ObjectManager (2013 FRC Java API)

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com.sun.squawk.debugger.sda
Class ObjectManager

java.lang.Object
  com.sun.squawk.debugger.sda.ObjectManager

public class ObjectManager
extends Object
extends Object

This class manages mapping objects in the VM to JDWP objectIDs. This includes the JDWP types: objectID, tagged-objectID, threadID, threadGroupID, stringID, classObjectID, arrayID. It does NOT include referenceTypeID (and subtypes classID, arrayTypeID, interfaceID), methodID, or fieldID.

Constructor Summary
`ObjectManager()`

Method Summary
`Klass`	`getClassForID(DataType.ObjectID objectID)`
`DataType.ObjectID`	`getIDForObject(Object object)` Gets a JDWP objectID for an object.
`Object`	`getObjectForID(DataType.ObjectID objectID)` Gets the object corresponding to a given JDWP objectID value.
`String`	`getStringForID(DataType.ObjectID objectID)`
`VMThread`	`getThreadForID(DataType.ObjectID objectID)`
`void`	`writeTaggedObject(PacketOutputStream out, Object object, String s)` Writes the JDWP tag and object ID of an object to a given packet stream.

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

ObjectManager

public ObjectManager()

Method Detail

getIDForObject

public DataType.ObjectID getIDForObject(Object object)

Gets a JDWP objectID for an object.

Parameters:: object - the object to get an identifier for
Returns:: an identifier for object

getObjectForID

public Object getObjectForID(DataType.ObjectID objectID)
                      throws SDWPException

Gets the object corresponding to a given JDWP objectID value.

Parameters:: objectID - the identifier denoting an object
Returns:: the object corresponding to id or null if the object has been garbage collected
Throws:: SDWPException - if objectID does not denote a null object but the object it does denote has been garbage collected

getThreadForID

public VMThread getThreadForID(DataType.ObjectID objectID)
                        throws SDWPException

Throws:: SDWPException

getStringForID

public String getStringForID(DataType.ObjectID objectID)
                      throws SDWPException

Throws:: SDWPException

getClassForID

public Klass getClassForID(DataType.ObjectID objectID)
                    throws SDWPException

Throws:: SDWPException

writeTaggedObject

public void writeTaggedObject(PacketOutputStream out,
                              Object object,
                              String s)
                       throws IOException

Writes the JDWP tag and object ID of an object to a given packet stream.

Parameters:: out - the stream to write to; object - the object to write; s - prefix to use if this write is logged. A value of null prevents logging altogether.
Throws:: IOException