Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.datastore.ramcloud; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 2 | |
| 3 | import java.io.File; |
Yuta HIGUCHI | d47eac3 | 2014-04-07 13:44:47 -0700 | [diff] [blame] | 4 | import java.nio.ByteBuffer; |
| 5 | import java.nio.ByteOrder; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 6 | import java.util.ArrayList; |
| 7 | import java.util.Arrays; |
| 8 | import java.util.Collection; |
| 9 | import java.util.Iterator; |
| 10 | import java.util.List; |
| 11 | import java.util.concurrent.ConcurrentHashMap; |
| 12 | |
Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 13 | import net.onrc.onos.core.datastore.IKVClient; |
| 14 | import net.onrc.onos.core.datastore.IKVTable; |
Jonathan Hart | a99ec67 | 2014-04-03 11:30:34 -0700 | [diff] [blame] | 15 | import net.onrc.onos.core.datastore.IKVTable.IKVEntry; |
Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 16 | import net.onrc.onos.core.datastore.IKVTableID; |
| 17 | import net.onrc.onos.core.datastore.IMultiEntryOperation; |
Jonathan Hart | a99ec67 | 2014-04-03 11:30:34 -0700 | [diff] [blame] | 18 | import net.onrc.onos.core.datastore.IMultiEntryOperation.STATUS; |
Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 19 | import net.onrc.onos.core.datastore.ObjectDoesntExistException; |
| 20 | import net.onrc.onos.core.datastore.ObjectExistsException; |
| 21 | import net.onrc.onos.core.datastore.WrongVersionException; |
Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 22 | import net.onrc.onos.core.datastore.internal.IModifiableMultiEntryOperation; |
| 23 | import net.onrc.onos.core.datastore.ramcloud.RCTable.Entry; |
| 24 | import net.onrc.onos.core.datastore.utils.ByteArrayUtil; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 25 | |
| 26 | import org.apache.commons.configuration.Configuration; |
| 27 | import org.apache.commons.configuration.ConfigurationException; |
| 28 | import org.apache.commons.configuration.PropertiesConfiguration; |
| 29 | import org.slf4j.Logger; |
| 30 | import org.slf4j.LoggerFactory; |
| 31 | |
| 32 | import edu.stanford.ramcloud.JRamCloud; |
| 33 | import edu.stanford.ramcloud.JRamCloud.MultiReadObject; |
| 34 | import edu.stanford.ramcloud.JRamCloud.MultiWriteObject; |
| 35 | import edu.stanford.ramcloud.JRamCloud.MultiWriteRspObject; |
| 36 | import edu.stanford.ramcloud.JRamCloud.RejectRules; |
| 37 | import edu.stanford.ramcloud.JRamCloud.RejectRulesException; |
| 38 | import edu.stanford.ramcloud.JRamCloud.TableEnumerator2; |
| 39 | |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 40 | /** |
| 41 | * RAMCloud implementation of datastore IKVClient. |
| 42 | */ |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 43 | public class RCClient implements IKVClient { |
Yuta HIGUCHI | d150ece | 2014-04-29 16:25:36 -0700 | [diff] [blame] | 44 | |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 45 | private static final Logger log = LoggerFactory.getLogger(RCClient.class); |
| 46 | |
Yuta HIGUCHI | d150ece | 2014-04-29 16:25:36 -0700 | [diff] [blame] | 47 | private static final String DEFAULT_LOCATOR = "zk:localhost:2181"; |
| 48 | private static final String DEFAULT_CLUSTERNAME = "ONOS-RC"; |
| 49 | |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 50 | private static final String DB_CONFIG_FILE = "conf/ramcloud.conf"; |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 51 | private static final Configuration CONFIG = getConfiguration(); |
| 52 | private static final String CLUSTER_NAME = getClusterName(CONFIG); |
| 53 | private static final String LOCATOR = getLocator(CONFIG); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 54 | |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 55 | // FIXME These constants should be defined by JRamCloud |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 56 | /** |
| 57 | * Constant defined in RAMCloud's Status.h. |
| 58 | */ |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 59 | public static final int STATUS_OK = 0; |
| 60 | |
Yuta HIGUCHI | e316d5c | 2014-04-19 13:37:38 -0700 | [diff] [blame] | 61 | /** |
| 62 | * Maximum number of Multi-Read operations which can be executed in |
| 63 | * one RPC call. |
| 64 | * |
| 65 | * There are multiple factors which determines this limit. |
| 66 | * - RAMCloud RPC size limit of 8MB. |
| 67 | * - JNI implementation store the RPC result on stack. |
| 68 | * (Increasing the stack-size limit will help relaxing this limit.) |
| 69 | */ |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 70 | public static final int MAX_MULTI_READS = Math.max(1, Integer |
Yuta HIGUCHI | 0fe749a | 2014-05-27 09:35:16 -0700 | [diff] [blame] | 71 | .parseInt(System.getProperty("ramcloud.max_multi_reads", "400"))); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 72 | |
Yuta HIGUCHI | e316d5c | 2014-04-19 13:37:38 -0700 | [diff] [blame] | 73 | /** |
| 74 | * Maximum number of Multi-Write operations which can be executed in |
| 75 | * one RPC call. |
| 76 | * |
| 77 | * There are multiple factors which determines this limit. |
| 78 | * - RAMCloud RPC size limit of 8MB. |
| 79 | * - JNI implementation store the RPC result on stack. |
| 80 | * (Increasing the stack-size limit will help relaxing this limit.) |
| 81 | */ |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 82 | public static final int MAX_MULTI_WRITES = Math.max(1, Integer |
