| 1 | /* |
| 2 | * Copyright (c) 2001-2009, Jean Tessier |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * * 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.lang.reflect.*; |
| 36 | |
| 37 | public class MeasurementDescriptor { |
| 38 | private static final Class constructorSignature[] = {MeasurementDescriptor.class, Metrics.class, String.class}; |
| 39 | |
| 40 | private String shortName; |
| 41 | private String longName; |
| 42 | private Class classFor; |
| 43 | private String initText; |
| 44 | private Comparable lowerThreshold; |
| 45 | private Comparable upperThreshold; |
| 46 | private boolean visible = true; |
| 47 | private boolean cached = true; |
| 48 | |
| 49 | public String getShortName() { |
| 50 | return shortName; |
| 51 | } |
| 52 | |
| 53 | public void setShortName(String shortName) { |
| 54 | this.shortName = shortName; |
| 55 | } |
| 56 | |
| 57 | public String getLongName() { |
| 58 | return longName; |
| 59 | } |
| 60 | |
| 61 | public void setLongName(String longName) { |
| 62 | this.longName = longName; |
| 63 | } |
| 64 | |
| 65 | public Class getClassFor() { |
| 66 | return classFor; |
| 67 | } |
| 68 | |
| 69 | public void setClassFor(Class classFor) { |
| 70 | if (classFor != null) { |
| 71 | this.classFor = classFor; |
| 72 | } else { |
| 73 | throw new IllegalArgumentException("class cannot be null"); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | public void getClassForByName(String className) throws ClassNotFoundException { |
| 78 | this.classFor = Class.forName(className); |
| 79 | } |
| 80 | |
| 81 | public String getInitText() { |
| 82 | return initText; |
| 83 | } |
| 84 | |
| 85 | public void setInitText(String initText) { |
| 86 | this.initText = initText; |
| 87 | } |
| 88 | |
| 89 | public Comparable getLowerThreshold() { |
| 90 | return lowerThreshold; |
| 91 | } |
| 92 | |
| 93 | public void setLowerThreshold(Comparable lowerThreshold) { |
| 94 | this.lowerThreshold = lowerThreshold; |
| 95 | } |
| 96 | |
| 97 | public Comparable getUpperThreshold() { |
| 98 | return upperThreshold; |
| 99 | } |
| 100 | |
| 101 | public void setUpperThreshold(Comparable upperThreshold) { |
| 102 | this.upperThreshold = upperThreshold; |
| 103 | } |
| 104 | |
| 105 | public boolean isVisible() { |
| 106 | return visible; |
| 107 | } |
| 108 | |
| 109 | public void setVisible(boolean visible) { |
| 110 | this.visible = visible; |
| 111 | } |
| 112 | |
| 113 | public boolean isCached() { |
| 114 | return cached; |
| 115 | } |
| 116 | |
| 117 | public void setCached(boolean cached) { |
| 118 | this.cached = cached; |
| 119 | } |
| 120 | |
| 121 | public Measurement createMeasurement() throws InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException { |
| 122 | return createMeasurement(null); |
| 123 | } |
| 124 | |
| 125 | public Measurement createMeasurement(Metrics context) throws InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException { |
| 126 | Measurement result = null; |
| 127 | |
| 128 | Constructor constructor = getClassFor().getConstructor(constructorSignature); |
| 129 | Object params[] = new Object[3]; |
| 130 | params[0] = this; |
| 131 | params[1] = context; |
| 132 | params[2] = getInitText(); |
| 133 | result = (Measurement) constructor.newInstance(params); |
| 134 | |
| 135 | return result; |
| 136 | } |
| 137 | |
| 138 | public String getRangeAsString() { |
| 139 | StringBuffer result = new StringBuffer(); |
| 140 | |
| 141 | result.append("["); |
| 142 | result.append((getLowerThreshold() != null) ? getLowerThreshold().toString() : "*"); |
| 143 | result.append(", "); |
| 144 | result.append((getUpperThreshold() != null) ? getUpperThreshold().toString() : "*"); |
| 145 | result.append("]"); |
| 146 | |
| 147 | return result.toString(); |
| 148 | } |
| 149 | } |