01: // Copyright 2006, 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.ioc;
16:
17: import org.apache.commons.logging.Log;
18:
19: /**
20: * Contains resources that may be provided to a service when it initializes, which includes other
21: * services defined in the registry. ServiceResources provides access to other services (it extends
22: * {@link org.apache.tapestry.ioc.ObjectLocator}).
23: */
24: public interface ServiceResources extends ObjectLocator {
25: /** Returns the fully qualified id of the service. */
26: String getServiceId();
27:
28: /** Returns the service interface implemented by the service. */
29: Class getServiceInterface();
30:
31: /**
32: * Returns a Log object appropriate for logging messages. This includes debug level messages
33: * about the creation and configuration of the underlying service, as well as debug, warning, or
34: * error level messages from the service itself. Often service interceptors will make use of the
35: * service's log.
36: */
37: Log getServiceLog();
38: }
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