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Add javadoc for the AnnotationIterator class

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This commit is contained in:
Ben Gruver 2013-01-01 16:48:21 -08:00
parent 84c1762a62
commit b02edf521c
1 changed files with 24 additions and 4 deletions
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28
dexlib2/src/main/java/org/jf/dexlib2/dexbacked/util/AnnotationsDirectory.java
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@ -64,14 +64,34 @@ public abstract class AnnotationsDirectory {
return new AnnotationsDirectoryImpl(dexFile, directoryAnnotationsOffset);
}
/**
* This provides a forward-only, skipable iteration over the field_annotation, method_annotation or
* parameter_annotation lists in an annotations_directory_item.
*
* These lists associate a key, either a field or method index, with an offset to where the annotation data for
* that field/method/parameter is stored.
*/
public interface AnnotationIterator {
public static final AnnotationIterator EMPTY = new AnnotationIterator() {
@Override public int seekTo(int fieldIndex) { return 0; }
public void reset() {}
@Override public int seekTo(int key) { return 0; }
@Override public void reset() {}
};
public int seekTo(int fieldIndex);
/**
* Seeks the iterator forward, to the first item whose key is >= the requested key. If the requested key value
* is less than that of the item that the iterator currently points to, it will not be moved forward.
*
* If an item with the requested key is found, the associated annotation offset is returned. Otherwise, 0 is
* returned.
*
* @param key The method/field index to search for
* @return The annotation offset associated with the requested key, or 0 if not found.
*/
public int seekTo(int key);
/**
* Resets the iterator to the beginning of its list.
*/
public void reset();
}