01: /*
02: * Copyright (c) 2001-2007, Jean Tessier
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: *
09: * * Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: *
12: * * Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * * Neither the name of Jean Tessier nor the names of his contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: package com.jeantessier.metrics;
34:
35: import java.util.*;
36:
37: /**
38: * <p>Accumulates entries in submetrics, filtering with regular
39: * expressions. If no regular expressions are given, matches
40: * everything for the given measurement, which must implement
41: * the <code>CollectionMeasurement</code> interface. Regular
42: * expressions matching using <code>Perl5Util</code> from
43: * Jakarta-ORO. This measurement will use
44: * <code>Perl5Util.group(1)</code> if not null, otherwise the
45: * full string.</p>
46: *
47: * <p>This is the syntax for initializing this type of
48: * measurement:</p>
49: *
50: * <pre>
51: * <init>
52: * measurement name [perl regular expression]
53: * ...
54: * </init>
55: * </pre>
56: */
57: public class SubMetricsAccumulatorMeasurement extends
58: AccumulatorMeasurement {
59: public SubMetricsAccumulatorMeasurement(
60: MeasurementDescriptor descriptor, Metrics context,
61: String initText) {
62: super (descriptor, context, initText);
63: }
64:
65: public void accept(MeasurementVisitor visitor) {
66: visitor.visitSubMetricsAccumulatorMeasurement(this );
67: }
68:
69: protected void populateValues() {
70: for (Metrics metrics : getContext().getSubMetrics()) {
71: filterMetrics(metrics);
72: }
73: }
74: }
|