Package org.jboss.byteman.agent
Class Location
- java.lang.Object
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- org.jboss.byteman.agent.Location
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public abstract class Location extends Object
Specifies a location in a method at which a rule trigger should be inserted
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Field Summary
Fields Modifier and Type Field Description static int
ACCESS_READ
flag indicating that a field access location refers to field READ operationsstatic int
ACCESS_WRITE
flag indicating that a field access location refers to field WRITE operations
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Constructor Summary
Constructors Constructor Description Location()
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description static Location
create(LocationType type, String parameters)
create a location object of a given typeabstract LocationType
getLocationType()
identify the type of this locationabstract 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 locationabstract 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
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Field Detail
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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
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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
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Method Detail
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create
public static Location create(LocationType type, String parameters)
create a location object of a given type- Parameters:
type
- the type of location being specifiedparameters
- 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
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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- Parameters:
cv
- the current class visitortransformContext
- the current transform context- Returns:
- the required adapter
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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- Parameters:
cv
- the current class visitortransformContext
- the current transform context- Returns:
- the required adapter
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getLocationType
public abstract LocationType getLocationType()
identify the type of this location- Returns:
- the type of this location
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