Thu, 11 Jul 2019 00:03:18 +0100
Added tag jdk8u222-b10 for changeset d44170c2cece
duke@1 | 1 | /* |
ohair@158 | 2 | * Copyright (c) 1997, 2002, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@158 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@158 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
ohair@158 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@158 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@158 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | package org.omg.CORBA.portable; |
duke@1 | 26 | |
duke@1 | 27 | import org.omg.CORBA.Request; |
duke@1 | 28 | import org.omg.CORBA.NamedValue; |
duke@1 | 29 | import org.omg.CORBA.NVList; |
duke@1 | 30 | import org.omg.CORBA.Context; |
duke@1 | 31 | import org.omg.CORBA.ContextList; |
duke@1 | 32 | import org.omg.CORBA.ExceptionList; |
duke@1 | 33 | import org.omg.CORBA.TypeCode; |
duke@1 | 34 | import org.omg.CORBA.SystemException; |
duke@1 | 35 | |
duke@1 | 36 | /** |
duke@1 | 37 | * Specifies a portable API for ORB-vendor-specific |
duke@1 | 38 | * implementation of the org.omg.CORBA.Object methods. |
duke@1 | 39 | * |
duke@1 | 40 | * Each stub (proxy) contains a delegate |
duke@1 | 41 | * object, to which all org.omg.CORBA.Object methods are forwarded. |
duke@1 | 42 | * This allows a stub generated by one vendor's ORB to work with the delegate |
duke@1 | 43 | * from another vendor's ORB. |
duke@1 | 44 | * |
duke@1 | 45 | * @see org.omg.CORBA.Object |
duke@1 | 46 | * @author OMG |
duke@1 | 47 | */ |
duke@1 | 48 | |
duke@1 | 49 | public abstract class Delegate { |
duke@1 | 50 | |
duke@1 | 51 | /** |
duke@1 | 52 | * Return an InterfaceDef for the object reference provided. |
duke@1 | 53 | * @param self The object reference whose InterfaceDef needs to be returned |
duke@1 | 54 | * @return the InterfaceDef |
duke@1 | 55 | */ |
duke@1 | 56 | public abstract org.omg.CORBA.Object get_interface_def( |
duke@1 | 57 | org.omg.CORBA.Object self); |
duke@1 | 58 | |
duke@1 | 59 | /** |
duke@1 | 60 | * Returns a duplicate of the object reference provided. |
duke@1 | 61 | * @param obj The object reference whose duplicate needs to be returned |
duke@1 | 62 | * @return the duplicate object reference |
duke@1 | 63 | */ |
duke@1 | 64 | public abstract org.omg.CORBA.Object duplicate(org.omg.CORBA.Object obj); |
duke@1 | 65 | |
duke@1 | 66 | /** |
duke@1 | 67 | * Releases resources associated with the object reference provided. |
duke@1 | 68 | * @param obj The object reference whose resources need to be released |
duke@1 | 69 | */ |
duke@1 | 70 | public abstract void release(org.omg.CORBA.Object obj); |
duke@1 | 71 | |
duke@1 | 72 | /** |
duke@1 | 73 | * Checks if the object reference is an instance of the given interface. |
duke@1 | 74 | * @param obj The object reference to be checked. |
duke@1 | 75 | * @param repository_id The repository identifier of the interface |
duke@1 | 76 | * to check against. |
duke@1 | 77 | * @return true if the object reference supports the interface |
duke@1 | 78 | */ |
duke@1 | 79 | public abstract boolean is_a(org.omg.CORBA.Object obj, String repository_id); |
duke@1 | 80 | |
duke@1 | 81 | /** |
duke@1 | 82 | * Determines whether the server object for the object reference has been |
duke@1 | 83 | * destroyed. |
duke@1 | 84 | * @param obj The object reference which delegated to this delegate. |
duke@1 | 85 | * @return true if the ORB knows authoritatively that the server object does |
duke@1 | 86 | * not exist, false otherwise |
