76 lines
2.9 KiB
C#
76 lines
2.9 KiB
C#
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using System.Collections.Specialized;
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using System.Configuration;
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using System.IO;
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using System.Reflection;
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using Lucene.Net.Analysis;
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using Lucene.Net.Analysis.Standard;
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using Lucene.Net.Index;
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using Lucene.Net.QueryParsers;
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using Lucene.Net.Store;
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using Microsoft.Practices.Unity;
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using Microsoft.Practices.Unity.InterceptionExtension;
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using Portoa.Lucene;
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using Portoa.Persistence;
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using Portoa.Search;
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using Portoa.Web.Unity;
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using Portoa.Web.Unity.Lifetime;
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using VideoGameQuotes.Api;
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using VideoGameQuotes.Web.Search;
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using Directory = Lucene.Net.Store.Directory;
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using Version = Lucene.Net.Util.Version;
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namespace VideoGameQuotes.Web.Configuration {
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public class EnableSearchWithLucene : UnityContainerExtension {
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protected override void Initialize() {
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var indexWriterLifetimeManager = new ExplicitlyDisposableLifetimeManager<IndexWriter>(
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new ContainerControlledLifetimeManager(),
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indexWriter => indexWriter.Close()
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);
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Container
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.RegisterType<Directory>(new ContainerControlledLifetimeManager(), new InjectionFactory(CreateIndexDirectory))
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.RegisterType<IndexWriter>(indexWriterLifetimeManager, new InjectionFactory(CreateIndexWriter))
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.RegisterInstance(Version.LUCENE_29)
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.RegisterType<Analyzer, StandardAnalyzer>(new InjectionConstructor(typeof(Version)))
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.RegisterType<QueryParser>(new InjectionFactory(CreateQueryParser))
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.RegisterAndIntercept(typeof(ISearcher<>), typeof(LuceneEntitySearcher<>))
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.RegisterAndIntercept(typeof(ISearchService<>), typeof(SearchService<>))
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.RegisterAndIntercept<ILuceneDocumentHandler<Quote>, QuoteDocumentHandler>()
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.RegisterAndIntercept(typeof(ISearchIndexBuilder<>), typeof(LuceneEntityIndexBuilder<>));
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Container
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.Configure<Interception>()
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.AddPolicy("UpdateSearchIndexPolicy")
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.AddCallHandler<UpdateSearchIndexCallHandler>()
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.AddMatchingRule<QuoteUpdatedMatchingRule>();
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}
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#region lucene-related factories
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private static QueryParser CreateQueryParser(IUnityContainer container) {
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return new QueryParser(container.Resolve<Version>(), "text", container.Resolve<Analyzer>());
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}
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private static Directory CreateIndexDirectory(IUnityContainer container) {
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var indexDirectory = ((NameValueCollection)ConfigurationManager.GetSection("vgquotes"))["luceneIndexDirectory"];
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return new SimpleFSDirectory(new DirectoryInfo(indexDirectory));
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}
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private static IndexWriter CreateIndexWriter(IUnityContainer container) {
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return new IndexWriter(
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container.Resolve<Directory>(),
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new StandardAnalyzer(Version.LUCENE_29),
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true,
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IndexWriter.MaxFieldLength.UNLIMITED
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);
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}
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#endregion
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public class QuoteUpdatedMatchingRule : IMatchingRule {
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private static readonly MethodBase saveMethod = typeof(IRepository<Quote, int>).GetMethod("Save", new[] { typeof(Quote) });
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public bool Matches(MethodBase member) {
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return member == saveMethod;
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}
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}
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}
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}
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