java.lang.instrument

Class ClassDefinition

java.lang.Object

java.lang.instrument.ClassDefinition

public final class ClassDefinition
extends Object

This class serves as a parameter block to the Instrumentation.redefineClasses method. Serves to bind the Class that needs redefining together with the new class file bytes.

Since:

1.5

See Also:

Instrumentation.redefineClasses(java.lang.instrument.ClassDefinition...)

Constructor Summary

Constructors

Constructor and Description
ClassDefinition(Class<?> theClass, byte[] theClassFile) Creates a new ClassDefinition binding using the supplied class and class file bytes.

Method Summary

Methods

Modifier and Type	Method and Description
Class<?>	getDefinitionClass() Returns the class.
byte[]	getDefinitionClassFile() Returns the array of bytes that contains the new class file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassDefinition

public ClassDefinition(Class<?> theClass,
               byte[] theClassFile)

Creates a new ClassDefinition binding using the supplied class and class file bytes. Does not copy the supplied buffer, just captures a reference to it.

Parameters:

theClass - the Class that needs redefining

theClassFile - the new class file bytes

Throws:

NullPointerException - if the supplied class or array is null.

Method Detail

getDefinitionClass

public Class<?> getDefinitionClass()

Returns the class.

Returns:

the Class object referred to.

getDefinitionClassFile

public byte[] getDefinitionClassFile()

Returns the array of bytes that contains the new class file.

Returns:

the class file bytes.