Class JavaInstanceField

java.lang.Object

com.ibm.dtfj.java.j9.JavaField

com.ibm.dtfj.java.j9.JavaInstanceField

All Implemented Interfaces:

JavaField, JavaMember

public class JavaInstanceField
extends JavaField

Field Summary

Fields declared in class JavaField

_javaVM, ARRAY_PREFIX_SIGNATURE, BOOLEAN_SIGNATURE, BYTE_SIGNATURE, CHAR_SIGNATURE, DOUBLE_SIGNATURE, FLOAT_SIGNATURE, INTEGER_SIGNATURE, LONG_SIGNATURE, OBJECT_PREFIX_SIGNATURE, SHORT_SIGNATURE

Modifier and Type	Field	Description
protected JavaRuntime	_javaVM
protected static final String	ARRAY_PREFIX_SIGNATURE
protected static final String	BOOLEAN_SIGNATURE
protected static final String	BYTE_SIGNATURE
protected static final String	CHAR_SIGNATURE
protected static final String	DOUBLE_SIGNATURE
protected static final String	FLOAT_SIGNATURE
protected static final String	INTEGER_SIGNATURE
protected static final String	LONG_SIGNATURE
protected static final String	OBJECT_PREFIX_SIGNATURE
protected static final String	SHORT_SIGNATURE

Constructor Summary

Constructors

Constructor	Description
JavaInstanceField(JavaRuntime vm, String name, String signature, int modifiers, int offset, long classID)

Method Summary

Modifier and Type	Method	Description
boolean	getBoolean(JavaObject object)	Get the contents of a boolean field.
byte	getByte(JavaObject object)	Get the contents of a byte field.
char	getChar(JavaObject object)	Get the contents of a char field.
Object	getReferenceType(JavaObject object)

Methods declared in class JavaField

equals, get, getDeclaringClass, getDouble, getFloat, getInt, getLong, getModifiers, getName, getShort, getSignature, getString, hashCode

Modifier and Type	Method	Description
boolean	equals(Object obj)	Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
Object	get(JavaObject object)	Get the contents of an Object field.
JavaClass	getDeclaringClass()	Get the class which declares this field or method
double	getDouble(JavaObject object)	Get the contents of a double field.
float	getFloat(JavaObject object)	Get the contents of a float field.
int	getInt(JavaObject object)	Get the contents of an int field.
long	getLong(JavaObject object)	Get the contents of a long field.
int	getModifiers()	Get the set of modifiers for this field or method - a set of bits
String	getName()	Get the name of the field or method
short	getShort(JavaObject object)	Get the contents of a short field.
String	getSignature()	Get the signature of the field or method
String	getString(JavaObject hostObject)	Get the contents of a string field.
int	hashCode()	Answers an integer hash code for the receiver.

Methods declared in class Object

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

Methods declared in interface JavaField

isNestedPacked, isNestedPackedArray

Modifier and Type	Method	Description
default boolean	isNestedPacked()	Deprecated.
default boolean	isNestedPackedArray()	Deprecated.

Constructor Details

JavaInstanceField

public JavaInstanceField(JavaRuntime vm,
 String name,
 String signature,
 int modifiers,
 int offset,
 long classID)

Method Details

getReferenceType

public Object getReferenceType(JavaObject object)
                        throws CorruptDataException,
MemoryAccessException

Throws:

CorruptDataException

MemoryAccessException

getBoolean

public boolean getBoolean(JavaObject object)
                   throws CorruptDataException,
MemoryAccessException

Description copied from interface: JavaField

Get the contents of a boolean field.

Parameters:

object - to fetch the field from. Ignored for static fields.

Returns:

the field contents

Throws:

CorruptDataException

MemoryAccessException

getByte

public byte getByte(JavaObject object)
             throws CorruptDataException,
MemoryAccessException

Description copied from interface: JavaField

Get the contents of a byte field.

Parameters:

object - to fetch the field from. Ignored for static fields

Returns:

the field contents

Throws:

CorruptDataException

MemoryAccessException

getChar

public char getChar(JavaObject object)
             throws CorruptDataException,
MemoryAccessException

Description copied from interface: JavaField

Get the contents of a char field.

Parameters:

object - to fetch the field from. Ignored for static fields.

Returns:

the field contents

Throws:

CorruptDataException

MemoryAccessException