Yuta HIGUCHI | 0fe749a | 2014-05-27 09:35:16 -0700 | [diff] [blame] | 83 | .parseInt(System.getProperty("ramcloud.max_multi_writes", "800"))); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 84 | |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 85 | private static final ThreadLocal<JRamCloud> TLS_RC_CLIENT = new ThreadLocal<JRamCloud>() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 86 | @Override |
| 87 | protected JRamCloud initialValue() { |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 88 | return new JRamCloud(LOCATOR, CLUSTER_NAME); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 89 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 90 | }; |
| 91 | |
| 92 | /** |
| 93 | * @return JRamCloud instance intended to be used only within the |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 94 | * SameThread. |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 95 | * @note Do not store the returned instance in a member variable, etc. which |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 96 | * may be accessed later by another thread. |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 97 | */ |
| 98 | static JRamCloud getJRamCloudClient() { |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 99 | return TLS_RC_CLIENT.get(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | // Currently RCClient is state-less |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 103 | private static final RCClient THE_INSTANCE = new RCClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 104 | |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 105 | /** |
| 106 | * Default constructor. |
| 107 | */ |
| 108 | protected RCClient() { |
| 109 | log.info("locator: {}, cluster name: {}", LOCATOR, CLUSTER_NAME); |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Gets a DataStoreClient implemented on RAMCloud. |
| 114 | * |
| 115 | * @return RCClient |
| 116 | */ |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 117 | public static RCClient getClient() { |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 118 | return THE_INSTANCE; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 119 | } |
| 120 | |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 121 | /** |
| 122 | * Gets the {@link Configuration} instance. |
| 123 | * |
| 124 | * @return Configuration |
| 125 | */ |
| 126 | private static final Configuration getConfiguration() { |
| 127 | final File configFile = new File( |
| 128 | System.getProperty("ramcloud.config.path", |
| 129 | DB_CONFIG_FILE)); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 130 | return getConfiguration(configFile); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 131 | } |
| 132 | |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 133 | /** |
| 134 | * Gets the {@link Configuration} instance from properties file. |
| 135 | * |
| 136 | * @param configFile properties file |
| 137 | * @return Configuration |
| 138 | */ |
| 139 | private static final Configuration getConfiguration(final File configFile) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 140 | if (configFile == null) { |
| 141 | throw new IllegalArgumentException("Need to specify a configuration file or storage directory"); |
| 142 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 143 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 144 | if (!configFile.isFile()) { |
| 145 | throw new IllegalArgumentException("Location of configuration must be a file"); |
| 146 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 147 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 148 | try { |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 149 | PropertiesConfiguration conf = new PropertiesConfiguration(); |
| 150 | // stop parsing commas in property value |
| 151 | conf.setDelimiterParsingDisabled(true); |
| 152 | conf.load(configFile); |
| 153 | return conf; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 154 | } catch (ConfigurationException e) { |
| 155 | throw new IllegalArgumentException("Could not load configuration at: " + configFile, e); |
| 156 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 159 | /** |
| 160 | * Gets the RAMCloud external storage locator from configuration file. |
| 161 | * |
| 162 | * @param configuration input |
| 163 | * @return RAMCloud external storage locator string |
| 164 | */ |
| 165 | private static String getLocator(final Configuration configuration) { |
Yuta HIGUCHI | d150ece | 2014-04-29 16:25:36 -0700 | [diff] [blame] | 166 | |
| 167 | final String locator = configuration.getString("ramcloud.locator"); |
| 168 | if (locator != null) { |
| 169 | return locator; |
| 170 | } |
| 171 | |
| 172 | // TODO Stop reading obsolete coordinatorIp, etc. once we're ready. |
| 173 | final String coordinatorIp = configuration.getString("ramcloud.coordinatorIp"); |
| 174 | if (coordinatorIp == null) { |
| 175 | return DEFAULT_LOCATOR; |
| 176 | } |
| 177 | |
| 178 | final String coordinatorPort = configuration.getString("ramcloud.coordinatorPort"); |
| 179 | if (coordinatorPort == null) { |
| 180 | return DEFAULT_LOCATOR; |
| 181 | } |
| 182 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 183 | final String coordinatorURL = coordinatorIp + "," + coordinatorPort; |
