[Java] Interface Interceptor
Implementers of this interface can be registered in the ProxyMetaClass for notifications about method calls for objects managed by the ProxyMetaClass. See groovy/lang/InterceptorTest.groovy for details.
Methods Summary
Type Params | Return Type | Name and description |
---|---|---|
Object |
afterInvoke(Object object, String methodName, Object[] arguments, Object result) This code is executed after the method is optionally called. | |
Object |
beforeInvoke(Object object, String methodName, Object[] arguments) This code is executed before the method is optionally called. | |
boolean |
doInvoke() @return whether the target method should be invoked at all. |
Method Detail
public Object afterInvoke(Object object, String methodName, Object[] arguments, Object result)
This code is executed after the method is optionally called.
- Parameters:
-
object
- receiver object for the called method -
methodName
- name of the called method -
arguments
- arguments to the called method -
result
- result of the executed method call or result of beforeInvoke if method was not called
- Returns:
- any arbitrary result that can replace the result of the original method call. Typically, the result parameter is returned.
public Object beforeInvoke(Object object, String methodName, Object[] arguments)
This code is executed before the method is optionally called.
- Parameters:
-
object
- receiver object for the method call -
methodName
- name of the method to call -
arguments
- arguments to the method call
- Returns:
- any arbitrary result that replaces the result of the original method call only if doInvoke() returns false and afterInvoke() relays this result.
public boolean doInvoke()
- Returns:
- whether the target method should be invoked at all.
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Licensed under the Apache license.
https://docs.groovy-lang.org/2.5.14/html/gapi/groovy/lang/Interceptor.html