edu.rice.cs.cunit.classFile.constantPool
Class EmptyPoolInfo

java.lang.Object
  edu.rice.cs.cunit.classFile.constantPool.APoolInfo
      edu.rice.cs.cunit.classFile.constantPool.EmptyPoolInfo

public class EmptyPoolInfo
extends APoolInfo

Represents an empty slot in the constant pool.

Author:

Mathias Ricken

Field Summary

private static EmptyPoolInfo

_instance Singleton instance.

Fields inherited from class edu.rice.cs.cunit.classFile.constantPool.APoolInfo

_constantPool, _type, CONSTANT_Class, CONSTANT_Double, CONSTANT_Fieldref, CONSTANT_Float, CONSTANT_Integer, CONSTANT_InterfaceMethodref, CONSTANT_Long, CONSTANT_Methodref, CONSTANT_NameAndType, CONSTANT_String, CONSTANT_Utf8_ASCII, CONSTANT_Utf8_Unicode

Constructor Summary

private

EmptyPoolInfo() Singleton constructor.

Method Summary

boolean	equals(java.lang.Object obj) Compare this object and another one.
<R,D> R	execute(IPoolInfoVisitor<R,D> visitor, D data) Execute a visitor.
int	hashCode() Return a hash code.
void	reindex() Reindex constant pool indices.
void	resolve() Resolve constant pool objects.
static EmptyPoolInfo	singleton() Singleton accessor.
java.lang.String	toString() Return a human-readable version of this constant pool object.
java.lang.String	toStringVerbose() Return a human-readable version of this constant pool object.
void	write(java.io.DataOutputStream dos) Write this constant pool object into the stream, including the type byte.

Methods inherited from class edu.rice.cs.cunit.classFile.constantPool.APoolInfo

inPool, read

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

_instance

private static EmptyPoolInfo _instance

Singleton instance.

Constructor Detail

EmptyPoolInfo

private EmptyPoolInfo()

Singleton constructor.

Method Detail

singleton

public static EmptyPoolInfo singleton()

Singleton accessor.

Returns:

singleton

write

public void write(java.io.DataOutputStream dos)
           throws java.io.IOException

Write this constant pool object into the stream, including the type byte.

Specified by:

write in class APoolInfo

Parameters:

dos - stream

Throws:

java.io.IOException

resolve

public void resolve()

Resolve constant pool objects. This makes sure that the object links match the index links.

Specified by:

resolve in class APoolInfo

reindex

public void reindex()

Reindex constant pool indices. This makes sure the index links match the object links.

Specified by:

reindex in class APoolInfo

toString

public java.lang.String toString()

Return a human-readable version of this constant pool object.

Specified by:

toString in class APoolInfo

Returns:

string

toStringVerbose

public java.lang.String toStringVerbose()

Return a human-readable version of this constant pool object.

Specified by:

toStringVerbose in class APoolInfo

Returns:

string

hashCode

public int hashCode()

Return a hash code.

Specified by:

hashCode in class APoolInfo

Returns:

hash code

equals

public boolean equals(java.lang.Object obj)

Compare this object and another one.

Specified by:

equals in class APoolInfo

Parameters:

obj - other object

Returns:

true if the same

execute

public <R,D> R execute(IPoolInfoVisitor<R,D> visitor,
                       D data)

Execute a visitor.

Specified by:

execute in class APoolInfo

Parameters:

visitor - visitor

data - visitor-specific parameter

Returns:

visitor-specific return value