Package org.springframework.data.neo4j.mapping

Examples of org.springframework.data.neo4j.mapping.IndexInfo

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        return myAssociation;
    }

    private IndexInfo extractIndexInfo() {
        final Indexed annotation = getAnnotation(Indexed.class);
        return annotation!=null ? new IndexInfo(annotation,this) : null;
    }
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    private Node createUniqueNode(Neo4jPersistentEntityImpl<?> persistentEntity, Object entity) {
        Neo4jPersistentProperty uniqueProperty = persistentEntity.getUniqueProperty();
        final Object value = getSerializedUniqueValue(entity, uniqueProperty);
        if (value==null) throw new MappingException("Error creating "+uniqueProperty.getOwner().getName()+" with "+entity+" unique property "+uniqueProperty.getName()+" has null value");
        final IndexInfo indexInfo = uniqueProperty.getIndexInfo();
        if (indexInfo.isLabelBased()) {
            return (indexInfo.isFailOnDuplicate())
                    ? graphDatabase.createNode(map(uniqueProperty.getName(),value),persistentEntity.getAllLabels())
                    : graphDatabase.merge(indexInfo.getIndexName(), indexInfo.getIndexKey(), value, Collections.<String,Object>emptyMap(), persistentEntity.getAllLabels());
        } else {
            return graphDatabase.getOrCreateNode(indexInfo.getIndexName(), indexInfo.getIndexKey(), value, Collections.<String,Object>emptyMap(),persistentEntity.getAllLabels());
        }
    }
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        final Neo4jPersistentProperty endNodeProperty = relationshipProperties.getEndNodeProperty();
        Node endNode = (Node) getPersistentState(endNodeProperty.getValue(entity, endNodeProperty.getMappingPolicy()));
        RelationshipType relationshipType = getRelationshipType(persistentEntity,entity, annotationProvidedRelationshipType );
        if (persistentEntity.isUnique()) {
            final Neo4jPersistentProperty uniqueProperty = persistentEntity.getUniqueProperty();
            final IndexInfo indexInfo = uniqueProperty.getIndexInfo();
            final Object value = uniqueProperty.getValueFromEntity(entity, MappingPolicy.MAP_FIELD_DIRECT_POLICY);
            if (value == null) {
                throw new MappingException("Error creating "+uniqueProperty.getOwner().getName()+" with "+entity+" unique property "+uniqueProperty.getName()+" has null value");
            }
            return (S) graphDatabase.getOrCreateRelationship(indexInfo.getIndexName(),indexInfo.getIndexKey(), value, startNode,endNode,relationshipType.name(), Collections.<String,Object>emptyMap());
        }
        return (S) graphDatabase.createRelationship(startNode, endNode, relationshipType, Collections.<String,Object>emptyMap());
    }
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    public Node createUniqueNode(Object entity)  {
        final Neo4jPersistentEntityImpl<?> persistentEntity = getPersistentEntity(entity.getClass());
        final Neo4jPersistentProperty uniqueProperty = persistentEntity.getUniqueProperty();
        Object value = uniqueProperty.getValueFromEntity(entity, MappingPolicy.MAP_FIELD_DIRECT_POLICY);
        if (value == null) return createNode();
        final IndexInfo indexInfo = uniqueProperty.getIndexInfo();
        if (indexInfo.isLabelBased()) {
            return (indexInfo.isFailOnDuplicate())
                ? getGraphDatabase().createNode(map(uniqueProperty.getName(),value),persistentEntity.getAllLabels())
                : getGraphDatabase().merge(indexInfo.getIndexName(),indexInfo.getIndexKey(),value, Collections.<String,Object>emptyMap(), persistentEntity.getAllLabels());
        } else {
            if (value instanceof Number && indexInfo.isNumeric()) value = ValueContext.numeric((Number) value);
            return getGraphDatabase().getOrCreateNode(indexInfo.getIndexName(), indexInfo.getIndexKey(), value, Collections.<String, Object>emptyMap(), persistentEntity.getAllLabels());
        }
    }
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        Result<Node> results = findAllNodes(property, value);
        return results.<T>to((Class<T>) property.getOwner().getType());
    }

    private Result<Node> findAllNodes(Neo4jPersistentProperty property, Object value) {
        IndexInfo indexInfo = property.getIndexInfo();
        String label = indexInfo.getIndexName();
        String prop = getName(property);
        String query = findByLabelAndPropertyQuery(label, prop);
        return cypher.query(query, map("value", value)).to(Node.class);
    }
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Related Classes of org.springframework.data.neo4j.mapping.IndexInfo

  • org.springframework.data.neo4j.support.mapping.EntityStateHandler
  • org.springframework.data.neo4j.support.mapping.Neo4jPersistentPropertyImpl
  • org.springframework.data.neo4j.support.mapping.StoredEntityType
  • org.springframework.data.neo4j.support.Neo4jTemplate
  • org.springframework.data.neo4j.support.schema.SchemaIndexProvider
  • org.springframework.data.mapping.model.MappingException
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