1 /* 2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.internal.jvmci.meta; 24 25 import java.lang.annotation.*; 26 import java.lang.reflect.*; 27 28 /** 29 * Represents a reference to a resolved Java field. Fields, like methods and types, are resolved 30 * through {@link ConstantPool constant pools}. 31 */ 32 public interface ResolvedJavaField extends JavaField, ModifiersProvider { 33 34 /** 35 * {@inheritDoc} 36 * <p> 37 * Only the {@linkplain Modifier#fieldModifiers() field flags} specified in the JVM 38 * specification will be included in the returned mask. 39 */ 40 int getModifiers(); 41 42 default boolean isFinal() { 43 return ModifiersProvider.super.isFinalFlagSet(); 44 } 45 46 /** 47 * Determines if this field was injected by the VM. Such a field, for example, is not derived 48 * from a class file. 49 */ 50 boolean isInternal(); 51 52 /** 53 * Determines if this field is a synthetic field as defined by the Java Language Specification. 54 */ 55 boolean isSynthetic(); 56 57 /** 58 * Returns the {@link ResolvedJavaType} object representing the class or interface that declares 59 * this field. 60 */ 61 ResolvedJavaType getDeclaringClass(); 62 63 /** 64 * Returns all annotations of this field. If no annotations are present, an array of length 0 is 65 * returned. 66 */ 67 Annotation[] getAnnotations(); 68 69 /** 70 * Returns the annotation for the specified type of this field, if such an annotation is 71 * present. 72 * 73 * @param annotationClass the Class object corresponding to the annotation type 74 * @return this element's annotation for the specified annotation type if present on this field, 75 * else {@code null} 76 */ 77 <T extends Annotation> T getAnnotation(Class<T> annotationClass); 78 79 /** 80 * Returns an object representing the unique location identity of this resolved Java field. 81 * 82 * @return the location identity of the field 83 */ 84 LocationIdentity getLocationIdentity(); 85 }