Person Edit dialog with Group editor

pom.xml

@@ -54,6 +54,11 @@
 			<groupId>com.vaadin</groupId>
 			<artifactId>vaadin-push</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.vaadin.teemu</groupId>
+			<artifactId>switch</artifactId>
+			<version>3.0.0</version>
+		</dependency>
 		<dependency>
 			<groupId>org.hibernate</groupId>
 			<artifactId>hibernate-core</artifactId>

src/main/java/META-INF/persistence.xml

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
-	<persistence-unit name="vaadin-clubhelper">
+	<persistence-unit name="vaadin-clubhelper" transaction-type="RESOURCE_LOCAL">
+		<provider>org.hibernate.ejb.HibernatePersistence</provider>
+		<mapping-file>schema/ClubEvent.hbm.xml</mapping-file>
 		<class>de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Adress</class>
 		<class>de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Attendance</class>
 		<class>de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Contact</class>
@@ -12,5 +14,12 @@
 		<class>de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Startpaesse</class>
 		<class>de.kreth.vaadin.clubhelper.vaadinclubhelper.data.StartpassStartrechte</class>
 		<class>de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Version</class>
+		<properties>
+			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+			<property name="javax.persistence.jdbc.url" value="localhost:3306"/>
+			<property name="javax.persistence.jdbc.user" value="root"/>
+			<property name="javax.persistence.jdbc.password" value="07!73"/>
+			<property name="javax.persistence.schema-generation.scripts.action" value="create"/>
+		</properties>
 	</persistence-unit>
 </persistence>

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/GroupDef.java

@@ -5,11 +5,14 @@ import java.util.Date;
 import java.util.List;
 
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinTable;
+import javax.persistence.ManyToMany;
 import javax.persistence.NamedQuery;
-import javax.persistence.OneToMany;
 import javax.persistence.Table;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
@@ -42,8 +45,10 @@ public class GroupDef implements Serializable {
 
 	private String name;
 
-	// bi-directional many-to-one association to Persongroup
-	@OneToMany(mappedBy = "groupDef")
+	@ManyToMany(fetch=FetchType.LAZY)
+	@JoinTable (name = "persongroup",
+	        joinColumns = { @JoinColumn(name = "group_id") }, 
+	        inverseJoinColumns = { @JoinColumn(name = "person_id") })
 	private List<Persongroup> persongroups;
 
 	public GroupDef() {
@@ -116,4 +121,32 @@ public class GroupDef implements Serializable {
 		return "GroupDef [id=" + id + ", name=" + name + "]";
 	}
 
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + id;
+		result = prime * result + ((name == null) ? 0 : name.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		GroupDef other = (GroupDef) obj;
+		if (id != other.id)
+			return false;
+		if (name == null) {
+			if (other.name != null)
+				return false;
+		} else if (!name.equals(other.name))
+			return false;
+		return true;
+	}
+
 }

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Person.java

@@ -56,9 +56,12 @@ public class Person implements Serializable {
 	@OneToMany(mappedBy = "person")
 	private List<Contact> contacts;
 
-	// bi-directional many-to-one association to Persongroup
-	@OneToMany(mappedBy = "person")
-	private List<Persongroup> persongroups;
+	// bi-directional many-to-many association to Persongroup
+	@ManyToMany(fetch=FetchType.EAGER)
+	@JoinTable (name = "persongroup", 
+	        joinColumns = { @JoinColumn(name = "person_id") }, 
+	        inverseJoinColumns = { @JoinColumn(name = "group_id") })
+	private List<GroupDef> groups;
 
 	// bi-directional many-to-one association to Relative
 	@OneToMany(mappedBy = "person1Bean")
@@ -72,7 +75,7 @@ public class Person implements Serializable {
 	@OneToMany(mappedBy = "person")
 	private List<Startpaesse> startpaesses;
 
-	@ManyToMany(cascade = { CascadeType.ALL }, fetch = FetchType.LAZY)
+	@ManyToMany(cascade = { CascadeType.MERGE,  CascadeType.REFRESH, CascadeType.REMOVE,  CascadeType.DETACH }, fetch = FetchType.LAZY)
 	@JoinTable(
 	        name = "clubevent_has_person", 
 	        joinColumns = { @JoinColumn(name = "person_id") }, 
@@ -221,26 +224,20 @@ public class Person implements Serializable {
 		return contact;
 	}
 
