Examples of org.eclipse.persistence.internal.oxm.Reference

Package org.eclipse.persistence.internal.oxm

Examples of org.eclipse.persistence.internal.oxm.Reference

org.eclipse.persistence.internal.oxm.Reference
INTERNAL:
Purpose: Holds mapping reference info. The info held in this class will be used after unmarshal to resolve 1-1 and 1-M mapping references. This is necessary to ensure that all related objects have been created before attempting to set instance values in related objects.

        if (resolver == null) {
            return;
        }


        Object srcObject = record.getCurrentObject();
        Reference reference = resolver.getReference(this, srcObject);
        // if reference is null, create a new instance and set it on the resolver
        if (reference == null) {
            reference = new Reference(this, srcObject, getReferenceClass(), new HashMap());
            resolver.addReference(reference);
        }


        XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(xmlField);
        String tgtXPath = tgtFld.getXPath();        
        HashMap primaryKeyMap = reference.getPrimaryKeyMap();
        Vector pks = (Vector) primaryKeyMap.get(tgtXPath);
        if(pks == null){
            pks = new Vector();
            primaryKeyMap.put(tgtXPath, pks);
        }

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            primaryKeyMap.put(tgtFld.getXPath(), newValues);
        }
        // store the Reference instance on the resolver for use during mapping resolution phase
        ReferenceResolver resolver = ReferenceResolver.getInstance(sourceQuery.getSession());
        if (resolver != null) {
            resolver.addReference(new Reference(this, targetObject, referenceClass, primaryKeyMap));
        }
        return null;
    }

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    public void buildReference(Object srcObject, XMLField xmlField, Object object, AbstractSession session, Object container, ReferenceResolver resolver) {
        if (resolver == null) {
            return;
        }


        Reference reference = resolver.getReference(this, srcObject, xmlField);
        if (reference == null) {
            // if reference is null, create a new instance and set it on the resolver
            reference = new Reference(this, srcObject, referenceClass, new HashMap(), container);
            resolver.addReference(reference);
        }
        CacheId primaryKeys;
        if(null == referenceClass || ClassConstants.OBJECT == referenceClass) {
            HashMap primaryKeyMap = reference.getPrimaryKeyMap();
            CacheId pks = (CacheId) primaryKeyMap.get(null);
            if (pks == null){
                Object[] pkValues = new Object[1];
                pks = new CacheId(pkValues);
                primaryKeyMap.put(null, pks);
            }
            if(usesSingleNode) {
                for (StringTokenizer stok = new StringTokenizer((String) object); stok.hasMoreTokens();) {
                    pks.add(stok.nextToken());
                    reference = resolver.getReference(this, srcObject, xmlField);
                    if (reference == null) {
                        // if reference is null, create a new instance and set it on the resolver
                        reference = new Reference(this, srcObject, referenceClass, new HashMap(), container);
                        resolver.addReference(reference);
                    }
                    primaryKeyMap = reference.getPrimaryKeyMap();
                    pks = (CacheId) primaryKeyMap.get(null);
                    if (pks == null){
                        Object[] pkValues = new Object[1];
                        pks = new CacheId(pkValues);
                        primaryKeyMap.put(null, pks);
                    }
                }
            } else {
                pks.add(object);
            }
        } else {
            XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(xmlField);
            String tgtXPath = tgtFld.getXPath();
            HashMap primaryKeyMap = reference.getPrimaryKeyMap();
            CacheId pks = (CacheId) primaryKeyMap.get(tgtXPath);
            ClassDescriptor descriptor = session.getClassDescriptor(referenceClass);
            if (pks == null){
                pks = new CacheId(new Object[0]);
                primaryKeyMap.put(tgtXPath, pks);
            }
            Class type = descriptor.getTypedField(tgtFld).getType();
            XMLConversionManager xmlConversionManager = (XMLConversionManager) session.getDatasourcePlatform().getConversionManager();
            if(usesSingleNode) {
                for (StringTokenizer stok = new StringTokenizer((String) object); stok.hasMoreTokens();) {
                    Object value = xmlConversionManager.convertObject(stok.nextToken(), type);
                    if (value != null) {
                        pks.add(value);
                    }
                    reference = resolver.getReference(this, srcObject, xmlField);
                    if (reference == null) {
                        // if reference is null, create a new instance and set it on the resolver
                        reference = new Reference(this, srcObject, referenceClass, new HashMap(), container);
                        resolver.addReference(reference);
                    }
                    primaryKeyMap = reference.getPrimaryKeyMap();
                    pks = (CacheId) primaryKeyMap.get(null);
                    if (pks == null){
                        pks = new CacheId(new Object[0]);
                        primaryKeyMap.put(tgtXPath, pks);
                    }

