| /** |
| * 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.component.quickfixj.examples.trading; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ThreadFactory; |
| |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Producer; |
| import org.apache.camel.component.quickfixj.QuickfixjEventCategory; |
| import org.apache.camel.component.quickfixj.converter.QuickfixjConverters; |
| import org.apache.camel.impl.DefaultComponent; |
| import org.apache.camel.impl.DefaultConsumer; |
| import org.apache.camel.impl.DefaultEndpoint; |
| import org.apache.camel.impl.DefaultProducer; |
| import org.apache.camel.util.ExchangeHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import quickfix.Message; |
| import quickfix.Message.Header; |
| import quickfix.SessionID; |
| import quickfix.field.SenderCompID; |
| import quickfix.field.SenderLocationID; |
| import quickfix.field.SenderSubID; |
| import quickfix.field.TargetCompID; |
| import quickfix.field.TargetLocationID; |
| import quickfix.field.TargetSubID; |
| |
| /** |
| * Adapts the TradeExecutor for use as a Camel endpoint. |
| * |
| * @see TradeExecutor |
| */ |
| public class TradeExecutorComponent extends DefaultComponent { |
| private static final Logger LOG = LoggerFactory.getLogger(TradeExecutorComponent.class); |
| |
| private Map<String, TradeExecutorEndpoint> endpoints = new HashMap<String, TradeExecutorEndpoint>(); |
| private final Executor executor; |
| |
| public TradeExecutorComponent() { |
| this(Executors.newCachedThreadPool(new TradeExecutorThreadFactory())); |
| } |
| |
| private static class TradeExecutorThreadFactory implements ThreadFactory { |
| public Thread newThread(Runnable r) { |
| Thread thread = new Thread(r, "Trade Executor"); |
| thread.setDaemon(true); |
| return thread; |
| } |
| } |
| |
| public TradeExecutorComponent(Executor executor) { |
| this.executor = executor; |
| } |
| |
| @Override |
| protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception { |
| synchronized (endpoints) { |
| Endpoint endpoint = endpoints.get(uri); |
| if (endpoint == null) { |
| endpoint = new TradeExecutorEndpoint(uri, new TradeExecutor()); |
| endpoints.put(uri, (TradeExecutorEndpoint) endpoint); |
| LOG.info("Created trade executor: " + uri); |
| } |
| return endpoint; |
| } |
| } |
| |
| private class TradeExecutorEndpoint extends DefaultEndpoint { |
| private final TradeExecutor tradeExecutor; |
| private List<Processor> processors = new CopyOnWriteArrayList<Processor>(); |
| |
| public TradeExecutorEndpoint(String uri, TradeExecutor tradeExecutor) { |
| super(uri, TradeExecutorComponent.this.getCamelContext()); |
| this.tradeExecutor = tradeExecutor; |
| tradeExecutor.addListener(new QuickfixjMessageListener() { |
| public void onMessage(SessionID sessionID, Message message) throws Exception { |
| // Inject session ID into message so produce will know where to send it |
| Header header = message.getHeader(); |
| setOptionalField(header, sessionID, SenderCompID.FIELD, sessionID.getTargetCompID()); |
| setOptionalField(header, sessionID, SenderSubID.FIELD, sessionID.getTargetSubID()); |
| setOptionalField(header, sessionID, SenderLocationID.FIELD, sessionID.getTargetLocationID()); |
| setOptionalField(header, sessionID, TargetCompID.FIELD, sessionID.getSenderCompID()); |
| setOptionalField(header, sessionID, TargetSubID.FIELD, sessionID.getSenderSubID()); |
| setOptionalField(header, sessionID, TargetLocationID.FIELD, sessionID.getSenderLocationID()); |
| |
| Exchange exchange = QuickfixjConverters.toExchange( |
| TradeExecutorEndpoint.this, sessionID, message, |
| QuickfixjEventCategory.AppMessageReceived); |
| |
| for (Processor processor : processors) { |
| processor.process(exchange); |
| } |
| } |
| |
| private void setOptionalField(Header header, SessionID sessionID, int tag, String value) { |
| if (value != null && value.length() > 0) { |
| header.setString(tag, value); |
| } |
| } |
| }); |
| } |
| |
| public Producer createProducer() throws Exception { |
| return new DefaultProducer(this) { |
| public void process(final Exchange exchange) throws Exception { |
| executor.execute(new Runnable() { |
| public void run() { |
| try { |
| tradeExecutor.execute(ExchangeHelper.getMandatoryInBody(exchange, Message.class)); |
| } catch (Exception e) { |
| log.error("Error during trade execution", e); |
| } |
| } |
| }); |
| } |
| }; |
| } |
| |
| public Consumer createConsumer(Processor processor) throws Exception { |
| return new DefaultConsumer(this, processor) { |
| @Override |
| protected void doStart() throws Exception { |
| processors.add(getProcessor()); |
| } |
| |
| protected void doStop() throws Exception { |
| processors.remove(getProcessor()); |
| } |
| }; |
| } |
| |
| public boolean isSingleton() { |
| return false; |
| } |
| } |
| } |