[forge-issues] [JBoss JIRA] (FORGE-133) Entity command should provide an option for using a Mapped Superclass

[George Gastaldi (JIRA)]

     [ https://issues.jboss.org/browse/FORGE-133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

George Gastaldi updated FORGE-133:
----------------------------------

    Fix Version/s: 1.2.4.Final
                       (was: 1.2.3.Final)

    
> Entity command should provide an option for using a Mapped Superclass
> ---------------------------------------------------------------------
>
>                 Key: FORGE-133
>                 URL: https://issues.jboss.org/browse/FORGE-133
>             Project: Forge
>          Issue Type: Enhancement
>          Components: Builtin Plugins, Java EE APIs
>    Affects Versions: 1.0.0.Alpha4
>            Reporter: Lincoln Baxter III
>            Priority: Optional
>              Labels: Starter
>             Fix For: 1.2.4.Final
>
>
> Instead of putting version and ID in the entity itself, the entity command should allow for using a Mapped superclass (hopefully trying to check for version and id in the process, so that those fields may be omitted from the entity itself.)
> {code}
> /*
>  * Copyright 2010 - Lincoln Baxter, III (lincoln at ocpsoft.com) - Licensed under the Apache License,
>  * Version 2.0 (the "License"); you may not use this file except in compliance
>  * with the License. You may obtain a copy of the License at
>  * http://www.apache.org/licenses/LICENSE-2.0 - Unless required by applicable
>  * law or agreed to in writing, software distributed under the License is
>  * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
>  * KIND, either express or implied. See the License for the specific language
>  * governing permissions and limitations under the License.
>  */
> import java.io.Serializable;
> import java.util.Date;
> import javax.persistence.Column;
> import javax.persistence.GeneratedValue;
> import javax.persistence.GenerationType;
> import javax.persistence.Id;
> import javax.persistence.MappedSuperclass;
> import javax.persistence.PersistenceException;
> import javax.persistence.PrePersist;
> import javax.persistence.PreUpdate;
> import javax.persistence.Temporal;
> import javax.persistence.TemporalType;
> import javax.persistence.Version;
> @MappedSuperclass
> public abstract class PersistentObject<E extends PersistentObject<?>> implements Serializable
> {
>    private static final long serialVersionUID = -1272280183658745494L;
>    @Id
>    @GeneratedValue(strategy = GenerationType.AUTO)
>    @Column(name = "id", updatable = false, nullable = false)
>    private Long id = null;
>    @Version
>    @Column(name = "version")
>    private int version = 0;
>    @Temporal(TemporalType.TIMESTAMP)
>    @Column(name = "lastUpdate")
>    private Date lastUpdate;
>    @Temporal(TemporalType.TIMESTAMP)
>    @Column(name = "createdOn", updatable = false, nullable = false)
>    private Date createdOn;
>    @PrePersist
>    void prePersistSetCreationTimestamp()
>    {
>       createdOn = new Date();
>    }
>    @PreUpdate
>    void preUpdateSetLastUpdatedTimestamp()
>    {
>       lastUpdate = new Date();
>    }
>    protected static boolean getBooleanValue(final Boolean value)
>    {
>       return Boolean.valueOf(String.valueOf(value));
>    }
>    public Long getId()
>    {
>       return id;
>    }
>    public boolean isPersistent()
>    {
>       return getId() != null;
>    }
>    @SuppressWarnings("unchecked")
>    public E setId(final Long id)
>    {
>       if (this.id != null)
>       {
>          throw new PersistenceException("Cannot alter immutable ID of persistent object with id: " + id);
>       }
>       this.id = id;
>       return (E) this;
>    }
>    public int getVersion()
>    {
>       return version;
>    }
>    @SuppressWarnings("unused")
>    private void setVersion(final int version)
>    {
>       this.version = version;
>    }
>    public Date getLastUpdate()
>    {
>       return lastUpdate;
>    }
>    @SuppressWarnings("unchecked")
>    public E setLastUpdate(final Date lastUpdate)
>    {
>       this.lastUpdate = lastUpdate;
>       return (E) this;
>    }
>    public Date getCreatedOn()
>    {
>       return createdOn;
>    }
>    @SuppressWarnings("unchecked")
>    public E setCreatedOn(final Date createdOn)
>    {
>       this.createdOn = createdOn;
>       return (E) this;
>    }
> }
> {code}

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