io.xtech.babel.camel.EnricherDSL.scala Maven / Gradle / Ivy
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/*
*
* Copyright 2010-2014 Crossing-Tech SA, EPFL QI-J, CH-1015 Lausanne, Switzerland.
* All rights reserved.
*
* ==================================================================================
*/
package io.xtech.babel.camel
import io.xtech.babel.camel.model._
import io.xtech.babel.fish.model.Sink
import io.xtech.babel.fish.{ BaseDSL, DSL2BaseDSL }
import org.apache.camel.processor.aggregate.AggregationStrategy
import scala.language.implicitConversions
import scala.reflect.ClassTag
/**
* DSL adding the enrichment keywords.
* @param baseDsl
* @param evidence$1
* @tparam I
*/
private[camel] class EnricherDSL[I: ClassTag](protected val baseDsl: BaseDSL[I]) extends DSL2BaseDSL[I] {
private val deprecationMessage = "enrichment with AggregationStrategy is deprecated for validation issue." +
"Please use the enrichment with a function"
/**
* Enrich a message with the data coming from an endpoint using request-reply pattern.
* @param sink the endpoint.
* @param aggregationStrategyRef a reference of a bean from a Registry (ex: Spring Application Context).
* how the original message and the message coming from the endpoint are aggregated.
* @param c converts the endpoint to a Sink.
* @tparam O the output type of the enrichment.
* @tparam S the native type of the Sink.
* @return the possibility to add other steps to the current DSL.
*/
def enrichRef[O: ClassTag, S](sink: S, aggregationStrategyRef: String)(implicit c: S => Sink[I, O]): BaseDSL[O] = {
EnrichDefinition(sink, Left(aggregationStrategyRef))
}
/**
* Enrich a message with the data coming from an endpoint using request-reply pattern.
* @param sink the endpoint.
* @param strategy an instance of an AggregationStrategy that know
* how the original message and the message coming from the endpoint are aggregated.
* @param c converts the endpoint to a Sink.
* @tparam O the output type of the enrichment.
* @tparam S the native type of the Sink.
* @return the possibility to add other steps to the current DSL.
*/
@deprecated(deprecationMessage)
def enrich[O: ClassTag, S](sink: S, strategy: AggregationStrategy)(implicit c: S => Sink[I, O]): BaseDSL[O] = {
EnrichDefinition(sink, Right(strategy))
}
/**
* Enrich a message with the data coming from an endpoint using request-reply pattern.
* @param sink the endpoint.
* @param aggregationFunction a function that know
* how the original message and the message coming from the endpoint are aggregated.
* @param convert converts the endpoint to a Sink.
* @tparam O the output type of the enrichment.
* @tparam S the native type of the Sink.
* @return the possibility to add other steps to the current DSL.
*/
def enrich[O: ClassTag, S, T: ClassTag](sink: S, aggregationFunction: (I, O) => T)(implicit convert: S => Sink[I, O]): BaseDSL[T] = {
EnrichDefinition(sink, Right(new EnrichBodyAggregationStrategy(aggregationFunction)))
}
/**
* Enrich a message with data coming from an enpoint. The pollEnrich keyword is polling the endpoint.
* @param sink the endpoint.
* @param strategy a reference of a bean from a Registry (ex: Spring Application Context).
* how the original message and the message coming from the endpoint are aggregated.
* @param timeout the timeout when polling the endpoint in milliseconds.
* Possible values : -1 (block until there is a message,
* 0 don't wait and return immediately, otherwise wait a specific period of time.
* @param c converts the endpoint to a Sink.
* @tparam O the output type of the enrichment.
* @tparam S the native type of the Sink.
* @return the possibility to add other steps to the current DSL.
*/
@deprecated(deprecationMessage)
def pollEnrichRef[O: ClassTag, S](sink: S, strategy: String, timeout: Int = -1)(implicit c: S => Sink[I, O]): BaseDSL[O] = {
PollEnrichDefinition(sink, Left(strategy), timeout)
}
/**
* Enrich a message with data coming from an enpoint. The pollEnrich keyword is polling the endpoint.
* @param sink the endpoint.
* @param strategy an instance of an AggregationStrategy that know
* how the original message and the message coming from the endpoint are aggregated.
* @param timeout the timeout when polling the endpoint in milliseconds.
* Possible values : -1 (block until there is a message,
* 0 don't wait and return immediately, otherwise wait a specific period of time.
* @param c converts the endpoint to a Sink.
* @tparam O the output type of the enrichment.
* @tparam S the native type of the Sink.
* @return the possibility to add other steps to the current DSL.
*/
@deprecated(deprecationMessage)
def pollEnrichAggregation[O: ClassTag, S](sink: S, strategy: AggregationStrategy, timeout: Int = -1)(implicit c: S => Sink[I, O]): BaseDSL[O] = {
PollEnrichDefinition(sink, Right(strategy), timeout)
}
/**
* Enrich a message with data coming from an enpoint. The pollEnrich keyword is polling the endpoint.
* @param sink the endpoint.
* @param aggregationFunction a Function that know
* how the original message and the message coming from the endpoint are aggregated.
* @param timeout the timeout when polling the endpoint in milliseconds.
* Possible values : -1 (block until there is a message, 0 don't wait and return immediately, otherwise wait a specific period of time.
* @param convert converts the endpoint to a Sink.
* @tparam O the output type of the enrichment.
* @tparam S the native type of the Sink.
* @return the possibility to add other steps to the current DSL.
*/
def pollEnrich[O: ClassTag, S, T: ClassTag](sink: S, aggregationFunction: Function2[I, O, T], timeout: Int = -1)(implicit convert: S => Sink[I, O]): BaseDSL[T] = {
PollEnrichDefinition(sink, Right(new EnrichBodyAggregationStrategy(aggregationFunction)), timeout)
}
}
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