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如何获取约束 #37

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anjia0532 opened this issue Jun 5, 2020 · 4 comments
Closed

如何获取约束 #37

anjia0532 opened this issue Jun 5, 2020 · 4 comments

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@anjia0532
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根据 DasTable 源码找到 getColumnAttrs 方法

public interface DasTable extends DasSchemaChild {

  boolean isSystem();

  boolean isTemporary();

  @NotNull
  Set<DasColumn.Attribute> getColumnAttrs(@Nullable DasColumn columnInfo);
}

但是实际在用的时候，报错
$!tool.debug($tableInfo.obj.getColumnAttrs($tableInfo.fullColumn.get(1).obj))

在生成代码时，模板发生了如下语法错误：
org.apache.velocity.exception.MethodInvocationException: Invocation of method 'debug' in  class com.sjhy.plugin.tool.GlobalTool threw exception java.lang.RuntimeException: java.lang.IllegalAccessException: class com.sjhy.plugin.tool.GlobalTool cannot access a member of class java.util.RegularEnumSet (in module java.base) with modifiers "public" at Velocity Code Generate[line 2, column 8]
	at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:243)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:187)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.RuntimeInstance.render(RuntimeInstance.java:1378)
	at org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1314)
	at org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1265)
	at org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:199)
	at com.sjhy.plugin.tool.VelocityUtils.generate(VelocityUtils.java:63)
	at com.sjhy.plugin.service.impl.CodeGenerateServiceImpl.generate(CodeGenerateServiceImpl.java:206)
	at com.sjhy.plugin.ui.TemplateSettingPanel$4.actionPerformed(TemplateSettingPanel.java:343)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:280)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAwareWithCallbacks(ActionUtil.java:274)
	at com.intellij.openapi.actionSystem.impl.ActionButton.actionPerformed(ActionButton.java:184)
	at com.intellij.openapi.actionSystem.impl.ActionButton.performAction(ActionButton.java:157)
	at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:442)
	at java.desktop/java.awt.Component.processEvent(Component.java:6416)
	at java.desktop/java.awt.Container.processEvent(Container.java:2263)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5026)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4858)
	at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918)
	at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4547)
	at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2773)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4858)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:778)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:751)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:749)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:748)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:974)
	at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:912)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:844)
	at com.intellij.ide.IdeEventQueue.lambda$null$8(IdeEventQueue.java:449)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:741)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:448)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:831)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:502)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:117)
	at java.desktop/java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
	at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
	at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.desktop/java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
	at java.desktop/java.awt.Dialog.show(Dialog.java:1063)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:708)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:437)
	at com.intellij.openapi.ui.DialogWrapper.doShow(DialogWrapper.java:1685)
	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1644)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:80)
	at com.intellij.ide.actions.ShowSettingsAction.perform(ShowSettingsAction.java:54)
	at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:41)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:280)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$1.performAction(IdeKeyEventDispatcher.java:609)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.lambda$processAction$3(IdeKeyEventDispatcher.java:670)
	at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:94)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:669)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:619)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processActionOrWaitSecondStroke(IdeKeyEventDispatcher.java:516)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:470)
	at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:219)
	at com.intellij.ide.IdeEventQueue.dispatchKeyEvent(IdeEventQueue.java:896)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:841)
	at com.intellij.ide.IdeEventQueue.lambda$null$8(IdeEventQueue.java:449)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:741)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:448)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:831)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:502)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Caused by: java.lang.RuntimeException: java.lang.IllegalAccessException: class com.sjhy.plugin.tool.GlobalTool cannot access a member of class java.util.RegularEnumSet (in module java.base) with modifiers "public"
	at com.intellij.util.ExceptionUtil.rethrow(ExceptionUtil.java:116)
	at com.sjhy.plugin.tool.GlobalTool.debug(GlobalTool.java:167)
	at jdk.internal.reflect.GeneratedMethodAccessor897.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	... 83 more
Caused by: java.lang.IllegalAccessException: class com.sjhy.plugin.tool.GlobalTool cannot access a member of class java.util.RegularEnumSet (in module java.base) with modifiers "public"
	at java.base/jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:361)
	at java.base/java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:591)
	at java.base/java.lang.reflect.Method.invoke(Method.java:558)
	at com.sjhy.plugin.tool.GlobalTool.debug(GlobalTool.java:162)
	... 89 more
@anjia0532
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经测试，发现只是debug报错，实际是可以用的，
$tableInfo.obj.getColumnAttrs($column.obj) -> [INDEX]

  enum Attribute {
    PRIMARY_KEY,
    CANDIDATE_KEY,
    FOREIGN_KEY,
    INDEX,
    AUTO_GENERATED,
    COMPUTED,
    VERSION
  }

@makejavas
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Owner

因为$tool.debug是通过反射实现的，反射某些特殊对象时可能会发生异常。

@makejavas
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也许你需要这个工具

@anjia0532
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嗯嗯，多谢大佬的回复。已经基于easycode编写了适合团队内部使用的代码生成器，很方便。非常感谢。

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@anjia0532 @makejavas