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Java > Open Source Codes > spoon > reflect > visitor > Filter


1 package spoon.reflect.visitor;
2
3 import spoon.reflect.declaration.CtElement;
4
5 /**
6  * This interface defines a filter for program elements.
7  *
8  * @param T the type of the filtered elements (an element belonging to the
9  * filtered element must be assignable from <code>T</code>).
10  */
11 public interface Filter<T extends CtElement> {
12     /**
13      * Tells if the given element matches.
14      */
15     boolean matches(T element);
16
17     /**
18      * Gets the runtime type that corresponds to the <code>T</code> parameter
19      * (the type of the filtered elements). Any element assignable from this
20      * type is a potential match and is tested using the {@link #matches(CtElement)}
21      * method, while other elements are never a match.
22      */
23     Class JavaDoc<T> getType();
24 }
25
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