Guy, yes, I just noticed that preUpdate is called. It's just prePersist that
isn't being called. Another thing that just occurred to me. I don't know if
this has anything to do with it or not, but, the Id value for the class is
implemented in the subclasses, not AuditObject. So, AuditObject has a
PrePersist method but no Id field. I'm guessing maybe that's it? AuditObject
is an abstract class.
Jon
----- Original Message -----
From: "Guy Pelletier" <guy.pelletier_at_oracle.com>
To: <persistence_at_glassfish.dev.java.net>
Sent: Monday, January 08, 2007 12:20 PM
Subject: Re: PrePersist method not being called
> Hi Jon,
>
> I noticed there is a pre-update listener on the mapped superclass. Does it
> ever get called? Is it just the pre-persist that never executes?
>
> Cheers,
> Guy
>
> ----- Original Message -----
> From: "Jon Miller" <jemiller_at_uchicago.edu>
> To: <persistence_at_glassfish.dev.java.net>
> Sent: Monday, January 08, 2007 1:00 PM
> Subject: Re: PrePersist method not being called
>
>
>> Thanks Tom. Yeah, I have all the classes listed there now. It still isn't
>> working though. I just tried a simpler test with the PrePersist method in
>> the top level class and it worked. I'll have to look into it further...
>>
>> Thanks for the info on weaving. I recently read about that. So far I just
>> been doing without it. I figure once I get further along I may need to
>> enable it if performance is an issue. One thing that I'm wondering about
>> the agent is: is it possible to somehow enable the agent programatically
>> in the program itself, or, does it have to be passed as a command-line
>> argument? I'm using TopLink with Tomcat and not using an EJB application
>> server. I like the idea of being able to deploy the web app
>> self-contained without having to make changes to the web server
>> configuration such as passing command-line arguments to the JVM.
>>
>> Jon
>>
>> ----- Original Message -----
>> From: "Tom Ware" <tom.ware_at_oracle.com>
>> To: <persistence_at_glassfish.dev.java.net>
>> Sent: Monday, January 08, 2007 8:28 AM
>> Subject: Re: PrePersist method not being called
>>
>>
>>> Hi Jon,
>>>
>>> Are you still seeing the problem now that you have listed AuditObject
>>> in your persistence.xml?
>>>
>>> In Java SE, the JPA specification says that portable applications must
>>> list the classes that will be used in the persistence.xml either with
>>> <class> element, by referring to them in a file referenced by a
>>> <mapping-file> element, or by placing them in a file referenced by a
>>> <jar-file> element. As a result, in Java SE depending on how your
>>> persistence.xml looks, we may not automatically discover your classes.
>>>
>>> In some Java SE Environments TopLink Essentials will be able to
>>> auto-discover if you use the <exclude-unlisted-classes> element in your
>>> persistence.xml and set it to false.
>>>
>>> FYI: You have asked a couple of questions about the javaagent, so I'll
>>> give you an idea what the purpose of the agent is. In TopLink
>>> Essentials, we use the javaagent to dynamically weave classes that have
>>> OneToOne or ManyToOne mappings with FetchType LAZY. The weaving allows
>>> us to actually retrieve the elements referenced by those mappings in a
>>> LAZY manner. For those that do not wish to use the agent (or cannot use
>>> it), there is also the option of using a preprocessing step for this
>>> weaving. If you are interested in that step, take a look at the section
>>> of the following document entitled, "Static Weaving Using the
>>> StaticWeave Class on the Command Line":
>>>
>>> http://www.oracle.com/technology/products/ias/toplink/jpa/resources/toplink-jpa-extensions.html#LazyLoading
>>>
>>> -Tom
>>>
>>> Jon Miller wrote:
>>>
>>>>I thought I found what might have been the problem on my side. I wasn't
>>>>listing AuditObject in my persistence.xml. Initially, I was thinking
>>>>that you only would have to list the subclasses that you are using
>>>>directly and that it would automatically add in the superclasses for
>>>>you. I found out that this doesn't appear to be the case though (at
>>>>least in standalone mode). Another thing worth mentioning is that the
>>>>AuditObject class is in a different jar file. I'm not sure if that would
>>>>make a difference or not. There's only one persistence.xml, but, the
>>>>classes are split between two jar files.
>>>>
>>>>Jon
>>>>
>>>>----- Original Message -----
>>>>From: "Jon Miller" <jemiller_at_uchicago.edu>
>>>>To: <persistence_at_glassfish.dev.java.net>
>>>>Sent: Friday, January 05, 2007 6:13 PM
>>>>Subject: Re: PrePersist method not being called
>>>>
>>>>
>>>>
>>>>>OK, I tested it and it works with Hibernate, but, I receive the
>>>>>following error with TopLink. The prePersist method is supposed to be
>>>>>called which sets the lastWriteTime field. This isn't happening, so,
>>>>>it's causing an exception since that field is NOT NULL.
