/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.scala.dsl

import java.util.concurrent.ExecutorService
import java.util.concurrent.ScheduledExecutorService
import org.apache.camel.model.AggregateDefinition
import org.apache.camel.processor.aggregate.AggregationStrategy
import org.apache.camel.scala.dsl.builder.RouteBuilder
import org.apache.camel.Exchange
import org.apache.camel.scala.Period

/**
 * Scala wrapper for Camel AggregateDefinition
 */
case class SAggregateDefinition(override val target: AggregateDefinition)(implicit val builder: RouteBuilder) extends SAbstractDefinition[AggregateDefinition] {
  
  def strategy(function: (Exchange, Exchange) => Exchange) = {
    target.setAggregationStrategy(
      new AggregationStrategy() {
        def aggregate(oldExchange: Exchange, newExchange: Exchange) = function(oldExchange, newExchange)
      }
    )
    this
  }

  def strategy(strategy: AggregationStrategy) = wrap(target.setAggregationStrategy(strategy))

  def aggregationRepositoryRef(ref: String) = wrap(target.setAggregationRepositoryRef(ref))
  def strategyRef(ref: String) = wrap(target.setStrategyRef(ref))

  def completionSize(count: Int) = wrap(target.completionSize(count))
  def completionTimeout(period: Period) = wrap(target.setCompletionTimeout(period.milliseconds))

  def closeCorrelationKeyOnCompletion(count: Int) = wrap(target.setCloseCorrelationKeyOnCompletion(count))
  def parallelProcessing = wrap(target.parallelProcessing)
  def completionFromBatchConsumer = wrap(target.completionFromBatchConsumer)
  def eagerCheckCompletion = wrap(target.eagerCheckCompletion)
  def ignoreInvalidCorrelationKeys = wrap(target.ignoreInvalidCorrelationKeys)
  def groupExchanges = wrap(target.groupExchanges)
 
  def discardOnCompletionTimeout = wrap(target.discardOnCompletionTimeout)
  def forceCompletionOnStop = wrap(target.forceCompletionOnStop())
  def timeoutCheckerExecutorService(executorService: ScheduledExecutorService) 
      = wrap(target.setTimeoutCheckerExecutorService(executorService))
  def executorService(executorService: ExecutorService) = wrap(target.setExecutorService(executorService))
  def executorServiceRef(ref: String) = wrap(target.setExecutorServiceRef(ref))
  
  def completionPredicate(filter: Exchange => Any) {
     // uses implicit conversion
     val predicate = filter
     target.completionPredicate(predicate)
  }

  override def wrap(block: => Unit) = super.wrap(block).asInstanceOf[SAggregateDefinition]
}
