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25 
26 package com.sun.xml.internal.bind.v2.model.annotation;
27 
28 import java.lang.annotation.Annotation;
29 
30 import com.sun.xml.internal.bind.v2.runtime.Location;
31 
32 /**
33  * Base implementation of {@link Locatable} {@link Annotation}.
34  *
35  * <p>
36  * Derived classes of this class is provided for annotations that are commonly
37  * used in JAXB, to improve the performance of {@link LocatableAnnotation#create}.
38  *
39  * @author Kohsuke Kawaguchi
40  */
41 public /*so that our code generator can refer to this class*/ abstract class Quick implements Annotation, Locatable, Location {
42     private final Locatable upstream;
43 
Quick(Locatable upstream)44     protected Quick(Locatable upstream) {
45         this.upstream = upstream;
46     }
47 
48     /**
49      * Gets the annotation object that this object is wrapping.
50      */
getAnnotation()51     protected abstract Annotation getAnnotation();
52 
53     /**
54      * Factory method to create a new instance of the same kind.
55      * A {@link Quick} object also works as a factory of itself
56      */
newInstance( Locatable upstream, Annotation core )57     protected abstract Quick newInstance( Locatable upstream, Annotation core );
58 
getLocation()59     public final Location getLocation() {
60         return this;
61     }
62 
getUpstream()63     public final Locatable getUpstream() {
64         return upstream;
65     }
66 
toString()67     public final String toString() {
68         return getAnnotation().toString();
69     }
70 }
71