com.sun.jdo.api.persistence.enhancer.classfile.ConstBasic Maven / Gradle / Ivy
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package com.sun.jdo.api.persistence.enhancer.classfile;
import java.io.*;
/**
* Abstract base class of the types which represent entries in
* the class constant pool.
*/
abstract public class ConstBasic implements VMConstants {
/* The index of the constant entry in the constant pool */
protected int index = 0;
/* public accessors */
/* Get the index of this constant entry */
public int getIndex() { return index; }
/* Return the type of the constant entry - see VMConstants */
public abstract int tag ();
/* package local methods */
/**
* Sets the index of this constant with its containing constant pool
*/
void setIndex(int ind) { index = ind; }
/**
* Write this Constant pool entry to the output stream
*/
abstract void formatData (DataOutputStream b) throws IOException;
/**
* Resolve integer index references to the actual constant pool
* entries that they represent. This is used during class file
* reading because a constant pool entry could have a forward
* reference to a higher numbered constant.
*/
abstract void resolve (ConstantPool p);
/**
* Return the index of this constant in the constant pool as
* a decimal formatted String.
*/
String indexAsString() { return Integer.toString(index); }
/**
* The constructor for subtypes
*/
ConstBasic () {}
}