| 184 | return coordinatorURL; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 185 | } |
| 186 | |
Yuta HIGUCHI | d082b96 | 2014-06-02 11:42:22 -0700 | [diff] [blame] | 187 | /** |
| 188 | * Gets the RAMCloud clusterName from configuration file. |
| 189 | * |
| 190 | * @param configuration input |
| 191 | * @return RAMCloud clusterName |
| 192 | */ |
| 193 | private static String getClusterName(final Configuration configuration) { |
| 194 | return configuration.getString("ramcloud.clusterName", |
| 195 | DEFAULT_CLUSTERNAME); |
Yuta HIGUCHI | d150ece | 2014-04-29 16:25:36 -0700 | [diff] [blame] | 196 | } |
| 197 | |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 198 | @Override |
| 199 | public IMultiEntryOperation createOp(IKVTableID tableId, byte[] key, byte[] value) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 200 | return RCMultiEntryOperation.create(tableId, key, value); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | /** |
| 204 | * @param tableId RCTableID instance |
| 205 | */ |
| 206 | @Override |
| 207 | public long create(IKVTableID tableId, byte[] key, byte[] value) |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 208 | throws ObjectExistsException { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 209 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 210 | RCTableID rcTableId = (RCTableID) tableId; |
| 211 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 212 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 213 | RejectRules rules = new RejectRules(); |
| 214 | rules.rejectIfExists(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 215 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 216 | try { |
| 217 | return rcClient.write(rcTableId.getTableID(), key, value, rules); |
| 218 | } catch (JRamCloud.ObjectExistsException e) { |
| 219 | throw new ObjectExistsException(rcTableId, key, e); |
| 220 | } catch (JRamCloud.RejectRulesException e) { |
| 221 | log.error("Unexpected RejectRulesException", e); |
| 222 | return JRamCloud.VERSION_NONEXISTENT; |
| 223 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | @Override |
| 227 | public IMultiEntryOperation forceCreateOp(IKVTableID tableId, byte[] key, byte[] value) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 228 | return RCMultiEntryOperation.forceCreate(tableId, key, value); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | @Override |
| 232 | public long forceCreate(IKVTableID tableId, byte[] key, byte[] value) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 233 | RCTableID rcTableId = (RCTableID) tableId; |
| 234 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 235 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 236 | long updatedVersion = rcClient.write(rcTableId.getTableID(), key, value); |
| 237 | return updatedVersion; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | @Override |
| 241 | public IMultiEntryOperation readOp(IKVTableID tableId, byte[] key) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 242 | return RCMultiEntryOperation.read(tableId, key); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | @Override |
| 246 | public IKVEntry read(IKVTableID tableId, byte[] key) |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 247 | throws ObjectDoesntExistException { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 248 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 249 | RCTableID rcTableId = (RCTableID) tableId; |
| 250 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 251 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 252 | RejectRules rules = new RejectRules(); |
| 253 | rules.rejectIfDoesntExists(); |
| 254 | try { |
| 255 | JRamCloud.Object rcObj = rcClient.read(rcTableId.getTableID(), key, rules); |
| 256 | return new Entry(rcObj.key, rcObj.value, rcObj.version); |
| 257 | } catch (JRamCloud.ObjectDoesntExistException e) { |
| 258 | throw new ObjectDoesntExistException(rcTableId, key, e); |
| 259 | } catch (JRamCloud.RejectRulesException e) { |
| 260 | log.error("Unexpected RejectRulesException", e); |
| 261 | return null; |
| 262 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | @Override |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 266 | public IMultiEntryOperation updateOp(IKVTableID tableId, byte[] key, byte[] value, long version) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 267 | return RCMultiEntryOperation.update(tableId, key, value, version); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | @Override |
| 271 | public long update(IKVTableID tableId, byte[] key, byte[] value, |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 272 | long version) throws ObjectDoesntExistException, |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 273 | WrongVersionException { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 274 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 275 | RCTableID rcTableId = (RCTableID) tableId; |
| 276 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 277 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 278 | RejectRules rules = new RejectRules(); |
| 279 | rules.rejectIfDoesntExists(); |
| 280 | rules.rejectIfNeVersion(version); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 281 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 282 | try { |
| 283 | return rcClient.write(rcTableId.getTableID(), key, value, rules); |
