java.lang.instrument

Class 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(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, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

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 Details

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.