RunParallelPipesOnDemandDynamicObject(AutoFormsParallelRunItemGetterDynamicObject,object,AutoFormsParallelRunResultDynamicObjectCallback,int) Method

Summary

Runs the AutoFormsEngine on demand for dynamic input (file path / LEADDocument / RasterImage).

Syntax

C++/CLI

Python

public void RunParallelPipesOnDemandDynamicObject( 
   AutoFormsParallelRunItemGetterDynamicObject formsGetter, 
   object getterUserData, 
   AutoFormsParallelRunResultDynamicObjectCallback callback, 
   int pipesCount 
)

public:  
   void RunParallelPipesOnDemandDynamicObject( 
      AutoFormsParallelRunItemGetterDynamicObject^ formsGetter, 
      Object^ getterUserData, 
      AutoFormsParallelRunResultDynamicObjectCallback^ callback, 
      Int32 pipesCount 
   )

def RunParallelPipesOnDemandDynamicObject(self,formsGetter,getterUserData,callback,pipesCount):

Parameters

formsGetter

Callback to get the input.

getterUserData

Optional object to be passed to the getter.

callback

Callback for each input image after processing.

pipesCount

Number of parallel threads used to consume the input data.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms.Common; 
using Leadtools.Forms.Auto; 
using Leadtools.Document; 
using Leadtools.Ocr; 
using Leadtools.Forms.Recognition; 
using Leadtools.Forms.Processing; 
using Leadtools.Barcode; 
 
using Leadtools.Forms; 
 
 
public void ResultCallbackDynamic4(object item, AutoFormsRunResult result, int itemIndex, object label) 
{ 
   if (result == null) 
   { 
      Console.WriteLine($"ERROR!!!: Failed to process {label}: [{itemIndex}]"); 
   } 
   else 
   { 
      Console.WriteLine($"Successfully processed {label}: [{itemIndex}]"); 
      foreach (FormPage page in result.FormFields) 
      { 
         foreach (FormField field in page) 
         { 
            Console.WriteLine($"Process for the field {field.Name} is {field.Result.Status} "); 
         } 
      } 
   } 
} 
 
 
public void ProcessFormsMultiProcessOnDemandDynamicObject(AutoFormsEngine autoEngine, List<string> fileNames, List<string> repositoryNames) 
{ 
   int nextItemIndex = -1; 
   var rng = new Random(); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   AutoFormsParallelRunItemGetterDynamicObject getter = (ref object inputItem, ref object itemUserData, ref string repositoryName, object getterUserData) => 
   { 
      int index = Interlocked.Increment(ref nextItemIndex); 
 
      if (index >= fileNames.Count) 
         return; 
 
      double rand = rng.NextDouble(); 
 
      if (rand <= 0.33) 
      { 
         // Use file path 
         inputItem = fileNames[index]; 
      } 
      else if (rand <= 0.66) 
      { 
         // use LEADDocument 
         inputItem = DocumentFactory.LoadFromFile(fileNames[index], new LoadDocumentOptions()); 
      } 
      else 
      { 
         // use RasterImage 
 
         lock (codecs) 
         { 
            inputItem = codecs.Load(fileNames[index]); 
         } 
      } 
 
      repositoryName = repositoryNames == null ? null : repositoryNames[index]; 
   }; 
 
   autoEngine.RunParallelPipesOnDemandDynamicObject( 
       getter, 
       null, 
       ResultCallbackDynamic4, 
       8 
   ); 
 
   codecs.Dispose(); 
}

Requirements

Target Platforms