| 284 | } catch (JRamCloud.ObjectDoesntExistException e) { |
| 285 | throw new ObjectDoesntExistException(rcTableId, key, e); |
| 286 | } catch (JRamCloud.WrongVersionException e) { |
| 287 | throw new WrongVersionException(rcTableId, key, version, e); |
| 288 | } catch (JRamCloud.RejectRulesException e) { |
| 289 | log.error("Unexpected RejectRulesException", e); |
| 290 | return JRamCloud.VERSION_NONEXISTENT; |
| 291 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | |
| 295 | @Override |
| 296 | public long update(IKVTableID tableId, byte[] key, byte[] value) |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 297 | throws ObjectDoesntExistException { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 298 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 299 | RCTableID rcTableId = (RCTableID) tableId; |
| 300 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 301 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 302 | RejectRules rules = new RejectRules(); |
| 303 | rules.rejectIfDoesntExists(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 304 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 305 | try { |
| 306 | return rcClient.write(rcTableId.getTableID(), key, value, rules); |
| 307 | } catch (JRamCloud.ObjectDoesntExistException e) { |
| 308 | throw new ObjectDoesntExistException(rcTableId, key, e); |
| 309 | } catch (JRamCloud.RejectRulesException e) { |
| 310 | log.error("Unexpected RejectRulesException", e); |
| 311 | return JRamCloud.VERSION_NONEXISTENT; |
| 312 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | @Override |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 316 | public IMultiEntryOperation deleteOp(IKVTableID tableId, byte[] key, byte[] value, long version) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 317 | return RCMultiEntryOperation.delete(tableId, key, value, version); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | @Override |
| 321 | public long delete(IKVTableID tableId, byte[] key, long version) |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 322 | throws ObjectDoesntExistException, WrongVersionException { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 323 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 324 | RCTableID rcTableId = (RCTableID) tableId; |
| 325 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 326 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 327 | RejectRules rules = new RejectRules(); |
| 328 | rules.rejectIfDoesntExists(); |
| 329 | rules.rejectIfNeVersion(version); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 330 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 331 | try { |
| 332 | return rcClient.remove(rcTableId.getTableID(), key, rules); |
| 333 | } catch (JRamCloud.ObjectDoesntExistException e) { |
| 334 | throw new ObjectDoesntExistException(rcTableId, key, e); |
| 335 | } catch (JRamCloud.WrongVersionException e) { |
| 336 | throw new WrongVersionException(rcTableId, key, version, e); |
| 337 | } catch (JRamCloud.RejectRulesException e) { |
| 338 | log.error("Unexpected RejectRulesException", e); |
| 339 | return JRamCloud.VERSION_NONEXISTENT; |
| 340 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | @Override |
| 344 | public IMultiEntryOperation forceDeleteOp(IKVTableID tableId, byte[] key) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 345 | return RCMultiEntryOperation.forceDelete(tableId, key); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | @Override |
| 349 | public long forceDelete(IKVTableID tableId, byte[] key) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 350 | RCTableID rcTableId = (RCTableID) tableId; |
| 351 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 352 | final long removedVersion = rcClient.remove(rcTableId.getTableID(), key); |
| 353 | return removedVersion; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public Iterable<IKVEntry> getAllEntries(IKVTableID tableId) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 358 | return new RCTableEntryIterable((RCTableID) tableId); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | static class RCTableEntryIterable implements Iterable<IKVEntry> { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 362 | private final RCTableID tableId; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 363 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 364 | public RCTableEntryIterable(final RCTableID tableId) { |
| 365 | this.tableId = tableId; |
| 366 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 367 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 368 | @Override |
| 369 | public Iterator<IKVEntry> iterator() { |
| 370 | return new RCClient.RCTableIterator(tableId); |
| 371 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | public static class RCTableIterator implements Iterator<IKVEntry> { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 375 | private final RCTableID tableId; |
| 376 | protected final TableEnumerator2 enumerator; |
| 377 | private JRamCloud.Object last; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 378 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 379 | public RCTableIterator(final RCTableID tableId) { |
| 380 | this.tableId = tableId; |
| 381 | this.enumerator = getJRamCloudClient().new TableEnumerator2(tableId.getTableID()); |