-	public List<Persongroup> getPersongroups() {
-		return this.persongroups;
+	public List<GroupDef> getPersongroups() {
+		return this.groups;
 	}
 
-	public void setPersongroups(List<Persongroup> persongroups) {
-		this.persongroups = persongroups;
+	public void setPersongroups(List<GroupDef> persongroups) {
+		this.groups = persongroups;
 	}
 
-	public Persongroup addPersongroup(Persongroup persongroup) {
+	public void addPersongroup(GroupDef persongroup) {
 		getPersongroups().add(persongroup);
-		persongroup.setPerson(this);
-
-		return persongroup;
 	}
 
-	public Persongroup removePersongroup(Persongroup persongroup) {
+	public void removePersongroup(GroupDef persongroup) {
 		getPersongroups().remove(persongroup);
-		persongroup.setPerson(null);
-
-		return persongroup;
 	}
 
 	public List<Relative> getRelatives1() {

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Persongroup.java

@@ -88,4 +88,44 @@ public class Persongroup implements Serializable {
 		this.groupDef = groupDef;
 	}
 
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((deleted == null) ? 0 : deleted.hashCode());
+		result = prime * result + ((groupDef == null) ? 0 : groupDef.hashCode());
+		result = prime * result + id;
+		result = prime * result + ((person == null) ? 0 : person.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Persongroup other = (Persongroup) obj;
+		if (deleted == null) {
+			if (other.deleted != null)
+				return false;
+		} else if (!deleted.equals(other.deleted))
+			return false;
+		if (groupDef == null) {
+			if (other.groupDef != null)
+				return false;
+		} else if (!groupDef.equals(other.groupDef))
+			return false;
+		if (id != other.id)
+			return false;
+		if (person == null) {
+			if (other.person != null)
+				return false;
+		} else if (!person.equals(other.person))
+			return false;
+		return true;
+	}
+
 }

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Relative.java

@@ -111,4 +111,56 @@ public class Relative implements Serializable {
 		this.person2Bean = person2Bean;
 	}
 
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((deleted == null) ? 0 : deleted.hashCode());
+		result = prime * result + id;
+		result = prime * result + ((person1Bean == null) ? 0 : person1Bean.hashCode());
+		result = prime * result + ((person2Bean == null) ? 0 : person2Bean.hashCode());
+		result = prime * result + ((toPerson1Relation == null) ? 0 : toPerson1Relation.hashCode());
+		result = prime * result + ((toPerson2Relation == null) ? 0 : toPerson2Relation.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Relative other = (Relative) obj;
+		if (deleted == null) {
+			if (other.deleted != null)
+				return false;
+		} else if (!deleted.equals(other.deleted))
+			return false;
+		if (id != other.id)
+			return false;
+		if (person1Bean == null) {
+			if (other.person1Bean != null)
+				return false;
+		} else if (!person1Bean.equals(other.person1Bean))
+			return false;
+		if (person2Bean == null) {
+			if (other.person2Bean != null)
+				return false;
+		} else if (!person2Bean.equals(other.person2Bean))
+			return false;
+		if (toPerson1Relation == null) {
+			if (other.toPerson1Relation != null)
+				return false;
+		} else if (!toPerson1Relation.equals(other.toPerson1Relation))
+			return false;
+		if (toPerson2Relation == null) {
+			if (other.toPerson2Relation != null)
+				return false;
+		} else if (!toPerson2Relation.equals(other.toPerson2Relation))
+			return false;
+		return true;
+	}
+
 }

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Startpaesse.java

@@ -113,4 +113,50 @@ public class Startpaesse implements Serializable {
 		return startpassStartrechte;
 	}
 