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        Object srcObject = record.getCurrentObject();
        // the order in which the primary keys are added to the vector is
        // relevant for cache lookup - it must match the ordering of the 
        // reference descriptor's primary key entries


        Reference reference = resolver.getReference(this, srcObject);
        CacheId primaryKeys;
        if(null == referenceClass || ClassConstants.OBJECT == referenceClass) {
            if (reference == null) {
                // if reference is null, create a new instance and set it on the resolver
                primaryKeys = new CacheId(new Object[1]);
                reference = new Reference(this, srcObject, referenceClass, primaryKeys);
                resolver.addReference(reference);
                record.reference(reference);
            }  else {
                primaryKeys = (CacheId) reference.getPrimaryKey();
            }
            primaryKeys.set(0, object);
        } else {
            Vector pkFieldNames = referenceDescriptor.getPrimaryKeyFieldNames();
            // if reference is null, create a new instance and set it on the resolver
            if (reference == null) {
                primaryKeys = new CacheId(new Object[pkFieldNames.size()]);
                reference = new Reference(this, srcObject, referenceClass, primaryKeys);
                resolver.addReference(reference);
                record.reference(reference);
            } else {
                primaryKeys = (CacheId) reference.getPrimaryKey();
            }
            XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(xmlField);
            int idx = pkFieldNames.indexOf(tgtFld.getXPath());
            // fix for bug# 5687430
            // need to get the actual type of the target (i.e. int, String, etc.)

View Full Code Here

        }
        // store the Reference instance on the resolver for use during mapping
        // resolution phase
        ReferenceResolver resolver = ReferenceResolver.getInstance(sourceQuery.getSession());
        if (resolver != null) {
            resolver.addReference(new Reference(this, targetObject, referenceClass, primaryKeys));
        }
        return null;
    }

View Full Code Here

        ReferenceResolver resolver = ReferenceResolver.getInstance(session);
        if (resolver == null) {
            return;
        }


        Reference reference = resolver.getReference(this, srcObject, xmlField);
        if (reference == null) {
            // if reference is null, create a new instance and set it on the resolver
            reference = new Reference(this, srcObject, referenceClass, new HashMap());
            resolver.addReference(reference);
        }
        CacheId primaryKeys;
        if(null == referenceClass || ClassConstants.OBJECT == referenceClass) {
            HashMap primaryKeyMap = reference.getPrimaryKeyMap();
            CacheId pks = (CacheId) primaryKeyMap.get(null);
            if (pks == null){
                Object[] pkValues = new Object[1];
                pks = new CacheId(pkValues);
                primaryKeyMap.put(null, pks);
            }
            if(usesSingleNode) {
                for (StringTokenizer stok = new StringTokenizer((String) object); stok.hasMoreTokens();) {
                    pks.add(stok.nextToken());
                    reference = resolver.getReference(this, srcObject, xmlField);
                    if (reference == null) {
                        // if reference is null, create a new instance and set it on the resolver
                        reference = new Reference(this, srcObject, referenceClass, new HashMap());
                        resolver.addReference(reference);
                    }
                    primaryKeyMap = reference.getPrimaryKeyMap();
                    pks = (CacheId) primaryKeyMap.get(null);
                    if (pks == null){
                        Object[] pkValues = new Object[1];
                        pks = new CacheId(pkValues);
                        primaryKeyMap.put(null, pks);
                    }
                }
            } else {
                pks.add(object);
            }
        } else {
            XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(xmlField);
            String tgtXPath = tgtFld.getXPath();
            HashMap primaryKeyMap = reference.getPrimaryKeyMap();
            CacheId pks = (CacheId) primaryKeyMap.get(tgtXPath);
            ClassDescriptor descriptor = session.getClassDescriptor(referenceClass);
            if (pks == null){
                pks = new CacheId(new Object[0]);
                primaryKeyMap.put(tgtXPath, pks);
            }
            Class type = descriptor.getTypedField(tgtFld).getType();
            XMLConversionManager xmlConversionManager = (XMLConversionManager) session.getDatasourcePlatform().getConversionManager();
            if(usesSingleNode) {
                for (StringTokenizer stok = new StringTokenizer((String) object); stok.hasMoreTokens();) {
                    Object value = xmlConversionManager.convertObject(stok.nextToken(), type);
                    if (value != null) {
                        pks.add(value);
                    }
                    reference = resolver.getReference(this, srcObject, xmlField);
                    if (reference == null) {
                        // if reference is null, create a new instance and set it on the resolver
                        reference = new Reference(this, srcObject, referenceClass, new HashMap());
                        resolver.addReference(reference);
                    }
                    primaryKeyMap = reference.getPrimaryKeyMap();
                    pks = (CacheId) primaryKeyMap.get(null);
                    if (pks == null){
                        pks = new CacheId(new Object[0]);
                        primaryKeyMap.put(tgtXPath, pks);
                    }

