com.datamountaineer.streamreactor.connect.bloomberg.SubscriptionInfo.scala Maven / Gradle / Ivy

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/*
 * Copyright 2017 Datamountaineer.
 *
 * Licensed 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 com.datamountaineer.streamreactor.connect.bloomberg

/**
  * Holds the ticker and the fields to receive data for
  *
  * @param ticket The ticker/security identifier (i.e. '/ticker/GOOG US Equity'/'MSFT US Equity')
  * @param fields Sequence of fields to receive data for
  */
case class SubscriptionInfo(ticket: String, fields: Seq[String], subscription: String = "") {
  override def toString : String = if(subscription=="") s"$ticket?fields=${fields.mkString(",")}" else subscription
}

/**
  * From the configuration it will provide a sequence of SubscriptionInfo. The configuration template is
  * ticker1?fields=FIELD1,FIELD2,..[&interval=5.0];ticker2?fields=FIELD11,FIELD12,..;ticker3?fields=FIELD31,FIELD31,...
  * All the allowed fields are defined by BloombergConstants.SubscriptionFields
  */
object SubscriptionInfoExtractFn {
  def apply(source: String): Seq[SubscriptionInfo] = {
    require(source != null && source.trim.nonEmpty, "Invalid subscription setting.The format is 
      val index = subscription.indexOf("?")
      if (index < 0) {
        throw new IllegalArgumentException(s"Invalid configuration [$subscription]. Missing ?. The format is