duke@1 | 87 | */ |
duke@1 | 88 | public abstract boolean non_existent(org.omg.CORBA.Object obj); |
duke@1 | 89 | |
duke@1 | 90 | /** |
duke@1 | 91 | * Determines if the two object references are equivalent. |
duke@1 | 92 | * @param obj The object reference which delegated to this delegate. |
duke@1 | 93 | * @param other The object reference to check equivalence against. |
duke@1 | 94 | * @return true if the objects are CORBA-equivalent. |
duke@1 | 95 | */ |
duke@1 | 96 | public abstract boolean is_equivalent(org.omg.CORBA.Object obj, |
duke@1 | 97 | org.omg.CORBA.Object other); |
duke@1 | 98 | |
duke@1 | 99 | /** |
duke@1 | 100 | * Returns an ORB-internal identifier (hashcode) for this object reference. |
duke@1 | 101 | * @param obj The object reference which delegated to this delegate. |
duke@1 | 102 | * @param max specifies an upper bound on the hash value returned by |
duke@1 | 103 | * the ORB. |
duke@1 | 104 | * @return ORB-internal hash identifier for object reference |
duke@1 | 105 | */ |
duke@1 | 106 | public abstract int hash(org.omg.CORBA.Object obj, int max); |
duke@1 | 107 | |
duke@1 | 108 | /** |
duke@1 | 109 | * Creates a Request instance for use in the Dynamic Invocation Interface. |
duke@1 | 110 | * @param obj The object reference which delegated to this delegate. |
duke@1 | 111 | * @param operation The name of the operation to be invoked using the |
duke@1 | 112 | * Request instance. |
duke@1 | 113 | * @return the created Request instance |
duke@1 | 114 | */ |
duke@1 | 115 | public abstract Request request(org.omg.CORBA.Object obj, String operation); |
duke@1 | 116 | |
duke@1 | 117 | /** |
duke@1 | 118 | * Creates a Request instance for use in the Dynamic Invocation Interface. |
duke@1 | 119 | * |
duke@1 | 120 | * @param obj The object reference which delegated to this delegate. |
duke@1 | 121 | * @param ctx The context to be used. |
duke@1 | 122 | * @param operation The name of the operation to be |
duke@1 | 123 | * invoked. |
duke@1 | 124 | * @param arg_list The arguments to the operation in the |
duke@1 | 125 | * form of an NVList. |
duke@1 | 126 | * @param result A container for the result as a NamedValue. |
duke@1 | 127 | * @return The created Request object. |
duke@1 | 128 | * |
duke@1 | 129 | */ |
duke@1 | 130 | public abstract Request create_request(org.omg.CORBA.Object obj, |
duke@1 | 131 | Context ctx, |
duke@1 | 132 | String operation, |
duke@1 | 133 | NVList arg_list, |
duke@1 | 134 | NamedValue result); |
duke@1 | 135 | |
duke@1 | 136 | /** |
duke@1 | 137 | * Creates a Request instance for use in the Dynamic Invocation Interface. |
duke@1 | 138 | * |
duke@1 | 139 | * @param obj The object reference which delegated to this delegate. |
duke@1 | 140 | * @param ctx The context to be used. |
duke@1 | 141 | * @param operation The name of the operation to be |
duke@1 | 142 | * invoked. |
duke@1 | 143 | * @param arg_list The arguments to the operation in the |
duke@1 | 144 | * form of an NVList. |
duke@1 | 145 | * @param result A container for the result as a NamedValue. |
duke@1 | 146 | * @param exclist A list of possible exceptions the |
duke@1 | 147 | * operation can throw. |
duke@1 | 148 | * @param ctxlist A list of context strings that need |
duke@1 | 149 | * to be resolved and sent with the |
duke@1 | 150 | * Request. |
duke@1 | 151 | * @return The created Request object. |
duke@1 | 152 | */ |
duke@1 | 153 | public abstract Request create_request(org.omg.CORBA.Object obj, |
duke@1 | 154 | Context ctx, |
