Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.datastore.hazelcast; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.util.ArrayList; |
| 5 | import java.util.Arrays; |
| 6 | import java.util.List; |
| 7 | import java.util.Set; |
| 8 | import java.util.concurrent.atomic.AtomicLong; |
| 9 | |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame^] | 10 | import net.onrc.onos.core.datastore.DataStoreClient; |
Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 11 | import net.onrc.onos.core.datastore.IKVTable; |
| 12 | import net.onrc.onos.core.datastore.IKVTableID; |
| 13 | import net.onrc.onos.core.datastore.ObjectDoesntExistException; |
| 14 | import net.onrc.onos.core.datastore.ObjectExistsException; |
| 15 | import net.onrc.onos.core.datastore.WrongVersionException; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 16 | |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame^] | 17 | import org.apache.commons.collections.BufferOverflowException; |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 18 | import org.apache.commons.lang.ArrayUtils; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 19 | import org.slf4j.Logger; |
| 20 | import org.slf4j.LoggerFactory; |
| 21 | |
| 22 | import com.hazelcast.core.IMap; |
| 23 | import com.hazelcast.nio.ObjectDataInput; |
| 24 | import com.hazelcast.nio.ObjectDataOutput; |
| 25 | import com.hazelcast.nio.serialization.IdentifiedDataSerializable; |
| 26 | |
| 27 | public class HZTable implements IKVTable, IKVTableID { |
| 28 | @SuppressWarnings("unused") |
| 29 | private static final Logger log = LoggerFactory.getLogger(HZTable.class); |
| 30 | |
| 31 | // not sure how strict this should be managed |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 32 | private static final AtomicLong INITIAL_VERSION = new AtomicLong(HZClient.VERSION_NONEXISTENT); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 33 | |
| 34 | /** |
| 35 | * generate a new initial version for an entry. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 36 | * |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 37 | * @return initial value |
| 38 | */ |
| 39 | protected static long getInitialVersion() { |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 40 | long version = INITIAL_VERSION.incrementAndGet(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 41 | if (version == HZClient.VERSION_NONEXISTENT) { |
| 42 | // used up whole 64bit space? |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 43 | version = INITIAL_VERSION.incrementAndGet(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 44 | } |
| 45 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | /** |
Ray Milkey | 7531a34 | 2014-04-11 15:08:12 -0700 | [diff] [blame] | 49 | * increment version, avoiding versionNonexistant. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 50 | * |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 51 | * @param version |
| 52 | * @return |
| 53 | */ |
| 54 | protected static long getNextVersion(final long version) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 55 | long nextVersion = version + 1; |
| 56 | if (nextVersion == HZClient.VERSION_NONEXISTENT) { |
| 57 | ++nextVersion; |
| 58 | } |
| 59 | return nextVersion; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | static class VersionedValue implements IdentifiedDataSerializable { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 63 | private static final long serialVersionUID = -3149375966890712708L; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 64 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 65 | private byte[] value; |
| 66 | private long version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 67 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 68 | protected VersionedValue() { |
| 69 | value = new byte[0]; |
| 70 | version = HZClient.VERSION_NONEXISTENT; |
| 71 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 72 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 73 | public VersionedValue(final byte[] value, final long version) { |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame^] | 74 | setValue(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 75 | this.version = version; |
| 76 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 77 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 78 | public byte[] getValue() { |
| 79 | return value; |
| 80 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 81 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 82 | public long getVersion() { |
| 83 | return version; |
| 84 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 85 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 86 | public void setValue(final byte[] value) { |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame^] | 87 | if (value != null && value.length > DataStoreClient.MAX_VALUE_BYTES) { |
| 88 | throw new BufferOverflowException("Value must be smaller than 1MB"); |
| 89 | } |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 90 | this.value = ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 91 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 92 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 93 | public void setNextVersion() { |
