public CMAAssetFile setUploadFrom(CMALink uploadFrom) {
    this.uploadFrom = uploadFrom;
    this.upload = null;
    this.url = null;
    this.details = null;
    return this;
  }
public CMAAssetFile setUploadFrom ( CMALink uploadFrom ) { this . uploadFrom = uploadFrom ; this . upload = null ; this . url = null ; this . details = null ; return this ; }
Set a link to a Contentful Upload entry, to be used for processing the binary data from.
<p>
Warning: Setting an upload from will also erase the {@link #url}, {@link #details} and
{@link #upload}, until the asset got processed again.

@param uploadFrom a link to an uploaded resource.
@return the calling instance for chaining.
@see com.contentful.java.cma.ModuleUploads