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https://issues.apache.org/cayenne/browse/CAY-1166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13224#action_13224
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Andrey Razumovsky commented on CAY-1166:
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It was made editable for autocompletion. All the values is combobox are
ObjEntities, so is it possible to set anything possible as a root?
> Type checking in the modeler
> ----------------------------
>
> Key: CAY-1166
> URL: https://issues.apache.org/cayenne/browse/CAY-1166
> Project: Cayenne
> Issue Type: Bug
> Components: CayenneModeler GUI
> Affects Versions: 3.0M5
> Reporter: Andrus Adamchik
> Assignee: Andrey Razumovsky
> Priority: Minor
>
> Some random modeler issues:
> 1. When typing some bogus string in the root dropdown of the SelectQuery, I
> am getting an exception below.
> I wonder why the query root is editable at all? Was there a reason we did it?
> Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException:
> org.apache.cayenne.query.SelectQuery: "setRoot(..)" takes a DataMap, String,
> ObjEntity, DbEntity, Procedure, or Class. It was passed a null
> at
> org.apache.cayenne.query.AbstractQuery.setRoot(AbstractQuery.java:100)
> at
> org.apache.cayenne.modeler.editor.SelectQueryMainTab$RootSelectionHandler.actionPerformed(SelectQueryMainTab.java:348)
> at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1197)
> at javax.swing.JComboBox.actionPerformed(JComboBox.java:1254)
> at javax.swing.JTextField.fireActionPerformed(JTextField.java:487)
> at javax.swing.JTextField.postActionEvent(JTextField.java:668)
> at
> javax.swing.JTextField$NotifyAction.actionPerformed(JTextField.java:783)
> at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1576)
> at javax.swing.JComponent.processKeyBinding(JComponent.java:2772)
> at javax.swing.JComponent.processKeyBindings(JComponent.java:2807)
> at javax.swing.JComponent.processKeyEvent(JComponent.java:2735)
> at java.awt.Component.processEvent(Component.java:5379)
> at java.awt.Container.processEvent(Container.java:2010)
> at java.awt.Component.dispatchEventImpl(Component.java:4068)
> at java.awt.Container.dispatchEventImpl(Container.java:2068)
> at java.awt.Component.dispatchEvent(Component.java:3903)
> at
> java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1826)
> 2. I can't reproduce this now, but the error happened when I tried typing a
> qulaifier for the SelectQuery without an entity root (or any root)
> Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException:
> org.apache.cayenne.map.DataMap
> at
> org.apache.cayenne.modeler.editor.SelectQueryMainTab.createQualifier(SelectQueryMainTab.java:248)
> at
> org.apache.cayenne.modeler.editor.SelectQueryMainTab.setQueryQualifier(SelectQueryMainTab.java:215)
> at
> org.apache.cayenne.modeler.editor.SelectQueryMainTab$2.updateModel(SelectQueryMainTab.java:101)
> at
> org.apache.cayenne.modeler.util.TextAdapter.updateModel(TextAdapter.java:143)
> at
> org.apache.cayenne.modeler.util.TextAdapter$2.verify(TextAdapter.java:84)
> at javax.swing.InputVerifier.shouldYieldFocus(InputVerifier.java:114)
> at javax.swing.JComponent.runInputVerifier(JComponent.java:1400)
> at javax.swing.JComponent.requestFocus(JComponent.java:1452)
> at java.awt.Component.nextFocusHelper(Component.java:6819)
> at java.awt.Container.nextFocusHelper(Container.java:3113)
> at java.awt.Component.doAutoTransfer(Component.java:6732)
> at java.awt.Component.autoTransferFocus(Component.java:6724)
> at java.awt.Component.autoTransferFocus(Component.java:6702)
> at java.awt.Component.hide(Component.java:1334)
> at java.awt.Component.show(Component.java:1304)
> at java.awt.Component.setVisible(Component.java:1255)
> at javax.swing.JComponent.setVisible(JComponent.java:2544)
> at
> apple.laf.CUIAquaTabbedPaneCopyFromBasic.setVisibleComponent(CUIAquaTabbedPaneCopyFromBasic.java:1310)
> at
> apple.laf.CUIAquaTabbedPaneCopyFromBasic$TabbedPaneLayout.layoutContainer(CUIAquaTabbedPaneCopyFromBasic.java:2111)
> at java.awt.Container.layout(Container.java:1401)
> at java.awt.Container.doLayout(Container.java:1390)
> at java.awt.Container.validateTree(Container.java:1473)
> at java.awt.Container.validateTree(Container.java:1480)
> at java.awt.Container.validateTree(Container.java:1480)
> at java.awt.Container.validate(Container.java:1448)
> at
> javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:379)
> at
> javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:113)
> at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
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