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        Object srcObject = record.getCurrentObject();
        // the order in which the primary keys are added to the vector is
        // relevant for cache lookup - it must match the ordering of the 
        // reference descriptor's primary key entries


        Reference reference = resolver.getReference(this, srcObject);
        CacheId primaryKeys;
        if(null == referenceClass || ClassConstants.OBJECT == referenceClass) {
            if (reference == null) {
                // if reference is null, create a new instance and set it on the resolver
                primaryKeys = new CacheId(new Object[1]);
                reference = new Reference(this, srcObject, referenceClass, primaryKeys);
                resolver.addReference(reference);
                record.reference(reference);
            }  else {
                primaryKeys = (CacheId) reference.getPrimaryKey();
            }
            primaryKeys.set(0, object);
        } else {
            Vector pkFieldNames = referenceDescriptor.getPrimaryKeyFieldNames();
            // if reference is null, create a new instance and set it on the resolver
            if (reference == null) {
                primaryKeys = new CacheId(new Object[pkFieldNames.size()]);
                reference = new Reference(this, srcObject, referenceClass, primaryKeys);
                resolver.addReference(reference);
                record.reference(reference);
            } else {
                primaryKeys = (CacheId) reference.getPrimaryKey();
            }
            XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(xmlField);
            int idx = pkFieldNames.indexOf(tgtFld.getXPath());
            // fix for bug# 5687430
            // need to get the actual type of the target (i.e. int, String, etc.)

View Full Code Here

        }
        // store the Reference instance on the resolver for use during mapping
        // resolution phase
        ReferenceResolver resolver = ReferenceResolver.getInstance(sourceQuery.getSession());
        if (resolver != null) {
            resolver.addReference(new Reference(this, targetObject, referenceClass, primaryKeys));
        }
        return null;
    }

View Full Code Here

        // relevant for cache lookup - it must match the ordering of the 
        // reference descriptor's primary key entries
        ClassDescriptor clsDescriptor = session.getClassDescriptor(getReferenceClass());
        Vector pkFieldNames = clsDescriptor.getPrimaryKeyFieldNames();
        // if reference is null, create a new instance and set it on the resolver
        Reference reference = resolver.getReference(this, srcObject);
        if (reference == null) {
            Vector pks = new Vector();
            pks.setSize(pkFieldNames.size());
            reference = new Reference(this, srcObject, getReferenceClass(), pks);
            resolver.addReference(reference);
            record.reference(reference);
        }
        XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(xmlField);
        int idx = pkFieldNames.indexOf(tgtFld.getXPath());
        Vector primaryKeys = reference.getPrimaryKeys();
        // fix for bug# 5687430
        // need to get the actual type of the target (i.e. int, String, etc.) 
        // and use the converted value when checking the cache.
        Object value = session.getDatasourcePlatform().getConversionManager().convertObject(object, clsDescriptor.getTypedField(tgtFld).getType());
        if (value != null) {

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        }
        // store the Reference instance on the resolver for use during mapping
        // resolution phase
        ReferenceResolver resolver = ReferenceResolver.getInstance(sourceQuery.getSession());
        if (resolver != null) {
            resolver.addReference(new Reference(this, targetObject, referenceClass, primaryKeys));
        }
        return null;
    }

View Full Code Here

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Related Classes of org.eclipse.persistence.internal.oxm.Reference

org.eclipse.persistence.oxm.mappings.XMLCollectionReferenceMapping

org.eclipse.persistence.oxm.mappings.XMLObjectReferenceMapping

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