001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.client; 019 020import com.google.protobuf.Descriptors; 021import com.google.protobuf.Message; 022import com.google.protobuf.Service; 023import com.google.protobuf.ServiceException; 024import java.io.Closeable; 025import java.io.IOException; 026import java.util.Collections; 027import java.util.List; 028import java.util.Map; 029import java.util.concurrent.TimeUnit; 030import org.apache.commons.lang3.NotImplementedException; 031import org.apache.hadoop.conf.Configuration; 032import org.apache.hadoop.hbase.Cell; 033import org.apache.hadoop.hbase.CompareOperator; 034import org.apache.hadoop.hbase.HTableDescriptor; 035import org.apache.hadoop.hbase.TableName; 036import org.apache.hadoop.hbase.client.coprocessor.Batch; 037import org.apache.hadoop.hbase.filter.CompareFilter; 038import org.apache.hadoop.hbase.filter.Filter; 039import org.apache.hadoop.hbase.io.TimeRange; 040import org.apache.hadoop.hbase.ipc.CoprocessorRpcChannel; 041import org.apache.hadoop.hbase.util.Bytes; 042import org.apache.yetus.audience.InterfaceAudience; 043 044/** 045 * Used to communicate with a single HBase table. Obtain an instance from a {@link Connection} and 046 * call {@link #close()} afterwards. 047 * <p> 048 * <code>Table</code> can be used to get, put, delete or scan data from a table. 049 * @see ConnectionFactory 050 * @see Connection 051 * @see Admin 052 * @see RegionLocator 053 * @since 0.99.0 054 */ 055@InterfaceAudience.Public 056public interface Table extends Closeable { 057 /** 058 * Gets the fully qualified table name instance of this table. 059 */ 060 TableName getName(); 061 062 /** 063 * Returns the {@link org.apache.hadoop.conf.Configuration} object used by this instance. 064 * <p> 065 * The reference returned is not a copy, so any change made to it will affect this instance. 066 */ 067 Configuration getConfiguration(); 068 069 /** 070 * Gets the {@link org.apache.hadoop.hbase.HTableDescriptor table descriptor} for this table. 071 * @throws java.io.IOException if a remote or network exception occurs. 072 * @deprecated since 2.0 version and will be removed in 3.0 version. use {@link #getDescriptor()} 073 */ 074 @Deprecated 075 default HTableDescriptor getTableDescriptor() throws IOException { 076 TableDescriptor descriptor = getDescriptor(); 077 078 if (descriptor instanceof HTableDescriptor) { 079 return (HTableDescriptor) descriptor; 080 } else { 081 return new HTableDescriptor(descriptor); 082 } 083 } 084 085 /** 086 * Gets the {@link org.apache.hadoop.hbase.client.TableDescriptor table descriptor} for this 087 * table. 088 * @throws java.io.IOException if a remote or network exception occurs. 089 */ 090 TableDescriptor getDescriptor() throws IOException; 091 092 /** 093 * Gets the {@link RegionLocator} for this table. 094 */ 095 RegionLocator getRegionLocator() throws IOException; 096 097 /** 098 * Test for the existence of columns in the table, as specified by the Get. 099 * <p> 100 * This will return true if the Get matches one or more keys, false if not. 101 * <p> 102 * This is a server-side call so it prevents any data from being transfered to the client. 103 * @param get the Get 104 * @return true if the specified Get matches one or more keys, false if not 105 * @throws IOException e 106 */ 107 default boolean exists(Get get) throws IOException { 108 return exists(Collections.singletonList(get))[0]; 109 } 110 111 /** 112 * Test for the existence of columns in the table, as specified by the Gets. 113 * <p> 114 * This will return an array of booleans. Each value will be true if the related Get matches one 115 * or more keys, false if not. 116 * <p> 117 * This is a server-side call so it prevents any data from being transferred to the client. 118 * @param gets the Gets 119 * @return Array of boolean. True if the specified Get matches one or more keys, false if not. 120 * @throws IOException e 121 */ 122 default boolean[] exists(List<Get> gets) throws IOException { 123 throw new NotImplementedException("Add an implementation!"); 124 } 125 126 /** 127 * Test for the existence of columns in the table, as specified by the Gets. This will return an 128 * array of booleans. Each value will be true if the related Get matches one or more keys, false 129 * if not. This is a server-side call so it prevents any data from being transferred to the 130 * client. 131 * @param gets the Gets 132 * @return Array of boolean. True if the specified Get matches one or more keys, false if not. 133 * @throws IOException e 134 * @deprecated since 2.0 version and will be removed in 3.0 version. use {@link #exists(List)} 135 */ 136 @Deprecated 137 default boolean[] existsAll(List<Get> gets) throws IOException { 138 return exists(gets); 139 } 140 141 /** 142 * Method that does a batch call on Deletes, Gets, Puts, Increments, Appends, RowMutations. The 143 * ordering of execution of the actions is not defined. Meaning if you do a Put and a Get in the 144 * same {@link #batch} call, you will not necessarily be guaranteed that the Get returns what the 145 * Put had put. 146 * @param actions list of Get, Put, Delete, Increment, Append, RowMutations. 147 * @param results Empty Object[], same size as actions. Provides access to partial results, in 148 * case an exception is thrown. A null in the result array means that the call for 149 * that action failed, even after retries. The order of the objects in the results 150 * array corresponds to the order of actions in the request list. 151 * @since 0.90.0 152 */ 153 default void batch(final List<? extends Row> actions, final Object[] results) 154 throws IOException, InterruptedException { 155 throw new NotImplementedException("Add an implementation!"); 156 } 157 158 /** 159 * Same as {@link #batch(List, Object[])}, but with a callback. 