/*
    * 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.syncope.core.provisioning.java.pushpull;
  
  import java.util.concurrent.RejectedExecutionException;
  import org.apache.syncope.core.persistence.api.entity.task.PullTask;
  import org.apache.syncope.core.provisioning.api.pushpull.ProvisioningProfile;
  import org.apache.syncope.core.provisioning.api.pushpull.PullActions;
  import org.apache.syncope.core.provisioning.api.pushpull.SyncopePullExecutor;
  import org.apache.syncope.core.provisioning.api.pushpull.SyncopePullResultHandler;
  import org.identityconnectors.framework.common.objects.SyncDelta;
  import org.identityconnectors.framework.common.objects.SyncResultsHandler;
  import org.springframework.transaction.annotation.Transactional;
  
  public class PullResultHandlerDispatcher
          extends SyncopeResultHandlerDispatcher<PullTask, PullActions, SyncopePullResultHandler>
          implements SyncResultsHandler {
  
      protected final SyncopePullExecutor executor;
  
      public PullResultHandlerDispatcher(
              final ProvisioningProfile<PullTask, PullActions> profile,
              final SyncopePullExecutor executor) {
  
          super(profile);
          this.executor = executor;
      }
  
      @Transactional
      @Override
      public boolean handle(final SyncDelta delta) {
          if (executor.wasInterruptRequested()) {
              LOG.debug("Pull interrupted");
              executor.setInterrupted();
              return false;
          }
  
          if (tpte.isEmpty()) {
              boolean result = nonConcurrentHandler(delta.getObjectClass().getObjectClassValue()).handle(delta);
  
              executor.reportHandled(delta.getObjectClass().getObjectClassValue(), delta.getObject().getName());
              if (result) {
                  executor.setLatestSyncToken(delta.getObjectClass().getObjectClassValue(), delta.getToken());
              }
  
              return result;
          }
  
          try {
              submit(() -> {
                  executor.setLatestSyncToken(delta.getObjectClass().getObjectClassValue(), delta.getToken());
  
                  suppliers.get(delta.getObjectClass().getObjectClassValue()).get().handle(delta);
  
                  executor.reportHandled(delta.getObjectClass().getObjectClassValue(), delta.getObject().getName());
              });
              return true;
          } catch (RejectedExecutionException e) {
              LOG.error("Could not submit pull handler for {} {}",
                      delta.getObjectClass().getObjectClassValue(), delta.getObject().getName());
              return false;
          }
      }
  }