Пример #1
0
  /* (non-Javadoc)
   * @see cs127db.server.sql.nodes.Node#equals(java.lang.Object)
   */
  @Override
  public boolean equals(Object other) {
    if ((other == null) || !(other instanceof NodeCondition)) {
      return false;
    }
    NodeCondition otherCondition = (NodeCondition) other;

    boolean areColumnsEqual = m_lhs.equals(otherCondition.m_lhs);

    boolean areCondOpsEqual = false;
    if (m_condop == null) {
      areCondOpsEqual = (otherCondition.m_condop == null);
    } else {
      areCondOpsEqual = m_condop.equals(otherCondition.m_condop);
    }

    boolean areNextsEqual = false;
    if (m_rhs == null) {
      areNextsEqual = (otherCondition.m_rhs == null);
    } else {
      areNextsEqual = m_rhs.equals(otherCondition.m_rhs);
    }

    return areCondOpsEqual && areColumnsEqual && areNextsEqual;
  }
Пример #2
0
  /*
   * (non-Javadoc)
   *
   * @see cs127db.server.sql.nodes.Node#visit(cs127db.server.sql.Visitor)
   */
  @Override
  public void visit(BDVisitor visitor) {
    visitor.handleCondition(this);

    m_lhs.visit(visitor);
    m_condop.visit(visitor);
    m_rhs.visit(visitor);
  }