Examples of oracle.toplink.essentials.internal.identitymaps.CacheKey

Package oracle.toplink.essentials.internal.identitymaps

Examples of oracle.toplink.essentials.internal.identitymaps.CacheKey

oracle.toplink.essentials.internal.identitymaps.CacheKey
Purpose: Container class for storing objects in an IdentityMap.
Responsibilities:
- Hold key and object.
- Maintain and update the current writeLockValue.
@since TOPLink/Java 1.0

        if (query.getObjectChangeSet() == null) {
            Object objectInMemory = getRealAttributeValueFromObject(query.getObject(), query.getSession());
    
            // delete the object in the database if it is no more a referenced object.            
            if (objectInDatabase != objectInMemory) {
                CacheKey cacheKeyForObjectInDatabase = null;
                CacheKey cacheKeyForObjectInMemory = new CacheKey(new Vector());
    
                cacheKeyForObjectInDatabase = new CacheKey(getPrimaryKeyForObject(objectInDatabase, query.getSession()));
    
                if (objectInMemory != null) {
                    cacheKeyForObjectInMemory = new CacheKey(getPrimaryKeyForObject(objectInMemory, query.getSession()));
                }
    
                if (cacheKeysAreEqual(cacheKeyForObjectInDatabase, cacheKeyForObjectInMemory)) {
                    return;
                }

View Full Code Here

        objectFromDatabase = readPrivateOwnedForObject(query);


        // If the value was changed, both values must be deleted (uow will have inserted the new one).
        if ((objectFromDatabase != null) && (objectFromDatabase != objectInMemory)) {
            // Also check pk as may not be maintaining identity.      
            CacheKey cacheKeyForObjectInDatabase = null;
            CacheKey cacheKeyForObjectInMemory = new CacheKey(new Vector());


            cacheKeyForObjectInDatabase = new CacheKey(getPrimaryKeyForObject(objectFromDatabase, query.getSession()));


            if (objectInMemory != null) {
                cacheKeyForObjectInMemory = new CacheKey(getPrimaryKeyForObject(objectInMemory, query.getSession()));
            }
            if (!cacheKeysAreEqual(cacheKeyForObjectInMemory, cacheKeyForObjectInDatabase)) {
                if (objectFromDatabase != null) {
                    // Make sure only objects sheduled for deletion are deleted
                    if (shouldObjectDeleteCascadeToPart(query, objectFromDatabase)) {

View Full Code Here


                for (Enumeration rowsEnum = rows.elements(); rowsEnum.hasMoreElements();) {
                    AbstractRecord referenceRow = (AbstractRecord)rowsEnum.nextElement();
                    Object referenceKey = referenceRow.get(getDirectKeyField());
                    Object referenceValue = referenceRow.get(getDirectField());
                    CacheKey eachCacheKey = new CacheKey(extractKeyFromReferenceRow(referenceRow, session));


                    Object container = referenceDataByKey.get(eachCacheKey);
                    if (container == null) {
                        container = mappingContainerPolicy.containerInstance();
                        referenceDataByKey.put(eachCacheKey, container);
                    }


                    // Allow for key conversion.
                    if (getKeyConverter() != null) {
                        referenceKey = getKeyConverter().convertDataValueToObjectValue(referenceKey, query.getSession());
                    }


                    // Allow for value conversion.
                    if (getValueConverter() != null) {
                        referenceValue = getValueConverter().convertDataValueToObjectValue(referenceValue, query.getSession());
                    }


                    mappingContainerPolicy.addInto(referenceKey, referenceValue, container, query.getSession());
                }


                query.setProperty("batched objects", referenceDataByKey);
            }
        }
        Object result = referenceDataByKey.get(new CacheKey(extractPrimaryKeyFromRow(databaseRow, session)));


        // The source object might not have any target objects
        if (result == null) {
            return mappingContainerPolicy.containerInstance();
        } else {

View Full Code Here

                objectChangeSet = (ObjectChangeSet)((UnitOfWorkImpl)getSession()).getUnitOfWorkChangeSet().getObjectChangeSetForClone(object);
            }
            if (objectChangeSet != null) {
                updateChangeSet(getDescriptor(), objectChangeSet, row, object);
                if (primaryKeys != null) {
                    objectChangeSet.setCacheKey(new CacheKey(primaryKeys));
                }
            }
        }
    }

View Full Code Here

            if ((objectChangeSet == null) && (((UnitOfWorkImpl)getSession()).getUnitOfWorkChangeSet() != null)) {
                objectChangeSet = (ObjectChangeSet)((UnitOfWorkImpl)getSession()).getUnitOfWorkChangeSet().getObjectChangeSetForClone(object);
            }
            if (objectChangeSet != null) {
                updateChangeSet(getDescriptor(), objectChangeSet, sequenceNumberField, object);
                objectChangeSet.setCacheKey(new CacheKey(primaryKeys));
            }
        }
    }

View Full Code Here

        super();
        this.cloneObject = cloneObject;
        this.isNew = isNew;
        this.shouldBeDeleted = false;
        if ((primaryKey != null) && !oracle.toplink.essentials.internal.helper.Helper.containsNull(primaryKey, 0)) {
            this.cacheKey = new CacheKey(primaryKey);
        }
        this.classType = classType;
        this.className = this.classType.getName();
        this.unitOfWorkChangeSet = parent;
        this.isAggregate = false;

View Full Code Here

    public void setPrimaryKeys(Vector key) {
        if (key == null) {
            return;
        }
        if (getCacheKey() == null) {
            setCacheKey(new CacheKey(key));
        } else {
            getCacheKey().setKey(key);
        }
    }

View Full Code Here

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Related Classes of oracle.toplink.essentials.internal.identitymaps.CacheKey

oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism

oracle.toplink.essentials.internal.sessions.ObjectChangeSet

oracle.toplink.essentials.mappings.DirectMapMapping

oracle.toplink.essentials.mappings.ObjectReferenceMapping

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