org.datanucleus.util

Class ViewUtils

java.lang.Object

org.datanucleus.util.ViewUtils

public class ViewUtils
extends Object

Utilities for handling Views. TODO Move to RDBMS

Field Summary

Fields

Modifier and Type	Field and Description
protected static Localiser	LOCALISER

Constructor Summary

Constructors

Constructor and Description
ViewUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static void	checkForCircularViewReferences(Map viewReferences, String referencer_name, String referencee_name, List referenceChain) Check for any circular view references between referencer and referencee.

Methods inherited from class java.lang.Object

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

Field Detail

LOCALISER

protected static final Localiser LOCALISER

Constructor Detail

ViewUtils

public ViewUtils()

Method Detail

checkForCircularViewReferences

public static void checkForCircularViewReferences(Map viewReferences,
                                  String referencer_name,
                                  String referencee_name,
                                  List referenceChain)

Check for any circular view references between referencer and referencee. If one is found, throw a NucleusUserException with the chain of references.

Parameters:

viewReferences - The Map of view references to check.

referencer_name - Name of the class that has the reference.

referencee_name - Name of the class that is being referenced.

referenceChain - The List of class names that have been referenced

Throws:

NucleusUserException - If a circular reference is found in the view definitions.