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