com.cmpware.cmp
Class MemoryAccessException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          com.cmpware.cmp.MemoryAccessException

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

MemoryMappedIOException

public class MemoryAccessException
extends java.lang.Exception

This class implements the Memory Access Exception. This is thrown whenever an attempt is made to access an illegal memory address.

Copyright (c) 2004 Cmpware, Inc. All Rights Reserved.

Author:

SAG

See Also:

Serialized Form

Field Summary

protected int	addr The address access that caused the exception
static java.lang.String	copyright Copyright string
protected int	data The data of the attempted to be read / write that caused the exception
protected boolean	isWrite Did a read or a write cause the exception?
(package private) static long	serialVersionUID

Constructor Summary

MemoryAccessException()
The constructor

MemoryAccessException(int addr)
A constructor.

MemoryAccessException(int addr, int data)
A constructor.

MemoryAccessException(java.lang.String msg)
A constructor.

MemoryAccessException(java.lang.String msg, int addr)
A constructor.

MemoryAccessException(java.lang.String msg, int addr, int data)
A constructor.

Method Summary

int	getAddress() This method returns the memory address that caused the exception.
int	getData() This method returns the data that was attempted to be read / written when the exception occurred.
boolean	isWrite() This method returns true if the memory access which caused the exception was a write and a false if it was a read.

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

copyright

public static final java.lang.String copyright

Copyright string

See Also:

Constant Field Values

addr

protected int addr

The address access that caused the exception

data

protected int data

The data of the attempted to be read / write that caused the exception

isWrite

protected boolean isWrite

Did a read or a write cause the exception?

serialVersionUID

static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

MemoryAccessException

public MemoryAccessException()

The constructor

MemoryAccessException

public MemoryAccessException(java.lang.String msg)

A constructor.

Parameters:

msg - The exception message string.

MemoryAccessException

public MemoryAccessException(java.lang.String msg,
                             int addr)

A constructor. This is used primarily for reads, where the data read may not be available.

Parameters:

msg - The exception message string.

addr - The address of the memory access which caused the exception.

MemoryAccessException

public MemoryAccessException(int addr)

A constructor. This is used primarily for reads, where the data read may not be available.

Parameters:

addr - The address of the memory access which caused the exception.

MemoryAccessException

public MemoryAccessException(java.lang.String msg,
                             int addr,
                             int data)

A constructor. This is used primarily for writes, where the data being written may be useful.

Parameters:

msg - The exception message string.

addr - The address of the memory access which caused the exception.

data - If the access is a write, this parameter contains the data attempted to be written when the exception occurred.

MemoryAccessException

public MemoryAccessException(int addr,
                             int data)

A constructor. This is used primarily for writes, where the data being written may be useful.

Parameters:

addr - The address of the memory access which caused the exception.

data - If the access is a write, this parameter contains the data attempted to be written when the exception occurred.

Method Detail

getAddress

public int getAddress()

This method returns the memory address that caused the exception.

Returns:

This method returns the memory address that caused the exception.

getData

public int getData()

This method returns the data that was attempted to be read / written when the exception occurred.

Returns:

This method returns the data that was attempted to be read / written when the exception occurred.

isWrite

public boolean isWrite()

This method returns true if the memory access which caused the exception was a write and a false if it was a read.

Returns:

This method returns true if the memory access which caused the exception was a write and a false if it was a read.