1 /*
2 * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 *
18 * Additionally licensed with:
19 *
20 * Licensed under the Apache License, Version 2.0 (the "License");
21 * you may not use this file except in compliance with the License.
22 * You may obtain a copy of the License at
23 *
24 * http://www.apache.org/licenses/LICENSE-2.0
25 *
26 * Unless required by applicable law or agreed to in writing, software
27 * distributed under the License is distributed on an "AS IS" BASIS,
28 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
29 * See the License for the specific language governing permissions and
30 * limitations under the License.
31 */
32 package org.spf4j.perf;
33
34 import javax.annotation.Nonnull;
35 import javax.annotation.concurrent.Immutable;
36 import javax.management.openmbean.CompositeType;
37 import javax.management.openmbean.OpenDataException;
38 import javax.management.openmbean.OpenType;
39 import org.spf4j.tsdb2.avro.Aggregation;
40 import org.spf4j.tsdb2.avro.MeasurementType;
41
42 /**
43 *
44 * @author zoly
45 */
46 @Immutable
47 public interface MeasurementsInfo {
48
49 @Nonnull
50 Object getMeasuredEntity();
51
52 @Nonnull
53 String getDescription();
54
55 String[] getMeasurementNames();
56
57 String[] getMeasurementUnits();
58
59 Aggregation[] getAggregations();
60
61 String getMeasurementName(int measurementNr);
62
63 String getMeasurementUnit(int measurementNr);
64
65 Aggregation getMeasurementAggregation(int measurementNr);
66
67 int getNumberOfMeasurements();
68
69 MeasurementType getMeasurementType();
70
71 default CompositeType toCompositeType() {
72 OpenType<?>[] types = new OpenType[getNumberOfMeasurements()];
73 for (int i = 0; i < types.length; i++) {
74 types[i] = javax.management.openmbean.SimpleType.LONG;
75 }
76 try {
77 String entityName = getMeasuredEntity().toString();
78 String description = getDescription();
79 if (description.isEmpty()) {
80 description = entityName;
81 }
82 return new CompositeType(entityName, description, getMeasurementNames(), getMeasurementUnits(), types);
83 } catch (OpenDataException ex) {
84 throw new IllegalArgumentException("Cannot convert to composite data " + this, ex);
85 }
86 }
87
88 }