Package com.tonic.analysis.execution.heap

Class ObjectInstance

java.lang.Object

com.tonic.analysis.execution.heap.ObjectInstance

Direct Known Subclasses:

ArrayInstance

public class ObjectInstance
extends Object

A simulated heap object identified by id, holding fields keyed by owner, name, and descriptor.

Constructor Summary

Constructors

Constructor	Description
ObjectInstance(int id, String className)	Creates an object with no fields set.

Method Summary

Modifier and Type	Method	Description
String	getClassName()
Object	getField(String owner, String name, String descriptor)	Reads a field value.
int	getId()
int	getIdentityHashCode()
int	hashCode()
boolean	isInstanceOf(String className)	Checks assignability by exact class match, treating java/lang/Object as a universal supertype.
void	setClassResolver(Object classResolver)	Attaches the resolver used for type hierarchy queries.
void	setField(String owner, String name, String descriptor, Object value)	Writes a field value.
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ObjectInstance

public ObjectInstance(int id,
                      String className)

Creates an object with no fields set.

Parameters:

id - the heap object id

className - internal name of the object's class

Method Detail

getId

public int getId()

Returns:

the id

getClassName

public String getClassName()

Returns:

the class name

getField

public Object getField(String owner,
                       String name,
                       String descriptor)

Reads a field value.

Parameters:

owner - internal name of the declaring class

name - the field's name

descriptor - the field's type descriptor

Returns:

the stored value, or null if the field was never set

setField

public void setField(String owner,
                     String name,
                     String descriptor,
                     Object value)

Writes a field value.

Parameters:

owner - internal name of the declaring class

name - the field's name

descriptor - the field's type descriptor

value - the value to store

setClassResolver

public void setClassResolver(Object classResolver)

Attaches the resolver used for type hierarchy queries.

Parameters:

classResolver - the resolver to attach

isInstanceOf

public boolean isInstanceOf(String className)

Checks assignability by exact class match, treating java/lang/Object as a universal supertype.

Parameters:

className - internal name of the candidate type

Returns:

true if the class names match exactly or the candidate is java/lang/Object

getIdentityHashCode

public int getIdentityHashCode()

Returns:

the identity hash code

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object