| 94 | this.version = getNextVersion(this.version); |
| 95 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 96 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 97 | @Override |
| 98 | public void writeData(final ObjectDataOutput out) throws IOException { |
| 99 | out.writeLong(version); |
| 100 | out.writeInt(value.length); |
| 101 | if (value.length > 0) { |
| 102 | out.write(value); |
| 103 | } |
| 104 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 105 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 106 | @Override |
| 107 | public void readData(final ObjectDataInput in) throws IOException { |
| 108 | version = in.readLong(); |
| 109 | final int valueLen = in.readInt(); |
| 110 | value = new byte[valueLen]; |
| 111 | in.readFully(value); |
| 112 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 113 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 114 | @Override |
| 115 | public int getFactoryId() { |
| 116 | return VersionedValueSerializableFactory.FACTORY_ID; |
| 117 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 118 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 119 | @Override |
| 120 | public int getId() { |
| 121 | return VersionedValueSerializableFactory.VERSIONED_VALUE_ID; |
| 122 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 123 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 124 | @Override |
| 125 | public int hashCode() { |
| 126 | final int prime = 31; |
| 127 | int result = 1; |
| 128 | result = prime * result + (int) (version ^ (version >>> 32)); |
| 129 | result = prime * result + Arrays.hashCode(value); |
| 130 | return result; |
| 131 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 132 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 133 | @Override |
| 134 | public boolean equals(final Object obj) { |
| 135 | if (this == obj) { |
| 136 | return true; |
| 137 | } |
| 138 | if (obj == null) { |
| 139 | return false; |
| 140 | } |
| 141 | if (getClass() != obj.getClass()) { |
| 142 | return false; |
| 143 | } |
| 144 | VersionedValue other = (VersionedValue) obj; |
| 145 | if (version != other.version) { |
| 146 | return false; |
| 147 | } |
| 148 | if (!Arrays.equals(value, other.value)) { |
| 149 | return false; |
| 150 | } |
| 151 | return true; |
| 152 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 153 | } |
| 154 | |
| 155 | // TODO Refactor and extract common parts |
| 156 | public static class Entry implements IKVEntry { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 157 | final byte[] key; |
| 158 | byte[] value; |
| 159 | long version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 160 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 161 | public Entry(final byte[] key, final byte[] value, final long version) { |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame^] | 162 | if (key.length > DataStoreClient.MAX_KEY_BYTES) { |
| 163 | throw new BufferOverflowException("Key must be smaller than 64KB"); |
| 164 | } |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 165 | this.key = key.clone(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 166 | this.setValue(value); |
| 167 | this.setVersion(version); |
| 168 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 169 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 170 | public Entry(final byte[] key) { |
| 171 | this(key, null, HZClient.VERSION_NONEXISTENT); |
| 172 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 173 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 174 | @Override |
| 175 | public byte[] getKey() { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 176 | return key.clone(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 177 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 178 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 179 | @Override |
| 180 | public byte[] getValue() { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 181 | return ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 182 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 183 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 184 | @Override |
| 185 | public long getVersion() { |
| 186 | return version; |
| 187 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 188 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 189 | void setValue(final byte[] value) { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 190 | this.value = ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 191 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 192 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 193 | void setVersion(final long version) { |
| 194 | this.version = version; |
| 195 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 199 | private final String mapName; |
| 200 | private final IMap<byte[], VersionedValue> map; |
| 201 | |
| 202 | public HZTable(final String mapName, final IMap<byte[], VersionedValue> map) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 203 | this.mapName = mapName; |
| 204 | this.map = map; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | @Override |
| 208 | public String getTableName() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 209 | return mapName; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | @Override |
