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gnu.classpath.jdwp.id

Class ObjectId

Known Direct Subclasses:
ArrayId, ClassLoaderId, ClassObjectId, NullObjectId, StringId, ThreadGroupId, ThreadId
public class ObjectId
extends JdwpId
This is a base class for all ObjectID-like entities in JDWP, inculding Objects, ClassObject, ClassLoader, Thread, ThreadGroup, etc.

Field Summary

static Class<T>
typeClass
The object class that this id represents

Fields inherited from class gnu.classpath.jdwp.id.JdwpId

SIZE, _id, _reference

Constructor Summary

ObjectId()
Constructs a new ObjectId
ObjectId(byte tag)
Constructs a new ObjectId of the given type.

Method Summary

void
disableCollection()
Disable garbage collection on object
void
enableCollection()
Enable garbage collection on object
Object
getObject()
Returns the object referred to by this ID
void
write(DataOutputStream outStream)
Writes the id to the stream

Methods inherited from class gnu.classpath.jdwp.id.JdwpId

equals, getId, getReference, setId, setReference, write, writeTagged

Methods inherited from class java.lang.Object

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

Field Details

typeClass

public static final Class<T> typeClass
The object class that this id represents

Constructor Details

ObjectId

public ObjectId()
Constructs a new ObjectId

ObjectId

public ObjectId(byte tag)
Constructs a new ObjectId of the given type.
Parameters:
tag - the tag of this type of object ID

Method Details

disableCollection

public void disableCollection()
            throws InvalidObjectException
Disable garbage collection on object

enableCollection

public void enableCollection()
Enable garbage collection on object

getObject

public Object getObject()
            throws InvalidObjectException
Returns the object referred to by this ID
Throws:
InvalidObjectException - if the object was garbage collected or is invalid

write

public void write(DataOutputStream outStream)
            throws IOException
Writes the id to the stream
Overrides:
write in interface JdwpId
Parameters:
outStream - the stream to which to write
Throws:
IOException - when an error occurs on the OutputStream
ObjectId.java -- object IDs 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.

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