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package com.sun.jdo.api.persistence.enhancer.classfile;

import java.io.*;

/**
 * Class representing a double constant in the constant pool of a class file
 */

public class ConstDouble extends ConstValue {
  /* The tag value associated with ConstDouble */
  public static final int MyTag = CONSTANTDouble;

  /* The value */
  private double doubleValue;

  /* public accessors */

  /**
   * The tag of this constant entry
   */
  public int tag () {
    return MyTag;
  }

  /**
   * return the value associated with the entry
   */
  public double value() {
    return doubleValue;
  }

  /**
   * Return the descriptor string for the constant type.
   */
  public String descriptor() {
      return "D";//NOI18N
  }

  /**
   * A printable representation
   */
  public String toString () {
      return "CONSTANTDouble(" + indexAsString() + "): " + //NOI18N
          "doubleValue(" + Double.toString(doubleValue) + ")";//NOI18N
  }

  /* package local methods */

  /**
   * Construct a ConstDouble object 
   */
  ConstDouble (double f) {
    doubleValue = f;
  }

  void formatData (DataOutputStream b) throws IOException {
    b.writeDouble(doubleValue);
  }

  static ConstDouble read (DataInputStream input) throws IOException {
    return new ConstDouble (input.readDouble());
  }

  void resolve (ConstantPool p) { }
}