Java tutorial
/* * Copyright (C) 2015 * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.cleverbus.core.common.asynch.confirm; import org.cleverbus.api.entity.ExternalCall; import org.cleverbus.api.entity.ExternalCallStateEnum; import org.cleverbus.api.entity.Message; import org.cleverbus.api.entity.MsgStateEnum; import org.cleverbus.common.log.Log; import org.cleverbus.core.common.dao.ExternalCallDao; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.transaction.annotation.Transactional; import org.springframework.util.Assert; /** * Implementation of {@link ConfirmationService} interface. * * @author <a href="mailto:petr.juza@cleverlance.com">Petr Juza</a> */ public class ConfirmationServiceImpl implements ConfirmationService { /** * Maximum count of confirmation fails when will finish further processing. */ @Value("${asynch.confirmation.failedLimit}") private int failedCountLimit; @Autowired private ExternalCallDao extCallDao; @Transactional @Override public ExternalCall insertFailedConfirmation(Message msg) { Assert.notNull(msg, "the msg must not be null"); Assert.notNull(msg.getState() == MsgStateEnum.OK || msg.getState() == MsgStateEnum.FAILED, "the msg must in state OK or FAILED, but state is " + msg.getState()); ExternalCall extCall = ExternalCall.createFailedConfirmation(msg); extCallDao.insert(extCall); Log.debug("Inserted confirmation failed call " + msg.toHumanString()); return extCall; } @Transactional @Override public void confirmationComplete(ExternalCall extCall) { Assert.notNull(extCall, "the extCall must not be null"); Assert.isTrue(ExternalCall.CONFIRM_OPERATION.equals(extCall.getOperationName()), "the extCall must be a " + ExternalCall.CONFIRM_OPERATION + ", but is " + extCall.getOperationName()); Assert.isTrue(extCall.getState() == ExternalCallStateEnum.PROCESSING, "the confirmation must be in PROCESSING state, but state is " + extCall.getState()); extCall.setState(ExternalCallStateEnum.OK); extCallDao.update(extCall); Log.debug("Confirmation call " + extCall.toHumanString() + " changed state to " + ExternalCallStateEnum.OK); } @Transactional @Override public void confirmationFailed(ExternalCall extCall) { Assert.notNull(extCall, "the extCall must not be null"); Assert.isTrue(ExternalCall.CONFIRM_OPERATION.equals(extCall.getOperationName()), "the extCall must be a " + ExternalCall.CONFIRM_OPERATION + ", but is " + extCall.getOperationName()); Assert.isTrue(extCall.getState() == ExternalCallStateEnum.PROCESSING, "the confirmation must be PROCESSING state, but is in " + extCall.getState()); int failedCount = extCall.getFailedCount() + 1; extCall.setFailedCount(failedCount); ExternalCallStateEnum state = ExternalCallStateEnum.FAILED; if (failedCount > failedCountLimit) { state = ExternalCallStateEnum.FAILED_END; } extCall.setState(state); extCallDao.update(extCall); Log.debug("Confirmation call " + extCall.toHumanString() + " changed state to " + state); } }