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 | 8f18219 | 2014-08-02 18:47:42 -0700 | [diff] [blame] | 20 | import net.onrc.onos.core.util.serializers.HazelcastSerializationConstants; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 21 | |
Yuta HIGUCHI | 498e153 | 2014-08-20 21:30:28 -0700 | [diff] [blame] | 22 | import org.apache.commons.lang3.ArrayUtils; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 23 | import org.slf4j.Logger; |
| 24 | import org.slf4j.LoggerFactory; |
| 25 | |
| 26 | import com.hazelcast.core.IMap; |
| 27 | import com.hazelcast.nio.ObjectDataInput; |
| 28 | import com.hazelcast.nio.ObjectDataOutput; |
| 29 | import com.hazelcast.nio.serialization.IdentifiedDataSerializable; |
| 30 | |
| 31 | public class HZTable implements IKVTable, IKVTableID { |
| 32 | @SuppressWarnings("unused") |
| 33 | private static final Logger log = LoggerFactory.getLogger(HZTable.class); |
| 34 | |
| 35 | // not sure how strict this should be managed |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 36 | private static final AtomicLong INITIAL_VERSION = new AtomicLong(HZClient.VERSION_NONEXISTENT); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 37 | |
| 38 | /** |
| 39 | * generate a new initial version for an entry. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 40 | * |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 41 | * @return initial value |
| 42 | */ |
| 43 | protected static long getInitialVersion() { |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 44 | long version = INITIAL_VERSION.incrementAndGet(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 45 | if (version == HZClient.VERSION_NONEXISTENT) { |
| 46 | // used up whole 64bit space? |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 47 | version = INITIAL_VERSION.incrementAndGet(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 48 | } |
| 49 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | /** |
Ray Milkey | 7531a34 | 2014-04-11 15:08:12 -0700 | [diff] [blame] | 53 | * increment version, avoiding versionNonexistant. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 54 | * |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 55 | * @param version |
Jonathan Hart | 99ff20a | 2014-06-15 16:53:00 -0700 | [diff] [blame] | 56 | * @return the next version number |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 57 | */ |
| 58 | protected static long getNextVersion(final long version) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 59 | long nextVersion = version + 1; |
| 60 | if (nextVersion == HZClient.VERSION_NONEXISTENT) { |
| 61 | ++nextVersion; |
| 62 | } |
| 63 | return nextVersion; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | static class VersionedValue implements IdentifiedDataSerializable { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 67 | private static final long serialVersionUID = -3149375966890712708L; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 68 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 69 | private byte[] value; |
| 70 | private long version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 71 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 72 | protected VersionedValue() { |
| 73 | value = new byte[0]; |
| 74 | version = HZClient.VERSION_NONEXISTENT; |
| 75 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 76 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 77 | public VersionedValue(final byte[] value, final long version) { |
Yuta HIGUCHI | d395b93 | 2014-05-01 15:15:20 -0700 | [diff] [blame] | 78 | setValue(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 79 | this.version = version; |
| 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 byte[] getValue() { |
| 83 | return value; |
| 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 long getVersion() { |
| 87 | return version; |
| 88 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 89 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 90 | public void setValue(final byte[] value) { |
Yuta HIGUCHI | 5bb0a29 | 2014-07-23 16:51:24 -0700 | [diff] [blame] | 91 | checkArgument(value == null || |
| 92 | value.length <= DataStoreClient.MAX_VALUE_BYTES, |
| 93 | "Value must be smaller than 1MB"); |
| 94 | |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 95 | this.value = ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 96 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 97 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 98 | public void setNextVersion() { |
| 99 | this.version = getNextVersion(this.version); |
| 100 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 101 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 102 | @Override |
| 103 | public void writeData(final ObjectDataOutput out) throws IOException { |
| 104 | out.writeLong(version); |
| 105 | out.writeInt(value.length); |
| 106 | if (value.length > 0) { |
| 107 | out.write(value); |
| 108 | } |
| 109 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 110 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 111 | @Override |
| 112 | public void readData(final ObjectDataInput in) throws IOException { |