| 213 | public IKVTableID getTableId() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 214 | return this; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | @Override |
| 218 | public long create(final byte[] key, final byte[] value) throws ObjectExistsException { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 219 | final long version = getInitialVersion(); |
| 220 | VersionedValue existing = map.putIfAbsent(key, new VersionedValue(value, version)); |
| 221 | if (existing != null) { |
| 222 | throw new ObjectExistsException(this, key); |
| 223 | } |
| 224 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | @Override |
| 228 | public long forceCreate(final byte[] key, final byte[] value) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 229 | final long version = getInitialVersion(); |
| 230 | map.set(key, new VersionedValue(value, version)); |
| 231 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | @Override |
| 235 | public IKVEntry read(final byte[] key) throws ObjectDoesntExistException { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 236 | final VersionedValue value = map.get(key); |
| 237 | if (value == null) { |
| 238 | throw new ObjectDoesntExistException(this, key); |
| 239 | } |
| 240 | return new Entry(key, value.getValue(), value.getVersion()); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | @Override |
| 244 | public long update(final byte[] key, final byte[] value, final long version) |
| 245 | throws ObjectDoesntExistException, WrongVersionException { |
| 246 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 247 | try { |
| 248 | map.lock(key); |
| 249 | final VersionedValue oldValue = map.get(key); |
| 250 | if (oldValue == null) { |
| 251 | throw new ObjectDoesntExistException(this, key); |
| 252 | } |
| 253 | if (oldValue.getVersion() != version) { |
| 254 | throw new WrongVersionException(this, key, version, oldValue.getVersion()); |
| 255 | } |
| 256 | final long nextVersion = getNextVersion(version); |
| 257 | map.set(key, new VersionedValue(value, nextVersion)); |
| 258 | return nextVersion; |
| 259 | } finally { |
| 260 | map.unlock(key); |
| 261 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 262 | } |
| 263 | |
| 264 | @Override |
| 265 | public long update(final byte[] key, final byte[] value) |
| 266 | throws ObjectDoesntExistException { |
| 267 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 268 | try { |
| 269 | map.lock(key); |
| 270 | final VersionedValue valueInMap = map.get(key); |
| 271 | if (valueInMap == null) { |
| 272 | throw new ObjectDoesntExistException(this, key); |
| 273 | } |
| 274 | valueInMap.setValue(value); |
| 275 | valueInMap.setNextVersion(); |
| 276 | map.set(key, valueInMap); |
| 277 | return valueInMap.getVersion(); |
| 278 | } finally { |
| 279 | map.unlock(key); |
| 280 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | @Override |
| 284 | public long delete(final byte[] key, final long version) |
| 285 | throws ObjectDoesntExistException, WrongVersionException { |
| 286 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 287 | try { |
| 288 | map.lock(key); |
| 289 | final VersionedValue oldValue = map.get(key); |
| 290 | if (oldValue == null) { |
| 291 | throw new ObjectDoesntExistException(this, key); |
| 292 | } |
| 293 | if (oldValue.getVersion() != version) { |
| 294 | throw new WrongVersionException(this, key, version, oldValue.getVersion()); |
| 295 | } |
| 296 | map.delete(key); |
| 297 | return oldValue.getVersion(); |
| 298 | } finally { |
| 299 | map.unlock(key); |
| 300 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | @Override |
| 304 | public long forceDelete(final byte[] key) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 305 | final VersionedValue valueInMap = map.remove(key); |
| 306 | if (valueInMap == null) { |
| 307 | return HZClient.VERSION_NONEXISTENT; |
| 308 | } |
| 309 | return valueInMap.getVersion(); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | @Override |
| 313 | public Iterable<IKVEntry> getAllEntries() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 314 | final Set<IMap.Entry<byte[], VersionedValue>> entries = map.entrySet(); |
| 315 | List<IKVEntry> entryList = new ArrayList<IKVTable.IKVEntry>(entries.size()); |
| 316 | for (IMap.Entry<byte[], VersionedValue> entry : entries) { |
| 317 | entryList.add(new Entry(entry.getKey(), entry.getValue().getValue(), entry.getValue().getVersion())); |
| 318 | } |
| 319 | return entryList; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | @Override |
| 323 | public String toString() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 324 | return "[HZTable " + mapName + "]"; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | IMap<byte[], VersionedValue> getBackendMap() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 328 | return this.map; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | @Override |
Ray Milkey | 7531a34 | 2014-04-11 15:08:12 -0700 | [diff] [blame] | 332 | public long getVersionNonexistant() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 333 | return HZClient.VERSION_NONEXISTENT; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 334 | } |
| 335 | } |