Example usage for org.springframework.data.mapping PersistentProperty isVersionProperty

Introduction

In this page you can find the example usage for org.springframework.data.mapping PersistentProperty isVersionProperty.

Prototype

boolean isVersionProperty();

Source Link

Document

Returns whether the current property is a potential version property of the owning PersistentEntity .

Usage

From source file:org.springframework.data.rest.webmvc.json.DomainObjectReader.java

/**
 * Reads the given source node onto the given target object and applies PUT semantics, i.e. explicitly
 * // w w w. ja v  a 2 s. c om
 * @param source must not be {@literal null}.
 * @param target must not be {@literal null}.
 * @param mapper
 * @return
 */
public <T> T readPut(final ObjectNode source, T target, final ObjectMapper mapper) {

    Assert.notNull(source, "ObjectNode must not be null!");
    Assert.notNull(target, "Existing object instance must not be null!");
    Assert.notNull(mapper, "ObjectMapper must not be null!");

    Class<? extends Object> type = target.getClass();

    final PersistentEntity<?, ?> entity = entities.getPersistentEntity(type);

    Assert.notNull(entity, "No PersistentEntity found for ".concat(type.getName()).concat("!"));

    final MappedProperties properties = getJacksonProperties(entity, mapper);

    entity.doWithProperties(new SimplePropertyHandler() {

        /*
         * (non-Javadoc)
         * @see org.springframework.data.mapping.SimplePropertyHandler#doWithPersistentProperty(org.springframework.data.mapping.PersistentProperty)
         */
        @Override
        public void doWithPersistentProperty(PersistentProperty<?> property) {

            if (property.isIdProperty() || property.isVersionProperty()) {
                return;
            }

            String mappedName = properties.getMappedName(property);

            boolean isMappedProperty = mappedName != null;
            boolean noValueInSource = !source.has(mappedName);

            if (isMappedProperty && noValueInSource) {
                source.putNull(mappedName);
            }
        }
    });

    return merge(source, target, mapper);
}

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From source file:org.springframework.data.rest.webmvc.json.PersistentEntityToJsonSchemaConverter.java

private List<AbstractJsonSchemaProperty<?>> getPropertiesFor(Class<?> type, final ResourceMetadata metadata,
        final Definitions definitions) {

    final PersistentEntity<?, ?> entity = entities.getPersistentEntity(type);
    final JacksonMetadata jackson = new JacksonMetadata(objectMapper, type);

    if (entity == null) {
        return Collections.<AbstractJsonSchemaProperty<?>>emptyList();
    }//from   www.j  av a2  s.c o m

    JsonSchemaPropertyRegistrar registrar = new JsonSchemaPropertyRegistrar(jackson);

    for (BeanPropertyDefinition definition : jackson) {

        PersistentProperty<?> persistentProperty = entity.getPersistentProperty(definition.getInternalName());

        // First pass, early drops to avoid unnecessary calculation
        if (persistentProperty != null) {

            if (persistentProperty.isIdProperty() && !configuration.isIdExposedFor(type)) {
                continue;
            }

            if (persistentProperty.isVersionProperty()) {
                continue;
            }

            if (!definition.couldSerialize()) {
                continue;
            }
        }

        AnnotatedMember primaryMember = definition.getPrimaryMember();

        if (primaryMember == null) {
            continue;
        }

        TypeInformation<?> propertyType = persistentProperty == null
                ? ClassTypeInformation.from(primaryMember.getRawType())
                : persistentProperty.getTypeInformation();
        TypeInformation<?> actualPropertyType = propertyType.getActualType();
        Class<?> rawPropertyType = propertyType.getType();

        JsonSchemaFormat format = configuration.getMetadataConfiguration().getSchemaFormatFor(rawPropertyType);
        ResourceDescription description = persistentProperty == null
                ? jackson.getFallbackDescription(metadata, definition)
                : getDescriptionFor(persistentProperty, metadata);
        JsonSchemaProperty property = getSchemaProperty(definition, propertyType, description);

        boolean isSyntheticProperty = persistentProperty == null;
        boolean isNotWritable = !isSyntheticProperty && !persistentProperty.isWritable();
        boolean isJacksonReadOnly = !isSyntheticProperty && jackson.isReadOnly(persistentProperty);

        if (isSyntheticProperty || isNotWritable || isJacksonReadOnly) {
            property = property.withReadOnly();
        }

        if (format != null) {

            // Types with explicitly registered format -> value object with format
            registrar.register(property.withFormat(format), actualPropertyType);
            continue;
        }

        Pattern pattern = configuration.getMetadataConfiguration().getPatternFor(rawPropertyType);

        if (pattern != null) {
            registrar.register(property.withPattern(pattern), actualPropertyType);
            continue;
        }

        if (jackson.isValueType()) {
            registrar.register(property.with(STRING_TYPE_INFORMATION), actualPropertyType);
            continue;
        }

        if (persistentProperty == null) {
            registrar.register(property, actualPropertyType);
            continue;
        }

        if (configuration.isLookupType(persistentProperty.getActualType())) {
            registrar.register(property.with(propertyType), actualPropertyType);
        } else if (associations.isLinkableAssociation(persistentProperty)) {
            registrar.register(property.asAssociation(), null);
        } else {

            if (persistentProperty.isEntity()) {

                if (!definitions.hasDefinitionFor(propertyType)) {
                    definitions.addDefinition(propertyType,
                            new Item(propertyType, getNestedPropertiesFor(persistentProperty, definitions)));
                }

                registrar.register(property.with(propertyType, Definitions.getReference(propertyType)),
                        actualPropertyType);

            } else {

                registrar.register(property.with(propertyType), actualPropertyType);
            }
        }
    }

    return registrar.getProperties();
}

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