| 113 | version = in.readLong(); |
| 114 | final int valueLen = in.readInt(); |
| 115 | value = new byte[valueLen]; |
| 116 | in.readFully(value); |
| 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 getFactoryId() { |
Yuta HIGUCHI | 8f18219 | 2014-08-02 18:47:42 -0700 | [diff] [blame] | 121 | return HazelcastSerializationConstants.VERSIONED_VALUE_SERIALIZABLE_FACTORY_ID; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 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 getId() { |
Yuta HIGUCHI | 8f18219 | 2014-08-02 18:47:42 -0700 | [diff] [blame] | 126 | return HazelcastSerializationConstants.VERSIONED_VALUE_TYPE_ID; |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 127 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 128 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 129 | @Override |
| 130 | public int hashCode() { |
| 131 | final int prime = 31; |
| 132 | int result = 1; |
| 133 | result = prime * result + (int) (version ^ (version >>> 32)); |
| 134 | result = prime * result + Arrays.hashCode(value); |
| 135 | return result; |
| 136 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 137 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 138 | @Override |
| 139 | public boolean equals(final Object obj) { |
| 140 | if (this == obj) { |
| 141 | return true; |
| 142 | } |
| 143 | if (obj == null) { |
| 144 | return false; |
| 145 | } |
| 146 | if (getClass() != obj.getClass()) { |
| 147 | return false; |
| 148 | } |
| 149 | VersionedValue other = (VersionedValue) obj; |
| 150 | if (version != other.version) { |
| 151 | return false; |
| 152 | } |
| 153 | if (!Arrays.equals(value, other.value)) { |
| 154 | return false; |
| 155 | } |
| 156 | return true; |
| 157 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | // TODO Refactor and extract common parts |
| 161 | public static class Entry implements IKVEntry { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 162 | final byte[] key; |
| 163 | byte[] value; |
| 164 | long version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 165 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 166 | public Entry(final byte[] key, final byte[] value, final long version) { |
Yuta HIGUCHI | 5bb0a29 | 2014-07-23 16:51:24 -0700 | [diff] [blame] | 167 | checkNotNull(key); |
| 168 | checkArgument( |
| 169 | key.length <= DataStoreClient.MAX_KEY_BYTES, |
| 170 | "Key must be smaller than 64KB"); |
| 171 | |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 172 | this.key = key.clone(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 173 | this.setValue(value); |
| 174 | this.setVersion(version); |
| 175 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 176 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 177 | public Entry(final byte[] key) { |
| 178 | this(key, null, HZClient.VERSION_NONEXISTENT); |
| 179 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 180 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 181 | @Override |
| 182 | public byte[] getKey() { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 183 | return key.clone(); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 184 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 185 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 186 | @Override |
| 187 | public byte[] getValue() { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 188 | return ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 189 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 190 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 191 | @Override |
| 192 | public long getVersion() { |
| 193 | return version; |
| 194 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 195 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 196 | void setValue(final byte[] value) { |
Yuta HIGUCHI | ce7e7f8 | 2014-04-15 21:37:38 -0700 | [diff] [blame] | 197 | this.value = ArrayUtils.clone(value); |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 198 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 199 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 200 | void setVersion(final long version) { |
| 201 | this.version = version; |
| 202 | } |
Yuta HIGUCHI | f148aac | 2014-05-05 14:59:06 -0700 | [diff] [blame] | 203 | |
| 204 | @Override |
| 205 | public String toString() { |
| 206 | return "[Entry key=" + ByteArrayUtil.toHexStringBuilder(key, ":") + ", value=" |
| 207 | + ByteArrayUtil.toHexStringBuilder(value, ":") + ", version=" + version + "]"; |
| 208 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 212 | private final String mapName; |
| 213 | private final IMap<byte[], VersionedValue> map; |
| 214 | |
| 215 | public HZTable(final String mapName, final IMap<byte[], VersionedValue> map) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 216 | this.mapName = mapName; |
| 217 | this.map = map; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | @Override |
| 221 | public String getTableName() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 222 | return mapName; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | @Override |
