org.camunda.bpm.engine.impl.cmd.DeleteMetricsCmd Maven / Gradle / Ivy

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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.cmd;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.camunda.bpm.engine.history.UserOperationLogEntry;
import org.camunda.bpm.engine.impl.cfg.CommandChecker;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.PropertyChange;

/**
 * @author Daniel Meyer
 *
 */
public class DeleteMetricsCmd implements Command, Serializable {

  private static final long serialVersionUID = 1L;

  protected Date timestamp;
  protected String reporter;

  public DeleteMetricsCmd(Date timestamp, String reporter) {
    this.timestamp = timestamp;
    this.reporter = reporter;
  }

  public Void execute(CommandContext commandContext) {
    commandContext.getAuthorizationManager().checkCamundaAdminOrPermission(CommandChecker::checkDeleteMetrics);

    writeUserOperationLog(commandContext);

    if(timestamp == null && reporter == null) {
      commandContext.getMeterLogManager()
       .deleteAll();
    }
    else {
      commandContext.getMeterLogManager()
       .deleteByTimestampAndReporter(timestamp, reporter);
    }
    return null;
  }

  protected void writeUserOperationLog(CommandContext commandContext) {
    List propertyChanges = new ArrayList<>();
    if (timestamp != null) {
      propertyChanges.add(new PropertyChange("timestamp", null, timestamp));
    }
    if (reporter != null) {
      propertyChanges.add(new PropertyChange("reporter", null, reporter));
    }
    if (propertyChanges.isEmpty()) {
      propertyChanges.add(PropertyChange.EMPTY_CHANGE);
    }
    commandContext.getOperationLogManager().logMetricsOperation(UserOperationLogEntry.OPERATION_TYPE_DELETE,
        propertyChanges);
  }

}