Module java.instrument
Package 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 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.