content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.    
   */
  
  package org.apache.bifromq.inbox.server;
  
  import org.apache.bifromq.inbox.record.TenantInboxInstance;
  
  public class FetcherSignaler implements InboxWriterPipeline.IWriteCallback {
      private final IInboxFetcherRegistry registry;
  
      public FetcherSignaler(IInboxFetcherRegistry registry) {
          this.registry = registry;
      }
  
      @Override
      public void afterWrite(TenantInboxInstance tenantInboxInstance, String delivererKey) {
          for (IInboxFetcher fetcher : registry.get(tenantInboxInstance.tenantId(), delivererKey)) {
              if (fetcher.signalFetch(tenantInboxInstance.instance().inboxId(),
                  tenantInboxInstance.instance().incarnation())) {
                  break;
              }
          }
      }
  }
  