160 * @since 0.96.0 161 */ 162 default <R> void batchCallback(final List<? extends Row> actions, final Object[] results, 163 final Batch.Callback<R> callback) throws IOException, InterruptedException { 164 throw new NotImplementedException("Add an implementation!"); 165 } 166 167 /** 168 * Extracts certain cells from a given row. 169 * @param get The object that specifies what data to fetch and from which row. 170 * @return The data coming from the specified row, if it exists. If the row specified doesn't 171 * exist, the {@link Result} instance returned won't contain any 172 * {@link org.apache.hadoop.hbase.KeyValue}, as indicated by {@link Result#isEmpty()}. 173 * @throws IOException if a remote or network exception occurs. 174 * @since 0.20.0 175 */ 176 default Result get(Get get) throws IOException { 177 return get(Collections.singletonList(get))[0]; 178 } 179 180 /** 181 * Extracts specified cells from the given rows, as a batch. 182 * @param gets The objects that specify what data to fetch and from which rows. 183 * @return The data coming from the specified rows, if it exists. If the row specified doesn't 184 * exist, the {@link Result} instance returned won't contain any 185 * {@link org.apache.hadoop.hbase.Cell}s, as indicated by {@link Result#isEmpty()}. If 186 * there are any failures even after retries, there will be a <code>null</code> in the 187 * results' array for those Gets, AND an exception will be thrown. The ordering of the 188 * Result array corresponds to the order of the list of passed in Gets. 189 * @throws IOException if a remote or network exception occurs. 190 * @since 0.90.0 191 * @apiNote {@link #put(List)} runs pre-flight validations on the input list on client. Currently 192 * {@link #get(List)} doesn't run any validations on the client-side, currently there is 193 * no need, but this may change in the future. An {@link IllegalArgumentException} will 194 * be thrown in this case. 195 */ 196 default Result[] get(List<Get> gets) throws IOException { 197 throw new NotImplementedException("Add an implementation!"); 198 } 199 200 /** 201 * Returns a scanner on the current table as specified by the {@link Scan} object. Note that the 202 * passed {@link Scan}'s start row and caching properties maybe changed. 203 * @param scan A configured {@link Scan} object. 204 * @return A scanner. 205 * @throws IOException if a remote or network exception occurs. 206 * @since 0.20.0 207 */ 208 default ResultScanner getScanner(Scan scan) throws IOException { 209 throw new NotImplementedException("Add an implementation!"); 210 } 211 212 /** 213 * Gets a scanner on the current table for the given family. 214 * @param family The column family to scan. 215 * @return A scanner. 216 * @throws IOException if a remote or network exception occurs. 217 * @since 0.20.0 218 */ 219 default ResultScanner getScanner(byte[] family) throws IOException { 220 throw new NotImplementedException("Add an implementation!"); 221 } 222 223 /** 224 * Gets a scanner on the current table for the given family and qualifier. 225 * @param family The column family to scan. 226 * @param qualifier The column qualifier to scan. 227 * @return A scanner. 228 * @throws IOException if a remote or network exception occurs. 229 * @since 0.20.0 230 */ 231 default ResultScanner getScanner(byte[] family, byte[] qualifier) throws IOException { 232 throw new NotImplementedException("Add an implementation!"); 233 } 234 235 /** 236 * Puts some data in the table. 237 * @param put The data to put. 238 * @throws IOException if a remote or network exception occurs. 239 * @since 0.20.0 240 */ 241 default void put(Put put) throws IOException { 242 put(Collections.singletonList(put)); 243 } 244 245 /** 246 * Batch puts the specified data into the table. 247 * <p> 248 * This can be used for group commit, or for submitting user defined batches. Before sending a 249 * batch of mutations to the server, the client runs a few validations on the input list. If an 250 * error is found, for example, a mutation was supplied but was missing it's column an 251 * {@link IllegalArgumentException} will be thrown and no mutations will be applied. If there are 252 * any failures even after retries, a {@link RetriesExhaustedWithDetailsException} will be thrown. 253 * RetriesExhaustedWithDetailsException contains lists of failed mutations and corresponding 254 * remote exceptions. The ordering of mutations and exceptions in the encapsulating exception 255 * corresponds to the order of the input list of Put requests. 256 * @param puts The list of mutations to apply. 257 * @throws IOException if a remote or network exception occurs. 