code: /**
   * This file is part of Eclipse Steady.
   *
   * 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.cg;
  
  import java.util.ArrayList;
  import java.util.HashSet;
  import java.util.LinkedList;
  
  import org.eclipse.steady.shared.json.model.ConstructId;
  
  import com.ibm.wala.util.graph.Graph;
  
  /**
   * To implement different algorithms of computing all paths
   */
  public abstract class AbstractGetPaths {
  
    protected Graph<Integer> graph = null;
    protected ArrayList<ConstructId> nodeId = null;
  
    /**
     * <p>Constructor for AbstractGetPaths.</p>
     *
     * @param _graph a {@link com.ibm.wala.util.graph.Graph} object.
     * @param _nodeid a {@link java.util.ArrayList} object.
     */
    public AbstractGetPaths(Graph<Integer> _graph, ArrayList<ConstructId> _nodeid) {
      this.graph = _graph;
      this.nodeId = _nodeid;
    }
  
    /**
     * <p>getAllPaths.</p>
     *
     * @param _src a {@link org.eclipse.steady.shared.json.model.ConstructId} object.
     * @param _tgt a {@link org.eclipse.steady.shared.json.model.ConstructId} object.
     * @return a {@link java.util.HashSet} object.
     */
    public abstract HashSet<LinkedList<ConstructId>> getAllPaths(ConstructId _src, ConstructId _tgt);
  }
  