iclint.java

SRI international 发布的OAA框架软件

package com.sri.oaa2.icl;

/**
 * Represents an integer with at least 64 bits of precision.
 */
public class IclInt extends IclAtomic
{
  /// internal value
  protected Long value;

  protected void setSign(long i) 
  {
    this.setValueFromLong(i * this.toLong());
  }

  /**
   * Create a new IclInt with no value.  You must use setValue or setValueFromInt
   */
  public IclInt() 
  {
    super(OaaPrologVocabTokenTypes.INT);
  }

  /**
   * Create a new IclInt with the given value
   */
  public IclInt(int v) 
  {
    super(OaaPrologVocabTokenTypes.INT);    
    setValue(new Long(v));
  }

  /**
   * Create a new IclInt with the given value
   */
  public IclInt(long v) 
  {
    super(OaaPrologVocabTokenTypes.INT);    
    setValue(new Long(v));
  }

  /**
   * Set the value from an int.
   */
  protected final void setValueFromInt(int i)
  {
    setValue(new Long(i));
  }

  /**
   * Set the value from a long.
   */
  protected final void setValueFromLong(long l) 
  {
    setValue(new Long(l));
  }
  
  /**
   * Set the value from an Integer object
   */
  protected final void setValue(Integer i) 
  {
    if(i == null) {
      throw new NullPointerException("IclInt.setValue() cannot set value from null");
    }
    setValue(new Long(i.longValue()));
  }

  /**
   * Set the value from a Long object
   */
  protected final void setValue(Long i) 
  {
    if(i == null) {
      throw new NullPointerException("IclInt.setValue() cannot set value from null");
    }
    value = i;
    this.setCrc(i.hashCode());
  }

  /**
   * Get the value as a Long object
   */
  protected final Long getValue() 
  {
    return value;
  }

  /**
   * Get the value as an int
   */
  public final int toInt() 
  {
    return getValue().intValue();
  }
  
  /**
   * Get the value as a long
   */
  public final long toLong() 
  {
    return getValue().longValue();
  }

  /**
   * Get the value as an Integer object
   */
  public final Integer toInteger() 
  {
    return new Integer(toInt());
  }

  /**
   * Get the value as a Long object
   */
  public final Long toLongObject() 
  {
    return getValue();
  }

  /** Accept the visitor. **/
  protected final Object accept(OaaPrologVisitor visitor, Object data) {
    return visitor.visit(this, data);
  }

  /**
   * @deprecated use toInt()
   */
  public final int iclInt() 
  {
    return toInt();
  }
  
  /**
   * @deprecated use toInteger().floatValue()
   */
  public final float iclFloat() 
  {
    return toInteger().floatValue();
  }

  public boolean equals(Object o) 
  {
    if(!(o instanceof IclInt)) {
      return false;
    }
    
    IclInt i = (IclInt)o;
    
    if(this.getCrc() != i.getCrc()) {
      return false;
    }
    
    if(!this.getValue().equals(i.getValue())) {
      return false;
    }
    
    return true;
  }
}