258 * @since 0.20.0 259 */ 260 default void put(List<Put> puts) throws IOException { 261 throw new NotImplementedException("Add an implementation!"); 262 } 263 264 /** 265 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 266 * adds the put. If the passed value is null, the check is for the lack of column (ie: 267 * non-existance) 268 * @param row to check 269 * @param family column family to check 270 * @param qualifier column qualifier to check 271 * @param value the expected value 272 * @param put data to put if check succeeds 273 * @throws IOException e 274 * @return true if the new put was executed, false otherwise 275 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 276 */ 277 @Deprecated 278 default boolean checkAndPut(byte[] row, byte[] family, byte[] qualifier, byte[] value, Put put) 279 throws IOException { 280 return checkAndPut(row, family, qualifier, CompareOperator.EQUAL, value, put); 281 } 282 283 /** 284 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 285 * adds the put. If the passed value is null, the check is for the lack of column (ie: 286 * non-existence) The expected value argument of this call is on the left and the current value of 287 * the cell is on the right side of the comparison operator. Ie. eg. GREATER operator means 288 * expected value > existing <=> add the put. 289 * @param row to check 290 * @param family column family to check 291 * @param qualifier column qualifier to check 292 * @param compareOp comparison operator to use 293 * @param value the expected value 294 * @param put data to put if check succeeds 295 * @throws IOException e 296 * @return true if the new put was executed, false otherwise 297 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 298 */ 299 @Deprecated 300 default boolean checkAndPut(byte[] row, byte[] family, byte[] qualifier, 301 CompareFilter.CompareOp compareOp, byte[] value, Put put) throws IOException { 302 RowMutations mutations = new RowMutations(put.getRow(), 1); 303 mutations.add(put); 304 305 return checkAndMutate(row, family, qualifier, compareOp, value, mutations); 306 } 307 308 /** 309 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 310 * adds the put. If the passed value is null, the check is for the lack of column (ie: 311 * non-existence) The expected value argument of this call is on the left and the current value of 312 * the cell is on the right side of the comparison operator. Ie. eg. GREATER operator means 313 * expected value > existing <=> add the put. 314 * @param row to check 315 * @param family column family to check 316 * @param qualifier column qualifier to check 317 * @param op comparison operator to use 318 * @param value the expected value 319 * @param put data to put if check succeeds 320 * @throws IOException e 321 * @return true if the new put was executed, false otherwise 322 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 323 */ 324 @Deprecated 325 default boolean checkAndPut(byte[] row, byte[] family, byte[] qualifier, CompareOperator op, 326 byte[] value, Put put) throws IOException { 327 RowMutations mutations = new RowMutations(put.getRow(), 1); 328 mutations.add(put); 329 330 return checkAndMutate(row, family, qualifier, op, value, mutations); 331 } 332 333 /** 334 * Deletes the specified cells/row. 335 * @param delete The object that specifies what to delete. 336 * @throws IOException if a remote or network exception occurs. 337 * @since 0.20.0 338 */ 339 default void delete(Delete delete) throws IOException { 340 throw new NotImplementedException("Add an implementation!"); 341 } 342 343 /** 344 * Batch Deletes the specified cells/rows from the table. 345 * <p> 346 * If a specified row does not exist, {@link Delete} will report as though sucessful delete; no 347 * exception will be thrown. If there are any failures even after retries, a 348 * {@link RetriesExhaustedWithDetailsException} will be thrown. 349 * RetriesExhaustedWithDetailsException contains lists of failed {@link Delete}s and corresponding 350 * remote exceptions. 351 * @param deletes List of things to delete. The input list gets modified by this method. All 352 * successfully applied {@link Delete}s in the list are removed (in particular it 353 * gets re-ordered, so the order in which the elements are inserted in the list 354 * gives no guarantee as to the order in which the {@link Delete}s are executed). 355 * @throws IOException if a remote or network exception occurs. In that case the {@code deletes} 356 * argument will contain the {@link Delete} instances that have not be 357 * successfully applied. 358 * @since 0.20.1 359 * @apiNote In 3.0.0 version, the input list {@code deletes} will no longer be modified. Also, 360 * {@link #put(List)} runs pre-flight validations on the input list on client. Currently 361 * {@link #delete(List)} doesn't run validations on the client, there is no need 362 * currently, but this may change in the future. An {@link IllegalArgumentException} will 363 * be thrown in this case. 364 */ 365 default void delete(List<Delete> deletes) throws IOException { 366 throw new NotImplementedException("Add an implementation!"); 367 } 368 369 /** 370 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 371 * adds the delete. If the passed value is null, the check is for the lack of column (ie: 372 * non-existance) 373 * @param row to check 374 * @param family column family to check 375 * @param qualifier column qualifier to check 376 * @param value the expected value 377 * @param delete data to delete if check succeeds 378 * @throws IOException e 379 * @return true if the new delete was executed, false otherwise 380 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 381 */ 382 @Deprecated 383 default boolean checkAndDelete(byte[] row, byte[] family, byte[] qualifier, byte[] value, 384 Delete delete) throws IOException { 385 return checkAndDelete(row, family, qualifier, CompareOperator.EQUAL, value, delete); 386 } 387 388 /** 389 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 390 * adds the delete. If the passed value is null, the check is for the lack of column (ie: 391 * non-existence) The expected value argument of this call is on the left and the current value of 392 * the cell is on the right side of the comparison operator. Ie. eg. GREATER operator means 393 * expected value > existing <=> add the delete. 