Java: "error: cannot access" the interface

Question

So I have this Annotator interface:

public interface Annotator {
    String getViewName();

    View getView(TextAnnotation var1) throws AnnotatorException;

    String[] getRequiredViews();
}

which is extended by GazetteerViewGenerator:

public class GazetteerViewGenerator extends Annotator {
    public static final GazetteerViewGenerator gazetteersInstance;
    ...

The issue is that when I create an object of GazetteerViewGenerator and cast into Annotator it gives me errors, which is really weird:

public class MyCuratorClient {
    public static Annotator gazetteers = (Annotator) GazetteerViewGenerator.gazetteersInstance;
    ...

and here is the error:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile (default-compile) on project Illinois-Combined-Coref: Compilation failure
[ERROR] /Users/danielk/ideaProjects/Illinois-Combined-Coref/src/main/java/edu/illinois/cs/cogcomp/lbj/coref/util/MyCuratorClient.java:[25,38] error: cannot access Annotator
[ERROR] -> [Help 1]
[ERROR]

Any ideas where I am going wrong?

Tim Biegeleisen · Accepted Answer · 2016-07-04 04:09:53Z

4

A java class implements an interface rather than extends it.

You should have used this class definition:

public class GazetteerViewGenerator implements Annotator {
    public static final GazetteerViewGenerator gazetteersInstance;
    ... 
}

edited Jul 4, 2016 at 4:09

Tim Biegeleisen

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answered Jul 4, 2016 at 4:09

malarres

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Comments

Chivalryman · Accepted Answer · 2018-08-11 05:50:09Z

0

As to the "Cannot access..." error, I found that intelliJ has a blocking bug preventing you refreshing from changed packaging. It's possible that your code has no issue at all but is underlined with wiggly red lines in IDE. Try to re-open the project again and your problem may be solved with no change.

answered Aug 11, 2018 at 5:50

Chivalryman

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