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

Example 11 with ClassInfo

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

the class IdentityMap method getSnapshotOf.

/**
 * Returns the snapshot for the given id. The snapshot contains the corresponding entity's dynamic labels and properties
 * as stored during initial load of the entity.
 *
 * @param entity   the entity whos snapshot should be retrieved
 * @param entityId the native id of the entity
 * @return A snapshot of dynamic labels and properties or an empty optional.
 */
Optional<EntitySnapshot> getSnapshotOf(Object entity, Long entityId) {
    EntitySnapshot entitySnapshot;
    ClassInfo classInfo = metaData.classInfo(entity);
    if (metaData.isRelationshipEntity(classInfo.name())) {
        entitySnapshot = this.snapshotsOfRelationshipEntities.get(entityId);
    } else {
        entitySnapshot = this.snapshotsOfNodeEntities.get(entityId);
    }
    return Optional.ofNullable(entitySnapshot);
}

Example 12 with ClassInfo

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

the class MappingContext method replaceRelationshipEntity.

public void replaceRelationshipEntity(Object entity, Long id) {
    relationshipEntityRegister.remove(id);
    ClassInfo classInfo = metaData.classInfo(entity);
    if (classInfo.hasPrimaryIndexField()) {
        final Object primaryIndexValue = classInfo.readPrimaryIndexValueOf(entity);
        LabelPrimaryId labelPrimaryId = LabelPrimaryId.of(classInfo, primaryIndexValue);
        primaryIdToRelationship.remove(labelPrimaryId);
        primaryIdToNativeId.remove(labelPrimaryId);
    }
    addRelationshipEntity(entity, id);
}

Example 13 with ClassInfo

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

the class MappingContext method addRelationshipEntity.

public Object addRelationshipEntity(Object relationshipEntity, Long id) {
    if (relationshipEntityRegister.putIfAbsent(id, relationshipEntity) == null) {
        relationshipEntity = relationshipEntityRegister.get(id);
        remember(relationshipEntity, id);
        ClassInfo classInfo = metaData.classInfo(relationshipEntity);
        if (classInfo.hasPrimaryIndexField()) {
            final Object primaryIndexValue = classInfo.readPrimaryIndexValueOf(relationshipEntity);
            LabelPrimaryId labelPrimaryId = LabelPrimaryId.of(classInfo, primaryIndexValue);
            primaryIdToRelationship.put(labelPrimaryId, relationshipEntity);
            primaryIdToNativeId.put(labelPrimaryId, id);
        }
    }
    return relationshipEntity;
}

Example 14 with ClassInfo

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

the class MappingContext method addNodeEntity.

/**
 * Adds an entity to the MappingContext.
 *
 * @param entity The object to add.
 * @param id
 * @return The object added, never null.
 */
public Object addNodeEntity(Object entity, Long id) {
    ClassInfo classInfo = metaData.classInfo(entity);
    if (!nodeEntityRegister.containsKey(id)) {
        nodeEntityRegister.put(id, entity);
        final Object primaryIndexValue = classInfo.readPrimaryIndexValueOf(entity);
        if (primaryIndexValue != null) {
            LabelPrimaryId key = LabelPrimaryId.of(classInfo, primaryIndexValue);
            primaryIndexNodeRegister.putIfAbsent(key, entity);
            primaryIdToNativeId.put(key, id);
        }
        remember(entity, id);
    }
    return entity;
}

Example 15 with ClassInfo

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

the class MappingContext method optionalNativeId.

/**
 * This method does not trigger a possible {@link IdStrategy} while accessing the identiy- or primary index field.
 *
 * @param entity The entity in question
 * @return An optional native id.
 */
public Optional<Long> optionalNativeId(Object entity) {
    ClassInfo classInfo = metaData.classInfo(entity);
    if (classInfo == null) {
        throw new IllegalArgumentException("Class " + entity.getClass() + " is not a valid entity class. " + "Please check the entity mapping.");
    }
    if (classInfo.hasIdentityField()) {
        FieldInfo identityField = classInfo.identityField();
        Object value = identityField.readProperty(entity);
        return Optional.ofNullable((Long) value);
    } else {
        Object primaryIndexValue = classInfo.readPrimaryIndexValueOf(entity);
        return Optional.ofNullable(primaryIndexValue).map(v -> primaryIdToNativeId.get(LabelPrimaryId.of(classInfo, v)));
    }
}