Examples with PropertyDescriptor org.qi4j.api.property.PropertyDescriptor used on opensource projects

Example 26 with PropertyDescriptor

use of org.qi4j.api.property.PropertyDescriptor in project qi4j-sdk by Qi4j.

the class PropertyEqualityTest method givenValuesOfDifferentTypesWhenTestingPropertyDescriptorEqualityExpectNotEquals.

@Test
public void givenValuesOfDifferentTypesWhenTestingPropertyDescriptorEqualityExpectNotEquals() {
    Some some = buildSomeValue(module);
    ValueDescriptor someDescriptor = qi4j.api().valueDescriptorFor(some);
    PropertyDescriptor someCharPropDesc = someDescriptor.state().findPropertyModelByName("characterProperty");
    Other other = buildOtherValue(module);
    ValueDescriptor otherDescriptor = qi4j.api().valueDescriptorFor(other);
    PropertyDescriptor otherCharPropDesc = otherDescriptor.state().findPropertyModelByName("characterProperty");
    assertThat("PropertyDescriptors not equal", someCharPropDesc, not(equalTo(otherCharPropDesc)));
    assertThat("PropertyDescriptors hashcode not equal", someCharPropDesc.hashCode(), not(equalTo(otherCharPropDesc.hashCode())));
}

Example 27 with PropertyDescriptor

use of org.qi4j.api.property.PropertyDescriptor in project qi4j-sdk by Qi4j.

the class ValueDeserializerAdapter method deserializeValueComposite.

@SuppressWarnings("unchecked")
private <T> T deserializeValueComposite(ValueCompositeType valueCompositeType, Class<?> valueBuilderType, InputNodeType inputNode) throws Exception {
    final Map<String, Object> stateMap = new HashMap<>();
    // Properties
    for (PropertyDescriptor property : valueCompositeType.properties()) {
        String propertyName = property.qualifiedName().name();
        Object value;
        if (objectHasField(inputNode, propertyName)) {
            value = getObjectFieldValue(inputNode, propertyName, buildDeserializeInputNodeFunction(property.valueType()));
            TREE_PARSING_LOG.trace("In deserializeValueComposite(), getObjectFieldValue( {} ) for key {} returned '{}' of class {}", inputNode, propertyName, value, value == null ? "N/A" : value.getClass());
            if (property.isImmutable()) {
                if (value instanceof Set) {
                    value = Collections.unmodifiableSet((Set<?>) value);
                } else if (value instanceof List) {
                    value = Collections.unmodifiableList((List<?>) value);
                } else if (value instanceof Map) {
                    value = Collections.unmodifiableMap((Map<?, ?>) value);
                }
            }
            TREE_PARSING_LOG.trace("Property {}#{}( {} ) deserialized value is '{}' of class {}", property.qualifiedName().type(), property.qualifiedName().name(), property.valueType(), value, value == null ? "N/A" : value.getClass());
        } else {
            // Serialized object does not contain the field, try to default it
            value = property.initialValue(valuesModule());
            TREE_PARSING_LOG.trace("Property {} was not defined in serialized object and has been defaulted to '{}'", property.qualifiedName(), value);
        }
        stateMap.put(propertyName, value);
    }
    // Associations
    for (AssociationDescriptor association : valueCompositeType.associations()) {
        String associationName = association.qualifiedName().name();
        if (objectHasField(inputNode, associationName)) {
            Object value = getObjectFieldValue(inputNode, associationName, buildDeserializeInputNodeFunction(new ValueType(EntityReference.class)));
            stateMap.put(associationName, value);
        }
    }
    // ManyAssociations
    for (AssociationDescriptor manyAssociation : valueCompositeType.manyAssociations()) {
        String manyAssociationName = manyAssociation.qualifiedName().name();
        if (objectHasField(inputNode, manyAssociationName)) {
            Object value = getObjectFieldValue(inputNode, manyAssociationName, buildDeserializeInputNodeFunction(new CollectionType(Collection.class, new ValueType(EntityReference.class))));
            stateMap.put(manyAssociationName, value);
        }
    }
    // NamedAssociations
    for (AssociationDescriptor namedAssociation : valueCompositeType.namedAssociations()) {
        String namedAssociationName = namedAssociation.qualifiedName().name();
        if (objectHasField(inputNode, namedAssociationName)) {
            Object value = getObjectFieldValue(inputNode, namedAssociationName, buildDeserializeInputNodeFunction(MapType.of(String.class, EntityReference.class)));
            stateMap.put(namedAssociationName, value);
        }
    }
    ValueBuilder<?> valueBuilder = buildNewValueBuilderWithState(valueBuilderType, stateMap);
    // Unchecked cast because the builder could use a type != T
    return (T) valueBuilder.newInstance();
}

