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 | |
Yuta HIGUCHI | 5bb0a29 | 2014-07-23 16:51:24 -0700 | [diff] [blame^] | 3 | import static com.google.common.base.Preconditions.checkNotNull; |
| 4 | import static com.google.common.base.Preconditions.checkArgument; |
| 5 | |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 6 | import java.io.IOException; |
| 7 | import java.util.ArrayList; |
| 8 | import java.util.Arrays; |
| 9 | import java.util.List; |
| 10 | import java.util.Set; |
| 11 | import java.util.concurrent.atomic.AtomicLong; |
| 12 | |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame] | 13 | import net.onrc.onos.core.datastore.DataStoreClient; |
Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 14 | import net.onrc.onos.core.datastore.IKVTable; |
| 15 | import net.onrc.onos.core.datastore.IKVTableID; |
| 16 | import net.onrc.onos.core.datastore.ObjectDoesntExistException; |
| 17 | import net.onrc.onos.core.datastore.ObjectExistsException; |
| 18 | import net.onrc.onos.core.datastore.WrongVersionException; |
Yuta HIGUCHI | f148aac | 2014-05-05 14:59:06 -0700 | [diff] [blame] | 19 | import net.onrc.onos.core.datastore.utils.ByteArrayUtil; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 20 | |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 21 | import org.apache.commons.lang.ArrayUtils; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 22 | import org.slf4j.Logger; |
| 23 | import org.slf4j.LoggerFactory; |
| 24 | |
| 25 | import com.hazelcast.core.IMap; |
| 26 | import com.hazelcast.nio.ObjectDataInput; |
| 27 | import com.hazelcast.nio.ObjectDataOutput; |
| 28 | import com.hazelcast.nio.serialization.IdentifiedDataSerializable; |
| 29 | |
| 30 | public class HZTable implements IKVTable, IKVTableID { |
| 31 | @SuppressWarnings("unused") |
| 32 | private static final Logger log = LoggerFactory.getLogger(HZTable.class); |
| 33 | |
| 34 | // not sure how strict this should be managed |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 35 | private static final AtomicLong INITIAL_VERSION = new AtomicLong(HZClient.VERSION_NONEXISTENT); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 36 | |
| 37 | /** |
| 38 | * generate a new initial version for an entry. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 39 | * |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 40 | * @return initial value |
| 41 | */ |
| 42 | protected static long getInitialVersion() { |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 43 | long version = INITIAL_VERSION.incrementAndGet(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 44 | if (version == HZClient.VERSION_NONEXISTENT) { |
| 45 | // used up whole 64bit space? |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 46 | version = INITIAL_VERSION.incrementAndGet(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 47 | } |
| 48 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | /** |
Ray Milkey | 7531a34 | 2014-04-11 15:08:12 -0700 | [diff] [blame] | 52 | * increment version, avoiding versionNonexistant. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 53 | * |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 54 | * @param version |
Jonathan Hart | 99ff20a | 2014-06-15 16:53:00 -0700 | [diff] [blame] | 55 | * @return the next version number |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 56 | */ |
| 57 | protected static long getNextVersion(final long version) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 58 | long nextVersion = version + 1; |
| 59 | if (nextVersion == HZClient.VERSION_NONEXISTENT) { |
| 60 | ++nextVersion; |
| 61 | } |
| 62 | return nextVersion; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | static class VersionedValue implements IdentifiedDataSerializable { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 66 | private static final long serialVersionUID = -3149375966890712708L; |
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 | private byte[] value; |
| 69 | private long version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 70 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 71 | protected VersionedValue() { |
| 72 | value = new byte[0]; |
| 73 | version = HZClient.VERSION_NONEXISTENT; |
| 74 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 75 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 76 | public VersionedValue(final byte[] value, final long version) { |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame] | 77 | setValue(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 78 | this.version = version; |
| 79 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 80 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 81 | public byte[] getValue() { |
| 82 | return value; |
| 83 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 84 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 85 | public long getVersion() { |
| 86 | return version; |
| 87 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 88 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 89 | public void setValue(final byte[] value) { |
Yuta HIGUCHI | 5bb0a29 | 2014-07-23 16:51:24 -0700 | [diff] [blame^] | 90 | checkArgument(value == null || |
| 91 | value.length <= DataStoreClient.MAX_VALUE_BYTES, |
| 92 | "Value must be smaller than 1MB"); |
| 93 | |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 94 | this.value = ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 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 | public void setNextVersion() { |
