com.orientechnologies.orient.neo4jimporter

Class ONeo4jImporterUtils

java.lang.Object

com.orientechnologies.orient.neo4jimporter.ONeo4jImporterUtils

public class ONeo4jImporterUtils
extends Object

Created by frank on 13/11/2016.

Constructor Summary

Constructors

Constructor and Description
ONeo4jImporterUtils()

Method Summary

Modifier and Type	Method and Description
static String	checkVertexClassCreation(String neo4jLabel, com.orientechnologies.orient.core.db.document.ODatabaseDocument odb) It's used during the schema migration to import constraints and indices defined in neo4j on an empty set of nodes.
static boolean	createOrientDBProperty(org.neo4j.driver.v1.Session session, String neo4jLabel, String orientDBIndexClass, String neo4jPropKey, com.orientechnologies.orient.core.db.document.ODatabaseDocument oDb, String myNeo4jConstraintType)
static String	getNeo4jPropType(Object myPropertyValue)
static com.orientechnologies.orient.core.metadata.schema.OType	mapNeo4JToOrientDBPropertyType(String myNeo4jPropType)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ONeo4jImporterUtils

public ONeo4jImporterUtils()

Method Detail

checkVertexClassCreation

public static String checkVertexClassCreation(String neo4jLabel,
                                              com.orientechnologies.orient.core.db.document.ODatabaseDocument odb)

It's used during the schema migration to import constraints and indices defined in neo4j on an empty set of nodes. Thus is used when no OrientDB class was defined for an empty set of nodes, but it must be defined due to some constraints or indexes.

It checks if the nodes with label passed as parameter have been imported in the MultipleLabelNeo4jConversion class. If no vertices were imported with the passed label (among the other labels) the correspondent class does not exist, and so: 1. the vertex class is created as part of the schema migration 2. its indices (and corresponding properties) are created

createOrientDBProperty

public static boolean createOrientDBProperty(org.neo4j.driver.v1.Session session,
                                             String neo4jLabel,
                                             String orientDBIndexClass,
                                             String neo4jPropKey,
                                             com.orientechnologies.orient.core.db.document.ODatabaseDocument oDb,
                                             String myNeo4jConstraintType)

mapNeo4JToOrientDBPropertyType

public static com.orientechnologies.orient.core.metadata.schema.OType mapNeo4JToOrientDBPropertyType(String myNeo4jPropType)

getNeo4jPropType

public static String getNeo4jPropType(Object myPropertyValue)