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32 lines
1.2 KiB
Scala
32 lines
1.2 KiB
Scala
package com.twitter.product_mixer.component_library.premarshaller.urt.builder
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import com.twitter.product_mixer.core.model.marshalling.response.urt.TimelineEntry
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import com.twitter.product_mixer.core.pipeline.HasPipelineCursor
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import com.twitter.product_mixer.core.pipeline.PipelineQuery
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trait IncludeInstruction[-Query <: PipelineQuery] { self =>
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def apply(query: Query, entries: Seq[TimelineEntry]): Boolean
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def inverse(): IncludeInstruction[Query] = new IncludeInstruction[Query] {
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def apply(query: Query, entries: Seq[TimelineEntry]): Boolean = !self.apply(query, entries)
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}
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}
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object AlwaysInclude extends IncludeInstruction[PipelineQuery] {
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override def apply(query: PipelineQuery, entries: Seq[TimelineEntry]): Boolean = true
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}
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object IncludeOnFirstPage extends IncludeInstruction[PipelineQuery with HasPipelineCursor[_]] {
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override def apply(
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query: PipelineQuery with HasPipelineCursor[_],
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entries: Seq[TimelineEntry]
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): Boolean = query.isFirstPage
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}
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object IncludeAfterFirstPage extends IncludeInstruction[PipelineQuery with HasPipelineCursor[_]] {
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override def apply(
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query: PipelineQuery with HasPipelineCursor[_],
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entries: Seq[TimelineEntry]
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): Boolean = !query.isFirstPage
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}
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