DocumentId Property

Summary

Unique identifier of the document.

Syntax

C++/CLI

Python

public string DocumentId { get; set; }

public:  
   property String^ DocumentId 
   { 
      String^ get() 
      void set(String^ value) 
   }

DocumentId # get and set (DocumentCacheInfo)

Property Value

This value is the same as LEADDocument.DocumentId.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Document.Writer; 
 
using Leadtools.Document; 
using Leadtools.Caching; 
using Leadtools.Annotations.Engine; 
using Leadtools.Ocr; 
using Leadtools.Barcode; 
using Leadtools.Document.Converter; 
 
public void GetDocumentCacheInfoExample() 
{ 
   string documentFile = Path.Combine(LEAD_VARS.ImagesDir, "Leadtools.pdf"); 
 
   // Setup a cache 
   FileCache cache = new FileCache(); 
   cache.CacheDirectory = @"c:\cache-dir"; 
 
   // We will use this document ID 
   const string documentId = "test-document"; 
 
   // Ensure that the document does not exist in the cache 
   var deleteFromCacheOptions = new LoadFromCacheOptions(); 
   deleteFromCacheOptions.Cache = cache; 
   deleteFromCacheOptions.DocumentId = documentId; 
   DocumentFactory.DeleteFromCache(deleteFromCacheOptions); 
 
   DocumentCacheInfo cacheInfo; 
 
   // Now get the info for this document, it should not exist 
   cacheInfo = DocumentFactory.GetDocumentCacheInfo(cache, documentId); 
   Debug.Assert(cacheInfo == null); 
 
   // Next, upload a document into this cache 
   var uploadDocumentOptions = new UploadDocumentOptions(); 
   uploadDocumentOptions.Cache = cache; 
   uploadDocumentOptions.DocumentId = documentId; 
   uploadDocumentOptions.Name = "Leadtools.pdf"; 
   Uri uploadUri = DocumentFactory.BeginUpload(uploadDocumentOptions); 
   using (var stream = File.OpenRead(documentFile)) 
   { 
      var buffer = new byte[stream.Length]; 
      stream.Read(buffer, 0, buffer.Length); 
      DocumentFactory.UploadDocument(cache, uploadUri, buffer, 0, buffer.Length); 
   } 
   DocumentFactory.EndUpload(cache, uploadUri); 
 
   // Now check the info again, it should be there but not loaded 
   cacheInfo = DocumentFactory.GetDocumentCacheInfo(cache, documentId); 
   // DocumentCacheInfo reference 
   Console.WriteLine("After upload"); 
   Console.WriteLine("   DocumentId:" + cacheInfo.DocumentId); 
   Console.WriteLine("   Name:" + cacheInfo.Name); 
   Console.WriteLine("   IsLoaded:" + cacheInfo.IsLoaded); 
   Console.WriteLine("   Annotations data length:" + cacheInfo.AnnotationsDataLength); 
   Console.WriteLine("   Document data length:" + cacheInfo.DocumentDataLength); 
   Console.WriteLine("   Has annotations:" + cacheInfo.HasAnnotations); 
   Console.WriteLine("   Has user token:" + cacheInfo.HasUserToken); 
   Console.WriteLine("   Is virtual:" + cacheInfo.IsVirtual); 
   Console.WriteLine("   Mime Type:" + cacheInfo.MimeType); 
   Console.WriteLine("   Mime Type status:" + cacheInfo.MimeTypeStatus); 
   Console.WriteLine("   Page count:" + cacheInfo.PageCount); 
   Debug.Assert(cacheInfo.DocumentId == documentId); 
   Debug.Assert(cacheInfo.Name == "Leadtools.pdf"); 
   Debug.Assert(!cacheInfo.IsLoaded); 
   Debug.Assert(cacheInfo.AnnotationsDataLength == 0); 
   Debug.Assert(cacheInfo.DocumentDataLength == 90301); 
   Debug.Assert(!cacheInfo.HasAnnotations); 
   Debug.Assert(!cacheInfo.HasUserToken); 
   Debug.Assert(!cacheInfo.IsVirtual); 
   Debug.Assert(cacheInfo.MimeType == null); 
   Debug.Assert(cacheInfo.MimeTypeStatus == DocumentMimeTypeStatus.Unspecified); 
   Debug.Assert(cacheInfo.PageCount == 0); 
 
   // Next load this document 
   var loadDocumentOptions = new LoadDocumentOptions(); 
   loadDocumentOptions.Cache = cache; 
   using (var document = DocumentFactory.LoadFromUri(uploadUri, loadDocumentOptions)) 
   { 
      // Save it to the cache 
      document.AutoSaveToCache = false; 
      document.AutoDeleteFromCache = false; 
      document.SaveToCache(); 
   } 
 
