{"id":59,"date":"2016-04-08T08:28:10","date_gmt":"2016-04-08T06:28:10","guid":{"rendered":"http:\/\/antek.atthost24.pl\/?p=59"},"modified":"2016-04-06T00:30:44","modified_gmt":"2016-04-05T22:30:44","slug":"ciekawy-problem-z-ormlite","status":"publish","type":"post","link":"https:\/\/blog.lantkowiak.pl\/index.php\/2016\/04\/08\/ciekawy-problem-z-ormlite\/","title":{"rendered":"Ciekawy problem z ORMLite"},"content":{"rendered":"<p>Podczas implementacji ekranu edycji dokumentu natkn\u0105\u0142em si\u0119 na ciekawy b\u0142\u0105d zwi\u0105zany z ORM.<\/p>\n<p>Podczas pr\u00f3by aktualizacji encji<\/p>\n<pre>DocumentFile<\/pre>\n<p>otrzyma\u0142em poni\u017cszy b\u0142\u0105d:<\/p>\n<pre>pl.lantkowiak.sdm E\/AndroidRuntime: FATAL EXCEPTION: main\r\njava.lang.RuntimeException: java.sql.SQLException: Cannot update class pl.lantkowiak.sdm.core.entity.DocumentFile because it doesn't have an id field\r\n at com.j256.ormlite.dao.RuntimeExceptionDao.update(RuntimeExceptionDao.java:264)\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity$$anonfun$updateFiles$2.apply(EditDocumentActivity.scala:134)\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity$$anonfun$updateFiles$2.apply(EditDocumentActivity.scala:130)\r\n at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)\r\n at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity.updateFiles(EditDocumentActivity.scala:130)\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity.updateDocument(EditDocumentActivity.scala:101)\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity.onOptionsItemSelected(EditDocumentActivity.scala:45)\r\n at android.app.Activity.onMenuItemSelected(Activity.java:2566)\r\n at android.support.v4.app.FragmentActivity.onMenuItemSelected(FragmentActivity.java:404)\r\n at android.support.v7.app.AppCompatActivity.onMenuItemSelected(AppCompatActivity.java:167)\r\n at android.support.v7.view.WindowCallbackWrapper.onMenuItemSelected(WindowCallbackWrapper.java:100)\r\n at android.support.v7.app.AppCompatDelegateImplV7.onMenuItemSelected(AppCompatDelegateImplV7.java:646)\r\n at android.support.v7.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:811)\r\n at android.support.v7.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:152)\r\n at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:958)\r\n at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:948)\r\n at android.support.v7.widget.ActionMenuView.invokeItem(ActionMenuView.java:618)\r\n at android.support.v7.view.menu.ActionMenuItemView.onClick(ActionMenuItemView.java:139)\r\n at android.view.View.performClick(View.java:4209)\r\n at android.view.View$PerformClick.run(View.java:17431)\r\n at android.os.Handler.handleCallback(Handler.java:725)\r\n at android.os.Handler.dispatchMessage(Handler.java:92)\r\n at android.os.Looper.loop(Looper.java:153)\r\n at android.app.ActivityThread.main(ActivityThread.java:5297)\r\n at java.lang.reflect.Method.invokeNative(Native Method)\r\n at java.lang.reflect.Method.invoke(Method.java:511)\r\n at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)\r\n at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)\r\n at dalvik.system.NativeStart.main(Native Method)\r\nCaused by: java.sql.SQLException: Cannot update class pl.lantkowiak.sdm.core.entity.DocumentFile because it doesn't have an id field\r\n at com.j256.ormlite.stmt.mapped.MappedUpdate.build(MappedUpdate.java:33)\r\n at com.j256.ormlite.stmt.StatementExecutor.update(StatementExecutor.java:402)\r\n at com.j256.ormlite.dao.BaseDaoImpl.update(BaseDaoImpl.java:350)\r\n at com.j256.ormlite.dao.RuntimeExceptionDao.update(RuntimeExceptionDao.java:261)\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity$$anonfun$updateFiles$2.apply(EditDocumentActivity.scala:134)\u00a0\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity$$anonfun$updateFiles$2.apply(EditDocumentActivity.scala:130)\u00a0\r\n at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)\u00a0\r\n at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)\u00a0\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity.updateFiles(EditDocumentActivity.scala:130)\u00a0\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity.updateDocument(EditDocumentActivity.scala:101)\u00a0\r\n at pl.lantkowiak.sdm.activities.EditDocumentActivity.onOptionsItemSelected(EditDocumentActivity.scala:45)\u00a0\r\n at android.app.Activity.onMenuItemSelected(Activity.java:2566)\u00a0\r\n at android.support.v4.app.FragmentActivity.onMenuItemSelected(FragmentActivity.java:404)\u00a0\r\n at android.support.v7.app.AppCompatActivity.onMenuItemSelected(AppCompatActivity.java:167)\u00a0\r\n at android.support.v7.view.WindowCallbackWrapper.onMenuItemSelected(WindowCallbackWrapper.java:100)\u00a0\r\n at android.support.v7.app.AppCompatDelegateImplV7.onMenuItemSelected(AppCompatDelegateImplV7.java:646)\u00a0\r\n at android.support.v7.