| 98 | this.version = getNextVersion(this.version); |
| 99 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 100 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 101 | @Override |
| 102 | public void writeData(final ObjectDataOutput out) throws IOException { |
| 103 | out.writeLong(version); |
| 104 | out.writeInt(value.length); |
| 105 | if (value.length > 0) { |
| 106 | out.write(value); |
| 107 | } |
| 108 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 109 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 110 | @Override |
| 111 | public void readData(final ObjectDataInput in) throws IOException { |
| 112 | version = in.readLong(); |
| 113 | final int valueLen = in.readInt(); |
| 114 | value = new byte[valueLen]; |
| 115 | in.readFully(value); |
| 116 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 117 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 118 | @Override |
| 119 | public int getFactoryId() { |
| 120 | return VersionedValueSerializableFactory.FACTORY_ID; |
| 121 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 122 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 123 | @Override |
| 124 | public int getId() { |
| 125 | return VersionedValueSerializableFactory.VERSIONED_VALUE_ID; |
| 126 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 127 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 128 | @Override |
| 129 | public int hashCode() { |
| 130 | final int prime = 31; |
| 131 | int result = 1; |
| 132 | result = prime * result + (int) (version ^ (version >>> 32)); |
| 133 | result = prime * result + Arrays.hashCode(value); |
| 134 | return result; |
| 135 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 136 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 137 | @Override |
| 138 | public boolean equals(final Object obj) { |
| 139 | if (this == obj) { |
| 140 | return true; |
| 141 | } |
| 142 | if (obj == null) { |
| 143 | return false; |
| 144 | } |
| 145 | if (getClass() != obj.getClass()) { |
| 146 | return false; |
| 147 | } |
| 148 | VersionedValue other = (VersionedValue) obj; |
| 149 | if (version != other.version) { |
| 150 | return false; |
| 151 | } |
| 152 | if (!Arrays.equals(value, other.value)) { |
| 153 | return false; |
| 154 | } |
| 155 | return true; |
| 156 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | // TODO Refactor and extract common parts |
| 160 | public static class Entry implements IKVEntry { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 161 | final byte[] key; |
| 162 | byte[] value; |
| 163 | long version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 164 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 165 | public Entry(final byte[] key, final byte[] value, final long version) { |
Yuta HIGUCHI | 5bb0a29 | 2014-07-23 16:51:24 -0700 | [diff] [blame^] | 166 | checkNotNull(key); |
| 167 | checkArgument( |
| 168 | key.length <= DataStoreClient.MAX_KEY_BYTES, |
| 169 | "Key must be smaller than 64KB"); |
| 170 | |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 171 | this.key = key.clone(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 172 | this.setValue(value); |
| 173 | this.setVersion(version); |
| 174 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 175 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 176 | public Entry(final byte[] key) { |
| 177 | this(key, null, HZClient.VERSION_NONEXISTENT); |
| 178 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 179 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 180 | @Override |
| 181 | public byte[] getKey() { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 182 | return key.clone(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 183 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 184 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 185 | @Override |
| 186 | public byte[] getValue() { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 187 | return ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 188 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 189 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 190 | @Override |
| 191 | public long getVersion() { |
| 192 | return version; |
| 193 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 194 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 195 | void setValue(final byte[] value) { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 196 | this.value = ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 197 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 198 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 199 | void setVersion(final long version) { |
| 200 | this.version = version; |
| 201 | } |
Yuta HIGUCHI | f148aac | 2014-05-05 14:59:06 -0700 | [diff] [blame] | 202 | |
| 203 | @Override |
| 204 | public String toString() { |
| 205 | return "[Entry key=" + ByteArrayUtil.toHexStringBuilder(key, ":") + ", value=" |
| 206 | + ByteArrayUtil.toHexStringBuilder(value, ":") + ", version=" + version + "]"; |
| 207 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 211 | private final String mapName; |
| 212 | private final IMap<byte[], VersionedValue> map; |
| 213 | |
| 214 | public HZTable(final String mapName, final IMap<byte[], VersionedValue> map) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 215 | this.mapName = mapName; |