duke@1 | 155 | String operation, |
duke@1 | 156 | NVList arg_list, |
duke@1 | 157 | NamedValue result, |
duke@1 | 158 | ExceptionList exclist, |
duke@1 | 159 | ContextList ctxlist); |
duke@1 | 160 | |
duke@1 | 161 | /** |
duke@1 | 162 | * Provides a reference to the orb associated with its parameter. |
duke@1 | 163 | * |
duke@1 | 164 | * @param obj the object reference which delegated to this delegate. |
duke@1 | 165 | * @return the associated orb. |
duke@1 | 166 | * @see <a href="package-summary.html#unimpl"><code>portable</code> |
duke@1 | 167 | * package comments for unimplemented features</a> |
duke@1 | 168 | */ |
duke@1 | 169 | public org.omg.CORBA.ORB orb(org.omg.CORBA.Object obj) { |
duke@1 | 170 | throw new org.omg.CORBA.NO_IMPLEMENT(); |
duke@1 | 171 | } |
duke@1 | 172 | |
duke@1 | 173 | /** |
duke@1 | 174 | * Returns the <code>Policy</code> object of the specified type |
duke@1 | 175 | * which applies to this object. |
duke@1 | 176 | * |
duke@1 | 177 | * @param self The object reference which delegated to this delegate. |
duke@1 | 178 | * @param policy_type The type of policy to be obtained. |
duke@1 | 179 | * @return A <code>Policy</code> object of the type specified by |
duke@1 | 180 | * the policy_type parameter. |
duke@1 | 181 | * @exception org.omg.CORBA.BAD_PARAM raised when the value of policy type |
duke@1 | 182 | * is not valid either because the specified type is not supported by this |
duke@1 | 183 | * ORB or because a policy object of that type is not associated with this |
duke@1 | 184 | * Object. |
duke@1 | 185 | * @see <a href="package-summary.html#unimpl"><code>portable</code> |
duke@1 | 186 | * package comments for unimplemented features</a> |
duke@1 | 187 | */ |
duke@1 | 188 | public org.omg.CORBA.Policy get_policy(org.omg.CORBA.Object self, |
duke@1 | 189 | int policy_type) { |
duke@1 | 190 | throw new org.omg.CORBA.NO_IMPLEMENT(); |
duke@1 | 191 | } |
duke@1 | 192 | |
duke@1 | 193 | |
duke@1 | 194 | /** |
duke@1 | 195 | * Retrieves the <code>DomainManagers</code> of this object. |
duke@1 | 196 | * This allows administration services (and applications) to retrieve the |
duke@1 | 197 | * domain managers, and hence the security and other policies applicable |
duke@1 | 198 | * to individual objects that are members of the domain. |
duke@1 | 199 | * |
duke@1 | 200 | * @param self The object reference which delegated to this delegate. |
duke@1 | 201 | * @return The list of immediately enclosing domain managers of this object. |
duke@1 | 202 | * At least one domain manager is always returned in the list since by |
duke@1 | 203 | * default each object is associated with at least one domain manager at |
duke@1 | 204 | * creation. |
duke@1 | 205 | * @see <a href="package-summary.html#unimpl"><code>portable</code> |
duke@1 | 206 | * package comments for unimplemented features</a> |
duke@1 | 207 | */ |
duke@1 | 208 | public org.omg.CORBA.DomainManager[] get_domain_managers( |
duke@1 | 209 | org.omg.CORBA.Object |
duke@1 | 210 | self) { |
duke@1 | 211 | throw new org.omg.CORBA.NO_IMPLEMENT(); |
duke@1 | 212 | } |
duke@1 | 213 | |
duke@1 | 214 | |
duke@1 | 215 | /** |
duke@1 | 216 | * Associates the policies passed in |
duke@1 | 217 | * with a newly created object reference that it returns. Only certain |
duke@1 | 218 | * policies that pertain to the invocation of an operation at the client |
duke@1 | 219 | * end can be overridden using this operation. Attempts to override any |