| 382 | this.last = null; |
| 383 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 384 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 385 | @Override |
| 386 | public boolean hasNext() { |
| 387 | return this.enumerator.hasNext(); |
| 388 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 389 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 390 | @Override |
| 391 | public RCTable.Entry next() { |
| 392 | last = enumerator.next(); |
| 393 | return new RCTable.Entry(last.key, last.value, last.version); |
| 394 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 395 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 396 | @Override |
| 397 | public void remove() { |
| 398 | if (last != null) { |
| 399 | getJRamCloudClient(); |
| 400 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 401 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 402 | RejectRules rules = new RejectRules(); |
| 403 | rules.rejectIfNeVersion(last.version); |
| 404 | try { |
| 405 | rcClient.remove(tableId.getTableID(), last.key, rules); |
| 406 | } catch (RejectRulesException e) { |
| 407 | log.trace("remove failed", e); |
| 408 | } |
| 409 | last = null; |
| 410 | } |
| 411 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | @Override |
| 415 | public boolean multiRead(final Collection<IMultiEntryOperation> ops) { |
| 416 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 417 | if (ops.size() <= MAX_MULTI_READS && ops instanceof ArrayList) { |
Ray Milkey | 7f1567c | 2014-04-08 13:53:32 -0700 | [diff] [blame] | 418 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 419 | final ArrayList<RCMultiEntryOperation> arrays = (ArrayList) ops; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 420 | return multiReadInternal(arrays); |
| 421 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 422 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 423 | boolean failExists = false; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 424 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 425 | ArrayList<RCMultiEntryOperation> req = new ArrayList<>(); |
| 426 | Iterator<IMultiEntryOperation> it = ops.iterator(); |
| 427 | while (it.hasNext()) { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 428 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 429 | req.add((RCMultiEntryOperation) it.next()); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 430 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 431 | if (req.size() >= MAX_MULTI_READS) { |
| 432 | // dispatch multiRead |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 433 | failExists |= multiReadInternal(req); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 434 | req.clear(); |
| 435 | } |
| 436 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 437 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 438 | if (!req.isEmpty()) { |
| 439 | // dispatch multiRead |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 440 | failExists |= multiReadInternal(req); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 441 | req.clear(); |
| 442 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 443 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 444 | return failExists; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | @Override |
| 448 | public boolean multiWrite(final List<IMultiEntryOperation> ops) { |
| 449 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 450 | if (ops.size() <= MAX_MULTI_WRITES && ops instanceof ArrayList) { |
Ray Milkey | 7f1567c | 2014-04-08 13:53:32 -0700 | [diff] [blame] | 451 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 452 | final ArrayList<RCMultiEntryOperation> arrays = (ArrayList) ops; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 453 | return multiWriteInternal(arrays); |
| 454 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 455 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 456 | boolean failExists = false; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 457 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 458 | ArrayList<RCMultiEntryOperation> req = new ArrayList<>(); |
| 459 | Iterator<IMultiEntryOperation> it = ops.iterator(); |
| 460 | while (it.hasNext()) { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 461 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 462 | req.add((RCMultiEntryOperation) it.next()); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 463 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 464 | if (req.size() >= MAX_MULTI_WRITES) { |
| 465 | // dispatch multiWrite |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 466 | failExists |= multiWriteInternal(req); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 467 | req.clear(); |
| 468 | } |
| 469 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 470 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 471 | if (!req.isEmpty()) { |
| 472 | // dispatch multiWrite |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 473 | failExists |= multiWriteInternal(req); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 474 | req.clear(); |
| 475 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 476 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 477 | return failExists; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | @Override |
