Package org.jboss.byteman.rule.helper
Interface HelperAdapter
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- All Known Implementing Classes:
InterpretedHelper
public interface HelperAdapter
This interface defines the methods which need to be added to a helper class in order for it to plug in to the rule system. In the case of the default helper class, Helper, this interface is implemented by a pre-defined subclass, InterpretedHelper which interprets the rule parse tree. Given any user-supplied helper class the rule compiler can generate a HelperAdapter class which interprets the rule tree and invokes builtin methods using reflection. The compiler can also generate a HelperAdapter whose bind(), test() and fire() methods are compiled from bytecode derived from the parse trees of, respectively, the rule's event, condition and action. Bytecode compilation is applicable to rules which employ the default helper as well as rules which employ user-defined helpers.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
execute(java.lang.Object recipient, java.lang.Object[] args)
java.lang.Object
getAccessibleField(java.lang.Object owner, int fieldIndex)
java.lang.Object
getBinding(java.lang.String name)
java.lang.String
getName()
java.lang.Object
invokeAccessibleMethod(java.lang.Object target, java.lang.Object[] args, int fieldIndex)
void
setAccessibleField(java.lang.Object owner, java.lang.Object value, int fieldIndex)
void
setBinding(java.lang.String name, java.lang.Object value)
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Method Detail
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execute
void execute(java.lang.Object recipient, java.lang.Object[] args) throws ExecuteException
- Throws:
ExecuteException
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setBinding
void setBinding(java.lang.String name, java.lang.Object value)
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getBinding
java.lang.Object getBinding(java.lang.String name)
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getName
java.lang.String getName()
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getAccessibleField
java.lang.Object getAccessibleField(java.lang.Object owner, int fieldIndex)
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setAccessibleField
void setAccessibleField(java.lang.Object owner, java.lang.Object value, int fieldIndex)
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invokeAccessibleMethod
java.lang.Object invokeAccessibleMethod(java.lang.Object target, java.lang.Object[] args, int fieldIndex)
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