content: /*
   * Copyright 2020 American Express Travel Related Services Company, Inc.
   *
   * 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 com.americanexpress.unify.flowret;
  
  import com.americanexpress.unify.jdocs.Document;
  
  /*
   * @author Deepak Arora
   */
  public interface FlowretDao {
  
    /**
     * Method invoked to write the document to the data store
     *
     * @param key the key used to identify the document
     * @param d   the JDocs document
     */
    public void write(String key, Document d);
  
    /**
     * The method used to read a document from the data store
     *
     * @param key the key of the document to read
     * @return
     */
    public Document read(String key);
  
    /**
     * The method used to increment the value of a counter
     *
     * @param key the key for the counter
     * @return the incremented value of the counter
     */
    public long incrCounter(String key);
  
  }
  