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shrine-medco/commons/protocol-query/src/main/scala/net/shrine/protocol/query/I2b2SubQueryConstraint.scala
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I2b2SubQueryConstraint.scala
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package net.shrine.protocol.query
import scala.xml.NodeSeq
import net.shrine.util.XmlUtil
import net.shrine.serialization.I2b2Marshaller
import scala.util.Try
import net.shrine.util.NodeSeqEnrichments
/**
* @author clint
* @date Sep 25, 2014
*
* A class to handle parameters to I2b2's notion of a temporal query
* (achieved by choosing 'define sequence of events' in the legacy web client)
*/
final case class I2b2SubQueryConstraint(id: String, joinColumn: String, aggregateOperator: String) extends I2b2Marshaller {
override def toI2b2: NodeSeq = XmlUtil.stripWhitespace {
//NB: outer tag is "placeholder", and will be renamed to "first_query" or "second_query"
<placeholder>
<query_id>{ id }</query_id>
<join_column>{ joinColumn }</join_column>
<aggregate_operator>{ aggregateOperator }</aggregate_operator>
</placeholder>
}
import I2b2SubQueryConstraint._
def toXml(idx: Int): NodeSeq = XmlUtil.stripWhitespace {
XmlUtil.renameRootTag(rootTagName) {
<placeholder index={ idx.toString }>
<id>{ id }</id>
<joinColumn>{ joinColumn }</joinColumn>
<aggregateOperator>{ aggregateOperator }</aggregateOperator>
</placeholder>
}
}
}
object I2b2SubQueryConstraint {
val rootTagName = "i2b2SubQueryConstraint"
def fromXml(xml: NodeSeq): Try[I2b2SubQueryConstraint] = {
import NodeSeqEnrichments.Strictness._
for {
id <- xml.withChild("id").map(_.text)
joinColumn <- xml.withChild("joinColumn").map(_.text)
aggregateOperator <- xml.withChild("aggregateOperator").map(_.text)
} yield {
I2b2SubQueryConstraint(id, joinColumn, aggregateOperator)
}
}
def fromI2b2(xml: NodeSeq): Try[I2b2SubQueryConstraint] = {
import NodeSeqEnrichments.Strictness._
for {
id <- xml.withChild("query_id").map(_.text)
joinColumn <- xml.withChild("join_column").map(_.text)
aggregateOperator <- xml.withChild("aggregate_operator").map(_.text)
} yield {
I2b2SubQueryConstraint(id, joinColumn, aggregateOperator)
}
}
}
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