>>>>>
>>>>> [junit] Caused by: Exception [TOPLINK-4002] (Oracle TopLink
>>>>> Essentials - 9.1 (Build b30)): oracle.toplink.essentials
>>>>>.exceptions.DatabaseException
>>>>> [junit] Internal Exception: java.sql.SQLException:
>>>>> [SKATE\SQLEXPRESS]Cannot insert the value NULL into column 'LastW
>>>>>riteTime', table 'Schedules.dbo.Person'; column does not allow nulls.
>>>>>INSERT fails.Error Code: 515
>>>>> [junit] Call:INSERT INTO Person (Department, CreationUserName,
>>>>> FirstName, LastName, LastWriteTime, Name, LastWriteUs
>>>>>erName, MiddleName, TelephoneNumber, Title, CreationTime, Curriculum,
>>>>>Address, UserName, EmailAddress, Organization, Cla
>>>>>ss) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
>>>>> [junit] bind => [null, null, Jonathan, Miller, null, Jonathan
>>>>> Eric Miller, null, Eric, null, null, null, null, n
>>>>>ull, jemiller, null, null, Schedules.Persistence.Entity.User]
>>>>>
>>>>>Jon
>>>>>
>>>>>----- Original Message -----
>>>>>From: "Jon Miller" <jemiller_at_uchicago.edu>
>>>>>To: <persistence_at_glassfish.dev.java.net>
>>>>>Sent: Friday, January 05, 2007 5:47 PM
>>>>>Subject: Re: PrePersist method not being called
>>>>>
>>>>>
>>>>>
>>>>>>OK, I tested it with V2 build 30. It still isn't getting called. I'm
>>>>>>not using the agent at present. Would that matter? I'm wondering if
>>>>>>the problem is that the PrePersist method is in a MappedSuperclass? I
>>>>>>think that's a valid thing to do though. I think the Javadocs mention
>>>>>>it if I remember correctly. I'm going to test it again with Hibernate,
>>>>>>just to make sure I'm not doing something else wrong and that it does
>>>>>>indeed work with Hibernate and not TopLink.
>>>>>>
>>>>>>Jon
>>>>>>
>>>>>>----- Original Message -----
>>>>>>From: "Tom Ware" <tom.ware_at_oracle.com>
>>>>>>To: <persistence_at_glassfish.dev.java.net>
>>>>>>Sent: Thursday, January 04, 2007 2:10 PM
>>>>>>Subject: Re: PrePersist method not being called
>>>>>>
>>>>>>
>>>>>>
>>>>>>>Hi Jon,
>>>>>>>
>>>>>>> Do you see the same behavior on the latest builds of TopLink
>>>>>>> essentials (e.g. V2 build 30)? There have been quite a lot of
>>>>>>> changes since the end of August (060830).
>>>>>>>
>>>>>>> You can get the latest version at:
>>>>>>>
>>>>>>>https://glassfish.dev.java.net/downloads/persistence/JavaPersistence.html
>>>>>>>
>>>>>>>-Tom
>>>>>>>
>>>>>>>Jon Miller wrote:
>>>>>>>
>>>>>>>
>>>>>>>>Hi all,
>>>>>>>>
>>>>>>>>I'm using the version of Toplink Essentials that comes with NetBeans
>>>>>>>>5.5. I have a class which defines a PrePersist method
>>>>>>>>(AuditObject.prePersist()) which sets some values in an object
>>>>>>>>(namely a timestamp which is a NOT NULL value). I'm finding that
>>>>>>>>this method isn't being called when I attempt to persist an Item
>>>>>>>>object (subclass of AuditObject). It works fine if I use Hibernate's
>>>>>>>>implementation of JPA. Does anyone know what I might be doing wrong
>>>>>>>>or if this is a known issue? So far I haven't been using the
>>>>>>>>javaagent. However, I just tried it with the agent to see if that
>>>>>>>>might be the problem, but, it didn't make a difference. The
>>>>>>>>following is the exception that I'm receiving.
