1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/jaxws_classes/com/oracle/webservices/internal/api/message/BaseDistributedPropertySet.java Wed Apr 27 01:27:09 2016 +0800 1.3 @@ -0,0 +1,308 @@ 1.4 +/* 1.5 + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Oracle designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Oracle in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.25 + * or visit www.oracle.com if you need additional information or have any 1.26 + * questions. 1.27 + */ 1.28 + 1.29 +package com.oracle.webservices.internal.api.message; 1.30 + 1.31 +import com.sun.istack.internal.NotNull; 1.32 +import com.sun.istack.internal.Nullable; 1.33 +import com.sun.xml.internal.ws.api.message.Packet; 1.34 +import com.sun.xml.internal.ws.client.RequestContext; 1.35 +import com.sun.xml.internal.ws.client.ResponseContext; 1.36 + 1.37 +import javax.xml.ws.WebServiceContext; 1.38 + 1.39 +import java.util.AbstractMap; 1.40 +import java.util.Map.Entry; 1.41 +import java.util.HashSet; 1.42 +import java.util.IdentityHashMap; 1.43 +import java.util.Map; 1.44 +import java.util.Set; 1.45 + 1.46 +/** 1.47 + * {@link PropertySet} that combines properties exposed from multiple 1.48 + * {@link PropertySet}s into one. 1.49 + * 1.50 + * <p> 1.51 + * This implementation allows one {@link PropertySet} to assemble 1.52 + * all properties exposed from other "satellite" {@link PropertySet}s. 1.53 + * (A satellite may itself be a {@link DistributedPropertySet}, so 1.54 + * in general this can form a tree.) 1.55 + * 1.56 + * <p> 1.57 + * This is useful for JAX-WS because the properties we expose to the application 1.58 + * are contributed by different pieces, and therefore we'd like each of them 1.59 + * to have a separate {@link PropertySet} implementation that backs up 1.60 + * the properties. For example, this allows FastInfoset to expose its 1.61 + * set of properties to {@link RequestContext} by using a strongly-typed fields. 1.62 + * 1.63 + * <p> 1.64 + * This is also useful for a client-side transport to expose a bunch of properties 1.65 + * into {@link ResponseContext}. It simply needs to create a {@link PropertySet} 1.66 + * object with methods for each property it wants to expose, and then add that 1.67 + * {@link PropertySet} to {@link Packet}. This allows property values to be 1.68 + * lazily computed (when actually asked by users), thus improving the performance 1.69 + * of the typical case where property values are not asked. 1.70 + * 1.71 + * <p> 1.72 + * A similar benefit applies on the server-side, for a transport to expose 1.73 + * a bunch of properties to {@link WebServiceContext}. 1.74 + * 1.75 + * <p> 1.76 + * To achieve these benefits, access to {@link DistributedPropertySet} is slower 1.77 + * compared to {@link PropertySet} (such as get/set), while adding a satellite 1.78 + * object is relatively fast. 1.79 + * 1.80 + * @author Kohsuke Kawaguchi 1.81 + */ 1.82 +public abstract class BaseDistributedPropertySet extends BasePropertySet implements DistributedPropertySet { 1.83 + 1.84 + /** 1.85 + * All {@link PropertySet}s that are bundled into this {@link PropertySet}. 