   // Now get its info again, it should be there and loaded 
   cacheInfo = DocumentFactory.GetDocumentCacheInfo(cache, documentId); 
   Console.WriteLine("After load"); 
   Console.WriteLine("   DocumentId:" + cacheInfo.DocumentId); 
   Console.WriteLine("   Name:" + cacheInfo.Name); 
   Console.WriteLine("   IsLoaded:" + cacheInfo.IsLoaded); 
   Console.WriteLine("   Annotations data length:" + cacheInfo.AnnotationsDataLength); 
   Console.WriteLine("   Document data length:" + cacheInfo.DocumentDataLength); 
   Console.WriteLine("   Has annotations:" + cacheInfo.HasAnnotations); 
   Console.WriteLine("   Has user token:" + cacheInfo.HasUserToken); 
   Console.WriteLine("   Is virtual:" + cacheInfo.IsVirtual); 
   Console.WriteLine("   Mime Type:" + cacheInfo.MimeType); 
   Console.WriteLine("   Mime Type status:" + cacheInfo.MimeTypeStatus); 
   Console.WriteLine("   Page count:" + cacheInfo.PageCount); 
   Debug.Assert(cacheInfo.DocumentId == documentId); 
   Debug.Assert(cacheInfo.Name == "Leadtools.pdf"); 
   Debug.Assert(cacheInfo.IsLoaded); 
   Debug.Assert(cacheInfo.AnnotationsDataLength == 0); 
   Debug.Assert(cacheInfo.DocumentDataLength == 90301); 
   Debug.Assert(!cacheInfo.HasAnnotations); 
   Debug.Assert(!cacheInfo.HasUserToken); 
   Debug.Assert(!cacheInfo.IsVirtual); 
   Debug.Assert(cacheInfo.MimeType == "application/pdf"); 
   Debug.Assert(cacheInfo.MimeTypeStatus == DocumentMimeTypeStatus.Unspecified); 
   Debug.Assert(cacheInfo.PageCount == 5); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.net.MalformedURLException; 
import java.net.URI; 
import java.net.URISyntaxException; 
import java.net.URL; 
import java.nio.file.Files; 
import java.nio.file.Paths; 
import java.util.ArrayList; 
import java.util.Calendar; 
import java.util.List; 
import java.util.concurrent.Callable; 
import java.util.concurrent.ExecutorService; 
import java.util.concurrent.Executors; 
import java.util.concurrent.Future; 
import java.util.regex.Pattern; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.annotations.engine.*; 
import leadtools.barcode.*; 
import leadtools.caching.*; 
import leadtools.codecs.*; 
import leadtools.document.*; 
import leadtools.document.DocumentMimeTypes.UserGetDocumentStatusHandler; 
import leadtools.document.converter.*; 
import leadtools.document.writer.*; 
import leadtools.ocr.*; 
 
 
public void getDocumentCacheInfoExample() throws IOException { 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   String documentFile = combine(LEAD_VARS_IMAGES_DIR, "Leadtools.pdf"); 
 
   // Setup a cache 
   FileCache cache = new FileCache(); 
   cache.setCacheDirectory("c:\\cache-dir"); 
 
   // We will use this document ID 
   final String documentId = "test-document"; 
 
   // Ensure that the document does not exist in the cache 
   LoadFromCacheOptions deleteFromCacheOptions = new LoadFromCacheOptions(); 
   deleteFromCacheOptions.setCache(cache); 
   deleteFromCacheOptions.setDocumentId(documentId); 
   DocumentFactory.deleteFromCache(deleteFromCacheOptions); 
 
   DocumentCacheInfo cacheInfo; 
 
   // Now get the info for this document, it should not exist 
   cacheInfo = DocumentFactory.getDocumentCacheInfo(cache, documentId); 
   assertTrue(cacheInfo == null); 
 
   // Next, upload a document into this cache 
   UploadDocumentOptions uploadDocumentOptions = new UploadDocumentOptions(); 
   uploadDocumentOptions.setCache(cache); 
   uploadDocumentOptions.setDocumentId(documentId); 
   uploadDocumentOptions.setName("Leadtools.pdf"); 
   URI uploadUri = DocumentFactory.beginUpload(uploadDocumentOptions); 
   byte[] buffer = Files.readAllBytes(new File(documentFile).toPath()); 
   DocumentFactory.uploadDocument(cache, uploadUri, buffer, 0, buffer.length); 
   DocumentFactory.endUpload(cache, uploadUri); 
 