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((deleted == null) ? 0 : deleted.hashCode());
+		result = prime * result + id;
+		result = prime * result + ((person == null) ? 0 : person.hashCode());
+		result = prime * result + ((startpassNr == null) ? 0 : startpassNr.hashCode());
+		result = prime * result + ((startpassStartrechtes == null) ? 0 : startpassStartrechtes.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Startpaesse other = (Startpaesse) obj;
+		if (deleted == null) {
+			if (other.deleted != null)
+				return false;
+		} else if (!deleted.equals(other.deleted))
+			return false;
+		if (id != other.id)
+			return false;
+		if (person == null) {
+			if (other.person != null)
+				return false;
+		} else if (!person.equals(other.person))
+			return false;
+		if (startpassNr == null) {
+			if (other.startpassNr != null)
+				return false;
+		} else if (!startpassNr.equals(other.startpassNr))
+			return false;
+		if (startpassStartrechtes == null) {
+			if (other.startpassStartrechtes != null)
+				return false;
+		} else if (!startpassStartrechtes.equals(other.startpassStartrechtes))
+			return false;
+		return true;
+	}
+
 }

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/MainUi.java

@@ -16,10 +16,8 @@ import com.vaadin.event.selection.SelectionEvent;
 import com.vaadin.server.VaadinRequest;
 import com.vaadin.shared.communication.PushMode;
 import com.vaadin.spring.annotation.SpringUI;
-import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.UI;
-import com.vaadin.ui.VerticalLayout;
 
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.business.EventBusiness;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.dao.GroupDao;
@@ -27,6 +25,7 @@ import de.kreth.vaadin.clubhelper.vaadinclubhelper.dao.PersonDao;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.ClubEvent;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Person;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components.CalendarComponent;
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components.PersonEditDialog;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components.PersonGrid;
 
 @Theme("vaadin-clubhelpertheme")
@@ -57,12 +56,13 @@ public class MainUi extends UI {
 
 		LOGGER.debug("Starting Vaadin UI with " + getClass().getName());
 
-		List<Person> persons = personDao.list();
+		List<Person> persons = personDao.listAll();
 		personGrid = new PersonGrid(groupDao);
 		personGrid.setItems(persons);
 		personGrid.setCaption("Personen");
 		personGrid.onClosedFunction(() -> detailClosed());
 		personGrid.onPersonSelect(ev -> personSelectionChange(ev));
+		personGrid.onPersonEdit(p -> onPersonEdit(p));
 
 		this.calendar = new CalendarComponent();
 		calendar.setHandler(this::onItemClick);
@@ -74,16 +74,6 @@ public class MainUi extends UI {
 		setContent(contentLayout);
 		setSizeFull();
 
-//		final List<ClubEvent> events = eventBusiness.loadEvents(request);
-//		calendar.setItems(events);
-//		for (ClubEvent ev : events) {
-//			if (ev.getPersons() != null && ev.getPersons().size()>0) {
-//				System.out.println(ev.getCaption());
-//				for (Person p: ev.getPersons()) {
-//					System.out.println("\t" + p.getPrename() + "=" + persons.contains(p));
-//				}
-//			}
-//		}
 		ExecutorService exec = Executors.newSingleThreadExecutor();
 		exec.execute(() -> {
 
@@ -97,11 +87,17 @@ public class MainUi extends UI {
 			
 		});
 		exec.shutdown();
+		LOGGER.info("Loaded UI and started fetch of Events");
+	}
+
+	private void onPersonEdit(Person p) {
+		PersonEditDialog dlg = new PersonEditDialog(groupDao.listAll(), p, personDao);
+		getUI().addWindow(dlg);
 	}
 	
 	private void personSelectionChange(SelectionEvent<Person> ev) {
 		Set<Person> selected = ev.getAllSelectedItems();
-		System.out.println("Selection changed to: " + selected);
+		LOGGER.debug("Selection changed to: {}", selected);
 		eventBusiness.changePersons(selected);
 	}
 
@@ -119,8 +115,10 @@ public class MainUi extends UI {
 		
 		personGrid.setCaption(ev.getCaption());
 		personGrid.setTitle(ev.getCaption());
-		personGrid.setVisible(true);
+		personGrid.setEnabled(false);
 		personGrid.selectItems(ev.getPersons());
+		personGrid.setVisible(true);
+		personGrid.setEnabled(true);
 		eventBusiness.setSelected(ev);
 	}
 

