yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2013 Stanford University |
| 2 | * |
| 3 | * Permission to use, copy, modify, and distribute this software for any |
| 4 | * purpose with or without fee is hereby granted, provided that the above |
| 5 | * copyright notice and this permission notice appear in all copies. |
| 6 | * |
| 7 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR(S) DISCLAIM ALL WARRANTIES |
| 8 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 9 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL AUTHORS BE LIABLE FOR |
| 10 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 11 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 12 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 13 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 14 | */ |
| 15 | |
| 16 | package edu.stanford.ramcloud; |
Yoshi Muroi | 2c17060 | 2014-02-15 08:31:28 -0800 | [diff] [blame] | 17 | import java.util.Arrays; |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 18 | import java.util.LinkedList; |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 19 | |
| 20 | /* |
| 21 | * This class provides Java bindings for RAMCloud. Right now it is a rather |
| 22 | * simple subset of what RamCloud.h defines. |
| 23 | * |
| 24 | * Running ``javah'' on this file will generate a C header file with the |
| 25 | * appropriate JNI function definitions. The glue interfacing to the C++ |
| 26 | * RAMCloud library can be found in JRamCloud.cc. |
| 27 | * |
| 28 | * For JNI information, the IBM tutorials and Android developer docs are much |
| 29 | * better than Sun's at giving an overall intro: |
| 30 | * http://www.ibm.com/developerworks/java/tutorials/j-jni/section4.html |
| 31 | * http://developer.android.com/training/articles/perf-jni.html |
| 32 | */ |
| 33 | public class JRamCloud { |
| 34 | static { |
| 35 | System.loadLibrary("edu_stanford_ramcloud_JRamCloud"); |
| 36 | } |
| 37 | |
| 38 | /// Pointer to the underlying C++ RAMCloud object associated with this |
| 39 | /// object. |
| 40 | private long ramcloudObjectPointer = 0; |
| 41 | |
| 42 | /** |
| 43 | * See src/RejectRules.h. |
| 44 | */ |
| 45 | public class RejectRules { |
| 46 | private long givenVersion; |
| 47 | private boolean doesntExist; |
| 48 | private boolean exists; |
| 49 | private boolean versionLeGiven; |
| 50 | private boolean versionNeGiven; |
| 51 | |
| 52 | public RejectRules() { |
| 53 | this.givenVersion = -1; |
| 54 | this.exists = this.doesntExist = this.versionLeGiven = this.versionNeGiven = false; |
| 55 | } |
| 56 | |
| 57 | public void setLeVersion(long version) { |
| 58 | setVersion(version); |
| 59 | this.versionLeGiven = true; |
| 60 | } |
| 61 | |
| 62 | public void setExists() { |
| 63 | this.exists = true; |
| 64 | } |
| 65 | |
| 66 | public void setDoesntExists() { |
| 67 | this.doesntExist = true; |
| 68 | } |
| 69 | |
| 70 | public void setNeVersion(long version) { |
| 71 | setVersion(version); |
| 72 | this.versionNeGiven = true; |
| 73 | } |
| 74 | |
| 75 | private void setVersion(long version) { |
| 76 | this.givenVersion = version; |
| 77 | } |
| 78 | } |
| 79 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 80 | public static class MultiReadObject { |
| 81 | public long[] tableId; |
| 82 | public byte[] key[]; |
| 83 | public short[] keyLength; |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 84 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 85 | public MultiReadObject(int size){ |
| 86 | this.tableId = new long[size]; |
| 87 | this.key = new byte[size][]; |
| 88 | this.keyLength = new short[size]; |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 89 | } |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 90 | |
| 91 | public void setObject(int num, long tableId, byte key[]){ |
| 92 | this.tableId[num] = tableId; |
| 93 | this.key[num] = key; |