394 * @param row to check 395 * @param family column family to check 396 * @param qualifier column qualifier to check 397 * @param compareOp comparison operator to use 398 * @param value the expected value 399 * @param delete data to delete if check succeeds 400 * @throws IOException e 401 * @return true if the new delete was executed, false otherwise 402 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 403 */ 404 @Deprecated 405 default boolean checkAndDelete(byte[] row, byte[] family, byte[] qualifier, 406 CompareFilter.CompareOp compareOp, byte[] value, Delete delete) throws IOException { 407 RowMutations mutations = new RowMutations(delete.getRow(), 1); 408 mutations.add(delete); 409 410 return checkAndMutate(row, family, qualifier, compareOp, value, mutations); 411 } 412 413 /** 414 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 415 * adds the delete. If the passed value is null, the check is for the lack of column (ie: 416 * non-existence) The expected value argument of this call is on the left and the current value of 417 * the cell is on the right side of the comparison operator. Ie. eg. GREATER operator means 418 * expected value > existing <=> add the delete. 419 * @param row to check 420 * @param family column family to check 421 * @param qualifier column qualifier to check 422 * @param op comparison operator to use 423 * @param value the expected value 424 * @param delete data to delete if check succeeds 425 * @throws IOException e 426 * @return true if the new delete was executed, false otherwise 427 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 428 */ 429 @Deprecated 430 default boolean checkAndDelete(byte[] row, byte[] family, byte[] qualifier, CompareOperator op, 431 byte[] value, Delete delete) throws IOException { 432 RowMutations mutations = new RowMutations(delete.getRow(), 1); 433 mutations.add(delete); 434 435 return checkAndMutate(row, family, qualifier, op, value, mutations); 436 } 437 438 /** 439 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 440 * adds the Put/Delete/RowMutations. 441 * <p> 442 * Use the returned {@link CheckAndMutateBuilder} to construct your request and then execute it. 443 * This is a fluent style API, the code is like: 444 * 445 * <pre> 446 * <code> 447 * table.checkAndMutate(row, family).qualifier(qualifier).ifNotExists().thenPut(put); 448 * </code> 449 * </pre> 450 * 451 * @deprecated Since 2.4.0, will be removed in 4.0.0. For internal test use only, do not use it 452 * any more. 453 */ 454 @Deprecated 455 default CheckAndMutateBuilder checkAndMutate(byte[] row, byte[] family) { 456 throw new NotImplementedException("Add an implementation!"); 457 } 458 459 /** 460 * A helper class for sending checkAndMutate request. 461 * @deprecated Since 2.4.0, will be removed in 4.0.0. For internal test use only, do not use it 462 * any more. 463 */ 464 @Deprecated 465 interface CheckAndMutateBuilder { 466 467 /** 468 * @param qualifier column qualifier to check. 469 */ 470 CheckAndMutateBuilder qualifier(byte[] qualifier); 471 472 /** 473 * @param timeRange timeRange to check 474 */ 475 CheckAndMutateBuilder timeRange(TimeRange timeRange); 476 477 /** 478 * Check for lack of column. 479 */ 480 CheckAndMutateBuilder ifNotExists(); 481 482 /** 483 * Check for equality. 484 * @param value the expected value 485 */ 486 default CheckAndMutateBuilder ifEquals(byte[] value) { 487 return ifMatches(CompareOperator.EQUAL, value); 488 } 489 490 /** 491 * @param compareOp comparison operator to use 492 * @param value the expected value 493 */ 494 CheckAndMutateBuilder ifMatches(CompareOperator compareOp, byte[] value); 495 496 /** 497 * @param put data to put if check succeeds 498 * @return {@code true} if the new put was executed, {@code false} otherwise. 499 */ 500 boolean thenPut(Put put) throws IOException; 501 502 /** 503 * @param delete data to delete if check succeeds 504 * @return {@code true} if the new delete was executed, {@code false} otherwise. 505 */ 506 boolean thenDelete(Delete delete) throws IOException; 507 508 /** 509 * @param mutation mutations to perform if check succeeds 510 * @return true if the new mutation was executed, false otherwise. 511 */ 512 boolean thenMutate(RowMutations mutation) throws IOException; 513 } 514 515 /** 516 * Atomically checks if a row matches the specified filter. If it does, it adds the 517 * Put/Delete/RowMutations. 518 * <p> 519 * Use the returned {@link CheckAndMutateWithFilterBuilder} to construct your request and then 520 * execute it. This is a fluent style API, the code is like: 521 * 522 * <pre> 523 * <code> 524 * table.checkAndMutate(row, filter).thenPut(put); 525 * </code> 526 * </pre> 527 * 528 * @deprecated Since 2.4.0, will be removed in 4.0.0. For internal test use only, do not use it 529 * any more. 530 */ 531 @Deprecated 532 default CheckAndMutateWithFilterBuilder checkAndMutate(byte[] row, Filter filter) { 533 throw new NotImplementedException("Add an implementation!"); 534 } 535 536 /** 537 * A helper class for sending checkAndMutate request with a filter. 538 * @deprecated Since 2.4.0, will be removed in 4.0.0. For internal test use only, do not use it 539 * any more. 540 */ 541 @Deprecated 542 interface CheckAndMutateWithFilterBuilder { 543 544 /** 545 * @param timeRange timeRange to check 546 */ 547 CheckAndMutateWithFilterBuilder timeRange(TimeRange timeRange); 548 549 /** 550 * @param put data to put if check succeeds 551 * @return {@code true} if the new put was executed, {@code false} otherwise. 