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.backend.model;
  
  import java.io.Serializable;
  
  import javax.persistence.Embeddable;
  import javax.persistence.JoinColumn;
  import javax.persistence.ManyToOne;
  import javax.persistence.Transient;
  
  /**
   * <p>PathNode class.</p>
   */
  @Embeddable
  public class PathNode implements Serializable {
  
    @ManyToOne(optional = false)
    @JoinColumn(name = "constructId", referencedColumnName = "id")
    private ConstructId constructId;
  
    @ManyToOne(optional = true)
    @JoinColumn(name = "lib", referencedColumnName = "digest")
    private Library lib;
  
    @Transient private Dependency dep;
  
    /**
     * <p>Constructor for PathNode.</p>
     */
    public PathNode() {
      super();
    }
  
    /**
     * <p>Constructor for PathNode.</p>
     *
     * @param _cid a {@link org.eclipse.steady.backend.model.ConstructId} object.
     */
    public PathNode(ConstructId _cid) {
      this(_cid, null);
    }
  
    /**
     * <p>Constructor for PathNode.</p>
     *
     * @param _cid a {@link org.eclipse.steady.backend.model.ConstructId} object.
     * @param _lib a {@link org.eclipse.steady.backend.model.Library} object.
     */
    public PathNode(ConstructId _cid, Library _lib) {
      super();
      this.constructId = _cid;
      this.lib = _lib;
    }
  
    /**
     * <p>Getter for the field <code>constructId</code>.</p>
     *
     * @return a {@link org.eclipse.steady.backend.model.ConstructId} object.
     */
    public ConstructId getConstructId() {
      return constructId;
    }
    /**
     * <p>Setter for the field <code>constructId</code>.</p>
     *
     * @param constructId a {@link org.eclipse.steady.backend.model.ConstructId} object.
     */
    public void setConstructId(ConstructId constructId) {
      this.constructId = constructId;
    }
  
    /**
     * <p>Getter for the field <code>lib</code>.</p>
     *
     * @return a {@link org.eclipse.steady.backend.model.Library} object.
     */
    public Library getLib() {
      return lib;
    }
    /**
     * <p>Setter for the field <code>lib</code>.</p>
     *
     * @param lib a {@link org.eclipse.steady.backend.model.Library} object.
     */
    public void setLib(Library lib) {
      this.lib = lib;
    }
  
    /**
     * <p>Getter for the field <code>dep</code>.</p>
     *
     * @return a {@link org.eclipse.steady.backend.model.Dependency} object.
     */
    public Dependency getDep() {
      return dep;
    }
    /**
     * <p>Setter for the field <code>dep</code>.</p>
     *
     * @param dep a {@link org.eclipse.steady.backend.model.Dependency} object.
     */
    public void setDep(Dependency dep) {
      this.dep = dep;
    }
  
    /** {@inheritDoc} */
    @Override
    public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((constructId == null) ? 0 : constructId.hashCode());
      result = prime * result + ((lib == null) ? 0 : lib.hashCode());
      return result;
    }
  
    /** {@inheritDoc} */
    @Override
    public boolean equals(Object obj) {
      if (this == obj) return true;
      if (obj == null) return false;
      if (getClass() != obj.getClass()) return false;
      PathNode other = (PathNode) obj;
      if (constructId == null) {
        if (other.constructId != null) return false;
      } else if (!constructId.equals(other.constructId)) return false;
      if (lib == null) {
        if (other.lib != null) return false;
      } else if (!lib.equals(other.lib)) return false;
      return true;
    }
  }
  