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/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; 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.camunda.bpm.engine.impl;

import java.util.List;

import org.camunda.bpm.engine.batch.Batch;
import org.camunda.bpm.engine.impl.batch.AbstractBatchJobHandler;
import org.camunda.bpm.engine.impl.batch.BatchJobContext;
import org.camunda.bpm.engine.impl.batch.BatchJobDeclaration;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.jobexecutor.JobDeclaration;
import org.camunda.bpm.engine.impl.json.ModificationBatchConfigurationJsonConverter;
import org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity;
import org.camunda.bpm.engine.impl.persistence.entity.JobEntity;
import org.camunda.bpm.engine.impl.persistence.entity.MessageEntity;
import org.camunda.bpm.engine.impl.persistence.entity.ProcessDefinitionEntity;

public class ModificationBatchJobHandler extends AbstractBatchJobHandler{

  public static final BatchJobDeclaration JOB_DECLARATION = new BatchJobDeclaration(Batch.TYPE_PROCESS_INSTANCE_MODIFICATION);

  @Override
  public String getType() {
    return Batch.TYPE_PROCESS_INSTANCE_MODIFICATION;
  }

  @Override
  protected void postProcessJob(ModificationBatchConfiguration configuration, JobEntity job, ModificationBatchConfiguration jobConfiguration) {
    if (job.getDeploymentId() == null) {
      CommandContext commandContext = Context.getCommandContext();
      ProcessDefinitionEntity processDefinitionEntity = commandContext.getProcessEngineConfiguration().getDeploymentCache()
          .findDeployedProcessDefinitionById(configuration.getProcessDefinitionId());
      job.setDeploymentId(processDefinitionEntity.getDeploymentId());
    }
  }

  @Override
  public void executeHandler(ModificationBatchConfiguration batchConfiguration,
                             ExecutionEntity execution,
                             CommandContext commandContext,
                             String tenantId) {

    ModificationBuilderImpl executionBuilder = (ModificationBuilderImpl) commandContext.getProcessEngineConfiguration()
        .getRuntimeService()
        .createModification(batchConfiguration.getProcessDefinitionId())
        .processInstanceIds(batchConfiguration.getIds());

    executionBuilder.setInstructions(batchConfiguration.getInstructions());

    if (batchConfiguration.isSkipCustomListeners()) {
      executionBuilder.skipCustomListeners();
    }
    if (batchConfiguration.isSkipIoMappings()) {
      executionBuilder.skipIoMappings();
    }

    executionBuilder.execute(false);

  }

  @Override
  public JobDeclaration getJobDeclaration() {
    return JOB_DECLARATION;
  }

  @Override
  protected ModificationBatchConfiguration createJobConfiguration(ModificationBatchConfiguration configuration, List processIdsForJob) {
    return new ModificationBatchConfiguration(
        processIdsForJob,
        configuration.getProcessDefinitionId(),
        configuration.getInstructions(),
        configuration.isSkipCustomListeners(),
        configuration.isSkipIoMappings()
    );
  }


  @Override
  protected ModificationBatchConfigurationJsonConverter getJsonConverterInstance() {
    return ModificationBatchConfigurationJsonConverter.INSTANCE;
  }

  protected ProcessDefinitionEntity getProcessDefinition(CommandContext commandContext, String processDefinitionId) {
    return commandContext.getProcessEngineConfiguration()
        .getDeploymentCache()
        .findDeployedProcessDefinitionById(processDefinitionId);
  }

}