01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package java.lang.reflect;
19:
20: /**
21: * Represents a wildcard type, such as <code>?</code> or
22: * <code>? extends Comparable</code>.
23: *
24: * @since 1.5
25: */
26: public interface WildcardType extends Type {
27: /**
28: * Gets the array of types that represent the upper bounds of this type. The
29: * default upper bound is {@link Object}.
30: *
31: * @return An array of {@link Type} instances.
32: * @throws TypeNotPresentException
33: * if the component type points to a missing type.
34: * @throws MalformedParameterizedTypeException
35: * if the component type points to a type that can't be
36: * instantiated for some reason.
37: */
38: Type[] getUpperBounds();
39:
40: /**
41: * Gets the array of types that represent the lower bounds of this type. The
42: * default lower bound is <code>null</code>, in which case a empty array
43: * is returned.
44: *
45: * @return An array of {@link Type} instances.
46: * @throws TypeNotPresentException
47: * if the component type points to a missing type.
48: * @throws MalformedParameterizedTypeException
49: * if the component type points to a type that can't be
50: * instantiated for some reason.
51: */
52: Type[] getLowerBounds();
53: }
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