Bug 202254 Exception is thrown when category values are null and type of X axis is set to DateTime
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/data/DataPackage.java
* <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute TRIGGER__CONDITION = eINSTANCE.getTrigger_Condition( );
		/**
		 * The meta object literal for the '<em><b>Action</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference TRIGGER__ACTION = eINSTANCE.getTrigger_Action( );
		/**
		 * The meta object literal for the '<em><b>Trigger Flow</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute TRIGGER__TRIGGER_FLOW = eINSTANCE.getTrigger_TriggerFlow( );
		/**
		 * The meta object literal for the '<em>Data</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see java.lang.Object
		 * @see org.eclipse.birt.chart.model.data.impl.DataPackageImpl#getData()
		 * @generated
		 */
		EDataType DATA = eINSTANCE.getData( );
	}
}