   // Now check the info again, it should be there but not loaded 
   cacheInfo = DocumentFactory.getDocumentCacheInfo(cache, documentId); 
   // DocumentCacheInfo reference 
   System.out.println("After upload"); 
   System.out.println("   DocumentId:" + cacheInfo.getDocumentId()); 
   System.out.println("   Name:" + cacheInfo.getName()); 
   System.out.println("   IsLoaded:" + cacheInfo.isLoaded()); 
   System.out.println("   Annotations data length:" + cacheInfo.getAnnotationsDataLength()); 
   System.out.println("   Document data length:" + cacheInfo.getDocumentDataLength()); 
   System.out.println("   Has annotations:" + cacheInfo.hasAnnotations()); 
   System.out.println("   Has user token:" + cacheInfo.hasUserToken()); 
   System.out.println("   Is virtual:" + cacheInfo.isVirtual()); 
   System.out.println("   Mime Type:" + cacheInfo.getMimeType()); 
   System.out.println("   Mime Type status:" + cacheInfo.getMimeTypeStatus()); 
   System.out.println("   Page count:" + cacheInfo.getPageCount()); 
   assertTrue(cacheInfo.getDocumentId().equals(documentId)); 
   System.out.println(cacheInfo.getName()); 
   assertTrue(cacheInfo.getName().equals("Leadtools.pdf")); 
   assertTrue(!cacheInfo.isLoaded()); 
   assertTrue(cacheInfo.getAnnotationsDataLength() == 0); 
   System.out.println(cacheInfo.getDocumentDataLength()); 
   assertTrue(cacheInfo.getDocumentDataLength() == 90301); 
   assertTrue(!cacheInfo.hasAnnotations()); 
   assertTrue(!cacheInfo.hasUserToken()); 
   assertTrue(!cacheInfo.isVirtual()); 
   assertTrue(cacheInfo.getMimeType() == null); 
   assertTrue(cacheInfo.getMimeTypeStatus() == DocumentMimeTypeStatus.UNSPECIFIED); 
   assertTrue(cacheInfo.getPageCount() == 0); 
 
   // Next load this document 
   LoadDocumentOptions loadDocumentOptions = new LoadDocumentOptions(); 
   loadDocumentOptions.setCache(cache); 
   LEADDocument document = DocumentFactory.loadFromUri(uploadUri, loadDocumentOptions); 
   // Save it to the cache 
   document.setAutoSaveToCache(false); 
   document.setAutoDeleteFromCache(false); 
   document.saveToCache(); 
 
   // Now get its info again, it should be there and loaded 
   cacheInfo = DocumentFactory.getDocumentCacheInfo(cache, documentId); 
   System.out.println("After load"); 
   System.out.println("   DocumentId:" + cacheInfo.getDocumentId()); 
   System.out.println("   Name:" + cacheInfo.getName()); 
   System.out.println("   IsLoaded:" + cacheInfo.isLoaded()); 
   System.out.println("   Annotations data length:" + cacheInfo.getAnnotationsDataLength()); 
   System.out.println("   Document data length:" + cacheInfo.getDocumentDataLength()); 
   System.out.println("   Has annotations:" + cacheInfo.hasAnnotations()); 
   System.out.println("   Has user token:" + cacheInfo.hasUserToken()); 
   System.out.println("   Is virtual:" + cacheInfo.isVirtual()); 
   System.out.println("   Mime Type:" + cacheInfo.getMimeType()); 
   System.out.println("   Mime Type status:" + cacheInfo.getMimeTypeStatus()); 
   System.out.println("   Page count:" + cacheInfo.getPageCount()); 
   assertTrue(cacheInfo.getDocumentId().equals(documentId)); 
   assertTrue(cacheInfo.getName().equals("Leadtools.pdf")); 
   assertTrue(cacheInfo.isLoaded()); 
   assertTrue(cacheInfo.getAnnotationsDataLength() == 0); 
   assertTrue(cacheInfo.getDocumentDataLength() == 90301); 
   assertTrue(!cacheInfo.hasAnnotations()); 
   assertTrue(!cacheInfo.hasUserToken()); 
   assertTrue(!cacheInfo.isVirtual()); 
   assertTrue(cacheInfo.getMimeType().equals("application/pdf")); 
   assertTrue(cacheInfo.getMimeTypeStatus() == DocumentMimeTypeStatus.UNSPECIFIED); 
   assertTrue(cacheInfo.getPageCount() == 5); 
}

Requirements

Target Platforms

Reference

DocumentCacheInfo Class

DocumentCacheInfo Members

Leadtools.Document Namespace

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Help Version 23.0.2024.2.29

Leadtools.Document Assembly

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