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Java™ Platform
Standard Ed. 7

DRAFT ea-b118

java.lang.instrument
Class ClassDefinition

java.lang.Object
  extended by 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
Constructor and Description
ClassDefinition(Class<?> theClass, byte[] theClassFile)
          Creates a new ClassDefinition binding using the supplied class and class file bytes.
 
Method Summary
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.

Java™ Platform
Standard Ed. 7

DRAFT ea-b118

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

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DRAFT ea-b118

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