Examples with ClassInfo org.neo4j.ogm.metadata.ClassInfo used on opensource projects

Example 76 with ClassInfo

use of org.neo4j.ogm.metadata.ClassInfo in project neo4j-ogm by neo4j.

the class SaveEventDelegate method dirty.

// returns true if the object in question is dirty (has changed)
// an object is dirty if either or both of:
// - its properties have changed
// - its relationships has changed
private boolean dirty(Object parent) {
    // have any properties changed
    if (this.session.context().isDirty(parent)) {
        logger.debug("dirty: {}", parent);
        return true;
    }
    ClassInfo parentInfo = this.session.metaData().classInfo(parent);
    long parentId = session.context().nativeId(parent);
    // an RE cannot contain additional refs because hyperedges are forbidden in Neo4j
    if (!parentInfo.isRelationshipEntity()) {
        // build the set of mapped relationships for this object. if there any new ones, the object is dirty
        for (FieldInfo reader : relationalReaders(parent)) {
            clearPreviousRelationships(parentId, reader);
            for (MappedRelationship mappable : map(parentInfo, parentId, reader.read(parent), reader)) {
                if (isNew(mappable)) {
                    logger.debug("added new relationship: {} to {}", mappable, parent);
                    this.addedRelationships.add(mappable);
                    return true;
                }
                this.registeredRelationships.add(mappable);
                // no longer deleted
                this.deletedRelationships.remove(mappable);
            }
        }
        for (MappedRelationship previous : session.context().getRelationships()) {
            if (isDeleted(previous) && (previous.getStartNodeId() == parentId || previous.getEndNodeId() == parentId)) {
                logger.debug("deleted: {} from {}", previous, parent);
                return true;
            }
        }
    }
    return false;
}

Example 77 with ClassInfo

use of org.neo4j.ogm.metadata.ClassInfo in project neo4j-ogm by neo4j.

the class SessionDelegate method resolveRelationshipType.

private void resolveRelationshipType(Filter filter) {
    ClassInfo classInfo = session.metaData().classInfo(filter.getOwnerEntityType().getName());
    FieldInfo fieldInfo = classInfo.relationshipFieldByName(filter.getNestedPropertyName());
    String defaultRelationshipType = RelationshipUtils.inferRelationshipType(filter.getNestedPropertyName());
    updateRelationship(filter, fieldInfo, defaultRelationshipType);
}

Example 78 with ClassInfo

use of org.neo4j.ogm.metadata.ClassInfo in project neo4j-ogm by neo4j.

the class SessionDelegate method resolvePropertyAnnotations.

void resolvePropertyAnnotations(Class entityType, Iterable<Filter> filters) {
    for (Filter filter : filters) {
        if (filter.getOwnerEntityType() == null) {
            filter.setOwnerEntityType(entityType);
        }
        String propertyName = resolvePropertyName(filter.getOwnerEntityType(), filter.getPropertyName());
        Filter.setNameFromProperty(filter, propertyName);
        ClassInfo classInfo = session.metaData().classInfo(entityType.getName());
        FieldInfo fieldInfo = classInfo.getFieldInfo(filter.getPropertyName());
        if (fieldInfo != null) {
            filter.setPropertyConverter(fieldInfo.getPropertyConverter());
        }
        if (filter.isNested()) {
            resolveRelationshipType(filter);
            ClassInfo nestedClassInfo = session.metaData().classInfo(filter.getNestedPropertyType().getName());
            filter.setNestedEntityTypeLabel(session.metaData().entityType(nestedClassInfo.name()));
            if (session.metaData().isRelationshipEntity(nestedClassInfo.name())) {
                filter.setNestedRelationshipEntity(true);
            }
        } else if (filter.isDeepNested()) {
            Class parentOwnerType = filter.getOwnerEntityType();
            for (Filter.NestedPathSegment nestedPathSegment : filter.getNestedPath()) {
                resolveRelationshipType(parentOwnerType, nestedPathSegment);
                ClassInfo nestedClassInfo = session.metaData().classInfo(nestedPathSegment.getPropertyType().getName());
                nestedPathSegment.setNestedEntityTypeLabel(session.metaData().entityType(nestedClassInfo.name()));
                if (session.metaData().isRelationshipEntity(nestedClassInfo.name())) {
                    nestedPathSegment.setNestedRelationshipEntity(true);
                }
                parentOwnerType = nestedPathSegment.getPropertyType();
            }
        }
    }
}

Example 79 with ClassInfo

use of org.neo4j.ogm.metadata.ClassInfo in project neo4j-ogm by neo4j.

the class SessionDelegate method resolveRelationshipType.

private void resolveRelationshipType(Class parentOwnerType, Filter.NestedPathSegment segment) {
    ClassInfo classInfo = session.metaData().classInfo(parentOwnerType.getName());
    FieldInfo fieldInfo = classInfo.relationshipFieldByName(segment.getPropertyName());
    String defaultRelationshipType = RelationshipUtils.inferRelationshipType(segment.getPropertyName());
    updateRelationship(segment, fieldInfo, defaultRelationshipType);
}

Example 80 with ClassInfo

use of org.neo4j.ogm.metadata.ClassInfo in project neo4j-ogm by neo4j.

the class EntityUtils method setIdentity.

public static void setIdentity(Object entity, Long identity, MetaData metaData) {
    ClassInfo classInfo = metaData.classInfo(entity);
    if (classInfo.hasIdentityField()) {
        FieldInfo identityField = classInfo.identityField();
        identityField.write(entity, identity);
    } else if (identity == null) {
        // Reset any generated field if the new value is null in case the generated values is not an internal id.
        classInfo.fieldsInfo().fields().stream().filter(f -> f.getAnnotations().has(Id.class) && f.getAnnotations().has(GeneratedValue.class)).findFirst().ifPresent(generatedField -> generatedField.write(entity, null));
    }
}