| package org.eclipse.osbp.runtime.web.sample.entities; |
| |
| import javax.persistence.EntityListeners; |
| import javax.persistence.Id; |
| import javax.persistence.MappedSuperclass; |
| import javax.persistence.PreRemove; |
| import javax.persistence.Transient; |
| import org.eclipse.osbp.dsl.common.datatypes.IEntity; |
| import org.eclipse.osbp.jpa.services.listener.EntityInfoListener; |
| import org.eclipse.osbp.runtime.common.annotations.Dispose; |
| |
| @MappedSuperclass |
| @EntityListeners(value = EntityInfoListener.class) |
| @SuppressWarnings("all") |
| public class BaseUUID implements IEntity { |
| @Transient |
| @Dispose |
| private boolean disposed; |
| |
| @Id |
| private String uuid = java.util.UUID.randomUUID().toString(); |
| |
| /** |
| * @return true, if the object is disposed. |
| * Disposed means, that it is prepared for garbage collection and may not be used anymore. |
| * Accessing objects that are already disposed will cause runtime exceptions. |
| * |
| */ |
| @Dispose |
| public boolean isDisposed() { |
| return this.disposed; |
| } |
| |
| /** |
| * Checks whether the object is disposed. |
| * @throws RuntimeException if the object is disposed. |
| */ |
| private void checkDisposed() { |
| if (isDisposed()) { |
| throw new RuntimeException("Object already disposed: " + this); |
| } |
| } |
| |
| /** |
| * Calling dispose will destroy that instance. The internal state will be |
| * set to 'disposed' and methods of that object must not be used anymore. |
| * Each call will result in runtime exceptions.<br> |
| * If this object keeps composition containments, these will be disposed too. |
| * So the whole composition containment tree will be disposed on calling this method. |
| */ |
| @Dispose |
| public void dispose() { |
| if (isDisposed()) { |
| return; |
| } |
| disposed = true; |
| } |
| |
| /** |
| * @return Returns the uuid property or <code>null</code> if not present. |
| */ |
| public String getUuid() { |
| checkDisposed(); |
| return this.uuid; |
| } |
| |
| /** |
| * Sets the uuid property to this instance. |
| */ |
| public void setUuid(final String uuid) { |
| checkDisposed(); |
| this.uuid = uuid; |
| } |
| |
| public boolean equalVersions(final Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| BaseUUID other = (BaseUUID) obj; |
| if (this.uuid == null) { |
| if (other.uuid != null) |
| return false; |
| } else if (!this.uuid.equals(other.uuid)) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| return equalVersions(obj); |
| } |
| |
| @Override |
| public int hashCode() { |
| int prime = 31; |
| int result = 1; |
| result = prime * result + ((this.uuid== null) ? 0 : this.uuid.hashCode()); |
| return result; |
| } |
| |
| /** |
| * Iterates all cross references and removes them from the parent to avoid ConstraintViolationException |
| */ |
| @PreRemove |
| protected void preRemove() { |
| |
| } |
| } |