org.camunda.bpm.engine.impl.batch.RestartProcessInstancesBatchCmd Maven / Gradle / Ivy

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package org.camunda.bpm.engine.impl.batch;

import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotContainsNull;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import org.camunda.bpm.engine.BadUserRequestException;
import org.camunda.bpm.engine.authorization.Permissions;
import org.camunda.bpm.engine.authorization.Resources;
import org.camunda.bpm.engine.batch.Batch;
import org.camunda.bpm.engine.impl.ProcessEngineLogger;
import org.camunda.bpm.engine.impl.RestartProcessInstanceBuilderImpl;
import org.camunda.bpm.engine.impl.RestartProcessInstancesBatchConfiguration;
import org.camunda.bpm.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.camunda.bpm.engine.impl.cmd.AbstractProcessInstanceModificationCommand;
import org.camunda.bpm.engine.impl.cmd.AbstractRestartProcessInstanceCmd;
import org.camunda.bpm.engine.impl.cmd.CommandLogger;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.interceptor.CommandExecutor;
import org.camunda.bpm.engine.impl.persistence.entity.ProcessDefinitionEntity;

/**
 *
 * @author Anna Pazola
 *
 */
public class RestartProcessInstancesBatchCmd extends AbstractRestartProcessInstanceCmd{

  private final CommandLogger LOG = ProcessEngineLogger.CMD_LOGGER;

  public RestartProcessInstancesBatchCmd(CommandExecutor commandExecutor, RestartProcessInstanceBuilderImpl builder) {
    super(commandExecutor, builder);
  }

  @Override
  public Batch execute(CommandContext commandContext) {
    List instructions = builder.getInstructions();
    Collection processInstanceIds = collectProcessInstanceIds();

    ensureNotEmpty(BadUserRequestException.class, "Restart instructions cannot be empty", "instructions", instructions);
    ensureNotEmpty(BadUserRequestException.class, "Process instance ids cannot be empty", "processInstanceIds", processInstanceIds);
    ensureNotContainsNull(BadUserRequestException.class, "Process instance ids cannot be null", "processInstanceIds", processInstanceIds);

    commandContext.getAuthorizationManager().checkAuthorization(Permissions.CREATE, Resources.BATCH);
    ProcessDefinitionEntity processDefinition = getProcessDefinition(commandContext, builder.getProcessDefinitionId());;

    ensureNotNull(BadUserRequestException.class, "Process definition cannot be null", processDefinition);
    ensureTenantAuthorized(commandContext, processDefinition);

    writeUserOperationLog(commandContext, processDefinition, processInstanceIds.size(), true);

    ArrayList ids = new ArrayList();
    ids.addAll(processInstanceIds);
    BatchEntity batch = createBatch(commandContext, instructions, ids, processDefinition);
    batch.createSeedJobDefinition();
    batch.createMonitorJobDefinition();
    batch.createBatchJobDefinition();

    batch.fireHistoricStartEvent();

    batch.createSeedJob();
    return batch;

  }

  protected BatchEntity createBatch(CommandContext commandContext, List instructions,
      List processInstanceIds, ProcessDefinitionEntity processDefinition) {
    ProcessEngineConfigurationImpl processEngineConfiguration = commandContext.getProcessEngineConfiguration();
    BatchJobHandler batchJobHandler = getBatchJobHandler(processEngineConfiguration);

    RestartProcessInstancesBatchConfiguration configuration = new RestartProcessInstancesBatchConfiguration(
        processInstanceIds, instructions, builder.getProcessDefinitionId(), builder.isInitialVariables(), builder.isSkipCustomListeners(), builder.isSkipIoMappings(), builder.isWithoutBusinessKey());

    BatchEntity batch = new BatchEntity();
    batch.setType(batchJobHandler.getType());
    batch.setTotalJobs(calculateSize(processEngineConfiguration, configuration));
    batch.setBatchJobsPerSeed(processEngineConfiguration.getBatchJobsPerSeed());
    batch.setInvocationsPerBatchJob(processEngineConfiguration.getInvocationsPerBatchJob());
    batch.setConfigurationBytes(batchJobHandler.writeConfiguration(configuration));
    batch.setTenantId(processDefinition.getTenantId());
    commandContext.getBatchManager().insert(batch);

    return batch;
  }

  protected int calculateSize(ProcessEngineConfigurationImpl engineConfiguration, RestartProcessInstancesBatchConfiguration batchConfiguration) {
    int invocationsPerBatchJob = engineConfiguration.getInvocationsPerBatchJob();
    int processInstanceCount = batchConfiguration.getIds().size();

    return (int) Math.ceil(processInstanceCount / invocationsPerBatchJob);
  }

  @SuppressWarnings("unchecked")
  protected BatchJobHandler getBatchJobHandler(ProcessEngineConfigurationImpl processEngineConfiguration) {
    Map> batchHandlers = processEngineConfiguration.getBatchHandlers();
    return (BatchJobHandler) batchHandlers.get(Batch.TYPE_PROCESS_INSTANCE_RESTART);
  }

  protected void ensureTenantAuthorized(CommandContext commandContext, ProcessDefinitionEntity processDefinition) {
    if (!commandContext.getTenantManager().isAuthenticatedTenant(processDefinition.getTenantId())) {
      throw LOG.exceptionCommandWithUnauthorizedTenant("restart process instances of process definition '" + processDefinition.getId() + "'");
    }
  }
}