numass-framework/numass-viewer/src/main/kotlin/inr/numass/viewer/NumassDataCache.kt

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Kotlin
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2017-06-23 16:37:00 +03:00
package inr.numass.viewer
import hep.dataforge.data.Data
import hep.dataforge.meta.Meta
import hep.dataforge.tables.Table
import inr.numass.data.NumassData
import inr.numass.data.NumassPoint
import java.time.Instant
import java.util.stream.Collectors
import java.util.stream.Stream
/**
* Cached numass data
* Created by darksnake on 23-Jun-17.
*/
class NumassDataCache(val data: NumassData) : NumassData {
private val cachedDescription: String by lazy { data.description }
private val cachedMeta: Meta by lazy { data.meta }
private val cachedPoints: List<NumassPoint> by lazy { data.stream().collect(Collectors.toList()) }
private val hv: Table by lazy { data.hvData.get() }
override fun getDescription(): String {
return cachedDescription
}
override fun meta(): Meta {
return cachedMeta
}
override fun stream(): Stream<NumassPoint> {
return cachedPoints.stream();
}
override fun isEmpty(): Boolean {
return data.isEmpty
}
override fun startTime(): Instant {
return data.startTime()
}
override fun getName(): String {
return data.name;
}
override fun getHVData(): Data<Table> {
return Data.buildStatic(hv);
}
}