Package org.apache.falcon.entity.v0

Examples of org.apache.falcon.entity.v0.EntityType


     */
    public APIResult delete(HttpServletRequest request, String type, String entity, String colo) {

        checkColo(colo);
        try {
            EntityType entityType = EntityType.valueOf(type.toUpperCase());
            audit(request, entity, type, "DELETE");
            String removedFromEngine = "";
            try {
                Entity entityObj = EntityUtil.getEntity(type, entity);

                canRemove(entityObj);
                if (entityType.isSchedulable() && !DeploymentUtil.isPrism()) {
                    getWorkflowEngine().delete(entityObj);
                    removedFromEngine = "(KILLED in ENGINE)";
                }

                configStore.remove(entityType, entity);
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    // Parallel update can get very clumsy if two feeds are updated which
    // are referred by a single process. Sequencing them.
    public synchronized APIResult update(HttpServletRequest request, String type, String entityName, String colo) {
        checkColo(colo);
        try {
            EntityType entityType = EntityType.valueOf(type.toUpperCase());
            audit(request, entityName, type, "UPDATE");
            Entity oldEntity = EntityUtil.getEntity(type, entityName);
            Entity newEntity = deserializeEntity(request, entityType);
            validate(newEntity);
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        }
    }

    protected synchronized Entity submitInternal(HttpServletRequest request, String type) throws IOException, IvoryException {

        EntityType entityType = EntityType.valueOf(type.toUpperCase());
        Entity entity = deserializeEntity(request, entityType);

        Entity existingEntity = configStore.get(entityType, entity.getName());
        if (existingEntity != null) {
            if (EntityUtil.equals(existingEntity, entity))
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        checkColo(colo);
        Entity entityObj = null;
        try {
            entityObj = EntityUtil.getEntity(type, entity);
            EntityType entityType = EntityType.valueOf(type.toUpperCase());
            String status;

            if (entityType.isSchedulable()) {
                if (workflowEngine.isActive(entityObj)) {
                    if (workflowEngine.isSuspended(entityObj)) {
                        status = EntityStatus.SUSPENDED.name();
                    } else {
                        status = EntityStatus.RUNNING.name();
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     * @param type
     * @return String
     */
    public EntityList getDependencies(String type) {
        try {
            EntityType entityType = EntityType.valueOf(type.toUpperCase());
            Collection<String> entityNames = configStore.getEntities(entityType);
            if (entityNames == null || entityNames.equals("")) {
                return new EntityList(new Entity[] {});
            }
            Entity[] entities = new Entity[entityNames.size()];
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     * @param entityName
     * @return String
     */
    public String getEntityDefinition(String type, String entityName) {
        try {
            EntityType entityType = EntityType.valueOf(type.toUpperCase());
            Entity entity = configStore.get(entityType, entityName);
            if (entity == null) {
                throw new NoSuchElementException(entityName + " (" + type + ") not found");
            }
            return entity.toString();
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            throw IvoryWebException.newException(e, Response.Status.BAD_REQUEST);
        }
    }

    private void checkSchedulableEntity(String type) throws UnschedulableEntityException {
        EntityType entityType = EntityType.valueOf(type.toUpperCase());
        if (!entityType.isSchedulable()) {
            throw new UnschedulableEntityException("Entity type (" + type + ") " + " cannot be Scheduled/Suspended/Resumed");
        }
    }
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    protected void checkType(String type) {
        if (StringUtils.isEmpty(type)) {
            throw IvoryWebException.newInstanceException("entity type is empty",
                    Response.Status.BAD_REQUEST);
        } else {
            EntityType entityType = EntityType.valueOf(type.toUpperCase());
            if (entityType == EntityType.CLUSTER) {
                throw IvoryWebException.newInstanceException("Instance management functions don't apply to Cluster entities",
                        Response.Status.BAD_REQUEST);
            }
        }
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    }
    return entity;       
  }

  public static <T extends Entity> T getEntity(String type, String entityName) throws IvoryException {
    EntityType entityType;
    try {
      entityType = EntityType.valueOf(type.toUpperCase());
    } catch (IllegalArgumentException e) {
      throw new IvoryException("Invalid entity type: " + type, e);
    }
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  }

  @Override
  public void process(EntityContainer entityContainer) {
    Entity entity = entityContainer.getEntity();
    EntityType type = entity.getType();
    workerPool.submit(entity);
    entityCounter.increment(type);
  }
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