Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/InterfaceTypeImpl.java @ 17587:561045d22599 jdk8u11-b07
Added tag jdk8u11-b06 for changeset b73ee2b9027c
| author | katleman |
|---|---|
| date | Tue, 29 Apr 2014 12:51:45 -0700 |
| parents | c18cbe5936b8 |
| children | 29985fccf378 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.jdi; | |
| 26 | |
| 27 import com.sun.jdi.*; | |
| 28 import sun.jvm.hotspot.oops.InstanceKlass; | |
| 29 | |
| 30 import java.util.List; | |
| 31 import java.util.ArrayList; | |
| 32 import java.util.Map; | |
| 33 import java.util.Iterator; | |
| 34 import java.util.Collections; | |
| 35 import java.lang.ref.SoftReference; | |
| 36 | |
| 37 public class InterfaceTypeImpl extends ReferenceTypeImpl | |
| 38 implements InterfaceType { | |
| 39 private SoftReference superInterfacesCache = null; | |
| 40 private SoftReference subInterfacesCache = null; | |
| 41 private SoftReference implementorsCache = null; | |
| 42 | |
| 43 protected InterfaceTypeImpl(VirtualMachine aVm, InstanceKlass aRef) { | |
| 44 super(aVm, aRef); | |
| 45 } | |
| 46 | |
| 47 public List superinterfaces() throws ClassNotPreparedException { | |
| 48 List superinterfaces = (superInterfacesCache != null)? (List) superInterfacesCache.get() : null; | |
| 49 if (superinterfaces == null) { | |
| 50 checkPrepared(); | |
| 51 superinterfaces = Collections.unmodifiableList(getInterfaces()); | |
| 52 superInterfacesCache = new SoftReference(superinterfaces); | |
| 53 } | |
| 54 return superinterfaces; | |
| 55 } | |
| 56 | |
| 57 public List subinterfaces() { | |
| 58 List subinterfaces = (subInterfacesCache != null)? (List) subInterfacesCache.get() : null; | |
| 59 if (subinterfaces == null) { | |
| 60 List all = vm.allClasses(); | |
| 61 subinterfaces = new ArrayList(); | |
| 62 Iterator iter = all.iterator(); | |
| 63 while (iter.hasNext()) { | |
| 64 ReferenceType refType = (ReferenceType)iter.next(); | |
| 65 if (refType instanceof InterfaceType) { | |
| 66 InterfaceType interfaze = (InterfaceType)refType; | |
| 67 if (interfaze.isPrepared() && interfaze.superinterfaces().contains(this)) { | |
| 68 subinterfaces.add(interfaze); | |
| 69 } | |
| 70 } | |
| 71 } | |
| 72 subinterfaces = Collections.unmodifiableList(subinterfaces); | |
| 73 subInterfacesCache = new SoftReference(subinterfaces); | |
| 74 } | |
| 75 return subinterfaces; | |
| 76 } | |
| 77 | |
| 78 public List implementors() { | |
| 79 List implementors = (implementorsCache != null)? (List) implementorsCache.get() : null; | |
| 80 if (implementors == null) { | |
| 81 List all = vm.allClasses(); | |
| 82 implementors = new ArrayList(); | |
| 83 Iterator iter = all.iterator(); | |
| 84 while (iter.hasNext()) { | |
| 85 ReferenceType refType = (ReferenceType)iter.next(); | |
| 86 if (refType instanceof ClassType) { | |
| 87 ClassType clazz = (ClassType)refType; | |
| 88 if (clazz.isPrepared() && clazz.interfaces().contains(this)) { | |
| 89 implementors.add(clazz); | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 implementors = Collections.unmodifiableList(implementors); | |
| 94 implementorsCache = new SoftReference(implementors); | |
| 95 } | |
| 96 return implementors; | |
| 97 } | |
| 98 | |
| 99 void addVisibleMethods(Map methodMap) { | |
| 100 /* | |
| 101 * Add methods from | |
| 102 * parent types first, so that the methods in this class will | |
| 103 * overwrite them in the hash table | |
| 104 */ | |
| 105 Iterator iter = superinterfaces().iterator(); | |
| 106 while (iter.hasNext()) { | |
| 107 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
| 108 interfaze.addVisibleMethods(methodMap); | |
| 109 } | |
| 110 | |
| 111 addToMethodMap(methodMap, methods()); | |
| 112 } | |
| 113 | |
| 114 List getAllMethods() { | |
| 115 ArrayList list = new ArrayList(methods()); | |
| 116 /* | |
| 117 * It's more efficient if don't do this | |
| 118 * recursively. | |
| 119 */ | |
| 120 List interfaces = allSuperinterfaces(); | |
| 121 Iterator iter = interfaces.iterator(); | |
| 122 while (iter.hasNext()) { | |
| 123 InterfaceType interfaze = (InterfaceType)iter.next(); | |
| 124 list.addAll(interfaze.methods()); | |
| 125 } | |
| 126 | |
| 127 return list; | |
| 128 } | |
| 129 | |
| 130 List allSuperinterfaces() { | |
| 131 ArrayList list = new ArrayList(); | |
| 132 addSuperinterfaces(list); | |
| 133 return list; | |
| 134 } | |
| 135 | |
| 136 void addSuperinterfaces(List list) { | |
| 137 /* | |
| 138 * This code is a little strange because it | |
| 139 * builds the list with a more suitable order than the | |
| 140 * depth-first approach a normal recursive solution would | |
| 141 * take. Instead, all direct superinterfaces precede all | |
| 142 * indirect ones. | |
| 143 */ | |
| 144 | |
| 145 /* | |
| 146 * Get a list of direct superinterfaces that's not already in the | |
| 147 * list being built. | |
| 148 */ | |
| 149 List immediate = new ArrayList(superinterfaces()); | |
| 150 Iterator iter = immediate.iterator(); | |
| 151 while (iter.hasNext()) { | |
| 152 InterfaceType interfaze = (InterfaceType)iter.next(); | |
| 153 if (list.contains(interfaze)) { | |
| 154 iter.remove(); | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 /* | |
| 159 * Add all new direct superinterfaces | |
| 160 */ | |
| 161 list.addAll(immediate); | |
| 162 | |
| 163 /* | |
| 164 * Recurse for all new direct superinterfaces. | |
| 165 */ | |
| 166 iter = immediate.iterator(); | |
| 167 while (iter.hasNext()) { | |
| 168 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
| 169 interfaze.addSuperinterfaces(list); | |
| 170 } | |
| 171 } | |
| 172 | |
| 173 boolean isAssignableTo(ReferenceType type) { | |
| 174 | |
| 175 // Exact match? | |
| 176 if (this.equals(type)) { | |
| 177 return true; | |
| 178 } else { | |
| 179 // Try superinterfaces. | |
| 180 List supers = superinterfaces(); | |
| 181 Iterator iter = supers.iterator(); | |
| 182 while (iter.hasNext()) { | |
| 183 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
| 184 if (interfaze.isAssignableTo(type)) { | |
| 185 return true; | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 return false; | |
| 190 } | |
| 191 } | |
| 192 | |
| 193 List inheritedTypes() { | |
| 194 return superinterfaces(); | |
| 195 } | |
| 196 | |
| 197 public boolean isInitialized() { | |
| 198 return isPrepared(); | |
| 199 } | |
| 200 | |
| 201 public String toString() { | |
| 202 return "interface " + name() + " (" + loaderString() + ")"; | |
| 203 } | |
| 204 } |