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/PersonEditDialog.java

@@ -0,0 +1,78 @@
+package de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.vaadin.teemu.switchui.Switch;
+
+import com.vaadin.data.Binder;
+import com.vaadin.data.HasValue.ValueChangeEvent;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Panel;
+import com.vaadin.ui.TextField;
+import com.vaadin.ui.VerticalLayout;
+import com.vaadin.ui.Window;
+
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.dao.PersonDao;
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.GroupDef;
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Person;
+
+public class PersonEditDialog extends Window {
+
+	private static final long serialVersionUID = 4692332924201974714L;
+	private final TextField textPrename;
+	private final TextField textSureName;
+	private final Person person;
+
+	private final Binder<Person> binder;
+
+	public PersonEditDialog(List<GroupDef> groups, Person person, PersonDao dao) {
+		this.person = person;
+
+		textPrename = new TextField();
+		textSureName = new TextField();
+		Panel groupPanel = new Panel("Gruppen");
+		VerticalLayout glay = new VerticalLayout();
+		groupPanel.setContent(glay);
+		List<GroupDef> selected = new ArrayList<>();
+		for (GroupDef tmp : person.getPersongroups()) {
+			selected.add(tmp);
+		}
+		for (GroupDef g: groups) {
+			Switch sw = new Switch(g.getName());
+			sw.setData(g);
+			sw.setValue(selected.contains(g));
+			sw.addValueChangeListener(ev -> groupChanged(ev));
+			glay.addComponent(sw);
+		}
+
+		binder = new Binder<>();
+		binder.forField(textPrename).bind(Person::getPrename, Person::setPrename);
+		binder.forField(textSureName).bind(Person::getSurname, Person::setSurname);
+		binder.readBean(person);
+		
+		Button close = new Button("Schließen");
+		close.addClickListener(ev -> PersonEditDialog.this.close());
+		Button ok = new Button("Speichern");
+		ok.addClickListener(ev -> {
+			binder.writeBeanIfValid(person);
+			dao.update(person);
+		});
+		VerticalLayout layout = new VerticalLayout();
+		layout.addComponents(textPrename, textSureName, groupPanel, close, ok);
+		setContent(layout);
+		
+	}
+
+	private void groupChanged(ValueChangeEvent<Boolean> ev) {
+		GroupDef group = (GroupDef) ((Switch)ev.getComponent()).getData();
+		List<GroupDef> pg = person.getPersongroups();
+		if (ev.getValue()) {
+			pg.add(group);
+		} else {
+			pg.remove(group);
+		}
+	}
+	
+	
+}

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/PersonGrid.java

@@ -3,16 +3,22 @@ package de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.vaadin.data.HasValue.ValueChangeEvent;
+import com.vaadin.data.provider.ConfigurableFilterDataProvider;
 import com.vaadin.data.provider.ListDataProvider;
 import com.vaadin.event.selection.SelectionListener;
 import com.vaadin.event.selection.SingleSelectionEvent;
+import com.vaadin.icons.VaadinIcons;
+import com.vaadin.server.SerializablePredicate;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.ComboBox;
@@ -23,11 +29,11 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.MultiSelect;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
+import com.vaadin.ui.themes.ValoTheme;
 
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.dao.GroupDao;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.GroupDef;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Person;
-import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Persongroup;
 
 public class PersonGrid extends CustomComponent {
 
@@ -44,8 +50,12 @@ public class PersonGrid extends CustomComponent {
 
 	private final TextField textTitle;
 
-	private final ListDataProvider<Person> dataProvider;
 	private ClosedFunction closedFunction = null;
+	private ConfigurableFilterDataProvider<Person, Void, SerializablePredicate<Person>> dataProvider;
+	private Boolean selectedOnlyFilter;
+	private Set<GroupDef> groupMemberFilter;
+	private List<GroupDef> allGroups;
+	private Consumer<Person> onPersonEdit;
 
 	public PersonGrid(GroupDao groupDao) {
 
@@ -91,14 +101,59 @@ public class PersonGrid extends CustomComponent {
 		setCompositionRoot(panel);
 	}
 
