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/*
 * JPPF.
 * Copyright (C) 2005-2015 JPPF Team.
 * http://www.jppf.org
 *
 * Licensed 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.jppf.ui.monitoring.charts;

import org.jppf.ui.monitoring.charts.config.ChartConfiguration;


/**
 * Common interface for all chart handlers, which configure, create, initially populate and update various
 * types of charts.
 * @author Laurent Cohen
 */
public interface ChartHandler
{
  /**
   * Create a chart based on a chart configuration.
   * @param config holds the configuration parameters for the chart created, modified by this method.
   * @return a ChartConfiguration instance.
   */
  ChartConfiguration createChart(ChartConfiguration config);
  /**
   * Populate a dataset based on a chart configuration.
   * @param config the chart configuration containing the dataset to populate.
   * @return a ChartConfiguration instance.
   */
  ChartConfiguration populateDataset(ChartConfiguration config);
  /**
   * Update a dataset based on a chart configuration..
   * @param config the chart configuration containing the dataset to update.
   * @return a ChartConfiguration instance.
   */
  ChartConfiguration updateDataset(ChartConfiguration config);
}