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:811)\u00a0\r\n at android.support.v7.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:152)\u00a0\r\n at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:958)\u00a0\r\n at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:948)\u00a0\r\n at android.support.v7.widget.ActionMenuView.invokeItem(ActionMenuView.java:618)\u00a0\r\n at android.support.v7.view.menu.ActionMenuItemView.onClick(ActionMenuItemView.java:139)\u00a0\r\n at android.view.View.performClick(View.java:4209)\u00a0\r\n at android.view.View$PerformClick.run(View.java:17431)\u00a0\r\n at android.os.Handler.handleCallback(Handler.java:725)\u00a0\r\n at android.os.Handler.dispatchMessage(Handler.java:92)\u00a0\r\n at android.os.Looper.loop(Looper.java:153)\u00a0\r\n at android.app.ActivityThread.main(ActivityThread.java:5297)\u00a0\r\n at java.lang.reflect.Method.invokeNative(Native Method)\u00a0\r\n at java.lang.reflect.Method.invoke(Method.java:511)\u00a0\r\n at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)\u00a0\r\n at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)\u00a0\r\n at dalvik.system.NativeStart.main(Native Method)<\/pre>\n<p>B\u0142\u0105d sugeruje, \u017ce encja ta nie posiada pola id. Sama encja wygl\u0105da\u0142a tak:<\/p>\n<pre>@DatabaseTable(tableName = \"documentFiles\")\r\nclass DocumentFile {\r\n  @DatabaseField(generatedId = true)\r\n  var id: Int = _\r\n  @DatabaseField(canBeNull = false)\r\n  var createDate: Date = _\r\n  @DatabaseField(canBeNull = false)\r\n  var filename: String = _\r\n  @DatabaseField(canBeNull = false)\r\n  var extension: String = _\r\n  @DatabaseField(canBeNull = false)\r\n  var mime: String = _\r\n  @DatabaseField(canBeNull = false)\r\n  var description: String = _\r\n  @DatabaseField(foreign = true, canBeNull = false)\r\n  var document: Document = _\r\n}<\/pre>\n<p>Encja oczywi\u015bcie zawiera\u0142a pole id, a sam zapis encji do bazy danych odby\u0142 si\u0119 bez problemu.<\/p>\n<p>Zanim przejd\u0119 do mojego rozwi\u0105zania to chcia\u0142bym odnie\u015b\u0107 si\u0119 do znaku _, kt\u00f3ry wyst\u0119powa\u0142 przy kazdym polu, np:<\/p>\n<pre>@DatabaseField(generatedId = true)\r\nvar id: Int = _<\/pre>\n<p>Id\u0105c za dokumentacj\u0105 j\u0119zyka:<\/p>\n<pre>A variable definition var x: T = _ can appear only as a member of a template. It introduces a mutable field with type T and a default initial value. The default value depends on the type T as follows: \r\n0 if T is Int or one of its subrange types,\r\n0L if T is Long,\r\n0.0f if T is Float,\r\n0.0d if T is Double,\r\nfalse if T is Boolean,\r\n() if T is Unit,\r\nnull for all other types T .<\/pre>\n<p>Czyli w przypadku pola id powinno do niego zosta\u0107 przypisane domy\u015blnie 0.<\/p>\n<p>Wracaj\u0105c do mojego rozwi\u0105zania problemu. Jedyn\u0105 zmian\u0105, kt\u00f3r\u0105 zrobi\u0142em w moim kodzie to poni\u017csza modyfikacja.<\/p>\n<pre>@DatabaseField(generatedId = true)\r\nvar id: Int = 0<\/pre>\n<p>Jak wida\u0107 bezpo\u015brednie przypisanie 0 do pola id pomog\u0142o z rozwi\u0105zaniem problemu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Podczas implementacji ekranu edycji dokumentu natkn\u0105\u0142em si\u0119 na ciekawy b\u0142\u0105d zwi\u0105zany z ORM. Podczas pr\u00f3by aktualizacji encji DocumentFile otrzyma\u0142em poni\u017cszy b\u0142\u0105d: pl.lantkowiak.sdm E\/AndroidRuntime: FATAL EXCEPTION: main java.lang.RuntimeException: java.sql.SQLException:&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,6],"tags":[5,3,4],"class_list":["post-59","post","type-post","status-publish","format-standard","hentry","category-daj-sie-poznac","category-simple-document-manager","tag-android","tag-dajsiepoznac","tag-sdm"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ciekawy problem z ORMLite - Lukasz Antkowiak&#039;s blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.lantkowiak.pl\/index.php\/2016\/04\/08\/ciekawy-problem-z-ormlite\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ciekawy problem z ORMLite - Lukasz Antkowiak&#039;s blog\" \/>\n<meta property=\"og:description\" content=\"Podczas implementacji ekranu edycji dokumentu natkn\u0105\u0142em si\u0119 na ciekawy b\u0142\u0105d zwi\u0105zany z ORM. 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