>>>>>>>>
>>>>>>>>Exception [TOPLINK-4002] (Oracle TopLink Essentials - 2006.8 (Build
>>>>>>>>060830)): oracle.toplink.essentials.exceptions.DatabaseException
>>>>>>>>Internal Exception: java.sql.SQLException: [SKATE\SQLEXPRESS]Cannot
>>>>>>>>insert the value NULL into column 'LastWriteTime', table
>>>>>>>>'ReservationsDev.dbo.Item'; column does not allow nulls. INSERT
>>>>>>>>fails.Error Code: 515
>>>>>>>>Call:INSERT INTO Item (Name, CreationUserName, Description,
>>>>>>>>LastWriteUserName, LastWriteTime, CreationTime) VALUES (?, ?, ?, ?,
>>>>>>>>?, ?)
>>>>>>>> bind => [testSaveItem Wed Jan 03 14:43:08 CST 2007, null,
>>>>>>>> Description, null, null, null]
>>>>>>>>Query:InsertObjectQuery([id = null, name = "testSaveItem Wed Jan 03
>>>>>>>>14:43:08 CST 2007", description = "Description"])
>>>>>>>>javax.persistence.RollbackException: Exception [TOPLINK-4002]
>>>>>>>>(Oracle TopLink Essentials - 2006.8 (Build 060830)):
>>>>>>>>oracle.toplink.essentials.exceptions.DatabaseException
>>>>>>>>Internal Exception: java.sql.SQLException: [SKATE\SQLEXPRESS]Cannot
>>>>>>>>insert the value NULL into column 'LastWriteTime', table
>>>>>>>>'ReservationsDev.dbo.Item'; column does not allow nulls. INSERT
>>>>>>>>fails.Error Code: 515
>>>>>>>>Call:INSERT INTO Item (Name, CreationUserName, Description,
>>>>>>>>LastWriteUserName, LastWriteTime, CreationTime) VALUES (?, ?, ?, ?,
>>>>>>>>?, ?)
>>>>>>>> bind => [testSaveItem Wed Jan 03 14:43:08 CST 2007, null,
>>>>>>>> Description, null, null, null]
>>>>>>>>Query:InsertObjectQuery([id = null, name = "testSaveItem Wed Jan 03
>>>>>>>>14:43:08 CST 2007", description = "Description"])
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.ejb.cmp3.transaction.base.EntityTransactionImpl.commit(EntityTransactionImpl.java:109)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.ejb.cmp3.transaction.EntityTransactionImpl.commit(EntityTransactionImpl.java:45)
>>>>>>>> at
>>>>>>>> edu.uchicago.at.reservations.ReservationsService.saveItem(ReservationsService.java:254)
>>>>>>>> at
>>>>>>>> edu.uchicago.at.reservations.ReservationsServiceTest.testSaveGetAndRemoveItem(ReservationsServiceTest.java:44)
>>>>>>>>Caused by: Exception [TOPLINK-4002] (Oracle TopLink Essentials -
>>>>>>>>2006.8 (Build 060830)):
>>>>>>>>oracle.toplink.essentials.exceptions.DatabaseException
>>>>>>>>Internal Exception: java.sql.SQLException: [SKATE\SQLEXPRESS]Cannot
>>>>>>>>insert the value NULL into column 'LastWriteTime', table
>>>>>>>>'ReservationsDev.dbo.Item'; column does not allow nulls. INSERT
>>>>>>>>fails.Error Code: 515
>>>>>>>>Call:INSERT INTO Item (Name, CreationUserName, Description,
>>>>>>>>LastWriteUserName, LastWriteTime, CreationTime) VALUES (?, ?, ?, ?,
>>>>>>>>?, ?)
