gnu.classpath.jdwp.id

Class JdwpId

Known Direct Subclasses:
ObjectId, ReferenceTypeId

public abstract class JdwpId
extends Object

A baseclass for all object types reported to the debugger

Field Summary

static int
SIZE
The size of an ID.
protected long
_id
ID assigned to this object
protected SoftReference<T>
_reference
The object/class represented by this Id

Constructor Summary

JdwpId(byte tag)
Constructs an empty JdwpId

Method Summary

boolean
equals(JdwpId id)
Compares two object ids for equality.
long
getId()
Returns the id for this object reference
SoftReference<T>
getReference()
Gets the object/class reference for this ID
void
setId(long id)
Sets the id for this object reference
void
setReference(SoftReference<T> ref)
Sets the object/class reference for this ID
abstract void
write(DataOutputStream outStream)
Writes the contents of this type to the DataOutputStream
void
writeTagged(DataOutputStream outStream)
Writes the contents of this type to the output stream, preceded by a one-byte tag for tagged object IDs or type tag for reference type IDs.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SIZE

public static final int SIZE
The size of an ID. The default is 8 bytes (a long).
Field Value:
8

_id

protected long _id
ID assigned to this object

_reference

protected SoftReference<T> _reference
The object/class represented by this Id

Constructor Details

JdwpId

public JdwpId(byte tag)
Constructs an empty JdwpId

Method Details

equals

public boolean equals(JdwpId id)
Compares two object ids for equality. Two object ids are equal if they point to the same type and contain to the same id number.

getId

public long getId()
Returns the id for this object reference

getReference

public SoftReference<T> getReference()
Gets the object/class reference for this ID

setId

public void setId(long id)
Sets the id for this object reference

setReference

public void setReference(SoftReference<T> ref)
Sets the object/class reference for this ID
Parameters:
ref - a refernce to the object or class

write

public abstract void write(DataOutputStream outStream)
            throws IOException
Writes the contents of this type to the DataOutputStream
Parameters:
outStream - the DataOutputStream to use
Throws:
IOException - when an error occurs on the OutputStream

writeTagged

public void writeTagged(DataOutputStream outStream)
            throws IOException
Writes the contents of this type to the output stream, preceded by a one-byte tag for tagged object IDs or type tag for reference type IDs.
Parameters:
outStream - the DataOutputStream to use
Throws:
IOException - when an error occurs on the OutputStream

JdwpId.java -- base class for all object ID types Copyright (C) 2005, 2006 Free Software Foundation This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.