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:

  • Constructor Summary

    Constructors
    Constructor
    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
    Description
    Class<?>
    getDefinitionClass()
    Returns the class.
    byte[]
    getDefinitionClassFile()
    Returns the array of bytes that contains the new class file.

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Creates and returns a copy of this object.
    boolean
    equals(Object obj)
    Indicates whether some other object is "equal to" this one.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Finalization is deprecated and subject to removal in a future release.
    final Class<?>
    getClass()
    Returns the runtime class of this Object.
    int
    hashCode()
    Returns a hash code value for this object.
    final void
    notify()
    Wakes up a single thread that is waiting on this object's monitor.
    final void
    notifyAll()
    Wakes up all threads that are waiting on this object's monitor.
    String
    toString()
    Returns a string representation of the object.
    final void
    wait()
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
    final void
    wait(long timeoutMillis)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
    final void
    wait(long timeoutMillis, int nanos)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

  • 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.