org.datanucleus.store.mapped.mapping
Class MappingHelper

java.lang.Object
  org.datanucleus.store.mapped.mapping.MappingHelper

public class MappingHelper
extends java.lang.Object

Helper class for handling mappings.

Constructor Summary

MappingHelper()

Method Summary

static int[]

getMappingIndices(int initialPosition, JavaTypeMapping mapping) Convenience method to return an array of positions for datastore columns for the supplied mapping and the initial position value.

Methods inherited from class java.lang.Object

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

Constructor Detail

MappingHelper

public MappingHelper()

Method Detail

getMappingIndices

public static int[] getMappingIndices(int initialPosition,
                                      JavaTypeMapping mapping)

Convenience method to return an array of positions for datastore columns for the supplied mapping and the initial position value. For example if the mapping has a single datastore column and the initial position is 1 then returns the array {1}.

Parameters:

initialPosition - the initialPosition

mapping - the Mapping

Returns:

an array containing indexes for parameters