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This module contains all API code. External dependencies should be limited. Any changes to public methods should be avoided. While the API module does not have compile time dependency on fluo-core, you must include fluo-core as a run-time dependency.

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/*
 * Copyright 2014 Fluo authors (see AUTHORS)
 * 
 * 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 io.fluo.api.client;

import org.apache.commons.configuration.Configuration;

/**
 * Interface that is implemented by users to load data into Fluo. Loader classes are executed by a
 * {@link LoaderExecutor}.
 */
public interface Loader {

  interface Context {
    /**
     * @return A configuration object with application configuration like that returned by
     *         {@link FluoClient#getAppConfiguration()}
     */
    Configuration getAppConfiguration();
  }

  /**
   * Users implement this method to load data into Fluo using the provided {@link TransactionBase}.
   * The transaction will be committed and closed by Fluo after this method returns
   */
  void load(TransactionBase tx, Context context) throws Exception;
}