ClassDefinition (Java 2 Platform SE 5.0) (original) (raw)

java.lang.instrument

Class ClassDefinition

java.lang.Object extended by java.lang.instrument.ClassDefinition

public final class ClassDefinition

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

Constructor Summary
[ClassDefinition](../../../java/lang/instrument/ClassDefinition.html#ClassDefinition%28java.lang.Class, byte[]%29)(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](../../../java/lang/Object.html#wait%28long, int%29)

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](../../../java/lang/NullPointerException.html "class in java.lang") - 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.

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.