package org.jboss.seam.contexts;
abstract class AbstractEntityBeanCollection implements Wrapper
{
private transient boolean initialized;
protected AbstractEntityBeanCollection()
{
initialized = true;
}
public final void activate()
{
if ( isPassivatedEntitiesInitialized() && isAnyVersioned() )
{
activateAll();
initialized = true;
}
else
{
initialized = false;
}
}
public final Object getInstance()
{
if ( !initialized && isPassivatedEntitiesInitialized() )
{
activateAll();
}
initialized = true;
return getEntityCollection();
}
public final boolean passivate()
{
if ( PassivatedEntity.isTransactionRolledBackOrMarkedRollback() )
{
clearPassivatedEntities();
}
else
{
passivateAll();
}
return true;
}
private boolean isAnyVersioned()
{
for ( PassivatedEntity passivatedEntity: getPassivatedEntities() )
{
if ( passivatedEntity!=null && passivatedEntity.isVersioned() ) return true;
}
return false;
}
protected abstract void activateAll();
protected abstract void passivateAll();
protected abstract Iterable<PassivatedEntity> getPassivatedEntities();
protected abstract void clearPassivatedEntities();
protected abstract boolean isPassivatedEntitiesInitialized();
protected abstract Object getEntityCollection();
}