Example 28 with PropertyDescriptor

use of org.qi4j.api.property.PropertyDescriptor in project qi4j-sdk by Qi4j.

the class MapEntityStoreMixin method writeEntityState.

protected void writeEntityState(DefaultEntityState state, Writer writer, String version, long lastModified) throws EntityStoreException {
    try {
        JSONWriter json = new JSONWriter(writer);
        JSONWriter properties = json.object().key(JSONKeys.IDENTITY).value(state.identity().identity()).key(JSONKeys.APPLICATION_VERSION).value(application.version()).key(JSONKeys.TYPE).value(first(state.entityDescriptor().types()).getName()).key(JSONKeys.VERSION).value(version).key(JSONKeys.MODIFIED).value(lastModified).key(JSONKeys.PROPERTIES).object();
        EntityDescriptor entityType = state.entityDescriptor();
        for (PropertyDescriptor persistentProperty : entityType.state().properties()) {
            Object value = state.properties().get(persistentProperty.qualifiedName());
            json.key(persistentProperty.qualifiedName().name());
            if (value == null || ValueType.isPrimitiveValue(value)) {
                json.value(value);
            } else {
                String serialized = valueSerialization.serialize(value);
                if (serialized.startsWith("{")) {
                    json.value(new JSONObject(serialized));
                } else if (serialized.startsWith("[")) {
                    json.value(new JSONArray(serialized));
                } else {
                    json.value(serialized);
                }
            }
        }
        JSONWriter associations = properties.endObject().key(JSONKeys.ASSOCIATIONS).object();
        for (Map.Entry<QualifiedName, EntityReference> stateNameEntityReferenceEntry : state.associations().entrySet()) {
            EntityReference value = stateNameEntityReferenceEntry.getValue();
            associations.key(stateNameEntityReferenceEntry.getKey().name()).value(value != null ? value.identity() : null);
        }
        JSONWriter manyAssociations = associations.endObject().key(JSONKeys.MANY_ASSOCIATIONS).object();
        for (Map.Entry<QualifiedName, List<EntityReference>> stateNameListEntry : state.manyAssociations().entrySet()) {
            JSONWriter assocs = manyAssociations.key(stateNameListEntry.getKey().name()).array();
            for (EntityReference entityReference : stateNameListEntry.getValue()) {
                assocs.value(entityReference.identity());
            }
            assocs.endArray();
        }
        JSONWriter namedAssociations = manyAssociations.endObject().key(JSONKeys.NAMED_ASSOCIATIONS).object();
        for (Map.Entry<QualifiedName, Map<String, EntityReference>> stateNameMapEntry : state.namedAssociations().entrySet()) {
            JSONWriter assocs = namedAssociations.key(stateNameMapEntry.getKey().name()).object();
            for (Map.Entry<String, EntityReference> namedRef : stateNameMapEntry.getValue().entrySet()) {
                assocs.key(namedRef.getKey()).value(namedRef.getValue().identity());
            }
            assocs.endObject();
        }
        namedAssociations.endObject().endObject();
    } catch (JSONException e) {
        throw new EntityStoreException("Could not store EntityState", e);
    }
}

Example 29 with PropertyDescriptor

use of org.qi4j.api.property.PropertyDescriptor in project qi4j-sdk by Qi4j.

the class PreferencesEntityStoreMixin method entityStateOf.