1.86 + */ 1.87 + private final Map<Class<? extends com.oracle.webservices.internal.api.message.PropertySet>, PropertySet> satellites 1.88 + = new IdentityHashMap<Class<? extends com.oracle.webservices.internal.api.message.PropertySet>, PropertySet>(); 1.89 + 1.90 + private final Map<String, Object> viewthis; 1.91 + 1.92 + public BaseDistributedPropertySet() { 1.93 + this.viewthis = super.createView(); 1.94 + } 1.95 + 1.96 + @Override 1.97 + public void addSatellite(@NotNull PropertySet satellite) { 1.98 + addSatellite(satellite.getClass(), satellite); 1.99 + } 1.100 + 1.101 + @Override 1.102 + public void addSatellite(@NotNull Class<? extends com.oracle.webservices.internal.api.message.PropertySet> keyClass, @NotNull PropertySet satellite) { 1.103 + satellites.put(keyClass, satellite); 1.104 + } 1.105 + 1.106 + @Override 1.107 + public void removeSatellite(PropertySet satellite) { 1.108 + satellites.remove(satellite.getClass()); 1.109 + } 1.110 + 1.111 + public void copySatelliteInto(@NotNull DistributedPropertySet r) { 1.112 + for (Map.Entry<Class<? extends com.oracle.webservices.internal.api.message.PropertySet>, PropertySet> entry : satellites.entrySet()) { 1.113 + r.addSatellite(entry.getKey(), entry.getValue()); 1.114 + } 1.115 + } 1.116 + 1.117 + @Override 1.118 + public void copySatelliteInto(MessageContext r) { 1.119 + copySatelliteInto((DistributedPropertySet)r); 1.120 + } 1.121 + 1.122 + @Override 1.123 + public @Nullable <T extends com.oracle.webservices.internal.api.message.PropertySet> T getSatellite(Class<T> satelliteClass) { 1.124 + T satellite = (T) satellites.get(satelliteClass); 1.125 + if (satellite != null) { 1.126 + return satellite; 1.127 + } 1.128 + 1.129 + for (PropertySet child : satellites.values()) { 1.130 + if (satelliteClass.isInstance(child)) { 1.131 + return satelliteClass.cast(child); 1.132 + } 1.133 + 1.134 + if (DistributedPropertySet.class.isInstance(child)) { 1.135 + satellite = DistributedPropertySet.class.cast(child).getSatellite(satelliteClass); 1.136 + if (satellite != null) { 1.137 + return satellite; 1.138 + } 1.139 + } 1.140 + } 1.141 + return null; 1.142 + } 1.143 + 1.144 + @Override 1.145 + public Map<Class<? extends com.oracle.webservices.internal.api.message.PropertySet>, com.oracle.webservices.internal.api.message.PropertySet> getSatellites() { 1.146 + return satellites; 1.147 + } 1.148 + 1.149 + @Override 1.150 + public Object get(Object key) { 1.151 + // check satellites 1.152 + for (PropertySet child : satellites.values()) { 1.153 + if (child.supports(key)) { 1.154 + return child.get(key); 1.155 + } 1.156 + } 1.157 + 1.158 + // otherwise it must be the master 1.159 + return super.get(key); 1.160 + } 1.161 + 1.162 + @Override 1.163 + public Object put(String key, Object value) { 1.164 + // check satellites 1.165 + for (PropertySet child : satellites.values()) { 1.166 + if(child.supports(key)) { 1.167 + return child.put(key,value); 1.168 + } 1.169 + } 1.170 + 1.171 + // otherwise it must be the master 1.172 + return super.put(key,value); 1.173 + } 1.174 + 1.175 + @Override 1.176 + public boolean containsKey(Object key) { 1.177 + if (viewthis.containsKey(key)) 1.178 + return true; 1.179 + for (PropertySet child : satellites.values()) { 1.180 + if (child.containsKey(key)) { 1.181 + return true; 1.182 + } 1.183 + } 1.184 + return false; 1.185 + } 1.186 + 1.187 + @Override 1.188 + public boolean supports(Object key) { 1.189 + // check satellites 1.190 + for (PropertySet child : satellites.values()) { 1.191 + if (child.supports(key)) { 1.192 + return true; 1.193 + } 1.194 + } 1.195 + 1.196 + return super.supports(key); 1.197 + } 1.198 + 