duke@1 | 220 | * other policy will result in the raising of the CORBA::NO_PERMISSION |
duke@1 | 221 | * exception. |
duke@1 | 222 | * |
duke@1 | 223 | * @param self The object reference which delegated to this delegate. |
duke@1 | 224 | * @param policies A sequence of references to Policy objects. |
duke@1 | 225 | * @param set_add Indicates whether these policies should be added |
duke@1 | 226 | * onto any otheroverrides that already exist (ADD_OVERRIDE) in |
duke@1 | 227 | * the object reference, or they should be added to a clean |
duke@1 | 228 | * override free object reference (SET_OVERRIDE). |
duke@1 | 229 | * @return A new object reference with the new policies associated with it. |
duke@1 | 230 | * |
duke@1 | 231 | * @see <a href="package-summary.html#unimpl"><code>portable</code> |
duke@1 | 232 | * package comments for unimplemented features</a> |
duke@1 | 233 | */ |
duke@1 | 234 | public org.omg.CORBA.Object set_policy_override(org.omg.CORBA.Object self, |
duke@1 | 235 | org.omg.CORBA.Policy[] policies, |
duke@1 | 236 | org.omg.CORBA.SetOverrideType set_add) { |
duke@1 | 237 | throw new org.omg.CORBA.NO_IMPLEMENT(); |
duke@1 | 238 | } |
duke@1 | 239 | |
duke@1 | 240 | |
duke@1 | 241 | /** |
duke@1 | 242 | * Returns true if this object is implemented by a local servant. |
duke@1 | 243 | * |
duke@1 | 244 | * @param self The object reference which delegated to this delegate. |
duke@1 | 245 | * @return true only if the servant incarnating this object is located in |
duke@1 | 246 | * this Java VM. Return false if the servant is not local or the ORB |
duke@1 | 247 | * does not support local stubs for this particular servant. The default |
duke@1 | 248 | * behavior of is_local() is to return false. |
duke@1 | 249 | */ |
duke@1 | 250 | public boolean is_local(org.omg.CORBA.Object self) { |
duke@1 | 251 | return false; |
duke@1 | 252 | } |
duke@1 | 253 | |
duke@1 | 254 | /** |
duke@1 | 255 | * Returns a Java reference to the servant which should be used for this |
duke@1 | 256 | * request. servant_preinvoke() is invoked by a local stub. |
duke@1 | 257 | * If a ServantObject object is returned, then its servant field |
duke@1 | 258 | * has been set to an object of the expected type (Note: the object may |
duke@1 | 259 | * or may not be the actual servant instance). The local stub may cast |
duke@1 | 260 | * the servant field to the expected type, and then invoke the operation |
duke@1 | 261 | * directly. The ServantRequest object is valid for only one invocation, |
duke@1 | 262 | * and cannot be used for more than one invocation. |
duke@1 | 263 | * |
duke@1 | 264 | * @param self The object reference which delegated to this delegate. |
duke@1 | 265 | * |
duke@1 | 266 | * @param operation a string containing the operation name. |
duke@1 | 267 | * The operation name corresponds to the operation name as it would be |
duke@1 | 268 | * encoded in a GIOP request. |
duke@1 | 269 | * |
duke@1 | 270 | * @param expectedType a Class object representing the expected type of the servant. |
duke@1 | 271 | * The expected type is the Class object associated with the operations |
duke@1 | 272 | * class of the stub's interface (e.g. A stub for an interface Foo, |
duke@1 | 273 | * would pass the Class object for the FooOperations interface). |
duke@1 | 274 | * |
duke@1 | 275 | * @return a ServantObject object. |
duke@1 | 276 | * The method may return a null value if it does not wish to support |
duke@1 | 277 | * this optimization (e.g. due to security, transactions, etc). |
