/* Context.java -- Provides calling context information to ScannerStates.
   Copyright (C) 2005 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

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General Public License for more details.

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02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package gnu.java.beans.encoder;

/** A <code>Contect</code> object describes the current state
 * and the call number while processing the original object
 * tree in the {@link ScanEngine}.
 * 
 * <p>The class allows to distinguish the different calling states
 * and is neccessary for the child element skipping feature of
 * the {@link GenericScannerState}.</p> 
 *  
 * @author Robert Schuster (robertschuster@fsfe.org)
 *
 */
public class Context
{
  private String state;
  
  private int call;
  
  Context(String newState, int newCall)
  {
    state = newState;
    call = newCall;
  }

  public int hashCode()
  {
    int hc = 7;
    hc = 31 * hc + state.hashCode();
    hc = 31 * hc + call;
    
    return hc;
  }
  
  public boolean equals(Object o)
  {
    if (!(o instanceof Context))
      return false;
    
    Context that = (Context) o;
    
    return state.equals(that.state)
      && call == that.call;
  }
  
  public String toString()
  {
    return "Context [state=" + state + ", call=" + call + "]";
  }
}