01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26:
27: package org.cougaar.mts.base;
28:
29: import org.cougaar.core.component.ServiceBroker;
30: import org.cougaar.core.mts.MessageAttributes;
31: import org.cougaar.core.mts.MessageTransportClient;
32: import org.cougaar.core.service.LoggingService;
33: import org.cougaar.mts.std.AttributedMessage;
34:
35: /**
36: * The only current implementation of ReceiveLink. The implementation
37: * of <strong>deliverMessage</strong> invokes
38: * <strong>receiveMessage</strong> on the corresponding
39: * MessageTransportClient. */
40: public class ReceiveLinkImpl implements ReceiveLink {
41: private MessageTransportClient client;
42: private LoggingService loggingService;
43:
44: ReceiveLinkImpl(MessageTransportClient client, ServiceBroker sb) {
45: this .client = client;
46: loggingService = (LoggingService) sb.getService(this ,
47: LoggingService.class, null);
48: }
49:
50: public MessageAttributes deliverMessage(AttributedMessage message) {
51: MessageAttributes metadata = new MessageReply(message);
52: try {
53: client.receiveMessage(message.getRawMessage());
54: metadata.setAttribute(MessageAttributes.DELIVERY_ATTRIBUTE,
55: MessageAttributes.DELIVERY_STATUS_DELIVERED);
56: return metadata;
57: } catch (Throwable th) {
58: if (loggingService.isErrorEnabled())
59: loggingService
60: .error(
61: "MessageTransportClient threw an exception in receiveMessage, not retrying.",
62: th);
63: metadata.setAttribute(MessageAttributes.DELIVERY_ATTRIBUTE,
64: MessageAttributes.DELIVERY_STATUS_CLIENT_ERROR);
65: return metadata;
66: }
67:
68: }
69:
70: public MessageTransportClient getClient() {
71: return client;
72: }
73:
74: }
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