kscience/controls-kt
8
0
Fork 0
Code Issues Pull Requests 2 Packages Projects Releases 1 Wiki Activity

Add getPropertyHistory for xodus

Browse Source
This commit is contained in:
Atos1337 2021-12-16 18:18:47 +03:00
parent 0c4d2fc9e1
commit 476dbfdeaf
1 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
controls-xodus/src/main/kotlin/ru/mipt/npm/controls/xodus/util/queries.kt
View File

@ -1,9 +1,14 @@
package ru.mipt.npm.controls.xodus.util package ru.mipt.npm.controls.xodus.util
import jetbrains.exodus.entitystore.PersistentEntityStore
import jetbrains.exodus.entitystore.StoreTransaction import jetbrains.exodus.entitystore.StoreTransaction
import kotlinx.datetime.Instant import kotlinx.datetime.Instant
import ru.mipt.npm.controls.api.PropertyChangedMessage import ru.mipt.npm.controls.api.PropertyChangedMessage
import ru.mipt.npm.controls.xodus.defaultPersistentStoreFactory
import ru.mipt.npm.controls.xodus.toPropertyChangedMessage import ru.mipt.npm.controls.xodus.toPropertyChangedMessage
import ru.mipt.npm.xodus.serialization.json.decodeFromEntity
import space.kscience.dataforge.context.Factory
import space.kscience.dataforge.meta.Meta
public fun StoreTransaction.selectPropertyChangedMessagesFromRange( public fun StoreTransaction.selectPropertyChangedMessagesFromRange(
range: ClosedRange<Instant> range: ClosedRange<Instant>
@ -13,3 +18,26 @@ public fun StoreTransaction.selectPropertyChangedMessagesFromRange(
range.start.toEpochMilliseconds(), range.start.toEpochMilliseconds(),
range.endInclusive.toEpochMilliseconds() range.endInclusive.toEpochMilliseconds()
).mapNotNull { it.toPropertyChangedMessage() } ).mapNotNull { it.toPropertyChangedMessage() }
/**
* @return the list of deviceMessages that describes changes of specified property of specified device sorted by time
* @param sourceDeviceName a name of device, history of which property we want to get
* @param propertyName a name of property, history of which we want to get
* @param factory a factory that produce mongo clients
*/
public fun getPropertyHistory(
sourceDeviceName: String,
propertyName: String,
factory: Factory<PersistentEntityStore> = defaultPersistentStoreFactory,
meta: Meta = Meta.EMPTY
): List<PropertyChangedMessage> {
return factory(meta).use { store ->
store.computeInTransaction { txn ->
txn.find("DeviceMessage", "type", "property.changed").asSequence()
.filter { it?.getProperty("sourceDevice")?.let { it == sourceDeviceName } ?: false &&
it?.getProperty("property")?.let { it == propertyName } ?: false
}.sortedByDescending { it?.getProperty("time")?.let { timeStr -> Instant.parse(timeStr as String) } }
.toList().map { txn.decodeFromEntity(it) }
}
}
}