org.jboss.byteman.agent

Class Location

java.lang.Object

org.jboss.byteman.agent.Location

public abstract class Location
extends Object

Specifies a location in a method at which a rule trigger should be inserted

Field Summary

Fields

Modifier and Type	Field and Description
static int	ACCESS_READ flag indicating that a field access location refers to field READ operations
static int	ACCESS_WRITE flag indicating that a field access location refers to field WRITE operations

Constructor Summary

Constructors

Constructor and Description
Location()

Method Summary

Methods

Modifier and Type	Method and Description
static Location	create(LocationType type, String parameters) create a location object of a given type
abstract LocationType	getLocationType() identify the type of this location
abstract 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
abstract 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

Methods inherited from class java.lang.Object

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

Field Detail

ACCESS_READ

public static final int ACCESS_READ

flag indicating that a field access location refers to field READ operations

See Also:

Constant Field Values

ACCESS_WRITE

public static final int ACCESS_WRITE

flag indicating that a field access location refers to field WRITE operations

See Also:

Constant Field Values

Constructor Detail

Location

public Location()

Method Detail

create

public static Location create(LocationType type,
              String parameters)

create a location object of a given type

Parameters:

type - the type of location being specified

parameters - the text of the parameters appended to the location specifier

Returns:

a location of the appropriate type or null if the parameters are incorrectly specified

getRuleCheckAdapter

public abstract 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

Returns:

the required adapter

getRuleAdapter

public abstract 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

Returns:

the required adapter

getLocationType

public abstract LocationType getLocationType()

identify the type of this location

Returns:

the type of this location