Mercurial > hg > truffle
diff graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/ModifiersProvider.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 27 May 2015 00:36:16 +0200 |
parents | graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/ModifiersProvider.java@5a21cac1968f |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/ModifiersProvider.java Wed May 27 00:36:16 2015 +0200 @@ -0,0 +1,140 @@ +/* + * 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 com.oracle.jvmci.meta; + +import static java.lang.reflect.Modifier.*; + +import java.lang.reflect.*; + +/** + * 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 Java language 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()); + } + + /** + * @see Modifier#isFinal(int) + */ + default boolean isFinal() { + 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(); + } +}