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Java Source Code / Java Documentation » Byte Code » PROSE » ch.ethz.prose.jvmai.jikesrvm.advice_weaver 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   ch.ethz.prose.jvmai.jikesrvm.advice_weaver.FieldWeaver

FieldWeaver
public class FieldWeaver (Code)
Remembers the fields where a callback should be inserted. For each method that references the specified field, a callback is woven using the MethodWeaver class.
version:
   $Revision$
author:
   Johann Gyger
author:
   Angela Nicoara


Field Summary
protected  booleanfieldAccessEnabled
    
protected  booleanfieldModificationEnabled
    
protected  booleanmodified
    
protected  Fieldtarget
     Field bound to this weaver.
protected static  Mapweavers
     Collection of all field weavers.

Constructor Summary
protected  FieldWeaver(Field target)
     Create a new field weaver.

Method Summary
public static synchronized  voidcommit()
     Re-weave all modified f and activate them in the VM.
public  StringdebugString()
    
protected  MethodgetMethod(int id)
    
public static synchronized  FieldWeavergetWeaver(Field target)
     Get a unique field weaver for `target'.
public static synchronized  voidresetAll()
     Reset all field weavers.
public  voidsetFieldAccessEnabled(boolean flag)
     Enable field access join point.
public  voidsetFieldModificationEnabled(boolean flag)
     Enable field modification join point.
protected  voidweave()
     Weave advice that are associated with the field in this weaver.

Field Detail
fieldAccessEnabled
protected boolean fieldAccessEnabled(Code)
Is field access join point activated?



fieldModificationEnabled
protected boolean fieldModificationEnabled(Code)
Is field modificatin join point activated?



modified
protected boolean modified(Code)
Is a re-weaving of the callbacks for the field in this weaver necessary?



target
protected Field target(Code)
Field bound to this weaver.



weavers
protected static Map weavers(Code)
Collection of all field weavers. For each field there exists exactly one field weaver in the system.




Constructor Detail
FieldWeaver
protected FieldWeaver(Field target)(Code)
Create a new field weaver.
Parameters:
  target - target field for which callbacks will be woven




Method Detail
commit
public static synchronized void commit()(Code)
Re-weave all modified f and activate them in the VM.



debugString
public String debugString()(Code)



getMethod
protected Method getMethod(int id)(Code)
Get the method with id `id'
Parameters:
  id - method id method



getWeaver
public static synchronized FieldWeaver getWeaver(Field target)(Code)
Get a unique field weaver for `target'.
Parameters:
  target - field that will be woven



resetAll
public static synchronized void resetAll()(Code)
Reset all field weavers.



setFieldAccessEnabled
public void setFieldAccessEnabled(boolean flag)(Code)
Enable field access join point.
Parameters:
  flag - enable/disable



setFieldModificationEnabled
public void setFieldModificationEnabled(boolean flag)(Code)
Enable field modification join point.
Parameters:
  flag - enable/disable



weave
protected void weave()(Code)
Weave advice that are associated with the field in this weaver. The weaving is actually done by the MethodWeaver. This method only informs the MethodWeaver instances that are involved.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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