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/* Qilin - a Java Pointer Analysis Framework
 * Copyright (C) 2021-2030 Qilin developers
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3.0 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 */

package qilin.core.pag;

import qilin.core.sets.DoublePointsToSet;
import qilin.util.Numberable;
import sootup.core.types.Type;

/**
 * Represents every node in the pointer assignment graph.
 *
 * @author Ondrej Lhotak
 */
public class Node implements Numberable {
  protected Type type;
  protected DoublePointsToSet p2set;
  private int number = 0;

  /** Creates a new node of pointer assignment graph pag, with type type. */
  protected Node(Type type) {
    this.type = type;
  }

  @Override
  public final int hashCode() {
    return number;
  }

  public final boolean equals(Object other) {
    return this == other;
  }

  /** Returns the declared type of this node, null for unknown. */
  public Type getType() {
    return type;
  }

  public final int getNumber() {
    return number;
  }

  public final void setNumber(int number) {
    this.number = number;
  }
}