Java tutorial
/* * Copyright 2011-2014 EPAM Systems/B2BITS (http://www.b2bits.com). * * This file is part of STAFF. * * STAFF is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * STAFF is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with STAFF. If not, see <http://www.gnu.org/licenses/>. */ package com.btobits.automator.fix.ant.task; import com.btobits.automator.ant.annotation.AutoParamBean; import com.btobits.automator.ant.annotation.AutoParamBool; import com.btobits.automator.ant.annotation.AutoParamStr; import com.btobits.automator.ant.annotation.AutoParamTimeValue; import com.btobits.automator.ant.types.TimeValue; import com.btobits.automator.fix.quickfix.bridge.FixConnectivity; import com.btobits.automator.fix.quickfix.bridge.IConnectionListener; import com.btobits.automator.fix.utils.fix.FixSession; import junit.framework.Assert; import org.apache.commons.lang.StringUtils; import quickfix.Session; import quickfix.SessionID; import java.util.List; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; /** * @author Kirill_Mukhoiarov */ @AutoParamBean public final class FixDisconnectExpect extends BasicAntTask implements IConnectionListener { public final static String svnSignature = "$$Rev: 67588 $$ $$Date: 2014-10-28 14:02:42 +0200 (, 28 2014) $$ $$LastChangedBy: Alexander_Sereda $$"; /** * Any project element can be assigned an identifier using * its id attribute. In most cases the element can subsequently * be referenced by specifying the refid attribute on an * element of the same type. */ @AutoParamStr(xmlAttr = "refid") public String refId = null; @AutoParamTimeValue public TimeValue timeout = null; /** * FIX Session SenderCompID. */ @Deprecated @AutoParamStr(xmlAttr = "sender") public String senderCompId = null; /** * FIX Session TargetCompID. */ @Deprecated @AutoParamStr(xmlAttr = "target") public String targetCompId = null; /** * Session's FIX Protocol version. */ @Deprecated @AutoParamStr(xmlAttr = "type") public String fixVersion = null; private FixConnectivity conn = null; private FixSession fixSession = null; private final CountDownLatch waitDoneSignal = new CountDownLatch(1); private long startTime = 0L; @Override protected void validate() { Assert.assertTrue("Reference to FIX session is not specified", StringUtils.isNotBlank(refId)); final Object obj = getProject().getReference(refId); Assert.assertNotNull("RefId[" + refId + "]. Failed to get FIX session.", obj); Assert.assertTrue("RefId[" + refId + "]. Unknown FIX session mode: " + obj.getClass().getSimpleName(), (obj instanceof FixSession)); fixSession = (FixSession) obj; // get FIX connectivity object conn = fixSession.getConnectivity(); Assert.assertNotNull("RefId[" + refId + "]. getConnectivity() return NULL", conn); } @Override protected void runTestInstructions() throws Exception { Assert.assertTrue("FIX session with parameters [" + fixSession.getSessionID() + "] is not active", FixConnectivity.isSessionActive(fixSession.getSessionID())); conn.addConnectionListener(this); startTime = System.nanoTime(); } public String getSessionID() { return fixSession.getSessionID().toString(); } public boolean isDisconnectHappen() { try { final long sleepTime = TimeUnit.NANOSECONDS.convert(timeout.getDuration(), timeout.getUnit()) - (System.nanoTime() - startTime); log("Session [" + getSessionID() + "] disconnect waiting for period: " + TimeUnit.MILLISECONDS.convert(sleepTime, TimeUnit.NANOSECONDS) + " ms"); return waitDoneSignal.await(sleepTime, TimeUnit.NANOSECONDS); } catch (InterruptedException e) { return false; } finally { conn.removeConnectionListener(this); } } @Override public void sessionConnected(final List<SessionID> inSessionIDList) { } @Override public void sessionDisconnected(final List<SessionID> inSessionIDList) { for (final SessionID nextSessionID : inSessionIDList) { if (nextSessionID.equals(fixSession.getSessionID())) { waitDoneSignal.countDown(); } } } }