| 481 | public boolean multiDelete(final Collection<IMultiEntryOperation> ops) { |
| 482 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 483 | // TODO implement multiRemove JNI, etc. if we need performance |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 484 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 485 | boolean failExists = false; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 486 | JRamCloud rcClient = getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 487 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 488 | for (IMultiEntryOperation iop : ops) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 489 | RCMultiEntryOperation op = (RCMultiEntryOperation) iop; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 490 | switch (op.getOperation()) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 491 | case DELETE: |
| 492 | RejectRules rules = new RejectRules(); |
| 493 | rules.rejectIfDoesntExists(); |
| 494 | rules.rejectIfNeVersion(op.getVersion()); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 495 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 496 | try { |
| 497 | final long removedVersion = rcClient.remove(op.tableId.getTableID(), op.entry.getKey(), rules); |
| 498 | op.entry.setVersion(removedVersion); |
| 499 | op.status = STATUS.SUCCESS; |
| 500 | } catch (JRamCloud.ObjectDoesntExistException | JRamCloud.WrongVersionException e) { |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 501 | log.error("Failed to remove key:" + |
| 502 | ByteArrayUtil.toHexStringBuilder(op.entry.getKey(), "") + |
| 503 | " from tableID:" + op.tableId, e); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 504 | failExists = true; |
| 505 | op.status = STATUS.FAILED; |
| 506 | } catch (JRamCloud.RejectRulesException e) { |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 507 | log.error("Failed to remove key:" + |
| 508 | ByteArrayUtil.toHexStringBuilder(op.entry.getKey(), "") + |
| 509 | " from tableID:" + op.tableId, e); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 510 | failExists = true; |
| 511 | op.status = STATUS.FAILED; |
| 512 | } |
| 513 | break; |
| 514 | |
| 515 | case FORCE_DELETE: |
| 516 | final long removedVersion = rcClient.remove(op.tableId.getTableID(), op.entry.getKey()); |
| 517 | if (removedVersion != VERSION_NONEXISTENT) { |
| 518 | op.entry.setVersion(removedVersion); |
| 519 | op.status = STATUS.SUCCESS; |
| 520 | } else { |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 521 | log.error("Failed to remove key:{} from tableID:{}", |
| 522 | ByteArrayUtil.toHexStringBuilder(op.entry.getKey(), ""), |
| 523 | op.tableId); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 524 | failExists = true; |
| 525 | op.status = STATUS.FAILED; |
| 526 | } |
| 527 | break; |
| 528 | |
| 529 | default: |
| 530 | log.error("Invalid operation {} specified on multiDelete", op.getOperation()); |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 531 | failExists = true; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 532 | op.status = STATUS.FAILED; |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 533 | break; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 534 | } |
| 535 | } |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 536 | return failExists; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 537 | } |
| 538 | |
| 539 | private boolean multiReadInternal(final ArrayList<RCMultiEntryOperation> ops) { |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 540 | boolean failExists = false; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 541 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 542 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 543 | final int reqs = ops.size(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 544 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 545 | MultiReadObject multiReadObjects = new MultiReadObject(reqs); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 546 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 547 | // setup multi-read operation objects |
| 548 | for (int i = 0; i < reqs; ++i) { |
| 549 | IMultiEntryOperation op = ops.get(i); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 550 | multiReadObjects.setObject(i, ((RCTableID) op.getTableId()).getTableID(), op.getKey()); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 551 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 552 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 553 | // execute |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 554 | JRamCloud.Object[] results = rcClient.multiRead(multiReadObjects.tableId, |
| 555 | multiReadObjects.key, multiReadObjects.keyLength, reqs); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 556 | if (results.length != reqs) { |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 557 | log.error("multiRead returned unexpected number of results. " + |
| 558 | "(requested:{}, returned:{})", reqs, results.length); |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 559 | failExists = true; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 560 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 561 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 562 | for (int i = 0; i < results.length; ++i) { |
| 563 | IModifiableMultiEntryOperation op = ops.get(i); |
