Examples of OptimisticLockingPolicy

Examples of oracle.toplink.essentials.internal.descriptors.OptimisticLockingPolicy

    public void prepareUpdateAll() {
        ExpressionBuilder builder = ((UpdateAllQuery)getQuery()).getExpressionBuilder();        
        HashMap updateClauses = ((UpdateAllQuery)getQuery()).getUpdateClauses();
        
        // Add a statement to update the optimistic locking field if their is one.
        OptimisticLockingPolicy policy = getDescriptor().getOptimisticLockingPolicy();
        if (policy != null) {
            if(policy.getWriteLockField() != null) {
                Expression writeLock = builder.getField(policy.getWriteLockField());
                Expression writeLockUpdateExpression = policy.getWriteLockUpdateExpression(builder);
                if (writeLockUpdateExpression != null) {
                    // clone it to keep user's original data intact
                    updateClauses = (HashMap)updateClauses.clone();
                    updateClauses.put(writeLock, writeLockUpdateExpression);
                }

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Examples of oracle.toplink.essentials.internal.descriptors.OptimisticLockingPolicy

                writeQuery.setModifyRow(getDescriptor().getObjectBuilder().buildRow(object, getSession()));
            }


            // Update the write lock field if required
            if (getDescriptor().usesOptimisticLocking()) {
                OptimisticLockingPolicy policy = getDescriptor().getOptimisticLockingPolicy();
                policy.addLockValuesToTranslationRow(writeQuery);


                // update the row with newer lock value    
                policy.updateRowAndObjectForUpdate(writeQuery, object);               
            }


            // PERF: Avoid events if no listeners.
            if (getDescriptor().getEventManager().hasAnyEventListeners()) {
                DescriptorEvent event = new DescriptorEvent(DescriptorEventManager.AboutToUpdateEvent, writeQuery);

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Examples of oracle.toplink.essentials.internal.descriptors.OptimisticLockingPolicy

                writeQuery.setModifyRow(getDescriptor().getObjectBuilder().buildRow(object, getSession()));
            }


            // Update the write lock field if required
            if (getDescriptor().usesOptimisticLocking()) {
                OptimisticLockingPolicy policy = getDescriptor().getOptimisticLockingPolicy();
                policy.addLockValuesToTranslationRow(writeQuery);


                if (!getModifyRow().isEmpty() || (shouldModifyVersionField.booleanValue() && policy instanceof VersionLockingPolicy)) {
                    // update the row with newer lock value    
                    policy.updateRowAndObjectForUpdate(writeQuery, object);
                } else if (!shouldModifyVersionField.booleanValue() && policy instanceof VersionLockingPolicy) {
                    ((VersionLockingPolicy)policy).writeLockValueIntoRow(writeQuery, object);
                }
            }

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Examples of oracle.toplink.essentials.internal.descriptors.OptimisticLockingPolicy

            // Add pk attribute to the fetch group attributes list
            attributes.add(pkMapping.getAttributeName());
        }


        //second, add version/optimistic locking object attributes into the fetch group if applied.
        OptimisticLockingPolicy lockingPolicy = getDescriptor().getOptimisticLockingPolicy();
        if (query.shouldMaintainCache() && (lockingPolicy != null)) {
            lockingPolicy.prepareFetchGroupForReadQuery(query.getFetchGroup(), query);
        }


        //thrid, prepare all fetch group attributes 
        Iterator attrIter = attributes.iterator();
        while (attrIter.hasNext()) {

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Examples of oracle.toplink.essentials.internal.descriptors.OptimisticLockingPolicy

    public void lock(Object entity, LockModeType lockMode){
        try {
            verifyOpen();
            RepeatableWriteUnitOfWork context = getActivePersistenceContext(checkForTransaction(!isExtended()));
            ClassDescriptor descriptor = context.getDescriptor(entity);
            OptimisticLockingPolicy lockingPolicy = descriptor.getOptimisticLockingPolicy();
            if ((lockingPolicy == null) || !(lockingPolicy instanceof VersionLockingPolicy)){
                throw new PersistenceException(ExceptionLocalization.buildMessage("ejb30-wrong-lock_called_without_version_locking-index", null));
            }
            context.forceUpdateToVersionField(entity, (lockMode == LockModeType.WRITE));
        } catch (RuntimeException e) {