552 */ 553 boolean thenPut(Put put) throws IOException; 554 555 /** 556 * @param delete data to delete if check succeeds 557 * @return {@code true} if the new delete was executed, {@code false} otherwise. 558 */ 559 boolean thenDelete(Delete delete) throws IOException; 560 561 /** 562 * @param mutation mutations to perform if check succeeds 563 * @return true if the new mutation was executed, false otherwise. 564 */ 565 boolean thenMutate(RowMutations mutation) throws IOException; 566 } 567 568 /** 569 * checkAndMutate that atomically checks if a row matches the specified condition. If it does, it 570 * performs the specified action. 571 * @param checkAndMutate The CheckAndMutate object. 572 * @return A CheckAndMutateResult object that represents the result for the CheckAndMutate. 573 * @throws IOException if a remote or network exception occurs. 574 */ 575 default CheckAndMutateResult checkAndMutate(CheckAndMutate checkAndMutate) throws IOException { 576 return checkAndMutate(Collections.singletonList(checkAndMutate)).get(0); 577 } 578 579 /** 580 * Batch version of checkAndMutate. The specified CheckAndMutates are batched only in the sense 581 * that they are sent to a RS in one RPC, but each CheckAndMutate operation is still executed 582 * atomically (and thus, each may fail independently of others). 583 * @param checkAndMutates The list of CheckAndMutate. 584 * @return A list of CheckAndMutateResult objects that represents the result for each 585 * CheckAndMutate. 586 * @throws IOException if a remote or network exception occurs. 587 */ 588 default List<CheckAndMutateResult> checkAndMutate(List<CheckAndMutate> checkAndMutates) 589 throws IOException { 590 throw new NotImplementedException("Add an implementation!"); 591 } 592 593 /** 594 * Performs multiple mutations atomically on a single row. Currently {@link Put} and 595 * {@link Delete} are supported. 596 * @param rm object that specifies the set of mutations to perform atomically 597 * @return results of Increment/Append operations 598 * @throws IOException if a remote or network exception occurs. 599 */ 600 default Result mutateRow(final RowMutations rm) throws IOException { 601 throw new NotImplementedException("Add an implementation!"); 602 } 603 604 /** 605 * Appends values to one or more columns within a single row. 606 * <p> 607 * This operation guaranteed atomicity to readers. Appends are done under a single row lock, so 608 * write operations to a row are synchronized, and readers are guaranteed to see this operation 609 * fully completed. 610 * @param append object that specifies the columns and values to be appended 611 * @throws IOException e 612 * @return values of columns after the append operation (maybe null) 613 */ 614 default Result append(final Append append) throws IOException { 615 throw new NotImplementedException("Add an implementation!"); 616 } 617 618 /** 619 * Increments one or more columns within a single row. 620 * <p> 621 * This operation ensures atomicity to readers. Increments are done under a single row lock, so 622 * write operations to a row are synchronized, and readers are guaranteed to see this operation 623 * fully completed. 624 * @param increment object that specifies the columns and amounts to be used for the increment 625 * operations 626 * @throws IOException e 627 * @return values of columns after the increment 628 */ 629 default Result increment(final Increment increment) throws IOException { 630 throw new NotImplementedException("Add an implementation!"); 631 } 632 633 /** 634 * See {@link #incrementColumnValue(byte[], byte[], byte[], long, Durability)} 635 * <p> 636 * The {@link Durability} is defaulted to {@link Durability#SYNC_WAL}. 637 * @param row The row that contains the cell to increment. 638 * @param family The column family of the cell to increment. 639 * @param qualifier The column qualifier of the cell to increment. 640 * @param amount The amount to increment the cell with (or decrement, if the amount is 641 * negative). 642 * @return The new value, post increment. 643 * @throws IOException if a remote or network exception occurs. 644 */ 645 default long incrementColumnValue(byte[] row, byte[] family, byte[] qualifier, long amount) 646 throws IOException { 647 Increment increment = new Increment(row).addColumn(family, qualifier, amount); 648 Cell cell = increment(increment).getColumnLatestCell(family, qualifier); 649 return Bytes.toLong(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()); 650 } 651 652 /** 653 * Atomically increments a column value. If the column value already exists and is not a 654 * big-endian long, this could throw an exception. If the column value does not yet exist it is 655 * initialized to <code>amount</code> and written to the specified column. 656 * <p> 657 * Setting durability to {@link Durability#SKIP_WAL} means that in a fail scenario you will lose 658 * any increments that have not been flushed. 659 * @param row The row that contains the cell to increment. 660 * @param family The column family of the cell to increment. 661 * @param qualifier The column qualifier of the cell to increment. 662 * @param amount The amount to increment the cell with (or decrement, if the amount is 663 * negative). 664 * @param durability The persistence guarantee for this increment. 