| 94 | this.keyLength[num] = (short) this.key[num].length; |
| 95 | } |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | public static class MultiWriteObject { |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 99 | public long[] tableId; |
| 100 | public byte[] key[]; |
| 101 | public short[] keyLength; |
| 102 | public byte[] value[]; |
| 103 | public short[] valueLength; |
| 104 | public RejectRules[] rules; |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 105 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 106 | public MultiWriteObject(int size) { |
| 107 | this.tableId = new long[size]; |
| 108 | this.key = new byte[size][]; |
| 109 | this.keyLength = new short[size]; |
| 110 | this.value = new byte[size][]; |
| 111 | this.valueLength = new short[size]; |
| 112 | this.rules = new RejectRules[size]; |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 113 | } |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 114 | |
| 115 | public void setObject(int num, long tableId, byte key[], byte value[], RejectRules rules){ |
| 116 | this.tableId[num] = tableId; |
| 117 | this.key[num] = key; |
| 118 | this.keyLength[num] = (short) key.length; |
| 119 | this.value[num] = value; |
| 120 | this.valueLength[num] = (short) value.length; |
| 121 | this.rules[num] = rules; |
| 122 | } |
| 123 | |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 124 | } |
| 125 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 126 | public static class MultiWriteRspObject { |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 127 | private int status; |
| 128 | private long version; |
| 129 | |
| 130 | public MultiWriteRspObject(int status, long version) { |
| 131 | this.status = status; |
| 132 | this.version = version; |
| 133 | } |
| 134 | public int getStatus() { |
| 135 | return status; |
| 136 | } |
| 137 | |
| 138 | public long getVersion() { |
| 139 | return version; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * This class is returned by Read operations. It encapsulates the entire |
| 145 | * object, including the key, value, and version. |
| 146 | * |
| 147 | * It mostly exists because Java doesn't support primitive out parameters |
| 148 | * or multiple return values, and we don't know the object's size ahead of |
| 149 | * time, so passing in a fixed-length array would be problematic. |
| 150 | */ |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 151 | public static class Object { |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 152 | Object(byte[] _key, byte[] _value, long _version) |
| 153 | { |
| 154 | key = _key; |
| 155 | value = _value; |
| 156 | version = _version; |
| 157 | } |
| 158 | |
| 159 | public String |
| 160 | getKey() |
| 161 | { |
| 162 | return new String(key); |
| 163 | } |
| 164 | |
| 165 | public String |
| 166 | getValue() |
| 167 | { |
| 168 | return new String(value); |
| 169 | } |
| 170 | |
| 171 | final public byte[] key; |
| 172 | final public byte[] value; |
| 173 | final public long version; |
| 174 | } |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 175 | |
| 176 | public static class TableEnumeratorObject { |
| 177 | TableEnumeratorObject(Object[] _object, long _nextHash) |
| 178 | { |
| 179 | object = _object; |
| 180 | nextHash = _nextHash; |
| 181 | } |
| 182 | |
| 183 | final public Object[] object; |
| 184 | final public long nextHash; |
| 185 | } |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 186 | |
| 187 | public class TableEnumerator { |
| 188 | private long tableEnumeratorObjectPointer = 0; |
| 189 | private long ramCloudObjectPointer = 0; |
| 190 | |
| 191 | public TableEnumerator(long tableId) |
| 192 | { |
| 193 | ramCloudObjectPointer = ramcloudObjectPointer; |
| 194 | tableEnumeratorObjectPointer = init(tableId); |
| 195 | } |
| 196 | |
| 197 | private native long init(long tableId); |
| 198 | public native boolean hasNext(); |