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Examples of org.eclipse.persistence.internal.descriptors.OptimisticLockingPolicy

    public void prepareUpdateAll() {
        ExpressionBuilder builder = ((UpdateAllQuery)getQuery()).getExpressionBuilder();        
        HashMap updateClauses = ((UpdateAllQuery)getQuery()).getUpdateClauses();
        
        // Add a statement to update the optimistic locking field if their is one.
        OptimisticLockingPolicy policy = getDescriptor().getOptimisticLockingPolicy();
        if (policy != null) {
            if(policy.getWriteLockField() != null) {
                Expression writeLock = builder.getField(policy.getWriteLockField());
                Expression writeLockUpdateExpression = policy.getWriteLockUpdateExpression(builder, getQuery().getSession());
                if (writeLockUpdateExpression != null) {
                    // clone it to keep user's original data intact
                    updateClauses = (HashMap)updateClauses.clone();
                    updateClauses.put(writeLock, writeLockUpdateExpression);
                }

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Examples of org.eclipse.persistence.internal.descriptors.OptimisticLockingPolicy

            if (objectDescriptor == null){
                //the object must have been added concurently before serialize generate a new ObjectDescriptor on this side
                objectDescriptor = new ObjectDescriptor();
                objectDescriptor.setKey(primaryKey);
                objectDescriptor.setObject(serverSideDomainObject);
                OptimisticLockingPolicy policy = descriptor.getOptimisticLockingPolicy();
                if (policy == null){
                    objectDescriptor.setWriteLockValue(null);
                }else{
                    objectDescriptor.setWriteLockValue(policy.getBaseValue());
                }
            }
            //query is used for the cascade policy only
            org.eclipse.persistence.queries.ObjectLevelReadQuery query = new org.eclipse.persistence.queries.ReadObjectQuery();
            query.setCascadePolicy(this.getCascadePolicy());
            getSession().getIdentityMapAccessorInstance().putInIdentityMap(serverSideDomainObject, primaryKey, objectDescriptor.getWriteLockValue(), objectDescriptor.getReadTime(), descriptor);
            descriptor.getObjectBuilder().fixObjectReferences(serverSideDomainObject, getObjectDescriptors(), getObjectsAlreadyMerged(), query, (RemoteSession)getSession());
            clientSideDomainObject = serverSideDomainObject;
        } else {
            // merge into the clientSideDomainObject from the serverSideDomainObject;
            // use clientSideDomainObject as the backup, as anything different should be merged
            descriptor.getObjectBuilder().mergeIntoObject(clientSideDomainObject, false, serverSideDomainObject, this);
            ObjectDescriptor objectDescriptor = (ObjectDescriptor)getObjectDescriptors().get(serverSideDomainObject);
            if (objectDescriptor == null){
                //the object must have been added concurently before serialize generate a new ObjectDescriptor on this side
                objectDescriptor = new ObjectDescriptor();
                objectDescriptor.setKey(primaryKey);
                objectDescriptor.setObject(serverSideDomainObject);
                OptimisticLockingPolicy policy = descriptor.getOptimisticLockingPolicy();
                if (policy == null){
                    objectDescriptor.setWriteLockValue(null);
                }else{
                    objectDescriptor.setWriteLockValue(policy.getBaseValue());
                }
            }
            CacheKey key = getSession().getIdentityMapAccessorInstance().getCacheKeyForObjectForLock(primaryKey, clientSideDomainObject.getClass(), descriptor);


