Package org.jboss.byteman.agent
Class Location
java.lang.Object
org.jboss.byteman.agent.Location
- Direct Known Subclasses:
Location.AccessLocation
,Location.EntryLocation
,Location.ExceptionExitLocation
,Location.ExitLocation
,Location.InvokeLocation
,Location.LineLocation
,Location.NewLocation
,Location.SynchronizeLocation
,Location.ThrowLocation
Specifies a location in a method at which a rule trigger should be inserted
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionprivate static class
location identifying a generic access trigger pointprivate static class
location identifying a method entry trigger pointprivate static class
location identifying a method exceptional exit trigger pointprivate static class
location identifying a method exit trigger pointprivate static class
location identifying a field access trigger pointprivate static class
location identifying a method invocation trigger pointprivate static class
location identifying a method line trigger pointprivate static class
private static class
location identifying a synchronization trigger pointprivate static class
location identifying a throw trigger pointprivate static class
location identifying a variable access trigger point -
Field Summary
FieldsModifier and TypeFieldDescriptionstatic final int
flag indicating that a field access location refers to field READ operationsstatic final int
flag indicating that a field access location refers to field WRITE operations -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic Location
create
(LocationType type, String parameters) create a location object of a given typeabstract LocationType
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 Details
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ACCESS_READ
public static final int ACCESS_READflag indicating that a field access location refers to field READ operations- See Also:
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ACCESS_WRITE
public static final int ACCESS_WRITEflag indicating that a field access location refers to field WRITE operations- See Also:
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Constructor Details
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Location
public Location()
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Method Details
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create
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
identify the type of this location- Returns:
- the type of this location
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