+    private Button buildDeleteButton(Person p) {
+        Button button = new Button(VaadinIcons.EDIT);
+        button.addStyleName(ValoTheme.BUTTON_SMALL);
+        button.addClickListener(e -> showPersonDetails(p));
+        return button;
+    }
+    
+	private void showPersonDetails(Person p) {
+		if (onPersonEdit != null) {
+			onPersonEdit.accept(p);
+		}
+	}
+
 	public void onClosedFunction(ClosedFunction closedFunction) {
 		this.closedFunction = closedFunction;
 	}
 
 	private void onSelectedOnly(ValueChangeEvent<Boolean> ev) {
-		dataProvider.clearFilters();
+		this.selectedOnlyFilter = ev.getValue();
+		updateFilter();
+	}
+
+	private void updateFilter() {
+		Predicate<Person> filter = p -> true;
+		if (selectedOnlyFilter!= null && selectedOnlyFilter.equals(Boolean.TRUE)) {
 			Set<Person> selected = grid.getSelectedItems();
-		dataProvider.addFilter(p -> selected.contains(p));
+			filter = p -> selected.contains(p);
+		}
+		if (groupMemberFilter != null && groupMemberFilter.isEmpty() == false) {
+			final Set<Integer> groupIds = new HashSet<>();
+			groupMemberFilter.forEach(gm -> {
+				groupIds.add(gm.getId());
+			});
+			
+			filter = filter.and(p -> {
+				{
+					List<GroupDef> personGroups = p.getPersongroups();
+					for (GroupDef pg : personGroups) {
+						if (groupIds.contains(pg.getId())) {
+							return true;
+						}
+					}
+					return false;
+				}
+			});
+		}
+		
+		setFilter(filter);
+	}
+
+	public void setFilter(Predicate<Person> filter) {
+		dataProvider.setFilter(p -> filter.test(p));
+		grid.getDataProvider().refreshAll();
 	}
 
 	public void onPersonSelect(SelectionListener<Person> listener) throws UnsupportedOperationException {
@@ -128,17 +183,9 @@ public class PersonGrid extends CustomComponent {
 	}
 
 	private void onGroupSelected(SingleSelectionEvent<GroupDef> ev) {
-		dataProvider.clearFilters();
-		final Set<GroupDef> groups = ev.getAllSelectedItems();
-		dataProvider.addFilter(p -> {
-			List<Persongroup> pgs = p.getPersongroups();
-			for (Persongroup pg : pgs) {
-				if (groups.contains(pg.getGroupDef())) {
-					return true;
-				}
-			}
-			return false;
-		});
+
+		groupMemberFilter = ev.getAllSelectedItems();
+		updateFilter();
 	}
 
 	public void setTitle(String value) {
@@ -161,6 +208,12 @@ public class PersonGrid extends CustomComponent {
 	}
 
 	public void selectItems(Collection<Person> persons) {
+		log.debug("Selecting now: {}" + persons);
 		selectItems(persons.toArray(new Person[0]));
 	}
+
+	public void onPersonEdit(Consumer<Person> function) {
+		this.onPersonEdit = function;
+	}
+
 }

src/main/resources/hibernate.cfg.xml

@@ -17,6 +17,6 @@
 		<!-- Specifying Session Context -->
 		<property name="hibernate.current_session_context_class">org.hibernate.context.internal.ThreadLocalSessionContext</property>
 
-		<mapping resource="schema/ClubEvent.hbm.xml"></mapping> 
+<!-- 		<mapping resource="schema/ClubEvent.hbm.xml"></mapping>  -->
 	</session-factory>
 </hibernate-configuration>

src/main/resources/schema/ClubEvent.hbm.xml

@@ -25,7 +25,7 @@
 		<property column="organizerDisplayName" generated="never"
 			lazy="false" name="organizerDisplayName" type="string" />
 			
-        <set name="persons" table="clubevent_has_person" cascade="all" lazy="false">
+        <set name="persons" table="clubevent_has_person" cascade="save-update" lazy="false">
             <key column="clubevent_id"/>
             <many-to-many column="person_id" class="de.kreth.vaadin.clubhelper.vaadinclubhelper.data.Person" />
         </set>