@Override
public EntityState entityStateOf(EntityStoreUnitOfWork unitOfWork, EntityReference identity) {
    try {
        DefaultEntityStoreUnitOfWork desuw = (DefaultEntityStoreUnitOfWork) unitOfWork;
        Module module = desuw.module();
        if (!root.nodeExists(identity.identity())) {
            throw new NoSuchEntityException(identity, UnknownType.class);
        }
        Preferences entityPrefs = root.node(identity.identity());
        String type = entityPrefs.get("type", null);
        EntityStatus status = EntityStatus.LOADED;
        EntityDescriptor entityDescriptor = module.entityDescriptor(type);
        if (entityDescriptor == null) {
            throw new EntityTypeNotFoundException(type);
        }
        Map<QualifiedName, Object> properties = new HashMap<>();
        Preferences propsPrefs = null;
        for (PropertyDescriptor persistentPropertyDescriptor : entityDescriptor.state().properties()) {
            if (persistentPropertyDescriptor.qualifiedName().name().equals("identity")) {
                // Fake identity property
                properties.put(persistentPropertyDescriptor.qualifiedName(), identity.identity());
                continue;
            }
            if (propsPrefs == null) {
                propsPrefs = entityPrefs.node("properties");
            }
            ValueType propertyType = persistentPropertyDescriptor.valueType();
            Class<?> mainType = propertyType.mainType();
            if (Number.class.isAssignableFrom(mainType)) {
                if (mainType.equals(Long.class)) {
                    properties.put(persistentPropertyDescriptor.qualifiedName(), this.getNumber(propsPrefs, persistentPropertyDescriptor, LONG_PARSER));
                } else if (mainType.equals(Integer.class)) {
                    properties.put(persistentPropertyDescriptor.qualifiedName(), this.getNumber(propsPrefs, persistentPropertyDescriptor, INT_PARSER));
                } else if (mainType.equals(Double.class)) {
                    properties.put(persistentPropertyDescriptor.qualifiedName(), this.getNumber(propsPrefs, persistentPropertyDescriptor, DOUBLE_PARSER));
                } else if (mainType.equals(Float.class)) {
                    properties.put(persistentPropertyDescriptor.qualifiedName(), this.getNumber(propsPrefs, persistentPropertyDescriptor, FLOAT_PARSER));
                } else {
                    // Load as string even though it's a number
                    String json = propsPrefs.get(persistentPropertyDescriptor.qualifiedName().name(), null);
                    Object value;
                    if (json == null) {
                        value = null;
                    } else {
                        value = valueSerialization.deserialize(persistentPropertyDescriptor.valueType(), json);
                    }
                    properties.put(persistentPropertyDescriptor.qualifiedName(), value);
                }
            } else if (mainType.equals(Boolean.class)) {
                Boolean initialValue = (Boolean) persistentPropertyDescriptor.initialValue(module);
                properties.put(persistentPropertyDescriptor.qualifiedName(), propsPrefs.getBoolean(persistentPropertyDescriptor.qualifiedName().name(), initialValue == null ? false : initialValue));
            } else if (propertyType instanceof ValueCompositeType || propertyType instanceof MapType || propertyType instanceof CollectionType || propertyType instanceof EnumType) {
                String json = propsPrefs.get(persistentPropertyDescriptor.qualifiedName().name(), null);
                Object value;
                if (json == null) {
                    value = null;
                } else {
                    value = valueSerialization.deserialize(persistentPropertyDescriptor.valueType(), json);
                }
                properties.put(persistentPropertyDescriptor.qualifiedName(), value);
            } else {
                String json = propsPrefs.get(persistentPropertyDescriptor.qualifiedName().name(), null);
                if (json == null) {
                    if (persistentPropertyDescriptor.initialValue(module) != null) {
                        properties.put(persistentPropertyDescriptor.qualifiedName(), persistentPropertyDescriptor.initialValue(module));
                    } else {
                        properties.put(persistentPropertyDescriptor.qualifiedName(), null);
                    }
                } else {
                    Object value = valueSerialization.deserialize(propertyType, json);
