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mid cassandra rewrite

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This commit is contained in:
Jonas Boner 2009-08-02 16:14:12 +02:00
parent 136cb4e334
commit 32ef59c67c
7 changed files with 296 additions and 105 deletions
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40
kernel/src/main/scala/state/State.scala
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@ -13,7 +13,7 @@ import scala.collection.mutable.{ArrayBuffer, HashMap}
sealed abstract class TransactionalStateConfig
abstract class PersistentStorageConfig extends TransactionalStateConfig
case class CassandraStorageConfig extends PersistentStorageConfig
case class EmbeddedCassandraStorageConfig extends PersistentStorageConfig
case class TerracottaStorageConfig extends PersistentStorageConfig
case class TokyoCabinetStorageConfig extends PersistentStorageConfig
@ -22,7 +22,7 @@ case class TokyoCabinetStorageConfig extends PersistentStorageConfig
* <p/>
* Example Scala usage:
* <pre>
* val myMap = TransactionalState.newPersistentMap(CassandraStorageConfig)
* val myMap = TransactionalState.newPersistentMap(EmbeddedCassandraStorageConfig)
* </pre>
*/
object TransactionalState extends TransactionalState
@ -33,24 +33,24 @@ object TransactionalState extends TransactionalState
* Example Java usage:
* <pre>
* TransactionalState state = new TransactionalState();
* TransactionalMap myMap = state.newPersistentMap(new CassandraStorageConfig());
* TransactionalMap myMap = state.newPersistentMap(new EmbeddedCassandraStorageConfig());
* </pre>
*/
class TransactionalState {
def newPersistentMap(config: PersistentStorageConfig): TransactionalMap[String, AnyRef] = config match {
case CassandraStorageConfig() => new CassandraPersistentTransactionalMap
case EmbeddedCassandraStorageConfig() => new CassandraPersistentTransactionalMap
case TerracottaStorageConfig() => throw new UnsupportedOperationException
case TokyoCabinetStorageConfig() => throw new UnsupportedOperationException
}
def newPersistentVector(config: PersistentStorageConfig): TransactionalVector[AnyRef] = config match {
case CassandraStorageConfig() => new CassandraPersistentTransactionalVector
case EmbeddedCassandraStorageConfig() => new CassandraPersistentTransactionalVector
case TerracottaStorageConfig() => throw new UnsupportedOperationException
case TokyoCabinetStorageConfig() => throw new UnsupportedOperationException
}
def newPersistentRef(config: PersistentStorageConfig): TransactionalRef[AnyRef] = config match {
case CassandraStorageConfig() => new CassandraPersistentTransactionalRef
case EmbeddedCassandraStorageConfig() => new CassandraPersistentTransactionalRef
case TerracottaStorageConfig() => throw new UnsupportedOperationException
case TokyoCabinetStorageConfig() => throw new UnsupportedOperationException
}
@ -208,7 +208,7 @@ class CassandraPersistentTransactionalMap extends PersistentTransactionalMap[Str
override def getRange(start: Int, count: Int) = {
verifyTransaction
try {
CassandraStorage.getMapStorageRangeFor(uuid, start, count)
EmbeddedCassandraStorage.getMapStorageRangeFor(uuid, start, count)
} catch {
case e: Exception => Nil
}
@ -216,7 +216,7 @@ class CassandraPersistentTransactionalMap extends PersistentTransactionalMap[Str
// ---- For Transactional ----
override def commit = {
CassandraStorage.insertMapStorageEntriesFor(uuid, changeSet.toList)
EmbeddedCassandraStorage.insertMapStorageEntriesFor(uuid, changeSet.toList)
changeSet.clear
