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java.lang.Objectalt.jiapi.event.EventProducer
alt.jiapi.interceptor.FieldInterceptor
public class FieldInterceptor
InvocationInterceptor intercepts method invocations and delegates invocations to InvokeHandler.
Following code snippet is an example, how to initialize FieldInterceptor:
InstrumentationContext ctx = new InstrumentationContext(); InstrumentationDescriptor id = new InstrumentationDescriptor(); id.addInclusionRule("samples.*"); ctx.addInstrumentationDescriptor(id); FieldInterceptor fi = new FieldInterceptor(id, "samples*", this);FieldInterceptor intercepts only accessess to public fields. NOTE: ONLY FIELD GETS ARE SUPPORTED AT THE MOMENT
Constructor Summary | |
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FieldInterceptor(InstrumentationDescriptor id,
AccessAdvisor advisor)
Constructor. |
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FieldInterceptor(InstrumentationDescriptor id,
java.lang.String[] resolutions,
AccessAdvisor advisor)
Creates new InvocationInterceptor. |
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FieldInterceptor(InstrumentationDescriptor id,
java.lang.String resolution,
AccessAdvisor advisor)
Creates new InvocationInterceptor. |
Method Summary | |
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java.lang.Object |
getField(java.lang.Object o,
java.lang.String name,
java.lang.Object value)
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java.lang.Object |
setField(java.lang.Object o,
java.lang.String name,
java.lang.Object value)
Called by Jiapi runtime. |
Methods inherited from class alt.jiapi.event.EventProducer |
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getResolutions, isProtected, isProtected, match, protect, release |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FieldInterceptor(InstrumentationDescriptor id, AccessAdvisor advisor)
id
- Instrumentation decsriptor, that this InvocationInterceptor
registers itself to.handler
- InvocationHandlerpublic FieldInterceptor(InstrumentationDescriptor id, java.lang.String[] resolutions, AccessAdvisor advisor)
id
- Instrumentation decsriptor, that this InvocationInterceptor
registers itself to.resolutions
- Resolutions, that is used further to select which
methods will trigger events to be produced.handler
- InvocationHandlerpublic FieldInterceptor(InstrumentationDescriptor id, java.lang.String resolution, AccessAdvisor advisor)
id
- Instrumentation decsriptor, that this InvocationInterceptor
registers itself to.resolution
- Resolution, that is used to select which
methods will be intercepted.handler
- InvocationHandlerMethod Detail |
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public java.lang.Object getField(java.lang.Object o, java.lang.String name, java.lang.Object value)
public java.lang.Object setField(java.lang.Object o, java.lang.String name, java.lang.Object value)
o
- if field-access is being made to an static field,
this parameter holds a Class of that field,
otherwise this is the instance, that field-access is being
acted on.name
- of the fieldvalue
- value to set
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