01: /*
02:
03: Derby - Class org.apache.derby.iapi.services.stream.InfoStreams
04:
05: Licensed to the Apache Software Foundation (ASF) under one or more
06: contributor license agreements. See the NOTICE file distributed with
07: this work for additional information regarding copyright ownership.
08: The ASF licenses this file to you under the Apache License, Version 2.0
09: (the "License"); you may not use this file except in compliance with
10: the License. You may obtain a copy of the License at
11:
12: http://www.apache.org/licenses/LICENSE-2.0
13:
14: Unless required by applicable law or agreed to in writing, software
15: distributed under the License is distributed on an "AS IS" BASIS,
16: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: See the License for the specific language governing permissions and
18: limitations under the License.
19:
20: */
21:
22: package org.apache.derby.iapi.services.stream;
23:
24: /**
25: *
26: * The Basic Services provide InfoStreams for reporting
27: * information.
28: * <p>
29: * When creating a message for a stream,
30: * you can create an initial entry with header information
31: * and then append to it as many times as desired.
32: * <p>
33: *
34: * @see HeaderPrintWriter
35: * @author ames
36: */
37: public interface InfoStreams {
38:
39: /**
40: Return the default stream. If the default stream could not be set up as requested then
41: it points indirectly to System.err.
42: *
43: * @return the default stream.
44: */
45: HeaderPrintWriter stream();
46: }
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