665 * @return The new value, post increment. 666 * @throws IOException if a remote or network exception occurs. 667 */ 668 default long incrementColumnValue(byte[] row, byte[] family, byte[] qualifier, long amount, 669 Durability durability) throws IOException { 670 Increment increment = 671 new Increment(row).addColumn(family, qualifier, amount).setDurability(durability); 672 Cell cell = increment(increment).getColumnLatestCell(family, qualifier); 673 return Bytes.toLong(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()); 674 } 675 676 /** 677 * Releases any resources held or pending changes in internal buffers. 678 * @throws IOException if a remote or network exception occurs. 679 */ 680 @Override 681 default void close() throws IOException { 682 throw new NotImplementedException("Add an implementation!"); 683 } 684 685 /** 686 * Creates and returns a {@link com.google.protobuf.RpcChannel} instance connected to the table 687 * region containing the specified row. The row given does not actually have to exist. Whichever 688 * region would contain the row based on start and end keys will be used. Note that the 689 * {@code row} parameter is also not passed to the coprocessor handler registered for this 690 * protocol, unless the {@code row} is separately passed as an argument in the service request. 691 * The parameter here is only used to locate the region used to handle the call. 692 * <p> 693 * The obtained {@link com.google.protobuf.RpcChannel} instance can be used to access a published 694 * coprocessor {@link com.google.protobuf.Service} using standard protobuf service invocations: 695 * </p> 696 * <div style="background-color: #cccccc; padding: 2px"> <blockquote> 697 * 698 * <pre> 699 * CoprocessorRpcChannel channel = myTable.coprocessorService(rowkey); 700 * MyService.BlockingInterface service = MyService.newBlockingStub(channel); 701 * MyCallRequest request = MyCallRequest.newBuilder() 702 * ... 703 * .build(); 704 * MyCallResponse response = service.myCall(null, request); 705 * </pre> 706 * 707 * </blockquote></div> 708 * @param row The row key used to identify the remote region location 709 * @return A CoprocessorRpcChannel instance 710 */ 711 default CoprocessorRpcChannel coprocessorService(byte[] row) { 712 throw new NotImplementedException("Add an implementation!"); 713 } 714 715 /** 716 * Creates an instance of the given {@link com.google.protobuf.Service} subclass for each table 717 * region spanning the range from the {@code startKey} row to {@code endKey} row (inclusive), and 718 * invokes the passed {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method 719 * with each {@link com.google.protobuf.Service} instance. 720 * @param service the protocol buffer {@code Service} implementation to call 721 * @param startKey start region selection with region containing this row. If {@code null}, the 722 * selection will start with the first table region. 723 * @param endKey select regions up to and including the region containing this row. If 724 * {@code null}, selection will continue through the last table region. 725 * @param callable this instance's 726 * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method will 727 * be invoked once per table region, using the {@link com.google.protobuf.Service} 728 * instance connected to that region. 729 * @param <T> the {@link com.google.protobuf.Service} subclass to connect to 730 * @param <R> Return type for the {@code callable} parameter's 731 * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method 732 * @return a map of result values keyed by region name 733 */ 734 default <T extends Service, R> Map<byte[], R> coprocessorService(final Class<T> service, 735 byte[] startKey, byte[] endKey, final Batch.Call<T, R> callable) 736 throws ServiceException, Throwable { 737 throw new NotImplementedException("Add an implementation!"); 738 } 739 740 /** 741 * Creates an instance of the given {@link com.google.protobuf.Service} subclass for each table 742 * region spanning the range from the {@code startKey} row to {@code endKey} row (inclusive), and 743 * invokes the passed {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method 744 * with each {@link Service} instance. 745 * <p> 746 * The given 747 * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Callback#update(byte[],byte[],Object)} 748 * method will be called with the return value from each region's 749 * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} invocation. 750 * </p> 751 * @param service the protocol buffer {@code Service} implementation to call 752 * @param startKey start region selection with region containing this row. If {@code null}, the 753 * selection will start with the first table region. 754 * @param endKey select regions up to and including the region containing this row. If 755 * {@code null}, selection will continue through the last table region. 756 * @param callable this instance's 757 * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method will 758 * be invoked once per table region, using the {@link Service} instance connected 759 * to that region. 