                    properties.put(persistentPropertyDescriptor.qualifiedName(), value);
                }
            }
        }
        // Associations
        Map<QualifiedName, EntityReference> associations = new HashMap<>();
        Preferences assocs = null;
        for (AssociationDescriptor associationType : entityDescriptor.state().associations()) {
            if (assocs == null) {
                assocs = entityPrefs.node("associations");
            }
            String associatedEntity = assocs.get(associationType.qualifiedName().name(), null);
            EntityReference value = associatedEntity == null ? null : EntityReference.parseEntityReference(associatedEntity);
            associations.put(associationType.qualifiedName(), value);
        }
        // ManyAssociations
        Map<QualifiedName, List<EntityReference>> manyAssociations = new HashMap<>();
        Preferences manyAssocs = null;
        for (AssociationDescriptor manyAssociationType : entityDescriptor.state().manyAssociations()) {
            if (manyAssocs == null) {
                manyAssocs = entityPrefs.node("manyassociations");
            }
            List<EntityReference> references = new ArrayList<>();
            String entityReferences = manyAssocs.get(manyAssociationType.qualifiedName().name(), null);
            if (entityReferences == null) {
                // ManyAssociation not found, default to empty one
                manyAssociations.put(manyAssociationType.qualifiedName(), references);
            } else {
                String[] refs = entityReferences.split("\n");
                for (String ref : refs) {
                    EntityReference value = ref == null ? null : EntityReference.parseEntityReference(ref);
                    references.add(value);
                }
                manyAssociations.put(manyAssociationType.qualifiedName(), references);
            }
        }
        // NamedAssociations
        Map<QualifiedName, Map<String, EntityReference>> namedAssociations = new HashMap<>();
        Preferences namedAssocs = null;
        for (AssociationDescriptor namedAssociationType : entityDescriptor.state().namedAssociations()) {
            if (namedAssocs == null) {
                namedAssocs = entityPrefs.node("namedassociations");
            }
            Map<String, EntityReference> references = new LinkedHashMap<>();
            String entityReferences = namedAssocs.get(namedAssociationType.qualifiedName().name(), null);
            if (entityReferences == null) {
                // NamedAssociation not found, default to empty one
                namedAssociations.put(namedAssociationType.qualifiedName(), references);
            } else {
                String[] namedRefs = entityReferences.split("\n");
                if (namedRefs.length % 2 != 0) {
                    throw new EntityStoreException("Invalid NamedAssociation storage format");
                }
                for (int idx = 0; idx < namedRefs.length; idx += 2) {
                    String name = namedRefs[idx];
                    String ref = namedRefs[idx + 1];
                    references.put(name, EntityReference.parseEntityReference(ref));
                }
                namedAssociations.put(namedAssociationType.qualifiedName(), references);
            }
        }
        return new DefaultEntityState(desuw, entityPrefs.get("version", ""), entityPrefs.getLong("modified", unitOfWork.currentTime()), identity, status, entityDescriptor, properties, associations, manyAssociations, namedAssociations);
    } catch (ValueSerializationException | BackingStoreException e) {
        throw new EntityStoreException(e);
    }
}

Example 30 with PropertyDescriptor

use of org.qi4j.api.property.PropertyDescriptor in project qi4j-sdk by Qi4j.

the class NeoEntityState method propertyValueOf.

@Override
public Object propertyValueOf(QualifiedName stateName) {
    try {
        PropertyDescriptor persistentProperty = entityDescriptor().state().findPropertyModelByQualifiedName(stateName);
        Object prop = underlyingNode.getProperty("prop::" + stateName.toString(), null);
        if (prop == null) {
            return null;
        } else if (ValueType.isPrimitiveValueType(persistentProperty.valueType())) {
            return prop;
        } else {
            return valueSerialization.deserialize(persistentProperty.valueType(), prop.toString());
        }
    } catch (ValueSerializationException e) {
        throw new EntityStoreException(e);
    }
}