| 216 | this.map = map; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | @Override |
| 220 | public String getTableName() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 221 | return mapName; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | @Override |
| 225 | public IKVTableID getTableId() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 226 | return this; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | @Override |
| 230 | public long create(final byte[] key, final byte[] value) throws ObjectExistsException { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 231 | final long version = getInitialVersion(); |
| 232 | VersionedValue existing = map.putIfAbsent(key, new VersionedValue(value, version)); |
| 233 | if (existing != null) { |
| 234 | throw new ObjectExistsException(this, key); |
| 235 | } |
| 236 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 237 | } |
| 238 | |
| 239 | @Override |
| 240 | public long forceCreate(final byte[] key, final byte[] value) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 241 | final long version = getInitialVersion(); |
| 242 | map.set(key, new VersionedValue(value, version)); |
| 243 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public IKVEntry read(final byte[] key) throws ObjectDoesntExistException { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 248 | final VersionedValue value = map.get(key); |
| 249 | if (value == null) { |
| 250 | throw new ObjectDoesntExistException(this, key); |
| 251 | } |
| 252 | return new Entry(key, value.getValue(), value.getVersion()); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | @Override |
| 256 | public long update(final byte[] key, final byte[] value, final long version) |
| 257 | throws ObjectDoesntExistException, WrongVersionException { |
| 258 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 259 | try { |
| 260 | map.lock(key); |
| 261 | final VersionedValue oldValue = map.get(key); |
| 262 | if (oldValue == null) { |
| 263 | throw new ObjectDoesntExistException(this, key); |
| 264 | } |
| 265 | if (oldValue.getVersion() != version) { |
| 266 | throw new WrongVersionException(this, key, version, oldValue.getVersion()); |
| 267 | } |
| 268 | final long nextVersion = getNextVersion(version); |
| 269 | map.set(key, new VersionedValue(value, nextVersion)); |
| 270 | return nextVersion; |
| 271 | } finally { |
| 272 | map.unlock(key); |
| 273 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | @Override |
| 277 | public long update(final byte[] key, final byte[] value) |
| 278 | throws ObjectDoesntExistException { |
| 279 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 280 | try { |
| 281 | map.lock(key); |
| 282 | final VersionedValue valueInMap = map.get(key); |
| 283 | if (valueInMap == null) { |
| 284 | throw new ObjectDoesntExistException(this, key); |
| 285 | } |
| 286 | valueInMap.setValue(value); |
| 287 | valueInMap.setNextVersion(); |
| 288 | map.set(key, valueInMap); |
| 289 | return valueInMap.getVersion(); |
| 290 | } finally { |
| 291 | map.unlock(key); |
| 292 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | @Override |
| 296 | public long delete(final byte[] key, final long version) |
| 297 | throws ObjectDoesntExistException, WrongVersionException { |
| 298 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 299 | try { |
| 300 | map.lock(key); |
| 301 | final VersionedValue oldValue = map.get(key); |
| 302 | if (oldValue == null) { |
| 303 | throw new ObjectDoesntExistException(this, key); |
| 304 | } |
| 305 | if (oldValue.getVersion() != version) { |
| 306 | throw new WrongVersionException(this, key, version, oldValue.getVersion()); |
| 307 | } |
| 308 | map.delete(key); |
| 309 | return oldValue.getVersion(); |
| 310 | } finally { |
| 311 | map.unlock(key); |
| 312 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | @Override |
| 316 | public long forceDelete(final byte[] key) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 317 | final VersionedValue valueInMap = map.remove(key); |
| 318 | if (valueInMap == null) { |
| 319 | return HZClient.VERSION_NONEXISTENT; |
| 320 | } |
| 321 | return valueInMap.getVersion(); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | @Override |
| 325 | public Iterable<IKVEntry> getAllEntries() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 326 | final Set<IMap.Entry<byte[], VersionedValue>> entries = map.entrySet(); |
| 327 | List<IKVEntry> entryList = new ArrayList<IKVTable.IKVEntry>(entries.size()); |
| 328 | for (IMap.Entry<byte[], VersionedValue> entry : entries) { |
| 329 | entryList.add(new Entry(entry.getKey(), entry.getValue().getValue(), entry.getValue().getVersion())); |
| 330 | } |
| 331 | return entryList; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | @Override |
| 335 | public String toString() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 336 | return "[HZTable " + mapName + "]"; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | IMap<byte[], VersionedValue> getBackendMap() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 340 | return this.map; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | @Override |
Ray Milkey | 7531a34 | 2014-04-11 15:08:12 -0700 | [diff] [blame] | 344 | public long getVersionNonexistant() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 345 | return HZClient.VERSION_NONEXISTENT; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 346 | } |
| 347 | } |