duke@1 | 278 | * The method must return null if the servant is not of the expected type. |
duke@1 | 279 | */ |
duke@1 | 280 | public ServantObject servant_preinvoke(org.omg.CORBA.Object self, |
duke@1 | 281 | String operation, |
duke@1 | 282 | Class expectedType) { |
duke@1 | 283 | return null; |
duke@1 | 284 | } |
duke@1 | 285 | |
duke@1 | 286 | /** |
duke@1 | 287 | * servant_postinvoke() is invoked by the local stub after the operation |
duke@1 | 288 | * has been invoked on the local servant. |
duke@1 | 289 | * This method must be called if servant_preinvoke() returned a non-null |
duke@1 | 290 | * value, even if an exception was thrown by the servant's method. |
duke@1 | 291 | * For this reason, the call to servant_postinvoke() should be placed |
duke@1 | 292 | * in a Java finally clause. |
duke@1 | 293 | * |
duke@1 | 294 | * @param self The object reference which delegated to this delegate. |
duke@1 | 295 | * |
duke@1 | 296 | * @param servant the instance of the ServantObject returned from |
duke@1 | 297 | * the servant_preinvoke() method. |
duke@1 | 298 | */ |
duke@1 | 299 | public void servant_postinvoke(org.omg.CORBA.Object self, |
duke@1 | 300 | ServantObject servant) { |
duke@1 | 301 | } |
duke@1 | 302 | |
duke@1 | 303 | /** |
duke@1 | 304 | * request is called by a stub to obtain an OutputStream for |
duke@1 | 305 | * marshaling arguments. The stub must supply the operation name, |
duke@1 | 306 | * and indicate if a response is expected (i.e is this a oneway |
duke@1 | 307 | * call). |
duke@1 | 308 | * |
duke@1 | 309 | * @param self The object reference which delegated to this delegate. |
duke@1 | 310 | * @param operation a string containing the operation name. |
duke@1 | 311 | * The operation name corresponds to the operation name as it would be |
duke@1 | 312 | * encoded in a GIOP request. |
duke@1 | 313 | * @param responseExpected false if the operation is a one way operation, |
duke@1 | 314 | * and true otherwise. |
duke@1 | 315 | * @return OutputStream the OutputStream into which request arguments |
duke@1 | 316 | * can be marshaled. |
duke@1 | 317 | * @see <a href="package-summary.html#unimpl"><code>portable</code> |
duke@1 | 318 | * package comments for unimplemented features</a> |
duke@1 | 319 | */ |
duke@1 | 320 | public OutputStream request(org.omg.CORBA.Object self, |
duke@1 | 321 | String operation, |
duke@1 | 322 | boolean responseExpected) { |
duke@1 | 323 | throw new org.omg.CORBA.NO_IMPLEMENT(); |
duke@1 | 324 | } |
duke@1 | 325 | |
duke@1 | 326 | /** |
duke@1 | 327 | * invoke is called by a stub to invoke an operation. The stub provides an |
duke@1 | 328 | * OutputStream that was previously returned by a request() |
duke@1 | 329 | * call. invoke returns an InputStream which contains the |
duke@1 | 330 | * marshaled reply. If an exception occurs, invoke may throw an |
duke@1 | 331 | * ApplicationException object which contains an InputStream from |
duke@1 | 332 | * which the user exception state may be unmarshaled. |
duke@1 | 333 | * |
duke@1 | 334 | * @param self The object reference which delegated to this delegate. |
duke@1 | 335 | * @param output the OutputStream which contains marshaled arguments |
duke@1 | 336 | * @return input the InputStream from which reply parameters can be |
duke@1 | 337 | * unmarshaled. |
duke@1 | 338 | * @throws ApplicationException thrown when implementation throws |
duke@1 | 339 | * (upon invocation) an exception defined as part of its remote method |