}
@ -224,7 +224,7 @@ class CassandraPersistentTransactionalMap extends PersistentTransactionalMap[Str
override def clear = {
verifyTransaction
try {
CassandraStorage.removeMapStorageFor(uuid)
EmbeddedCassandraStorage.removeMapStorageFor(uuid)
} catch {
case e: Exception => {}
}
@ -233,7 +233,7 @@ class CassandraPersistentTransactionalMap extends PersistentTransactionalMap[Str
override def contains(key: String): Boolean = {
try {
verifyTransaction
CassandraStorage.getMapStorageEntryFor(uuid, key).isDefined
EmbeddedCassandraStorage.getMapStorageEntryFor(uuid, key).isDefined
} catch {
case e: Exception => false
}
@ -242,7 +242,7 @@ class CassandraPersistentTransactionalMap extends PersistentTransactionalMap[Str
override def size: Int = {
verifyTransaction
try {
CassandraStorage.getMapStorageSizeFor(uuid)
EmbeddedCassandraStorage.getMapStorageSizeFor(uuid)
} catch {
case e: Exception => 0
}
@ -254,7 +254,7 @@ class CassandraPersistentTransactionalMap extends PersistentTransactionalMap[Str
// if (changeSet.contains(key)) changeSet.get(key)
// else {
val result = try {
CassandraStorage.getMapStorageEntryFor(uuid, key)
EmbeddedCassandraStorage.getMapStorageEntryFor(uuid, key)
} catch {
case e: Exception => None
}
@ -266,7 +266,7 @@ class CassandraPersistentTransactionalMap extends PersistentTransactionalMap[Str
//verifyTransaction
new Iterator[Tuple2[String, AnyRef]] {
private val originalList: List[Tuple2[String, AnyRef]] = try {
CassandraStorage.getMapStorageFor(uuid)
EmbeddedCassandraStorage.getMapStorageFor(uuid)
} catch {
case e: Throwable => Nil
}
@ -388,17 +388,17 @@ class CassandraPersistentTransactionalVector extends PersistentTransactionalVect
override def get(index: Int): AnyRef = {
verifyTransaction
if (changeSet.size > index) changeSet(index)
else CassandraStorage.getVectorStorageEntryFor(uuid, index)
else EmbeddedCassandraStorage.getVectorStorageEntryFor(uuid, index)
}
override def getRange(start: Int, count: Int): List[AnyRef] = {
verifyTransaction
CassandraStorage.getVectorStorageRangeFor(uuid, start, count)
EmbeddedCassandraStorage.getVectorStorageRangeFor(uuid, start, count)
}
override def length: Int = {
verifyTransaction
CassandraStorage.getVectorStorageSizeFor(uuid)
EmbeddedCassandraStorage.getVectorStorageSizeFor(uuid)
}
override def apply(index: Int): AnyRef = get(index)
@ -415,7 +415,7 @@ class CassandraPersistentTransactionalVector extends PersistentTransactionalVect
// ---- For Transactional ----
override def commit = {
// FIXME: should use batch function once the bug is resolved
for (element <- changeSet) CassandraStorage.insertVectorStorageEntryFor(uuid, element)
for (element <- changeSet) EmbeddedCassandraStorage.insertVectorStorageEntryFor(uuid, element)
changeSet.clear
}
}
@ -460,7 +460,7 @@ class TransactionalRef[T] extends Transactional {
class CassandraPersistentTransactionalRef extends TransactionalRef[AnyRef] {
override def commit = if (ref.isDefined) {
CassandraStorage.insertRefStorageFor(uuid, ref.get)
EmbeddedCassandraStorage.insertRefStorageFor(uuid, ref.get)
ref = None
}
@ -468,7 +468,7 @@ class CassandraPersistentTransactionalRef extends TransactionalRef[AnyRef] {
override def get: Option[AnyRef] = {
verifyTransaction
CassandraStorage.getRefStorageFor(uuid)
EmbeddedCassandraStorage.getRefStorageFor(uuid)
}
override def isDefined: Boolean = get.isDefined
@ -478,4 +478,4 @@ class CassandraPersistentTransactionalRef extends TransactionalRef[AnyRef] {
if (ref.isDefined) ref
else default
}
}
}