| 564 | if (results[i] == null) { |
Yuta HIGUCHI | f148aac | 2014-05-05 14:59:06 -0700 | [diff] [blame] | 565 | // Logging as error gets too noisy when doing speculative read. |
| 566 | log.trace("MultiRead error {}, {}", op.getTableId(), op); |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 567 | failExists = true; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 568 | op.setStatus(STATUS.FAILED); |
| 569 | continue; |
| 570 | } |
| 571 | assert (Arrays.equals(results[i].key, op.getKey())); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 572 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 573 | op.setValue(results[i].value, results[i].version); |
| 574 | if (results[i].version == JRamCloud.VERSION_NONEXISTENT) { |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 575 | failExists = true; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 576 | op.setStatus(STATUS.FAILED); |
| 577 | } else { |
| 578 | op.setStatus(STATUS.SUCCESS); |
| 579 | } |
| 580 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 581 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 582 | return failExists; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | private boolean multiWriteInternal(final ArrayList<RCMultiEntryOperation> ops) { |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 586 | boolean failExists = false; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 587 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 588 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 589 | final int reqs = ops.size(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 590 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 591 | MultiWriteObject multiWriteObjects = new MultiWriteObject(reqs); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 592 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 593 | for (int i = 0; i < reqs; ++i) { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 594 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 595 | IModifiableMultiEntryOperation op = ops.get(i); |
| 596 | RejectRules rules = new RejectRules(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 597 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 598 | switch (op.getOperation()) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 599 | case CREATE: |
| 600 | rules.rejectIfExists(); |
| 601 | break; |
| 602 | case FORCE_CREATE: |
| 603 | // no reject rule |
| 604 | break; |
| 605 | case UPDATE: |
| 606 | rules.rejectIfDoesntExists(); |
| 607 | rules.rejectIfNeVersion(op.getVersion()); |
| 608 | break; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 609 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 610 | default: |
| 611 | log.error("Invalid operation {} specified on multiWriteInternal", op.getOperation()); |
| 612 | failExists = true; |
| 613 | op.setStatus(STATUS.FAILED); |
| 614 | return failExists; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 615 | } |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 616 | multiWriteObjects.setObject(i, |
| 617 | ((RCTableID) op.getTableId()).getTableID(), op.getKey(), |
| 618 | op.getValue(), rules); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 619 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 620 | |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 621 | MultiWriteRspObject[] results = rcClient.multiWrite(multiWriteObjects.tableId, |
| 622 | multiWriteObjects.key, multiWriteObjects.keyLength, |
| 623 | multiWriteObjects.value, multiWriteObjects.valueLength, ops.size(), |
| 624 | multiWriteObjects.rules); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 625 | if (results.length != reqs) { |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 626 | log.error("multiWrite returned unexpected number of results. " + |
| 627 | "(requested:{}, returned:{})", reqs, results.length); |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 628 | failExists = true; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 629 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 630 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 631 | for (int i = 0; i < results.length; ++i) { |
| 632 | IModifiableMultiEntryOperation op = ops.get(i); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 633 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 634 | if (results[i] != null |
| 635 | && results[i].getStatus() == RCClient.STATUS_OK) { |
| 636 | op.setStatus(STATUS.SUCCESS); |
| 637 | op.setVersion(results[i].getVersion()); |
| 638 | } else { |
| 639 | op.setStatus(STATUS.FAILED); |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 640 | failExists = true; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 641 | } |
| 642 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 643 | |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 644 | return failExists; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 645 | } |
| 646 | |
Jonathan Hart | c00f5c2 | 2014-06-10 15:14:40 -0700 | [diff] [blame] | 647 | private static final ConcurrentHashMap<String, RCTable> TABLES = |
| 648 | new ConcurrentHashMap<>(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 649 | |
| 650 | @Override |