| 199 | public native Object next(); |
| 200 | } |
| 201 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 202 | public class TableEnumerator2 { |
| 203 | |
| 204 | protected long tableId; |
| 205 | protected LinkedList<JRamCloud.Object> rcobjs = null; |
| 206 | protected long nextHash = 0; |
| 207 | protected boolean done = false; |
| 208 | |
| 209 | public TableEnumerator2(long tableId) |
| 210 | { |
| 211 | this.tableId = tableId; |
| 212 | rcobjs = new LinkedList<>(); |
| 213 | } |
| 214 | public boolean hasNext() { |
| 215 | if (rcobjs.isEmpty()) |
| 216 | { |
| 217 | if (done) { |
| 218 | return false; |
| 219 | } |
| 220 | JRamCloud.TableEnumeratorObject o = getTableObjects(this.tableId, this.nextHash); |
| 221 | if (o.nextHash == 0L) { |
| 222 | done = true; |
| 223 | } |
| 224 | this.nextHash = o.nextHash; |
| 225 | rcobjs.addAll(Arrays.asList(o.object)); |
| 226 | if (rcobjs.isEmpty()) { |
| 227 | return false; |
| 228 | } |
| 229 | } |
| 230 | return true; |
| 231 | } |
| 232 | |
| 233 | public Object next() |
| 234 | { |
| 235 | return rcobjs.pop(); |
| 236 | } |
| 237 | } |
| 238 | |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 239 | /** |
| 240 | * Connect to the RAMCloud cluster specified by the given coordinator's |
| 241 | * service locator string. This causes the JNI code to instantiate the |
| 242 | * underlying RamCloud C++ object. |
| 243 | */ |
| 244 | public |
| 245 | JRamCloud(String coordinatorLocator) |
| 246 | { |
| 247 | ramcloudObjectPointer = connect(coordinatorLocator); |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * Disconnect from the RAMCloud cluster. This causes the JNI code to |
| 252 | * destroy the underlying RamCloud C++ object. |
| 253 | */ |
| 254 | public void |
| 255 | disconnect() |
| 256 | { |
| 257 | if (ramcloudObjectPointer != 0) { |
| 258 | disconnect(ramcloudObjectPointer); |
| 259 | ramcloudObjectPointer = 0; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * This method is called by the garbage collector before destroying the |
| 265 | * object. The user really should have called disconnect, but in case |
| 266 | * they did not, be sure to clean up after them. |
| 267 | */ |
| 268 | public void |
| 269 | finalize() |
| 270 | { |
| 271 | System.err.println("warning: JRamCloud::disconnect() was not called " + |
| 272 | "prior to the finalizer. You should disconnect " + |
| 273 | "your JRamCloud object when you're done with it."); |
| 274 | disconnect(); |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Convenience read() wrapper that take a String key argument. |
| 279 | */ |
| 280 | public Object |
| 281 | read(long tableId, String key) |
| 282 | { |
| 283 | return read(tableId, key.getBytes()); |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Convenience read() wrapper that take a String key argument. |
| 288 | */ |
| 289 | public Object |
| 290 | read(long tableId, String key, RejectRules rules) |
| 291 | { |
| 292 | return read(tableId, key.getBytes(), rules); |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Convenience remove() wrapper that take a String key argument. |
| 297 | */ |
| 298 | public long |
| 299 | remove(long tableId, String key) |
| 300 | { |
| 301 | return remove(tableId, key.getBytes()); |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Convenience remove() wrapper that take a String key argument. |
| 306 | */ |
| 307 | public long |
| 308 | remove(long tableId, String key, RejectRules rules) |
| 309 | { |
| 310 | return remove(tableId, key.getBytes(), rules); |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Convenience write() wrapper that take String key and value arguments. |
| 315 | */ |
| 316 | public long |
| 317 | write(long tableId, String key, String value) |
| 318 | { |
| 319 | return write(tableId, key.getBytes(), value.getBytes()); |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * Convenience write() wrapper that take String key and value arguments. |
