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.core.service;
28:
29: import org.cougaar.core.component.Service;
30:
31: /**
32: * This service is used to log assessment events.
33: * <p>
34: * Events are intended for external profiling and monitoring
35: * applications and often follow a strict application-defined
36: * syntax. In contrast, {@link LoggingService} logs are primarily
37: * for human-readable debugging.
38: * <p>
39: * EventService clients should always check "isEventEnabled()"
40: * before logging an event, for the same reasons as noted
41: * in the LoggingService.
42: * <p>
43: * Events are currently equivalent to using the logging service
44: * with the "EVENT.<i>classname</i>" log category and INFO
45: * log level. For example, if component "org.foo.Bar" emits an
46: * event, it will be logged as category "EVENT.org.foo.Bar" and
47: * level INFO.
48: *
49: * @see LoggingService
50: */
51: public interface EventService extends Service {
52:
53: boolean isEventEnabled();
54:
55: void event(String s);
56:
57: void event(String s, Throwable t);
58:
59: }
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