| 651 | public IKVTable getTable(final String tableName) { |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 652 | RCTable table = TABLES.get(tableName); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 653 | if (table == null) { |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 654 | RCTable newTable = new RCTable(tableName); |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 655 | RCTable existingTable = TABLES |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 656 | .putIfAbsent(tableName, newTable); |
| 657 | if (existingTable != null) { |
| 658 | return existingTable; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 659 | } else { |
Yuta HIGUCHI | a14eb17 | 2014-03-24 15:03:23 -0700 | [diff] [blame] | 660 | return newTable; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 661 | } |
| 662 | } |
| 663 | return table; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | @Override |
| 667 | public void dropTable(IKVTable table) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 668 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
| 669 | rcClient.dropTable(table.getTableId().getTableName()); |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 670 | TABLES.remove(table.getTableId().getTableName()); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | static final long VERSION_NONEXISTENT = JRamCloud.VERSION_NONEXISTENT; |
| 674 | |
| 675 | @Override |
Ray Milkey | 7531a34 | 2014-04-11 15:08:12 -0700 | [diff] [blame] | 676 | public long getVersionNonexistant() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 677 | return VERSION_NONEXISTENT; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 678 | } |
Yuta HIGUCHI | d47eac3 | 2014-04-07 13:44:47 -0700 | [diff] [blame] | 679 | |
| 680 | @Override |
| 681 | public void createCounter(final IKVTableID tableId, final byte[] key, |
| 682 | final long initialValue) |
| 683 | throws ObjectExistsException { |
| 684 | |
| 685 | ByteBuffer valueBytes = ByteBuffer.allocate(8) |
| 686 | .order(ByteOrder.LITTLE_ENDIAN).putLong(initialValue); |
| 687 | valueBytes.flip(); |
| 688 | final long version = create(tableId, key, valueBytes.array()); |
| 689 | if (log.isTraceEnabled()) { |
| 690 | log.trace("Created counter {}-{}={}@{}", |
Yuta HIGUCHI | 805bc8f | 2014-04-16 11:51:43 -0700 | [diff] [blame] | 691 | tableId, ByteArrayUtil.toHexStringBuilder(key, ":"), |
Yuta HIGUCHI | d47eac3 | 2014-04-07 13:44:47 -0700 | [diff] [blame] | 692 | initialValue, version); |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | @Override |
| 697 | public void setCounter(final IKVTableID tableId, final byte[] key, |
| 698 | final long value) { |
| 699 | |
| 700 | ByteBuffer valueBytes = ByteBuffer.allocate(8) |
| 701 | .order(ByteOrder.LITTLE_ENDIAN).putLong(value); |
| 702 | valueBytes.flip(); |
| 703 | |
| 704 | final long version = forceCreate(tableId, key, valueBytes.array()); |
| 705 | if (log.isTraceEnabled()) { |
| 706 | log.trace("set counter {}-{}={}@{}", |
Yuta HIGUCHI | 805bc8f | 2014-04-16 11:51:43 -0700 | [diff] [blame] | 707 | tableId, ByteArrayUtil.toHexStringBuilder(key, ":"), |
Yuta HIGUCHI | d47eac3 | 2014-04-07 13:44:47 -0700 | [diff] [blame] | 708 | value, version); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | @Override |
| 713 | public long incrementCounter(final IKVTableID tableId, final byte[] key, |
| 714 | final long incrementValue) { |
| 715 | |
| 716 | RCTableID rcTableId = (RCTableID) tableId; |
| 717 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
| 718 | |
| 719 | try { |
| 720 | return rcClient.increment(rcTableId.getTableID(), key, incrementValue); |
| 721 | } catch (JRamCloud.ObjectDoesntExistException e) { |
| 722 | log.warn("Counter {}-{} was not present", |
| 723 | tableId, |
Yuta HIGUCHI | 805bc8f | 2014-04-16 11:51:43 -0700 | [diff] [blame] | 724 | ByteArrayUtil.toHexStringBuilder(key, ":")); |
Yuta HIGUCHI | d47eac3 | 2014-04-07 13:44:47 -0700 | [diff] [blame] | 725 | try { |
| 726 | // creating counter initialized to 0 |
| 727 | createCounter(rcTableId, key, 0L); |
| 728 | } catch (ObjectExistsException e1) { |
| 729 | // someone concurrently created it |
| 730 | log.debug("Counter {}-{} seemed to be concurrently created.", |
| 731 | tableId, |
Yuta HIGUCHI | 805bc8f | 2014-04-16 11:51:43 -0700 | [diff] [blame] | 732 | ByteArrayUtil.toHexStringBuilder(key, ":")); |
Yuta HIGUCHI | d47eac3 | 2014-04-07 13:44:47 -0700 | [diff] [blame] | 733 | } |
| 734 | try { |
| 735 | return rcClient.increment(rcTableId.getTableID(), key, incrementValue); |
| 736 | } catch (edu.stanford.ramcloud.JRamCloud.ObjectDoesntExistException e1) { |
| 737 | log.error("Should never happen"); |
| 738 | throw new IllegalStateException("Created counter disappeared."); |
| 739 | } |
| 740 | } |
| 741 | } |
| 742 | |
| 743 | @Override |
| 744 | public void destroyCounter(final IKVTableID tableId, final byte[] key) { |
| 745 | |
| 746 | RCTableID rcTableId = (RCTableID) tableId; |
| 747 | JRamCloud rcClient = RCClient.getJRamCloudClient(); |
| 748 | |
| 749 | rcClient.remove(rcTableId.getTableID(), key); |
| 750 | } |
| 751 | |
| 752 | @Override |
| 753 | public long getCounter(IKVTableID tableId, byte[] key) |
| 754 | throws ObjectDoesntExistException { |
| 755 | |
| 756 | IKVEntry entry = read(tableId, key); |
| 757 | ByteBuffer counter = ByteBuffer.wrap(entry.getValue()).order(ByteOrder.LITTLE_ENDIAN); |
| 758 | return counter.getLong(); |
| 759 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 760 | } |