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

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.

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