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

Example 71 with ClassInfo

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

the class InvalidMetadataAutoIndexManagerTest method shouldCheckPropertiesMatchFieldNames.

@Test(expected = MetadataException.class)
public void shouldCheckPropertiesMatchFieldNames() {
    MetaData metadata = new MetaData(WrongPropertyCompositeIndexEntity.class.getName());
    ClassInfo classInfo = metadata.classInfo(WrongPropertyCompositeIndexEntity.class.getName());
    classInfo.getCompositeIndexes();
}

Example 72 with ClassInfo

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

the class InvalidMetadataAutoIndexManagerTest method shouldCheckPropertiesExistsForCompositeIndex.

@Test(expected = MetadataException.class)
public void shouldCheckPropertiesExistsForCompositeIndex() {
    MetaData metadata = new MetaData(NoPropertyCompositeIndexEntity.class.getName());
    ClassInfo classInfo = metadata.classInfo(NoPropertyCompositeIndexEntity.class.getName());
    classInfo.getCompositeIndexes();
}

Example 73 with ClassInfo

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

the class EntityUtils method identity.

/**
 * Return native id of given node or relationship entity.
 * If the id field is null the field is set to unique negative refId, which is then returned.
 * You most likely want to use {@link org.neo4j.ogm.context.MappingContext#nativeId(Object)}
 *
 * @param entity   entity
 * @param metaData metadata
 * @return native id or refId
 */
public static Long identity(Object entity, MetaData metaData) {
    ClassInfo classInfo = metaData.classInfo(entity);
    FieldInfo identityField = classInfo.identityField();
    Object id = identityField.readProperty(entity);
    if (id == null) {
        Long generated = idSequence.decrementAndGet();
        identityField.write(entity, generated);
        return generated;
    } else {
        return (Long) id;
    }
}

Example 74 with ClassInfo

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

the class RequestExecutor method updateNodeEntities.

/**
 * Update the mapping context with entity ids for new/existing nodes created or updated in the request.
 *
 * @param context           the compile context
 * @param entityRefMappings mapping of entity reference used in the compile context and the entity id from the database
 */
private void updateNodeEntities(CompileContext context, List<ReferenceMapping> entityRefMappings) {
    // Ensures the last saved version of existing nodes is current in the cache
    for (Object obj : context.registry()) {
        if (!(obj instanceof TransientRelationship)) {
            ClassInfo classInfo = session.metaData().classInfo(obj);
            if (!classInfo.isRelationshipEntity()) {
                session.context().optionalNativeId(obj).filter(id -> id >= 0).ifPresent(id -> {
                    LOGGER.debug("updating existing node id: {}, {}", id, obj);
                    registerEntity(session.context(), classInfo, id, obj);
                });
            }
        }
    }
    // Ensures newly created nodes are current in the cache and also assigns their new graph ids
    for (ReferenceMapping referenceMapping : entityRefMappings) {
        // by a reference mapping will always have identical 'ref' and 'id' values.
        if (!(referenceMapping.ref.equals(referenceMapping.id))) {
            Object newEntity = context.getNewObject(referenceMapping.ref);
            LOGGER.debug("creating new node id: {}, {}, {}", referenceMapping.ref, referenceMapping.id, newEntity);
            initialiseNewEntity(referenceMapping.id, newEntity);
        }
    }
}

Example 75 with ClassInfo

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

the class RequestExecutor method updateRelationshipEntities.

/**
 * Update the mapping context with entity ids for new/existing relationship entities created in a request.
 *
 * @param context                       the compile context
 * @param relationshipEntityRefMappings mapping of relationship entity reference used in the compile context and the entity id from the database
 */
private void updateRelationshipEntities(CompileContext context, List<ReferenceMapping> relationshipEntityRefMappings) {
    for (ReferenceMapping referenceMapping : relationshipEntityRefMappings) {
        if (referenceMapping.ref.equals(referenceMapping.id)) {
            Object existingRelationshipEntity = session.context().getRelationshipEntity(referenceMapping.id);
            // not all relationship ids represent relationship entities
            if (existingRelationshipEntity != null) {
                LOGGER.debug("updating existing relationship entity id: {}", referenceMapping.id);
                ClassInfo classInfo = session.metaData().classInfo(existingRelationshipEntity);
                registerEntity(session.context(), classInfo, referenceMapping.id, existingRelationshipEntity);
            }
        } else {
            Object newRelationshipEntity = context.getNewObject(referenceMapping.ref);
            // not all relationship ids represent relationship entities
            if (newRelationshipEntity != null) {
                LOGGER.debug("creating new relationship entity id: {}", referenceMapping.id);
                initialiseNewEntity(referenceMapping.id, newRelationshipEntity);
            }
        }
    }
}