| 324 | */ |
| 325 | public long |
| 326 | write(long tableId, String key, String value, RejectRules rules) |
| 327 | { |
| 328 | return write(tableId, key.getBytes(), value.getBytes(), rules); |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * Convenience write() wrapper that takes a String key and a byte[] value |
| 333 | * argument. |
| 334 | */ |
| 335 | public long |
| 336 | write(long tableId, String key, byte[] value) |
| 337 | { |
| 338 | return write(tableId, key.getBytes(), value); |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Convenience write() wrapper that takes a String key and a byte[] value |
| 343 | * argument. |
| 344 | */ |
| 345 | public long |
| 346 | write(long tableId, String key, byte[] value, RejectRules rules) |
| 347 | { |
| 348 | return write(tableId, key.getBytes(), value, rules); |
| 349 | } |
| 350 | |
| 351 | private static native long connect(String coordinatorLocator); |
| 352 | private static native void disconnect(long ramcloudObjectPointer); |
| 353 | |
| 354 | public native long createTable(String name); |
| 355 | public native long createTable(String name, int serverSpan); |
| 356 | public native void dropTable(String name); |
| 357 | public native long getTableId(String name); |
| 358 | public native Object read(long tableId, byte[] key); |
| 359 | public native Object read(long tableId, byte[] key, RejectRules rules); |
Yoshi Muroi | 2c17060 | 2014-02-15 08:31:28 -0800 | [diff] [blame] | 360 | public native Object[] multiRead(long[] tableId, byte[] keydata[], short[] keyDataSize, int requestNum); |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 361 | public native long remove(long tableId, byte[] key); |
| 362 | public native long remove(long tableId, byte[] key, RejectRules rules); |
| 363 | public native long write(long tableId, byte[] key, byte[] value); |
| 364 | public native long write(long tableId, byte[] key, byte[] value, RejectRules rules); |
| 365 | public native long writeRule(long tableId, byte[] key, byte[] value, RejectRules rules); |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 366 | public native MultiWriteRspObject[] multiWrite(long[] tableId, byte[] key[], short[] keyDataSize, byte[] value[], short[] valueDataSize, int requestNum, RejectRules[] rules); |
| 367 | public native TableEnumeratorObject getTableObjects(long tableId, long nextHash); |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 368 | |
| 369 | /* |
| 370 | * The following exceptions may be thrown by the JNI functions: |
| 371 | */ |
| 372 | |
| 373 | public class TableDoesntExistException extends Exception { |
| 374 | public TableDoesntExistException(String message) |
| 375 | { |
| 376 | super(message); |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | public class ObjectDoesntExistException extends Exception { |
| 381 | public ObjectDoesntExistException(String message) |
| 382 | { |
| 383 | super(message); |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | public class ObjectExistsException extends Exception { |
| 388 | public ObjectExistsException(String message) |
| 389 | { |
| 390 | super(message); |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | public class WrongVersionException extends Exception { |
| 395 | public WrongVersionException(String message) |
| 396 | { |
| 397 | super(message); |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | public class InvalidObjectException extends Exception { |
| 402 | public InvalidObjectException(String message) { |
| 403 | super(message); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | public class RejectRulesException extends Exception { |
| 408 | public RejectRulesException(String message) { |
| 409 | super(message); |
| 410 | } |
| 411 | } |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 412 | |
