TradeActionManager.java

/**
 *  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.geronimo.samples.daytrader.core;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Random;
import org.apache.geronimo.samples.daytrader.beans.AccountDataBean;
import org.apache.geronimo.samples.daytrader.beans.AccountProfileDataBean;
import org.apache.geronimo.samples.daytrader.beans.HoldingDataBean;
import org.apache.geronimo.samples.daytrader.beans.OrderDataBean;
import org.apache.geronimo.samples.daytrader.beans.QuoteDataBean;
import org.apache.geronimo.samples.daytrader.core.direct.TradeJDBCDirect;
import org.apache.geronimo.samples.daytrader.core.direct.TradeJEEDirect;
import org.apache.geronimo.samples.daytrader.core.direct.TradeJPADirect;
import org.apache.geronimo.samples.daytrader.core.MarketSummaryDataBean;
import org.apache.geronimo.samples.daytrader.core.RunStatsDataBean;
import org.apache.geronimo.samples.daytrader.core.*;
import org.apache.geronimo.samples.daytrader.util.*;
import akka.actor.*;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.Props;
import akka.actor.UntypedActor;
import akka.actor.UntypedActorFactory;
import akka.routing.RoundRobinRouter;
import akka.util.Duration;
import java.util.concurrent.TimeUnit;
import akka.util.Timeout;
import com.typesafe.config.*;
import akka.actor.TypedActor;
import akka.dispatch.*;
import akka.japi.*;

/**
 * TradeConfig is a JavaBean holding all configuration and runtime parameters for the Trade application
 * TradeConfig sets runtime parameters such as the RunTimeMode (EJB3, DIRECT, SESSION3, JDBC, JPA)
 *
 */

public class TradeActionManager {


	public static int MAX_TRADE_ACTION_ACTORS = 10;

	//private static ActorRef[] TradeActionActorRefList; 
	private static TradeServices[] TradeActionList; 
	//private static ActorRef TradeActionRouter;
	private static Object TradeAction_count_semaphore = new Object();
	private static Object TradeActionManager_semaphore = new Object();
	private static int TradeAction_count = 0;
	public static int isInitialized =0;
	
	private static String conf = "	my-thread-pool-dispatcher {\n# Dispatcher is the name of the event-based dispatcher\ntype = BalancingDispatcher\n# What kind of ExecutionService to use\nexecutor = \"thread-pool-executor\"\n# Configuration for the thread pool\nthread-pool-executor {\n# minimum number of threads to cap factor-based core number to\ncore-pool-size-min = 2\n# No of core threads ... ceil(available processors * factor)\ncore-pool-size-factor = 2.0\n" + "# maximum number of threads to cap factor-based number to\ncore-pool-size-max = 10\n}\n# Throughput defines the maximum number of messages to be\n# processed per actor before the thread jumps to the next actor.\n# Set to 1 for as fair as possible.\nthroughput = 100\n}\n";
	private static Config customConf = ConfigFactory.parseString(conf);
	private static ActorSystem system;
	public static void getTradeActionActors() {
		synchronized (TradeAction_count_semaphore) {
			if(isInitialized == 1)
			{
				return;
			}
			try {
  				TradeAction tradeaction;
				MAX_TRADE_ACTION_ACTORS = TradeConfig.getMAX_QUOTES_WORKERS();
				system = ActorSystem.create(String.format("TradeActionActorSystem"),ConfigFactory.load(customConf));
				
				isInitialized = 2;
				TradeActionList = new TradeServices[MAX_TRADE_ACTION_ACTORS];
				for (int i = 0; i < MAX_TRADE_ACTION_ACTORS; i++) {

    					TradeActionList[i] =
							TypedActor.get(system).typedActorOf((new TypedProps<TradeAction>(TradeServices.class, TradeAction.class).withDispatcher("my-thread-pool-dispatcher") ).withTimeout(new Timeout(100000)));
					 
				}
				isInitialized =1;
				System.out.println(String.format("\n\tTRADE ACTION MANAGER CREATION - END"));
			} catch(Exception e) {
				System.out.println(e.toString());
			}
		}

 	}
	
	
	public static TradeServices getTradeAction() {
	  TradeAction tradeaction;
	  TradeServices ts;
	  synchronized (TradeAction_count_semaphore) {
	  	ts = (TradeActionList[TradeAction_count]);
	  	TradeAction_count++;
    		if (TradeAction_count % MAX_TRADE_ACTION_ACTORS == 0) {
				TradeAction_count = 0;
			}
		}
		return ts;
	}	
	

}