/** * handleNewItemCommand * Creates new node * @param itemCommand * @throws PlanckDBException */ public void handleNewItemCommand(Command itemCommand) { int entityId= itemCommand.getEntityId(); NodeAttribute[] attributes = itemCommand.getAttributes(); bool entityLock= itemCommand.getLock(); int ownerId=entityLock? itemCommand.GetSessionId(): PlanckDBConstants.NON_ENTITY_OWNER; registry.createNewNode(entityId,entityLock,sessionMetaData.GetSessionId(),ownerId,attributes); Node node=registry.getNode(entityId); foreach (NodeModelChangedListener listenerNode in listenerNodes) { listenerNode.newItem(node); } foreach (NodeModelChangedListener listenerNode in listenerNodes) { foreach (NodeAttribute attribute in attributes) { listenerNode.attributeChanged(node, null, attribute); } } }
/** * handleLockItemCommand * Locks node * @param lockCommand */ private void handleLockItemCommand(Command lockCommand) { int entityId=lockCommand.getEntityId(); bool entityLock=lockCommand.getLock(); int ownerId=entityLock?lockCommand.GetSessionId():PlanckDBConstants.NON_ENTITY_OWNER; Node node = registry.getNode(entityId); registry.lockNode(entityId,entityLock,ownerId); foreach (NodeModelChangedListener listenerNode in listenerNodes) { listenerNode.lockChanged(node,entityLock); } }
public Command revertCommand(Command command) { int commandType=command.getCommandType(); Int32 entityId = command.getEntityId(); Int32 childEntityId = command.getChildEntityId(); Int32 schemaId=(Int32)command.GetSchemaId(); Int32 coreManagerId=command.GetCoreManagerKey(); Int32 sessionId=command.GetSessionId(); bool lockEntity=command.getLock(); bool oldLock=command.getOldLock(); NodeAttribute[] oldAttributes=command.getOldAttributes(); NodeAttribute[] attributes=command.getAttributes(); byte[] arcName=command.getArcName(); long lockTimeout=command.getLockTimeOut(); switch (commandType){ case PlanckDBConstants.CREATE_NEW_ENTITY:{ return buildDeleteNode(entityId,lockEntity,schemaId,coreManagerId,sessionId, lockTimeout, attributes); } case PlanckDBConstants.DELETE_ENTITY:{ Command newCommand= buildCreateNode(oldLock,schemaId,coreManagerId,sessionId, lockTimeout, oldAttributes); newCommand.Push(PlanckDBConstants.ENTITY_ID, PlanckDBConstants.INTEGER,entityId); return newCommand; } case PlanckDBConstants.ADD_CHILD_ENTITY_TO_PARENT_ENTITY:{ return buildRemoveChildFromParentNode(entityId,arcName,childEntityId,schemaId,coreManagerId,sessionId, lockTimeout); } case PlanckDBConstants.REMOVE_CHILD_ENTITY_FROM_PARENT_ENTITY:{ return buildAddChildToParentNode(entityId,childEntityId,arcName,schemaId,coreManagerId,sessionId, lockTimeout); } case PlanckDBConstants.UPDATE_ENTITY:{ Command newCommand = buildUpdateNode(entityId, schemaId, coreManagerId, sessionId, lockTimeout, attributes); newCommand.Push(PlanckDBConstants.OLD_ATTRIBUTES, PlanckDBConstants.ATTRIBUTE_MAP,oldAttributes); return newCommand; } case PlanckDBConstants.ADD_ATTRIBUTE:{ return buildRemoveAttributes(entityId,schemaId,coreManagerId,sessionId,lockTimeout,attributes); } case PlanckDBConstants.REMOVE_ATTRIBUTE:{ return buildAddAttributes(entityId,schemaId,coreManagerId,sessionId, lockTimeout, oldAttributes); } } throw new PlanckDBException("unsupported state the should not reach to this point of the code"); }