Java Annotation Example

gistfile1.java

/*
 * TortugaTable.java
 *
 * This is the Annotation class.
 *
 */
@Retention(RetentionPolicy.RUNTIME)
public @interface TortugaTable {
    String tableName();
}

/*
 * User.java
 *
 * This is the User model, which uses the TortugaTable annotation.
 * 
 * As you can see, we can pull out the annotation, and access the annotation declarations.
 * This is where we can record the datamodel, and pass it over to the web side to change schema.
 * 
 */
@TortugaTable(tableName = "users")
public class User {
    public static void main(String[] args) {
	TortugaTable table = User.class.getAnnotation(TortugaTable.class);
	System.out.println(table.tableName());
    }
}