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29 * Thrown when an application tries to access a type using a string
30 * representing the type's name, but no definition for the type with
31 * the specified name can be found. This exception differs from
32 * {@link ClassNotFoundException} in that <tt>ClassNotFoundException</tt> is a
33 * checked exception, whereas this exception is unchecked.
35 * <p>Note that this exception may be used when undefined type variables
36 * are accessed as well as when types (e.g., classes, interfaces or
37 * annotation types) are loaded.
38 * In particular, this exception can be thrown by the {@linkplain
39 * java.lang.reflect.AnnotatedElement API used to read annotations
43 * @see java.lang.reflect.AnnotatedElement
46 public class TypeNotPresentException extends RuntimeException {
47 private static final long serialVersionUID = -5101214195716534496L;
49 private String typeName;
52 * Constructs a <tt>TypeNotPresentException</tt> for the named type
53 * with the specified cause.
55 * @param typeName the fully qualified name of the unavailable type
56 * @param cause the exception that was thrown when the system attempted to
57 * load the named type, or <tt>null</tt> if unavailable or inapplicable
59 public TypeNotPresentException(String typeName, Throwable cause) {
60 super("Type " + typeName + " not present", cause);
61 this.typeName = typeName;
65 * Returns the fully qualified name of the unavailable type.
67 * @return the fully qualified name of the unavailable type
69 public String typeName() { return typeName;}