| 226 | public IKVTableID getTableId() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 227 | return this; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public long create(final byte[] key, final byte[] value) throws ObjectExistsException { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 232 | final long version = getInitialVersion(); |
| 233 | VersionedValue existing = map.putIfAbsent(key, new VersionedValue(value, version)); |
| 234 | if (existing != null) { |
| 235 | throw new ObjectExistsException(this, key); |
| 236 | } |
| 237 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | @Override |
| 241 | public long forceCreate(final byte[] key, final byte[] value) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 242 | final long version = getInitialVersion(); |
| 243 | map.set(key, new VersionedValue(value, version)); |
| 244 | return version; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | @Override |
| 248 | public IKVEntry read(final byte[] key) throws ObjectDoesntExistException { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 249 | final VersionedValue value = map.get(key); |
| 250 | if (value == null) { |
| 251 | throw new ObjectDoesntExistException(this, key); |
| 252 | } |
| 253 | return new Entry(key, value.getValue(), value.getVersion()); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | @Override |
| 257 | public long update(final byte[] key, final byte[] value, final long version) |
| 258 | throws ObjectDoesntExistException, WrongVersionException { |
| 259 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 260 | try { |
| 261 | map.lock(key); |
| 262 | final VersionedValue oldValue = map.get(key); |
| 263 | if (oldValue == null) { |
| 264 | throw new ObjectDoesntExistException(this, key); |
| 265 | } |
| 266 | if (oldValue.getVersion() != version) { |
| 267 | throw new WrongVersionException(this, key, version, oldValue.getVersion()); |
| 268 | } |
| 269 | final long nextVersion = getNextVersion(version); |
| 270 | map.set(key, new VersionedValue(value, nextVersion)); |
| 271 | return nextVersion; |
| 272 | } finally { |
| 273 | map.unlock(key); |
| 274 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | @Override |
| 278 | public long update(final byte[] key, final byte[] value) |
| 279 | throws ObjectDoesntExistException { |
| 280 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 281 | try { |
| 282 | map.lock(key); |
| 283 | final VersionedValue valueInMap = map.get(key); |
| 284 | if (valueInMap == null) { |
| 285 | throw new ObjectDoesntExistException(this, key); |
| 286 | } |
| 287 | valueInMap.setValue(value); |
| 288 | valueInMap.setNextVersion(); |
| 289 | map.set(key, valueInMap); |
| 290 | return valueInMap.getVersion(); |
| 291 | } finally { |
| 292 | map.unlock(key); |
| 293 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | @Override |
| 297 | public long delete(final byte[] key, final long version) |
| 298 | throws ObjectDoesntExistException, WrongVersionException { |
| 299 | |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 300 | try { |
| 301 | map.lock(key); |
| 302 | final VersionedValue oldValue = map.get(key); |
| 303 | if (oldValue == null) { |
| 304 | throw new ObjectDoesntExistException(this, key); |
| 305 | } |
| 306 | if (oldValue.getVersion() != version) { |
| 307 | throw new WrongVersionException(this, key, version, oldValue.getVersion()); |
| 308 | } |
| 309 | map.delete(key); |
| 310 | return oldValue.getVersion(); |
| 311 | } finally { |
| 312 | map.unlock(key); |
| 313 | } |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | @Override |
| 317 | public long forceDelete(final byte[] key) { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 318 | final VersionedValue valueInMap = map.remove(key); |
| 319 | if (valueInMap == null) { |
| 320 | return HZClient.VERSION_NONEXISTENT; |
| 321 | } |
| 322 | return valueInMap.getVersion(); |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | @Override |
| 326 | public Iterable<IKVEntry> getAllEntries() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 327 | final Set<IMap.Entry<byte[], VersionedValue>> entries = map.entrySet(); |
| 328 | List<IKVEntry> entryList = new ArrayList<IKVTable.IKVEntry>(entries.size()); |
| 329 | for (IMap.Entry<byte[], VersionedValue> entry : entries) { |
| 330 | entryList.add(new Entry(entry.getKey(), entry.getValue().getValue(), entry.getValue().getVersion())); |
| 331 | } |
| 332 | return entryList; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | @Override |
| 336 | public String toString() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 337 | return "[HZTable " + mapName + "]"; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | IMap<byte[], VersionedValue> getBackendMap() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 341 | return this.map; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | @Override |
Ray Milkey | 7531a34 | 2014-04-11 15:08:12 -0700 | [diff] [blame] | 345 | public long getVersionNonexistant() { |
Yuta HIGUCHI | 826b4a4 | 2014-03-24 13:10:33 -0700 | [diff] [blame] | 346 | return HZClient.VERSION_NONEXISTENT; |
Yuta HIGUCHI | 6a64313 | 2014-03-18 22:39:27 -0700 | [diff] [blame] | 347 | } |
| 348 | } |