| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.vm.ci.meta; |
| |
| import static java.lang.reflect.Modifier.PRIVATE; |
| import static java.lang.reflect.Modifier.PROTECTED; |
| import static java.lang.reflect.Modifier.PUBLIC; |
| |
| import java.lang.reflect.Modifier; |
| |
| /** |
| * A Java element (i.e., a class, interface, field or method) that is described by a set of Java |
| * language {@linkplain #getModifiers() modifiers}. |
| */ |
| public interface ModifiersProvider { |
| |
| /** |
| * Returns the modifiers for this element. |
| */ |
| int getModifiers(); |
| |
| /** |
| * @see Modifier#isInterface(int) |
| */ |
| default boolean isInterface() { |
| return Modifier.isInterface(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isSynchronized(int) |
| */ |
| default boolean isSynchronized() { |
| return Modifier.isSynchronized(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isStatic(int) |
| */ |
| default boolean isStatic() { |
| return Modifier.isStatic(getModifiers()); |
| } |
| |
| /** |
| * The setting of the final modifier bit for types is somewhat confusing, so don't export |
| * isFinal by default. Subclasses like {@link ResolvedJavaField} and {@link ResolvedJavaMethod} |
| * can export it as isFinal, but {@link ResolvedJavaType} can provide a more sensible equivalent |
| * like {@link ResolvedJavaType#isLeaf}. |
| * |
| * @see Modifier#isFinal(int) |
| */ |
| default boolean isFinalFlagSet() { |
| return Modifier.isFinal(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isPublic(int) |
| */ |
| default boolean isPublic() { |
| return Modifier.isPublic(getModifiers()); |
| } |
| |
| /** |
| * Determines if this element is neither {@linkplain #isPublic() public}, |
| * {@linkplain #isProtected() protected} nor {@linkplain #isPrivate() private}. |
| */ |
| default boolean isPackagePrivate() { |
| return ((PUBLIC | PROTECTED | PRIVATE) & getModifiers()) == 0; |
| } |
| |
| /** |
| * @see Modifier#isPrivate(int) |
| */ |
| default boolean isPrivate() { |
| return Modifier.isPrivate(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isProtected(int) |
| */ |
| default boolean isProtected() { |
| return Modifier.isProtected(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isTransient(int) |
| */ |
| default boolean isTransient() { |
| return Modifier.isTransient(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isStrict(int) |
| */ |
| default boolean isStrict() { |
| return Modifier.isStrict(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isVolatile(int) |
| */ |
| default boolean isVolatile() { |
| return Modifier.isVolatile(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isNative(int) |
| */ |
| default boolean isNative() { |
| return Modifier.isNative(getModifiers()); |
| } |
| |
| /** |
| * @see Modifier#isAbstract(int) |
| */ |
| default boolean isAbstract() { |
| return Modifier.isAbstract(getModifiers()); |
| } |
| |
| /** |
| * Checks that the method is concrete and not abstract. |
| * |
| * @return whether the method is a concrete method |
| */ |
| default boolean isConcrete() { |
| return !isAbstract(); |
| } |
| } |