| 413 | public static void tableEnumeratorTest(JRamCloud ramcloud) { |
| 414 | long startTime = 0; |
| 415 | for (int x = 0 ; x < 2 ; x ++){ |
| 416 | for(int N = 1000; N < 10000; N += 1000) { |
| 417 | long EnumerateTesttable = ramcloud.createTable("EnumerateTest"); |
| 418 | for(int i = 0 ; i < N ; ++i) { |
| 419 | String key = new Integer(i).toString(); |
| 420 | ramcloud.write(EnumerateTesttable, key.getBytes(), "Hello, World!".getBytes()); |
| 421 | } |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 422 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 423 | MultiReadObject mread[] = new MultiReadObject[N]; |
| 424 | long tableIdList[] = new long[N]; |
| 425 | byte[] keydata[] = new byte[N][]; |
| 426 | short keydataSize[] = new short[N]; |
| 427 | startTime = System.nanoTime(); |
| 428 | for (int j = 0 ; j < N ; ++j) { |
| 429 | tableIdList[j] = EnumerateTesttable; |
| 430 | String key = new Integer(j).toString(); |
| 431 | keydata[j] = key.getBytes(); |
| 432 | keydataSize[j] = (short) keydata[j].length; |
| 433 | } |
| 434 | JRamCloud.Object out[] = ramcloud.multiRead(tableIdList, keydata, keydataSize, N); |
| 435 | for (int i = 0; i < N; ++i) { |
| 436 | if(out[i].version == 0) { |
| 437 | System.out.println("Verify fail " + out[i].getKey() + " V:" + out[i].getValue()); |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | System.out.println("multiRead : " + N + " Time : " + (System.nanoTime()-startTime)); |
| 442 | |
| 443 | startTime = System.nanoTime(); |
| 444 | JRamCloud.TableEnumerator tableEnum = ramcloud.new TableEnumerator(EnumerateTesttable); |
| 445 | while (tableEnum.hasNext()) { |
| 446 | Object tableEntry = tableEnum.next(); |
| 447 | if (tableEntry != null) { |
| 448 | System.out.println("tableEnumerator object: key = [" + tableEntry.getKey() + "], value = [" + tableEntry.getValue() + "]"); |
| 449 | } |
| 450 | } |
| 451 | System.out.println("old TableEnumerator : " + N + " Time : " + (System.nanoTime()-startTime)); |
| 452 | |
| 453 | startTime = System.nanoTime(); |
| 454 | JRamCloud.TableEnumerator2 tableEnum2 = ramcloud.new TableEnumerator2(EnumerateTesttable); |
| 455 | while (tableEnum2.hasNext()) { |
| 456 | Object tableEntry2 = tableEnum2.next(); |
| 457 | if (tableEntry2 != null) { |
| 458 | System.out.println("tableEnumerator2 object: key = [" + tableEntry2.getKey() + "], value = [" + tableEntry2.getValue() + "]"); |
| 459 | } |
| 460 | } |
| 461 | System.out.println("new TableEnumerator : " + N + " Time : " + (System.nanoTime()-startTime)); |
| 462 | ramcloud.dropTable("EnumerateTest"); |
| 463 | } |
| 464 | } |
| 465 | } |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 466 | /** |
| 467 | * A simple end-to-end test of the java bindings. |
| 468 | */ |
| 469 | public static void |
| 470 | main(String argv[]) |
| 471 | { |
| 472 | JRamCloud ramcloud = new JRamCloud(argv[0]); |
| 473 | long tableId = ramcloud.createTable("hi"); |
| 474 | System.out.println("created table, id = " + tableId); |
| 475 | long tableId2 = ramcloud.getTableId("hi"); |
| 476 | System.out.println("getTableId says tableId = " + tableId2); |
| 477 | |
| 478 | System.out.println("wrote obj version = " + |
| 479 | ramcloud.write(tableId, "thisIsTheKey", "thisIsTheValue")); |
| 480 | |
| 481 | JRamCloud.Object o = ramcloud.read(tableId, "thisIsTheKey"); |
| 482 | System.out.println("read object: key = [" + o.getKey() + "], value = [" |
| 483 | + o.getValue() + "], version = " + o.version); |
| 484 | |
| 485 | ramcloud.remove(tableId, "thisIsTheKey"); |
| 486 | |
| 487 | try { |
| 488 | ramcloud.read(tableId, "thisIsTheKey"); |
| 489 | System.out.println("Error: shouldn't have read successfully!"); |
| 490 | } catch (Exception e) { |
| 491 | // OK |
| 492 | } |
| 493 | |
| 494 | ramcloud.write(tableId, "thisIsTheKey", "thisIsTheValue"); |
| 495 | |
| 496 | long before = System.nanoTime(); |