duke@1 | 340 | * definition. |
duke@1 | 341 | * @throws RemarshalException thrown when remarshalling fails. |
duke@1 | 342 | * @see <a href="package-summary.html#unimpl"><code>portable</code> |
duke@1 | 343 | * package comments for unimplemented features</a> |
duke@1 | 344 | */ |
duke@1 | 345 | public InputStream invoke(org.omg.CORBA.Object self, |
duke@1 | 346 | OutputStream output) |
duke@1 | 347 | throws ApplicationException, RemarshalException { |
duke@1 | 348 | throw new org.omg.CORBA.NO_IMPLEMENT(); |
duke@1 | 349 | } |
duke@1 | 350 | |
duke@1 | 351 | /** |
duke@1 | 352 | * releaseReply may optionally be called by a stub to release a |
duke@1 | 353 | * reply stream back to the ORB when the unmarshaling has |
duke@1 | 354 | * completed. The stub passes the InputStream returned by |
duke@1 | 355 | * invoke() or ApplicationException.getInputStream(). A null |
duke@1 | 356 | * value may also be passed to releaseReply, in which case the |
duke@1 | 357 | * method is a noop. |
duke@1 | 358 | * |
duke@1 | 359 | * @param self The object reference which delegated to this delegate. |
duke@1 | 360 | * @param input the InputStream returned from invoke(). |
duke@1 | 361 | * @see <a href="package-summary.html#unimpl"><code>portable</code> |
duke@1 | 362 | * package comments for unimplemented features</a> |
duke@1 | 363 | */ |
duke@1 | 364 | public void releaseReply(org.omg.CORBA.Object self, |
duke@1 | 365 | InputStream input) { |
duke@1 | 366 | throw new org.omg.CORBA.NO_IMPLEMENT(); |
duke@1 | 367 | } |
duke@1 | 368 | |
duke@1 | 369 | /** |
duke@1 | 370 | * Provides the implementation to override the toString() method |
duke@1 | 371 | * of the delegating CORBA object. |
duke@1 | 372 | * |
duke@1 | 373 | * @param self the object reference that delegated to this delegate |
duke@1 | 374 | * @return a <code>String</code> object that represents the object |
duke@1 | 375 | * reference that delegated to this <code>Delegate</code> |
duke@1 | 376 | * object |
duke@1 | 377 | */ |
duke@1 | 378 | |
duke@1 | 379 | public String toString(org.omg.CORBA.Object self) { |
duke@1 | 380 | return self.getClass().getName() + ":" + this.toString(); |
duke@1 | 381 | } |
duke@1 | 382 | |
duke@1 | 383 | /** |
duke@1 | 384 | * Provides the implementation to override the hashCode() method |
duke@1 | 385 | * of the delegating CORBA object. |
duke@1 | 386 | * |
duke@1 | 387 | * @param self the object reference that delegated to this delegate |
duke@1 | 388 | * @return an <code>int</code> that represents the hashcode for the |
duke@1 | 389 | * object reference that delegated to this <code>Delegate</code> |
duke@1 | 390 | * object |
duke@1 | 391 | */ |
duke@1 | 392 | public int hashCode(org.omg.CORBA.Object self) { |
duke@1 | 393 | return System.identityHashCode(self); |
duke@1 | 394 | } |
duke@1 | 395 | |
duke@1 | 396 | /** |
duke@1 | 397 | * Provides the implementation to override the equals(java.lang.Object obj) |
duke@1 | 398 | * method of the delegating CORBA object. |
duke@1 | 399 | * |
duke@1 | 400 | * @param self the object reference that delegated to this delegate |
duke@1 | 401 | * @param obj the <code>Object</code> with which to compare |
duke@1 | 402 | * @return <code>true</code> if <code>obj</code> equals <code>self</code>; |
duke@1 | 403 | * <code>false</code> otherwise |
duke@1 | 404 | */ |
duke@1 | 405 | public boolean equals(org.omg.CORBA.Object self, java.lang.Object obj) { |
duke@1 | 406 | return (self == obj); |
duke@1 | 407 | } |
duke@1 | 408 | } |