});
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Debug.WriteLine("FileDbCache: Created database " + file.Path);
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}
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private async Task<bool> RepairDatabase()
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{
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try
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{
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fileDb.Reindex();
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return true;
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}
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catch (Exception ex)
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{
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Debug.WriteLine("FileDbCache: FileDb.Reindex(): " + ex.Message);
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}
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try
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{
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await CreateDatabase();
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return true;
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}
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catch (Exception ex)
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{
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Debug.WriteLine("FileDbCache: Creating database {0}: {1}", Path.Combine(folder.Path, fileName), ex.Message);
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}
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return false;
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}
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private ImageCacheItem Get(string key)
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{
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var fields = new string[] { valueField, expiresField };
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try
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{
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var record = fileDb.GetRecordByKey(key, fields, false);
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if (record != null)
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{
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return new ImageCacheItem
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{
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Buffer = ((byte[])record[0]).AsBuffer(),
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Expiration = (DateTime)record[1]
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};
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}
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}
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catch (Exception ex)
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{
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Debug.WriteLine("FileDbCache: FileDb.GetRecordByKey(\"{0}\"): {1}", key, ex.Message);
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}
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return null;
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}
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private bool AddOrUpdateRecord(string key, byte[] value, DateTime expiration)
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{
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var fieldValues = new FieldValues(3);
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fieldValues.Add(valueField, value);
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fieldValues.Add(expiresField, expiration);
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bool recordExists;
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try
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{
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recordExists = fileDb.GetRecordByKey(key, new string[0], false) != null;
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}
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catch (Exception ex)
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{
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Debug.WriteLine("FileDbCache: FileDb.GetRecordByKey(\"{0}\"): {1}", key, ex.Message);
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return false;
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}
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if (recordExists)
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{
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try
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{
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fileDb.UpdateRecordByKey(key, fieldValues);
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}
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catch (Exception ex)
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{
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Debug.WriteLine("FileDbCache: FileDb.UpdateRecordByKey(\"{0}\"): {1}", key, ex.Message);
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return false;
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}
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}
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else
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{
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try
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{
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fieldValues.Add(keyField, key);
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fileDb.AddRecord(fieldValues);
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}
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catch (Exception ex)
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{
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Debug.WriteLine("FileDbCache: FileDb.AddRecord(\"{0}\"): {1}", key, ex.Message);
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return false;
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}
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}
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//Debug.WriteLine("FileDbCache: Writing \"{0}\", Expires {1}", key, expiration.ToLocalTime());
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return true;
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}
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}
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}
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14
FileDbCache/UWP/Properties/AssemblyInfo.cs
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14
FileDbCache/UWP/Properties/AssemblyInfo.cs
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using System.Reflection;
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using System.Runtime.InteropServices;
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[assembly: AssemblyTitle("XAML Map Control FileDbCache (UWP)")]
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[assembly: AssemblyDescription("IImageCache implementation based on EzTools FileDb")]
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[assembly: AssemblyProduct("XAML Map Control")]
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[assembly: AssemblyCompany("Clemens Fischer")]
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[assembly: AssemblyCopyright("© 2017 Clemens Fischer")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyVersion("4.3.0")]
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[assembly: AssemblyFileVersion("4.3.0")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCulture("")]
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[assembly: ComVisible(false)]
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5
FileDbCache/UWP/Properties/FileDbCache.UWP.rd.xml
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5
FileDbCache/UWP/Properties/FileDbCache.UWP.rd.xml
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<?xml version="1.0" encoding="utf-8"?>
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<Directives xmlns="http://schemas.microsoft.com/netfx/2013/01/metadata">
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<Library Name="FileDbCache.UWP">
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</Library>
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</Directives>
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