| /* |
| * 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.ode.bpel.engine; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.ode.bpel.dao.MessageDAO; |
| import org.apache.ode.bpel.dao.MessageExchangeDAO; |
| import org.apache.ode.bpel.iapi.BpelEngineException; |
| import org.apache.ode.bpel.iapi.EndpointReference; |
| import org.apache.ode.bpel.iapi.Message; |
| import org.apache.ode.bpel.iapi.MessageExchange; |
| import org.apache.ode.utils.msg.MessageBundle; |
| import org.w3c.dom.Element; |
| |
| import javax.wsdl.Operation; |
| import javax.wsdl.PortType; |
| import javax.xml.namespace.QName; |
| import java.util.Set; |
| |
| abstract class MessageExchangeImpl implements MessageExchange { |
| |
| private static final Log __log = LogFactory.getLog(MessageExchangeImpl.class); |
| protected static final Messages __msgs = MessageBundle.getMessages(Messages.class); |
| |
| /** Process-Instance identifier.*/ |
| protected Long _iid; |
| |
| protected PortType _portType; |
| protected Operation _operation; |
| |
| protected final BpelEngineImpl _engine; |
| |
| protected EndpointReference _epr; |
| |
| protected MessageExchangeDAO _dao; |
| |
| /** |
| * Constructor: requires the minimal information for a message exchange. |
| */ |
| MessageExchangeImpl(BpelEngineImpl engine, |
| MessageExchangeDAO dao, |
| MessageExchangePattern pattern, |
| String opname, |
| EndpointReference epr) { |
| _engine = engine; |
| _dao = dao; |
| _epr = epr; |
| |
| getDAO().setPattern(pattern.toString()); |
| getDAO().setOperation(opname); |
| if (epr != null) |
| getDAO().setEPR(epr.toXML().getDocumentElement()); |
| } |
| |
| public MessageExchangeImpl(BpelEngineImpl engine, |
| MessageExchangeDAO dao) { |
| _engine = engine; |
| _dao = dao; |
| } |
| |
| |
| public String getMessageExchangeId() throws BpelEngineException { |
| return getDAO().getMessageExchangeId(); |
| } |
| |
| public String getOperationName() throws BpelEngineException { |
| return getDAO().getOperation(); |
| } |
| |
| public MessageExchangePattern getMessageExchangePattern() { |
| return MessageExchangePattern.valueOf(getDAO().getPattern()); |
| } |
| |
| public boolean isTransactionPropagated() throws BpelEngineException { |
| return getDAO().getPropagateTransactionFlag(); |
| } |
| |
| public Message getResponse() { |
| return new MessageImpl(getDAO().getResponse()); |
| } |
| |
| public QName getFault() { |
| return getDAO().getFault(); |
| } |
| |
| public Message getFaultResponse() { |
| return getResponse(); |
| } |
| |
| public String getFaultExplanation() { |
| return getDAO().getFaultExplanation(); |
| } |
| |
| public MessageExchangePattern getPattern() { |
| return MessageExchangePattern.valueOf(getDAO().getPattern()); |
| } |
| |
| public Status getStatus() { |
| return Status.valueOf(getDAO().getStatus()); |
| } |
| |
| public Message getRequest() { |
| return new MessageImpl(getDAO().getRequest()); |
| } |
| |
| public Operation getOperation() { |
| return _operation; |
| } |
| |
| public PortType getPortType() { |
| return _portType; |
| } |
| |
| /** |
| * Update the pattern of this message exchange. |
| * @param pattern |
| */ |
| void setPattern(MessageExchangePattern pattern) { |
| if (__log.isTraceEnabled()) |
| __log.trace("Mex[" + getMessageExchangeId() + "].setPattern("+pattern+")"); |
| getDAO().setPattern(pattern.toString()); |
| } |
| |
| |
| void setPortOp(PortType portType, Operation operation) { |
| if (__log.isTraceEnabled()) |
| __log.trace("Mex[" + getMessageExchangeId() + "].setPortOp(...)"); |
| _portType = portType; |
| _operation = operation; |
| } |
| |
| MessageExchangeDAO getDAO() { |
| return _dao; |
| } |
| |
| void setFault(QName faultType, Message outputFaultMessage) throws BpelEngineException { |
| setStatus(Status.FAULT); |
| getDAO().setFault(faultType); |
| getDAO().setResponse(((MessageImpl)outputFaultMessage)._dao); |
| } |
| |
| void setFaultExplanation(String explanation) { |
| getDAO().setFaultExplanation(explanation); |
| } |
| |
| void setResponse(Message outputMessage) throws BpelEngineException { |
| if (getStatus() != Status.REQUEST && getStatus()!=Status.ASYNC) |
| throw new IllegalStateException("Not in REQUEST state!"); |
| |
| setStatus(Status.RESPONSE); |
| getDAO().setFault(null); |
| getDAO().setResponse(((MessageImpl)outputMessage)._dao); |
| |
| // Meant to be overriden by subclasses when needed |
| responseReceived(); |
| } |
| |
| void setFailure(FailureType type, String reason, Element details) throws BpelEngineException { |
| // TODO not using FailureType, nor details |
| setStatus(Status.FAILURE); |
| getDAO().setFaultExplanation(reason); |
| } |
| |
| void setStatus(Status status) { |
| getDAO().setStatus(status.toString()); |
| } |
| |
| public Message createMessage(javax.xml.namespace.QName msgType) { |
| MessageDAO mdao = getDAO().createMessage(msgType); |
| return new MessageImpl(mdao); |
| } |
| |
| public void setEndpointReference(EndpointReference ref) { |
| _epr = ref; |
| if (ref != null) |
| getDAO().setEPR(ref.toXML().getDocumentElement()); |
| } |
| |
| public EndpointReference getEndpointReference() throws BpelEngineException { |
| if (_epr != null) return _epr; |
| if (getDAO().getEPR() == null) |
| return null; |
| |
| return _epr = _engine._contexts.eprContext.resolveEndpointReference(getDAO().getEPR()); |
| } |
| |
| |
| QName getServiceName() { |
| return getDAO().getCallee(); |
| } |
| |
| public String getProperty(String key) { |
| String val = getDAO().getProperty(key); |
| if (__log.isDebugEnabled()) |
| __log.debug("GET MEX property " + key + " = " + val); |
| return val; |
| } |
| |
| public void setProperty(String key, String value) { |
| getDAO().setProperty(key,value); |
| if (__log.isDebugEnabled()) |
| __log.debug("SET MEX property " + key + " = " + value); |
| } |
| |
| public Set<String> getPropertyNames() { |
| return getDAO().getPropertyNames(); |
| } |
| |
| public int getSubscriberCount() { |
| return getDAO().getSubscriberCount(); |
| } |
| |
| public void setSubscriberCount(int subscriberCount) { |
| getDAO().setSubscriberCount(subscriberCount); |
| } |
| |
| public void release() { |
| __log.debug("Releasing mex " + getMessageExchangeId()); |
| // for a one-way, message exchanges are always deleted |
| _dao.release(true); |
| _dao = null; |
| } |
| |
| public String toString() { |
| return "MEX["+getDAO().getMessageExchangeId() +"]"; |
| } |
| |
| protected void responseReceived() { |
| // Nothing to do here, just opening the possibility of overriding |
| } |
| } |