760 * @param <T> the {@link Service} subclass to connect to 761 * @param <R> Return type for the {@code callable} parameter's 762 * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method 763 */ 764 default <T extends Service, R> void coprocessorService(final Class<T> service, byte[] startKey, 765 byte[] endKey, final Batch.Call<T, R> callable, final Batch.Callback<R> callback) 766 throws ServiceException, Throwable { 767 throw new NotImplementedException("Add an implementation!"); 768 } 769 770 /** 771 * Creates an instance of the given {@link com.google.protobuf.Service} subclass for each table 772 * region spanning the range from the {@code startKey} row to {@code endKey} row (inclusive), all 773 * the invocations to the same region server will be batched into one call. The coprocessor 774 * service is invoked according to the service instance, method name and parameters. the 775 * descriptor for the protobuf service method to call. the method call parameters start region 776 * selection with region containing this row. If {@code null}, the selection will start with the 777 * first table region. select regions up to and including the region containing this row. If 778 * {@code null}, selection will continue through the last table region. the proto type of the 779 * response of the method in Service. 780 * @param <R> the response type for the coprocessor Service method 781 * @return a map of result values keyed by region name 782 */ 783 default <R extends Message> Map<byte[], R> batchCoprocessorService( 784 Descriptors.MethodDescriptor methodDescriptor, Message request, byte[] startKey, byte[] endKey, 785 R responsePrototype) throws ServiceException, Throwable { 786 throw new NotImplementedException("Add an implementation!"); 787 } 788 789 /** 790 * Creates an instance of the given {@link com.google.protobuf.Service} subclass for each table 791 * region spanning the range from the {@code startKey} row to {@code endKey} row (inclusive), all 792 * the invocations to the same region server will be batched into one call. The coprocessor 793 * service is invoked according to the service instance, method name and parameters. 794 * <p> 795 * The given 796 * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Callback#update(byte[],byte[],Object)} 797 * method will be called with the return value from each region's invocation. 798 * </p> 799 * @param methodDescriptor the descriptor for the protobuf service method to call. 800 * @param request the method call parameters 801 * @param startKey start region selection with region containing this row. If 802 * {@code null}, the selection will start with the first table region. 803 * @param endKey select regions up to and including the region containing this row. If 804 * {@code null}, selection will continue through the last table region. 805 * @param responsePrototype the proto type of the response of the method in Service. 806 * @param callback callback to invoke with the response for each region 807 * @param <R> the response type for the coprocessor Service method 808 */ 809 default <R extends Message> void batchCoprocessorService( 810 Descriptors.MethodDescriptor methodDescriptor, Message request, byte[] startKey, byte[] endKey, 811 R responsePrototype, Batch.Callback<R> callback) throws ServiceException, Throwable { 812 throw new NotImplementedException("Add an implementation!"); 813 } 814 815 /** 816 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 817 * performs the row mutations. If the passed value is null, the check is for the lack of column 818 * (ie: non-existence) The expected value argument of this call is on the left and the current 819 * value of the cell is on the right side of the comparison operator. Ie. eg. GREATER operator 820 * means expected value > existing <=> perform row mutations. 821 * @param row to check 822 * @param family column family to check 823 * @param qualifier column qualifier to check 824 * @param compareOp the comparison operator 825 * @param value the expected value 826 * @param mutation mutations to perform if check succeeds 827 * @throws IOException e 828 * @return true if the new put was executed, false otherwise 829 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 830 */ 831 @Deprecated 832 default boolean checkAndMutate(byte[] row, byte[] family, byte[] qualifier, 833 CompareFilter.CompareOp compareOp, byte[] value, RowMutations mutation) throws IOException { 834 throw new NotImplementedException("Add an implementation!"); 835 } 836 837 /** 838 * Atomically checks if a row/family/qualifier value matches the expected value. If it does, it 839 * performs the row mutations. If the passed value is null, the check is for the lack of column 840 * (ie: non-existence) The expected value argument of this call is on the left and the current 841 * value of the cell is on the right side of the comparison operator. Ie. eg. GREATER operator 842 * means expected value > existing <=> perform row mutations. 843 * @param row to check 844 * @param family column family to check 845 * @param qualifier column qualifier to check 846 * @param op the comparison operator 847 * @param value the expected value 848 * @param mutation mutations to perform if check succeeds 849 * @throws IOException e 850 * @return true if the new put was executed, false otherwise 851 * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #checkAndMutate(byte[], byte[])} 852 */ 853 @Deprecated 854 default boolean checkAndMutate(byte[] row, byte[] family, byte[] qualifier, CompareOperator op, 855 byte[] value, RowMutations mutation) throws IOException { 856 throw new NotImplementedException("Add an implementation!"); 857 } 858 859 /** 860 * Get timeout of each rpc request in this Table instance. It will be overridden by a more 861 * specific rpc timeout config such as readRpcTimeout or writeRpcTimeout. 