>>>>>>>> bind => [testSaveItem Wed Jan 03 14:43:08 CST 2007, null,
>>>>>>>> Description, null, null, null]
>>>>>>>>Query:InsertObjectQuery([id = null, name = "testSaveItem Wed Jan 03
>>>>>>>>14:43:08 CST 2007", description = "Description"])
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.exceptions.DatabaseException.sqlException(DatabaseException.java:295)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:639)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.executeNoSelect(DatabaseAccessor.java:688)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:477)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.executeCall(DatabaseAccessor.java:437)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.AbstractSession.executeCall(AbstractSession.java:675)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:213)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:199)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatasourceCallQueryMechanism.insertObject(DatasourceCallQueryMechanism.java:331)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.StatementQueryMechanism.insertObject(StatementQueryMechanism.java:176)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.StatementQueryMechanism.insertObject(StatementQueryMechanism.java:190)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism.insertObjectForWrite(DatabaseQueryMechanism.java:457)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.queryframework.InsertObjectQuery.executeCommit(InsertObjectQuery.java:74)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism.performUserDefinedWrite(DatabaseQueryMechanism.java:635)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism.performUserDefinedInsert(DatabaseQueryMechanism.java:599)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism.insertObjectForWriteWithChangeSet(DatabaseQueryMechanism.java:495)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.queryframework.WriteObjectQuery.executeCommitWithChangeSet(WriteObjectQuery.java:130)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism.executeWriteWithChangeSet(DatabaseQueryMechanism.java:283)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.queryframework.WriteObjectQuery.executeDatabaseQuery(WriteObjectQuery.java:67)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.queryframework.DatabaseQuery.execute(DatabaseQuery.java:609)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.queryframework.DatabaseQuery.executeInUnitOfWork(DatabaseQuery.java:536)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.queryframework.ObjectLevelModifyQuery.executeInUnitOfWorkObjectLevelModifyQuery(ObjectLevelModifyQuery.java:123)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.queryframework.ObjectLevelModifyQuery.executeInUnitOfWork(ObjectLevelModifyQuery.java:95)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.internalExecuteQuery(UnitOfWorkImpl.java:2218)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:937)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:894)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.CommitManager.commitNewObjectsForClassWithChangeSet(CommitManager.java:254)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.CommitManager.commitAllObjectsWithChangeSet(CommitManager.java:175)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.AbstractSession.writeAllObjectsWithChangeSet(AbstractSession.java:2638)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitToDatabase(UnitOfWorkImpl.java:1030)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.ejb.cmp3.base.RepeatableWriteUnitOfWork.commitToDatabase(RepeatableWriteUnitOfWork.java:357)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitToDatabaseWithChangeSet(UnitOfWorkImpl.java:1112)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.ejb.cmp3.base.RepeatableWriteUnitOfWork.commitRootUnitOfWork(RepeatableWriteUnitOfWork.java:82)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitAndResume(UnitOfWorkImpl.java:842)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.ejb.cmp3.transaction.base.EntityTransactionImpl.commit(EntityTransactionImpl.java:90)
>>>>>>>> ... 18 more
>>>>>>>>Caused by: java.sql.SQLException: [SKATE\SQLEXPRESS]Cannot insert
>>>>>>>>the value NULL into column 'LastWriteTime', table
>>>>>>>>'ReservationsDev.dbo.Item'; column does not allow nulls. INSERT
>>>>>>>>fails.
>>>>>>>> at com.inet.tds.a.a(Unknown Source)
>>>>>>>> at com.inet.tds.c.new(Unknown Source)
>>>>>>>> at com.inet.tds.c.executeUpdate(Unknown Source)
>>>>>>>> at
>>>>>>>> oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:632)
>>>>>>>> ... 51 more
>>>>>>>>
>>>>>>>>// AuditObject.java
>>>>>>>>package edu.uchicago.at.common.persistence.entity;
>>>>>>>>
>>>>>>>>import java.io.Serializable;
>>>>>>>>import java.util.Date;
>>>>>>>>import java.util.logging.Logger;
>>>>>>>>import javax.persistence.Column;
>>>>>>>>import javax.persistence.MappedSuperclass;
>>>>>>>>import javax.persistence.PrePersist;
>>>>>>>>import javax.persistence.PreUpdate;
>>>>>>>>import javax.persistence.Temporal;
>>>>>>>>import javax.persistence.TemporalType;
>>>>>>>>
>>>>>>>>@MappedSuperclass
>>>>>>>>public abstract class AuditObject implements Serializable {
>>>>>>>> private Date creationTime;
>>>>>>>> private String creationUserName;
>>>>>>>> private Date lastWriteTime;
>>>>>>>> private String lastWriteUserName;
