List of usage examples for org.hibernate.mapping Property getCascadeStyle
public CascadeStyle getCascadeStyle() throws MappingException
From source file:org.eclipse.emf.teneo.hibernate.HbDataStore.java
License:Open Source License
/** * Computes the referers, handles the lazy for containment *//*from www . j a va2 s . c o m*/ protected HashMap<String, java.util.List<ReferenceTo>> computeReferers() { final HashMap<String, java.util.List<ReferenceTo>> result = new HashMap<String, java.util.List<ReferenceTo>>(); final Iterator<?> it = getClassMappings(); final ArrayList<String> fmes = new ArrayList<String>(); while (it.hasNext()) { final PersistentClass pc = (PersistentClass) it.next(); // keep track which are the feature map entries if (pc.getMetaAttribute(HbMapperConstants.FEATUREMAP_META) != null) { fmes.add(getMappedName(pc)); } // everyone should have a list otherwise the copying of referers to // super types to // this type does not work if (result.get(getMappedName(pc)) == null) { result.put(getMappedName(pc), new ArrayList<ReferenceTo>()); } final Iterator<?> propIt = pc.getPropertyIterator(); while (propIt.hasNext()) { // handle few cases // OneToOne or ManyToOne, referenced class can be obtained from // Value and then getReferencedEntityName // List: in this case search for a structural feature and get // the EType from it // if no structural feature then use the type name and hope for // the best. final Property prop = (Property) propIt.next(); EClass eClass = null; if (pc.getMetaAttribute(HbMapperConstants.FEATUREMAP_META) == null) { if (pc.getEntityName() != null) { eClass = getEntityNameStrategy().toEClass(pc.getEntityName()); } else { eClass = EModelResolver.instance().getEClass(pc.getMappedClass()); } } final EStructuralFeature ef = eClass == null ? null : StoreUtil.getEStructuralFeature(eClass, prop.getName()); try { String toEntity = ""; boolean isContainer = false; boolean isMany = false; if (prop.getValue() instanceof ManyToOne) { final ManyToOne mto = (ManyToOne) prop.getValue(); toEntity = mto.getReferencedEntityName(); if (ef != null) { isContainer = ef instanceof EReference && ((EReference) ef).isContainment(); } else { isContainer = prop.getCascadeStyle().hasOrphanDelete() || prop.getCascade().compareTo("all") == 0; // ugly // but } // this was // the only // way to // get all // there! } else if (prop.getValue() instanceof OneToOne) { final OneToOne oto = (OneToOne) prop.getValue(); toEntity = oto.getReferencedEntityName(); if (ef != null) { isContainer = ef instanceof EReference && ((EReference) ef).isContainment(); } else { isContainer = prop.getCascadeStyle().hasOrphanDelete() || prop.getCascadeStyle() == CascadeStyle.ALL; } } else if (prop.getValue() instanceof Collection) { isMany = true; if (ef == null) { // TODO can this happen? isContainer = prop.getCascadeStyle().hasOrphanDelete() || prop.getCascadeStyle() == CascadeStyle.ALL; if (((Collection) prop.getValue()).getElement() instanceof OneToMany) { final Collection coll = (Collection) prop.getValue(); toEntity = ((OneToMany) coll.getElement()).getReferencedEntityName(); } else if (((Collection) prop.getValue()).getElement() instanceof ManyToOne) { final Collection coll = (Collection) prop.getValue(); toEntity = ((ManyToOne) coll.getElement()).getReferencedEntityName(); } else { continue; // throw new HbMapperException("Type " // + ((Collection) // prop.getValue()).getElement().getClass().getName() // + " not supported, property " + // prop.getName()); } } else { // in case of featuremap set containment always on // true because only the featuremap entries // themselves know if they are containment if (ef instanceof EAttribute && ((EAttribute) ef).getEType().getInstanceClass() == Entry.class) { isContainer = true; // composite-elements are not supported. if (!(((Collection) prop.getValue()).getElement() instanceof OneToMany)) { continue; } final OneToMany otm = (OneToMany) ((Collection) prop.getValue()).getElement(); toEntity = otm.getReferencedEntityName(); } else if (ef instanceof EReference) { final EReference er = (EReference) ef; isContainer = er.isContainment(); // prop.getCascadeStyle(). // hasOrphanDelete() // || // prop.getCascadeStyle() // == // CascadeStyle.ALL; toEntity = getEntityNameStrategy() .toEntityName(((EReference) ef).getEReferenceType()); } else if (ef instanceof EAttribute && ef.getEType() instanceof EClass) { // TODO // can // this // ever // happen? isContainer = true; // prop.getCascadeStyle().hasOrphanDelete() // || prop.getCascadeStyle() // == CascadeStyle.ALL; toEntity = getEntityNameStrategy().toEntityName((EClass) ef.getEType()); } // filter out non eobjects else { continue; } } } else { continue; } java.util.List<ReferenceTo> list = result.get(toEntity); if (list == null) { list = new ArrayList<ReferenceTo>(); result.put(toEntity, list); } list.add(new ReferenceTo(getMappedName(pc), prop, isContainer, isMany, toEntity)); } catch (StoreClassLoadException e) { throw new HbMapperException("Class not found using property: " + prop.getName() + " of " + prop, e); } } } // at the end for each class all the refersto of superclasses and // interfaces are added also final ArrayList<EClass> classDone = new ArrayList<EClass>(); for (String em : result.keySet()) { // only do this if not a fme if (!fmes.contains(em)) { setRefersToOfSupers(em, result, classDone); } } return result; }
From source file:tools.xor.util.Hibernate4Support.java
License:Apache License
@Override public boolean isCascaded(Configuration configuration, String entityName, String inputPropertyName) { if (configuration.getClassMapping(entityName) == null) return false; Property property = configuration.getClassMapping(entityName).getProperty(inputPropertyName); CascadeStyle style = property.getCascadeStyle(); return style.doCascade(CascadingActions.SAVE_UPDATE) || style.doCascade(CascadingActions.PERSIST); }