Package org.jboss.byteman.agent

Class Location.FieldAccessLocation

java.lang.Object

org.jboss.byteman.agent.Location

org.jboss.byteman.agent.Location.AccessLocation

org.jboss.byteman.agent.Location.FieldAccessLocation

Enclosing class:

Location

private static class Location.FieldAccessLocation
extends Location.AccessLocation

location identifying a field access trigger point

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.String	fieldName	the name of the field being accessed at the point where the trigger point should be inserted
private java.lang.String	typeName	the name of the type to which the field belongs or null if any type will do

Fields inherited from class org.jboss.byteman.agent.Location.AccessLocation

count, flags, whenComplete

Fields inherited from class org.jboss.byteman.agent.Location

ACCESS_READ, ACCESS_WRITE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	FieldAccessLocation(java.lang.String typeName, java.lang.String fieldName, int count, int flags, boolean whenComplete)	construct a location identifying a field read trigger point

Method Summary

Modifier and Type	Method	Description
RuleTriggerAdapter	getRuleAdapter(org.objectweb.asm.ClassVisitor cv, TransformContext transformContext)	return an adapter which can be used to insert a trigger call in a method containing a trigger point whose position matches this location
RuleCheckAdapter	getRuleCheckAdapter(org.objectweb.asm.ClassVisitor cv, TransformContext transformContext)	return an adapter which can be used to check whether a method contains a trigger point whose position matches this location
java.lang.String	toString()

Methods inherited from class org.jboss.byteman.agent.Location.AccessLocation

create, getLocationType

Methods inherited from class org.jboss.byteman.agent.Location

create

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

fieldName

private java.lang.String fieldName

the name of the field being accessed at the point where the trigger point should be inserted

typeName

private java.lang.String typeName

the name of the type to which the field belongs or null if any type will do

Constructor Detail

FieldAccessLocation

private FieldAccessLocation(java.lang.String typeName,
                            java.lang.String fieldName,
                            int count,
                            int flags,
                            boolean whenComplete)

construct a location identifying a field read trigger point

Parameters:

typeName - the name of the class owning the field

fieldName - the name of the field being read

count - count identifying which access should be taken as the trigger point

flags - bit field comprising one or other of flags ACCESS_READ and ACCESS_WRITE identifying whether this specifies field READ or WRITE operations

whenComplete - false if the trigger should be inserted before the access is performed and true if it should be inserted after

Method Detail

getRuleCheckAdapter

public RuleCheckAdapter getRuleCheckAdapter(org.objectweb.asm.ClassVisitor cv,
                                            TransformContext transformContext)

return an adapter which can be used to check whether a method contains a trigger point whose position matches this location

Specified by:

getRuleCheckAdapter in class Location

Parameters:

cv - the current class visitor

transformContext - the current transform context

Returns:

the required adapter

getRuleAdapter

public RuleTriggerAdapter getRuleAdapter(org.objectweb.asm.ClassVisitor cv,
                                         TransformContext transformContext)

return an adapter which can be used to insert a trigger call in a method containing a trigger point whose position matches this location

Specified by:

getRuleAdapter in class Location

Parameters:

cv - the current class visitor

transformContext - the current transform context

Returns:

the required adapter

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object