Created
August 18, 2015 18:48
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Hooking into the Lucene events with Umbraco
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| using System.Web.UI; | |
| using Examine; | |
| using Examine.LuceneEngine; | |
| using Examine.LuceneEngine.Providers; | |
| using Umbraco.Core; | |
| using Umbraco.Web; | |
| namespace AMAZINGWEBSITE.Web.Core.ApplicationEventHandlers | |
| { | |
| public class ConfigureLuceneIndexing : IApplicationEventHandler | |
| { | |
| public void OnApplicationInitialized(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext) | |
| { | |
| } | |
| public void OnApplicationStarting(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext) | |
| { | |
| } | |
| public void OnApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext) | |
| { | |
| var indexer = ExamineManager.Instance.IndexProviderCollection["ExternalIndexer"]; | |
| var luceneIndexer = indexer as LuceneIndexer; | |
| if (luceneIndexer != null) luceneIndexer.DocumentWriting += OnDocumentWriting; | |
| } | |
| private static void OnDocumentWriting(object sender, DocumentWritingEventArgs e) | |
| { | |
| // cancel the indexing of anything that isn't underneath the homepage (which has ID 1056) | |
| if (!e.Fields["path"].StartsWith("-1,1056")) | |
| { | |
| e.Cancel = true; | |
| return; | |
| } | |
| // boost the following doctypes | |
| var docType = e.Fields["nodeTypeAlias"]; | |
| switch (docType) | |
| { | |
| case "MyBoostedDocTypeAlias": | |
| e.Document.SetBoost(30f); | |
| break; | |
| } | |
| } | |
| } | |
| } |
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Another use case here is to attach additional information to your Lucene document, so that node becomes searchable by your attributed data.