862 * @see #getReadRpcTimeout(TimeUnit) 863 * @see #getWriteRpcTimeout(TimeUnit) 864 * @param unit the unit of time the timeout to be represented in 865 * @return rpc timeout in the specified time unit 866 */ 867 default long getRpcTimeout(TimeUnit unit) { 868 throw new NotImplementedException("Add an implementation!"); 869 } 870 871 /** 872 * Get timeout (millisecond) of each rpc request in this Table instance. 873 * @return Currently configured read timeout 874 * @deprecated use {@link #getReadRpcTimeout(TimeUnit)} or {@link #getWriteRpcTimeout(TimeUnit)} 875 * instead 876 */ 877 @Deprecated 878 default int getRpcTimeout() { 879 return (int) getRpcTimeout(TimeUnit.MILLISECONDS); 880 } 881 882 /** 883 * Set timeout (millisecond) of each rpc request in operations of this Table instance, will 884 * override the value of hbase.rpc.timeout in configuration. If a rpc request waiting too long, it 885 * will stop waiting and send a new request to retry until retries exhausted or operation timeout 886 * reached. 887 * <p> 888 * NOTE: This will set both the read and write timeout settings to the provided value. 889 * @param rpcTimeout the timeout of each rpc request in millisecond. 890 * @deprecated Use setReadRpcTimeout or setWriteRpcTimeout instead 891 */ 892 @Deprecated 893 default void setRpcTimeout(int rpcTimeout) { 894 setReadRpcTimeout(rpcTimeout); 895 setWriteRpcTimeout(rpcTimeout); 896 } 897 898 /** 899 * Get timeout of each rpc read request in this Table instance. 900 * @param unit the unit of time the timeout to be represented in 901 * @return read rpc timeout in the specified time unit 902 */ 903 default long getReadRpcTimeout(TimeUnit unit) { 904 throw new NotImplementedException("Add an implementation!"); 905 } 906 907 /** 908 * Get timeout (millisecond) of each rpc read request in this Table instance. 909 * @deprecated since 2.0 and will be removed in 3.0 version use 910 * {@link #getReadRpcTimeout(TimeUnit)} instead 911 */ 912 @Deprecated 913 default int getReadRpcTimeout() { 914 return (int) getReadRpcTimeout(TimeUnit.MILLISECONDS); 915 } 916 917 /** 918 * Set timeout (millisecond) of each rpc read request in operations of this Table instance, will 919 * override the value of hbase.rpc.read.timeout in configuration. If a rpc read request waiting 920 * too long, it will stop waiting and send a new request to retry until retries exhausted or 921 * operation timeout reached. 922 * @param readRpcTimeout the timeout for read rpc request in milliseconds 923 * @deprecated since 2.0.0, use {@link TableBuilder#setReadRpcTimeout} instead 924 */ 925 @Deprecated 926 default void setReadRpcTimeout(int readRpcTimeout) { 927 throw new NotImplementedException("Add an implementation!"); 928 } 929 930 /** 931 * Get timeout of each rpc write request in this Table instance. 932 * @param unit the unit of time the timeout to be represented in 933 * @return write rpc timeout in the specified time unit 934 */ 935 default long getWriteRpcTimeout(TimeUnit unit) { 936 throw new NotImplementedException("Add an implementation!"); 937 } 938 939 /** 940 * Get timeout (millisecond) of each rpc write request in this Table instance. 941 * @deprecated since 2.0 and will be removed in 3.0 version use 942 * {@link #getWriteRpcTimeout(TimeUnit)} instead 943 */ 944 @Deprecated 945 default int getWriteRpcTimeout() { 946 return (int) getWriteRpcTimeout(TimeUnit.MILLISECONDS); 947 } 948 949 /** 950 * Set timeout (millisecond) of each rpc write request in operations of this Table instance, will 951 * override the value of hbase.rpc.write.timeout in configuration. If a rpc write request waiting 952 * too long, it will stop waiting and send a new request to retry until retries exhausted or 953 * operation timeout reached. 954 * @param writeRpcTimeout the timeout for write rpc request in milliseconds 955 * @deprecated since 2.0.0, use {@link TableBuilder#setWriteRpcTimeout} instead 956 */ 957 @Deprecated 958 default void setWriteRpcTimeout(int writeRpcTimeout) { 959 throw new NotImplementedException("Add an implementation!"); 960 } 961 962 /** 963 * Get timeout of each operation in Table instance. 964 * @param unit the unit of time the timeout to be represented in 965 * @return operation rpc timeout in the specified time unit 966 */ 967 default long getOperationTimeout(TimeUnit unit) { 968 throw new NotImplementedException("Add an implementation!"); 969 } 970 971 /** 972 * Get timeout (millisecond) of each operation for in Table instance. 973 * @deprecated since 2.0 and will be removed in 3.0 version use 974 * {@link #getOperationTimeout(TimeUnit)} instead 975 */ 976 @Deprecated 977 default int getOperationTimeout() { 978 return (int) getOperationTimeout(TimeUnit.MILLISECONDS); 979 } 980 981 /** 982 * Set timeout (millisecond) of each operation in this Table instance, will override the value of 983 * hbase.client.operation.timeout in configuration. Operation timeout is a top-level restriction 984 * that makes sure a blocking method will not be blocked more than this. In each operation, if rpc 985 * request fails because of timeout or other reason, it will retry until success or throw a 986 * RetriesExhaustedException. But if the total time being blocking reach the operation timeout 987 * before retries exhausted, it will break early and throw SocketTimeoutException. 988 * @param operationTimeout the total timeout of each operation in millisecond. 989 * @deprecated since 2.0.0, use {@link TableBuilder#setOperationTimeout} instead 990 */ 991 @Deprecated 992 default void setOperationTimeout(int operationTimeout) { 993 throw new NotImplementedException("Add an implementation!"); 994 } 995}