1.199 + @Override 1.200 + public Object remove(Object key) { 1.201 + // check satellites 1.202 + for (PropertySet child : satellites.values()) { 1.203 + if (child.supports(key)) { 1.204 + return child.remove(key); 1.205 + } 1.206 + } 1.207 + 1.208 + return super.remove(key); 1.209 + } 1.210 + 1.211 + @Override 1.212 + protected void createEntrySet(Set<Entry<String, Object>> core) { 1.213 + super.createEntrySet(core); 1.214 + for (PropertySet child : satellites.values()) { 1.215 + ((BasePropertySet) child).createEntrySet(core); 1.216 + } 1.217 + } 1.218 + 1.219 + protected Map<String, Object> asMapLocal() { 1.220 + return viewthis; 1.221 + } 1.222 + 1.223 + protected boolean supportsLocal(Object key) { 1.224 + return super.supports(key); 1.225 + } 1.226 + 1.227 + class DistributedMapView extends AbstractMap<String, Object> { 1.228 + @Override 1.229 + public Object get(Object key) { 1.230 + for (PropertySet child : satellites.values()) { 1.231 + if (child.supports(key)) { 1.232 + return child.get(key); 1.233 + } 1.234 + } 1.235 + 1.236 + return viewthis.get(key); 1.237 + } 1.238 + 1.239 + @Override 1.240 + public int size() { 1.241 + int size = viewthis.size(); 1.242 + for (PropertySet child : satellites.values()) { 1.243 + size += child.asMap().size(); 1.244 + } 1.245 + return size; 1.246 + } 1.247 + 1.248 + @Override 1.249 + public boolean containsKey(Object key) { 1.250 + if (viewthis.containsKey(key)) 1.251 + return true; 1.252 + for (PropertySet child : satellites.values()) { 1.253 + if (child.containsKey(key)) 1.254 + return true; 1.255 + } 1.256 + return false; 1.257 + } 1.258 + 1.259 + @Override 1.260 + public Set<Entry<String, Object>> entrySet() { 1.261 + Set<Entry<String, Object>> entries = new HashSet<Entry<String, Object>>(); 1.262 + for (PropertySet child : satellites.values()) { 1.263 + for (Entry<String,Object> entry : child.asMap().entrySet()) { 1.264 + // the code below is here to avoid entries.addAll(child.asMap().entrySet()); which works differently on JDK6/7 1.265 + // see DMI_ENTRY_SETS_MAY_REUSE_ENTRY_OBJECTS 1.266 + entries.add(new SimpleImmutableEntry<String, Object>(entry.getKey(), entry.getValue())); 1.267 + } 1.268 + } 1.269 + for (Entry<String,Object> entry : viewthis.entrySet()) { 1.270 + // the code below is here to avoid entries.addAll(child.asMap().entrySet()); which works differently on JDK6/7 1.271 + // see DMI_ENTRY_SETS_MAY_REUSE_ENTRY_OBJECTS 1.272 + entries.add(new SimpleImmutableEntry<String, Object>(entry.getKey(), entry.getValue())); 1.273 + } 1.274 + 1.275 + return entries; 1.276 + } 1.277 + 1.278 + @Override 1.279 + public Object put(String key, Object value) { 1.280 + for (PropertySet child : satellites.values()) { 1.281 + if (child.supports(key)) { 1.282 + return child.put(key, value); 1.283 + } 1.284 + } 1.285 + 1.286 + return viewthis.put(key, value); 1.287 + } 1.288 + 1.289 + @Override 1.290 + public void clear() { 1.291 + satellites.clear(); 1.292 + viewthis.clear(); 1.293 + } 1.294 + 1.295 + @Override 1.296 + public Object remove(Object key) { 1.297 + for (PropertySet child : satellites.values()) { 1.298 + if (child.supports(key)) { 1.299 + return child.remove(key); 1.300 + } 1.301 + } 1.302 + 1.303 + return viewthis.remove(key); 1.304 + } 1.305 + } 1.306 + 1.307 + @Override 1.308 + protected Map<String, Object> createView() { 1.309 + return new DistributedMapView(); 1.310 + } 1.311 +}