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:

JDK1.5

See Also:

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

Constructor Summary

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

Method Summary

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.