private static Map collectProperties()

in neo4j/src/main/java/org/hibernate/ogm/datastore/neo4j/embedded/dialect/impl/EmbeddedNeo4jTupleAssociationSnapshot.java [38:111]
61 lines of code
16 McCabe index (conditional complexity)

	private static Map<String, Object> collectProperties(Relationship relationship, AssociationKey associationKey, AssociatedEntityKeyMetadata associatedEntityKeyMetadata) {
		Map<String, Object> properties = new HashMap<String, Object>();
		String[] rowKeyColumnNames = associationKey.getMetadata().getRowKeyColumnNames();

		Node ownerNode = findOwnerNode( relationship, associationKey );
		Node targetNode = findTargetNode( relationship, associationKey, ownerNode );

		// Index columns
		for ( int i = 0; i < rowKeyColumnNames.length; i++ ) {
			if ( relationship.hasProperty( rowKeyColumnNames[i] ) ) {
				properties.put( rowKeyColumnNames[i], relationship.getProperty( rowKeyColumnNames[i] ) );
			}
		}

		// Properties stored in the target side of the association
		for ( String associationColumn : associatedEntityKeyMetadata.getAssociationKeyColumns() ) {
			String targetColumnName = associatedEntityKeyMetadata.getCorrespondingEntityKeyColumn( associationColumn );
			if ( isPartOfEmbedded( targetColumnName ) ) {
				// Embedded column
				String collectionRole = associationKey.getMetadata().getCollectionRole();
				if ( targetColumnName.equals( collectionRole ) ) {
					// Ex: @ElementCollection List<String> examples
					targetColumnName = targetColumnName.substring( targetColumnName.lastIndexOf( "." ) + 1 );
					if ( targetNode.hasProperty( targetColumnName ) ) {
						properties.put( associationColumn, targetNode.getProperty( targetColumnName ) );
					}
				}
				else if ( targetNode.hasProperty( targetColumnName ) ) {
					// Embedded id
					properties.put( associationColumn, targetNode.getProperty( targetColumnName ) );
				}
				else {
					// Ex: @ElementCollection List<Embedded> examples
					Node embeddedNode = targetNode;

					if ( targetColumnName.startsWith( collectionRole ) ) {
						targetColumnName = targetColumnName.substring( collectionRole.length() + 1 );
					}

					String[] split = split( targetColumnName );
					boolean found = true;
					for ( int i = 0; i < split.length - 1; i++ ) {
						Iterator<Relationship> iterator = embeddedNode.getRelationships( Direction.OUTGOING, withName( split[i] ) ).iterator();
						if ( iterator.hasNext() ) {
							embeddedNode = iterator.next().getEndNode();
						}
						else {
							found = false;
							break;
						}
					}
					if ( found ) {
						targetColumnName = targetColumnName.substring( targetColumnName.lastIndexOf( "." ) + 1 );
						if ( embeddedNode.hasProperty( targetColumnName ) ) {
							properties.put( associationColumn, embeddedNode.getProperty( targetColumnName ) );
						}
					}
				}
			}
			else {
				if ( targetNode.hasProperty( targetColumnName ) ) {
					properties.put( associationColumn, targetNode.getProperty( targetColumnName ) );
				}
			}
		}

		// Property stored in the owner side of the association
		for ( int i = 0; i < associationKey.getColumnNames().length; i++ ) {
			if ( ownerNode.hasProperty( associationKey.getEntityKey().getColumnNames()[i] ) ) {
				properties.put( associationKey.getColumnNames()[i], ownerNode.getProperty( associationKey.getEntityKey().getColumnNames()[i] ) );
			}
		}
		return properties;
	}