            // Check for null because when there is NoIdentityMap, CacheKey will be null

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Examples of org.eclipse.persistence.internal.descriptors.OptimisticLockingPolicy

                writeQuery.setModifyRow(descriptor.getObjectBuilder().buildRow(object, getSession()));
            }


            // Update the write lock field if required.
            if (descriptor.usesOptimisticLocking()) {
                OptimisticLockingPolicy policy = descriptor.getOptimisticLockingPolicy();
                policy.addLockValuesToTranslationRow(writeQuery);


                if (!getModifyRow().isEmpty() || shouldModifyVersionField.booleanValue()) {
                    // Update the row with newer lock value.
                    policy.updateRowAndObjectForUpdate(writeQuery, object);
                } else if (!shouldModifyVersionField.booleanValue() && (policy instanceof VersionLockingPolicy)) {
                    // Add the existing write lock value to the for a "read" lock (requires something to update).
                    ((VersionLockingPolicy)policy).writeLockValueIntoRow(writeQuery, object);
                }
            }

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Examples of org.eclipse.persistence.internal.descriptors.OptimisticLockingPolicy

        if (!getModifyRow().isEmpty() || (shouldModifyVersionField != null) || changeSet.hasCmpPolicyForcedUpdate()) {
            // If user defined the entire row is required. Must not be built until change is known.
            if (writeQuery.isUserDefined() || writeQuery.isCallQuery()) {
                writeQuery.setModifyRow(descriptor.getObjectBuilder().buildRow(object, session));
            }
            OptimisticLockingPolicy lockingPolicy = descriptor.getOptimisticLockingPolicy();


            // Update the write lock field if required.
            if (lockingPolicy != null) {
                lockingPolicy.addLockValuesToTranslationRow(writeQuery);


                if (!getModifyRow().isEmpty() || shouldModifyVersionField.booleanValue()) {
                    // Update the row with newer lock value.
                    lockingPolicy.updateRowAndObjectForUpdate(writeQuery, object);
                } else if (!shouldModifyVersionField.booleanValue() && (lockingPolicy instanceof VersionLockingPolicy)) {
                    // Add the existing write lock value to the for a "read" lock (requires something to update).
                    ((VersionLockingPolicy)lockingPolicy).writeLockValueIntoRow(writeQuery, object);
                }
            }


            // PERF: Avoid events if no listeners.
            if (eventManager.hasAnyEventListeners()) {
                DescriptorEvent event = new DescriptorEvent(DescriptorEventManager.AboutToUpdateEvent, writeQuery);
                event.setRecord(getModifyRow());
                eventManager.executeEvent(event);
            }


            if (QueryMonitor.shouldMonitor()) {
                QueryMonitor.incrementUpdate(getWriteObjectQuery());
            }
            int rowCount = updateObject().intValue();


            if (rowCount < 1) {
                session.getEventManager().noRowsModified(writeQuery, object);
            }
            if (lockingPolicy != null) {
                lockingPolicy.validateUpdate(rowCount, object, writeQuery);
            }
        }


        commitManager.markPostModifyCommitInProgress(object);

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Examples of org.eclipse.persistence.internal.descriptors.OptimisticLockingPolicy

                
                executeQuery(query, lockMode, getActivePersistenceContext(checkForTransaction(false)));
            } else {
                RepeatableWriteUnitOfWork context = getActivePersistenceContext(checkForTransaction(false));
                ClassDescriptor descriptor = context.getDescriptor(entity);
                OptimisticLockingPolicy lockingPolicy = descriptor.getOptimisticLockingPolicy();
                if ((lockingPolicy == null) || !(lockingPolicy instanceof VersionLockingPolicy)) {
                    throw new PersistenceException(ExceptionLocalization.buildMessage("ejb30-wrong-lock_called_without_version_locking-index", null));
                }
            
                context.forceUpdateToVersionField(entity, (lockMode == LockModeType.WRITE || lockMode.name().equals(ObjectLevelReadQuery.OPTIMISTIC_FORCE_INCREMENT)));

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