Package org.springframework.data.neo4j.mapping

Examples of org.springframework.data.neo4j.mapping.MappingPolicy

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        if (state != null) return state;
        final S containedState = getPersistentState(entity);
        if (containedState != null) return containedState;
        final Class<?> type = entity.getClass();
        final Neo4jPersistentEntityImpl<?> persistentEntity = mappingContext.getPersistentEntity(type);
        final MappingPolicy mappingPolicy = persistentEntity.getMappingPolicy();
        // todo observe load policy
        if (persistentEntity.isNodeEntity()) {
            if (persistentEntity.isUnique()) return (S)createUniqueNode(persistentEntity,entity);
            return createNode(persistentEntity);
        }
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    public void testCreatePersonWithCreator() {
        Person p = persistedPerson("Rod", 39);
        long nodeId = getNodeId(p);

        Node node = neo4jTemplate.getNode(nodeId);
        final MappingPolicy mappingPolicy = neo4jTemplate.getMappingPolicy(Person.class);
        Person person1 = (Person) neo4jTemplate.createEntityFromStoredType(node, mappingPolicy);
        assertEquals("Rod", person1.getName());
        Person person2 = neo4jTemplate.createEntityFromState(node,Person.class, mappingPolicy);
        assertEquals("Rod", person2.getName());
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    // todo actually cascade !!
    public Object fetch(final Object value, Neo4jPersistentEntity<Object> persistentEntity, Neo4jPersistentProperty property, final MappingPolicy policy, final Neo4jTemplate template) {
        if (value == null) return value;
        //MappingPolicy mappingPolicy = mappingPolicy.combineWith(property.getMappingPolicy());
        final MappingPolicy mappingPolicy = property.getMappingPolicy();
        if (!mappingPolicy.shouldLoad()) return value;
        if (property.getTypeInformation().isCollectionLike()) {
            List<Object> replacement = new ArrayList<Object>();
            for (Object inner : ((Iterable) value)) {
                final BeanWrapper<Object> innerWrapper = BeanWrapper.create(inner, conversionService);
                final PropertyContainer state = entityStateHandler.getPersistentState(inner);
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        }

        @Override
        public Object getValue(final Object entity, MappingPolicy mappingPolicy) {
            checkAndGetNode(entity);
            final MappingPolicy currentPolicy = property.obtainMappingPolicy(mappingPolicy);
            final Set<?> result = property.isTargetTypeEnforced() ?
                    createEntitySetFromRelationshipEndNodesUsingTypeProperty(entity, currentPolicy) :
                    createEntitySetFromRelationshipEndNodes(entity, currentPolicy);

            Set<Object> values = new HashSet<Object>();
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                for (final Map.Entry<Neo4jPersistentProperty, ExistingValue> entry : dirtyCopy.entrySet()) {
                    final Neo4jPersistentProperty property = entry.getKey();
                    Object valueFromEntity = getValueFromEntity(property, MappingPolicy.MAP_FIELD_DIRECT_POLICY);
                    cascadePersist(valueFromEntity);
                    if (log.isDebugEnabled()) log.debug("Flushing dirty Entity new node " + entity + " field " + property+ " with value "+ valueFromEntity);
                    final MappingPolicy mappingPolicy = property.getMappingPolicy();
                    checkConcurrentModification(entity, entry, property, mappingPolicy);
                    delegate.setValue(property, valueFromEntity, mappingPolicy);
                    dirty.remove(property);
                    if (valueFromEntity instanceof DirtyValue) {
                        ((DirtyValue)valueFromEntity).setDirty(false);
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        }

        @Override
        public Object getValue(final Object entity, MappingPolicy mappingPolicy) {
            checkAndGetNode(entity);
            MappingPolicy currentPolicy = property.obtainMappingPolicy(mappingPolicy);
            final Set<?> result = property.isTargetTypeEnforced() ?
                    createEntitySetFromRelationshipEndNodesUsingTypeProperty(entity, currentPolicy) :
                    createEntitySetFromRelationshipEndNodes(entity, currentPolicy);

            if (result.isEmpty()) return doReturn(null);
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Related Classes of org.springframework.data.neo4j.mapping.MappingPolicy

  • org.springframework.data.neo4j.aspects.support.NodeEntityInstantiationTests
  • org.springframework.data.neo4j.fieldaccess.DetachedEntityState
  • org.springframework.data.neo4j.fieldaccess.RelatedToCollectionFieldAccessorFactory$RelatedToCollectionFieldAccessor
  • org.springframework.data.neo4j.fieldaccess.RelatedToSingleFieldAccessorFactory$RelatedToSingleFieldAccessor
  • org.springframework.data.neo4j.support.mapping.EntityStateHandler
  • org.springframework.data.neo4j.support.mapping.Neo4jEntityFetchHandler
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