| 497 | for (int i = 0; i < 1000; i++) { |
| 498 | JRamCloud.Object unused = ramcloud.read(tableId, "thisIsTheKey"); |
| 499 | } |
| 500 | long after = System.nanoTime(); |
| 501 | System.out.println("Avg read latency: " + |
| 502 | ((double)(after - before) / 1000 / 1000) + " usec"); |
| 503 | |
| 504 | // multiRead test |
| 505 | long tableId4 = ramcloud.createTable("table4"); |
| 506 | System.out.println("table4 id " + tableId4); |
| 507 | ramcloud.write(tableId4, "object1-1", "value:1-1"); |
| 508 | ramcloud.write(tableId4, "object1-2", "value:1-2"); |
| 509 | ramcloud.write(tableId4, "object1-3", "value:1-3"); |
| 510 | long tableId5 = ramcloud.createTable("table5"); |
| 511 | System.out.println("table5 id " + tableId5); |
| 512 | ramcloud.write(tableId5, "object2-1", "value:2-1"); |
| 513 | long tableId6 = ramcloud.createTable("table6"); |
| 514 | ramcloud.write(tableId6, "object3-1", "value:3-1"); |
| 515 | ramcloud.write(tableId6, "object3-2", "value:3-2"); |
| 516 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 517 | MultiReadObject mr = new MultiReadObject(2); |
| 518 | MultiWriteObject mw = new MultiWriteObject(2); |
| 519 | |
| 520 | mr.setObject(0, tableId4, "object1-1".getBytes()); |
| 521 | mr.setObject(1, tableId5, "object2-1".getBytes()); |
Yoshi Muroi | 2c17060 | 2014-02-15 08:31:28 -0800 | [diff] [blame] | 522 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 523 | JRamCloud.Object out[] = ramcloud.multiRead(mr.tableId, mr.key, mr.keyLength, 2); |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 524 | for (int i = 0 ; i < 2 ; i++){ |
| 525 | System.out.println("multi read object: key = [" + out[i].getKey() + "], value = [" |
| 526 | + out[i].getValue() + "]"); |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 527 | } |
Yoshi Muroi | 2c17060 | 2014-02-15 08:31:28 -0800 | [diff] [blame] | 528 | |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 529 | for (int i = 0; i < 1000; i++) { |
| 530 | String key1 = "key1" + new Integer(i).toString(); |
| 531 | String key2 = "key2" + new Integer(i).toString(); |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 532 | |
| 533 | mw.setObject(0, tableId4, key1.getBytes(), "v0-value".getBytes(), null); |
| 534 | mw.setObject(1, tableId5, key2.getBytes(), "v1".getBytes(), null); |
| 535 | |
| 536 | MultiWriteRspObject[] rsp = ramcloud.multiWrite(mw.tableId, mw.key, mw.keyLength, mw.value, mw.valueLength, 2, mw.rules); |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 537 | if (rsp != null) { |
| 538 | for (int j = 0; j < rsp.length; j++) { |
| 539 | System.out.println("multi write rsp(" + j + ") status:version " + rsp[j].getStatus() + ":" + rsp[j].getVersion()); |
| 540 | } |
| 541 | } |
| 542 | } |
| 543 | for (int i = 0; i < 1000; i++) { |
| 544 | String key1 = "key1" + new Integer(i).toString(); |
| 545 | String key2 = "key2" + new Integer(i).toString(); |
Yoshi Muroi | 2c17060 | 2014-02-15 08:31:28 -0800 | [diff] [blame] | 546 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 547 | mr.setObject(0, tableId4, key1.getBytes()); |
| 548 | mr.setObject(1, tableId5, key2.getBytes()); |
| 549 | |
| 550 | out = ramcloud.multiRead(mr.tableId, mr.key, mr.keyLength, 2); |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 551 | for (int j = 0; j < 2; j++) { |
| 552 | System.out.println("multi read object: key = [" + out[j].getKey() + "], value = [" + out[j].getValue() + "]"); |
| 553 | } |
| 554 | } |
Yoshi Muroi | 2c17060 | 2014-02-15 08:31:28 -0800 | [diff] [blame] | 555 | |
Yoshi Muroi | e7693b1 | 2014-02-19 19:41:17 -0800 | [diff] [blame] | 556 | tableEnumeratorTest(ramcloud); |
| 557 | |
yoshi | 28bac13 | 2014-01-22 11:00:17 -0800 | [diff] [blame] | 558 | ramcloud.dropTable("table4"); |
| 559 | ramcloud.dropTable("table5"); |
| 560 | ramcloud.dropTable("table6"); |
| 561 | ramcloud.disconnect(); |
| 562 | } |
| 563 | } |