>>>>>>>> private static Logger logger = Logger.getLogger(
>>>>>>>> AuditObject.class.getName());
>>>>>>>>
>>>>>>>> @Column(name="CreationTime", nullable=false)
>>>>>>>> @Temporal(TemporalType.TIMESTAMP)
>>>>>>>> public Date getCreationTime() {
>>>>>>>> return creationTime;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setCreationTime(Date creationTime) {
>>>>>>>> this.creationTime = creationTime;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Column(name="CreationUserName",
>>>>>>>> columnDefinition="nvarchar(255)")
>>>>>>>> public String getCreationUserName() {
>>>>>>>> return creationUserName;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setCreationUserName(String creationUserName) {
>>>>>>>> this.creationUserName = creationUserName;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Column(name="LastWriteTime", nullable=false)
>>>>>>>> @Temporal(TemporalType.TIMESTAMP)
>>>>>>>> public Date getLastWriteTime() {
>>>>>>>> return lastWriteTime;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setLastWriteTime(Date lastWriteTime) {
>>>>>>>> this.lastWriteTime = lastWriteTime;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Column(name="LastWriteUserName",
>>>>>>>> columnDefinition="nvarchar(255)")
>>>>>>>> public String getLastWriteUserName() {
>>>>>>>> return lastWriteUserName;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setLastWriteUserName(String lastWriteUserName) {
>>>>>>>> this.lastWriteUserName = lastWriteUserName;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @PrePersist
>>>>>>>> public void prePersist() {
>>>>>>>> Date d = new Date();
>>>>>>>> setCreationTime(d);
>>>>>>>> setLastWriteTime(d);
>>>>>>>> }
>>>>>>>>
>>>>>>>> @PreUpdate
>>>>>>>> public void preUpdate() {
>>>>>>>> Date d = new Date();
>>>>>>>> setLastWriteTime(d);
>>>>>>>> }
>>>>>>>>}
>>>>>>>>
>>>>>>>>// Item.java
>>>>>>>>package edu.uchicago.at.reservations.persistence.entity;
>>>>>>>>
>>>>>>>>import edu.uchicago.at.common.persistence.entity.AuditObject;
>>>>>>>>import java.util.ArrayList;
>>>>>>>>import java.util.Collection;
>>>>>>>>import javax.persistence.Column;
>>>>>>>>import javax.persistence.Entity;
>>>>>>>>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.Table;
>>>>>>>>
>>>>>>>>@Entity
>>>>>>>>@Table(name="Item")
>>>>>>>>public class Item extends AuditObject {
>>>>>>>> private String description;
>>>>>>>> private Integer id;
>>>>>>>> private String name;
>>>>>>>> private Collection<Reservation> reservations = new
>>>>>>>> ArrayList<Reservation>();
>>>>>>>> private Collection<Item> subItems = new ArrayList<Item>();
>>>>>>>> private Collection<Item> superItems = new ArrayList<Item>();
>>>>>>>>
>>>>>>>> public Item() {
>>>>>>>> }
>>>>>>>>
>>>>>>>> public Item(String name) {
>>>>>>>> setName(name);
>>>>>>>> }
>>>>>>>>
>>>>>>>> public boolean contains(Item item) {
>>>>>>>> for(Item i : subItems) {
>>>>>>>> if (i.id == item.id) {
>>>>>>>> return true;
>>>>>>>> }
>>>>>>>> if (i.contains(item)) {
>>>>>>>> return true;
>>>>>>>> }
>>>>>>>> }
>>>>>>>> return false;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Column(name="Description", columnDefinition="nvarchar(max)")
>>>>>>>> public String getDescription() {
>>>>>>>> return description;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setDescription(String description) {
>>>>>>>> this.description = description;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Id
>>>>>>>> @GeneratedValue(strategy = GenerationType.IDENTITY)
>>>>>>>> @Column(name="Id")
>>>>>>>> public Integer getId() {
>>>>>>>> return id;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setId(Integer id) {
>>>>>>>> this.id = id;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Column(name="Name", columnDefinition="nvarchar(255)")
>>>>>>>> public String getName() {
>>>>>>>> return name;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setName(String name) {
>>>>>>>> this.name = name;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @ManyToMany(mappedBy="items")
>>>>>>>> public Collection<Reservation> getReservations() {
>>>>>>>> return reservations;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setReservations(Collection<Reservation> reservations)
>>>>>>>> {
>>>>>>>> this.reservations = reservations;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @ManyToMany
>>>>>>>> @JoinTable(name="ItemItem",
>>>>>>>> joinColumns={_at_JoinColumn(name="ItemId")},
>>>>>>>> inverseJoinColumns={_at_JoinColumn(name="SubItemId")})
>>>>>>>> public Collection<Item> getSubItems() {
>>>>>>>> return subItems;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setSubItems(Collection<Item> subItems) {
>>>>>>>> this.subItems = subItems;
>>>>>>>> }
>>>>>>>>
>>>>>>>> @ManyToMany(mappedBy="subItems")
>>>>>>>> public Collection<Item> getSuperItems() {
>>>>>>>> return superItems;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public void setSuperItems(Collection<Item> superItems) {
>>>>>>>> this.superItems = superItems;
>>>>>>>> }
>>>>>>>>
>>>>>>>> public String toString() {
>>>>>>>> StringBuilder sb = new StringBuilder();
>>>>>>>> sb.append("[");
>>>>>>>> sb.append(String.format("id = %d", id));
>>>>>>>> sb.append(String.format(", name = \"%s\"", name));
>>>>>>>> sb.append(String.format(", description = \"%s\"",
>>>>>>>> description));
>>>>>>>> sb.append("]");
>>>>>>>> return sb.toString();
>>>>>>>> }
>>>>>>>>}
>>>>>>>>
>>>>>>>>Jon
>>>>>>>>
>>>>>>>>
>>>
>>
>