| 1 | // SECTION-START[License Header] |
| 2 | // <editor-fold defaultstate="collapsed" desc=" Generated License "> |
| 3 | /* |
| 4 | * Java Object Management and Configuration |
| 5 | * Copyright (C) Christian Schulte, 2011-313 |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * o Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * |
| 15 | * o Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in |
| 17 | * the documentation and/or other materials provided with the |
| 18 | * distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 21 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
| 22 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | * |
| 31 | * $JOMC: RuntimeProperties.java 4712 2013-01-02 13:56:12Z schulte $ |
| 32 | * |
| 33 | */ |
| 34 | // </editor-fold> |
| 35 | // SECTION-END |
| 36 | package org.jomc.ri.model; |
| 37 | |
| 38 | import java.util.Map; |
| 39 | import javax.xml.bind.annotation.XmlTransient; |
| 40 | import org.jomc.model.Properties; |
| 41 | import org.jomc.model.Property; |
| 42 | import org.jomc.model.PropertyReference; |
| 43 | import static org.jomc.ri.model.RuntimeModelObjects.createMap; |
| 44 | |
| 45 | // SECTION-START[Documentation] |
| 46 | // <editor-fold defaultstate="collapsed" desc=" Generated Documentation "> |
| 47 | /** |
| 48 | * Runtime {@code Properties}. |
| 49 | * |
| 50 | * <dl> |
| 51 | * <dt><b>Identifier:</b></dt><dd>org.jomc.ri.model.RuntimeProperties</dd> |
| 52 | * <dt><b>Name:</b></dt><dd>JOMC ⁑ RI ⁑ RuntimeProperties</dd> |
| 53 | * <dt><b>Specifications:</b></dt> |
| 54 | * <dd>org.jomc.ri.model.RuntimeModelObject @ 1.2</dd> |
| 55 | * <dt><b>Abstract:</b></dt><dd>No</dd> |
| 56 | * <dt><b>Final:</b></dt><dd>No</dd> |
| 57 | * <dt><b>Stateless:</b></dt><dd>No</dd> |
| 58 | * </dl> |
| 59 | * |
| 60 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> 1.2 |
| 61 | * @version 1.2 |
| 62 | */ |
| 63 | // </editor-fold> |
| 64 | // SECTION-END |
| 65 | // SECTION-START[Annotations] |
| 66 | // <editor-fold defaultstate="collapsed" desc=" Generated Annotations "> |
| 67 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.4", comments = "See http://www.jomc.org/jomc/1.4/jomc-tools-1.4" ) |
| 68 | // </editor-fold> |
| 69 | // SECTION-END |
| 70 | public class RuntimeProperties extends Properties implements RuntimeModelObject |
| 71 | { |
| 72 | // SECTION-START[RuntimeProperties] |
| 73 | |
| 74 | /** Cache map. */ |
| 75 | @XmlTransient |
| 76 | private transient final Map<String, Property> propertiesByNameCache = createMap(); |
| 77 | |
| 78 | /** Cache map. */ |
| 79 | @XmlTransient |
| 80 | private transient final Map<String, PropertyReference> referencesByNameCache = createMap(); |
| 81 | |
| 82 | /** |
| 83 | * Creates a new {@code RuntimeProperties} instance by deeply copying a given {@code Properties} instance. |
| 84 | * |
| 85 | * @param properties The instance to copy. |
| 86 | * |
| 87 | * @throws NullPointerException if {@code properties} is {@code null}. |
| 88 | */ |
| 89 | public RuntimeProperties( final Properties properties ) |
| 90 | { |
| 91 | super( properties ); |
| 92 | |
| 93 | if ( this.getAuthors() != null ) |
| 94 | { |
| 95 | this.setAuthors( RuntimeModelObjects.getInstance().copyOf( this.getAuthors() ) ); |
| 96 | } |
| 97 | if ( this.getDocumentation() != null ) |
| 98 | { |
| 99 | this.setDocumentation( RuntimeModelObjects.getInstance().copyOf( this.getDocumentation() ) ); |
| 100 | } |
| 101 | |
| 102 | this.copyProperties(); |
| 103 | this.copyReferences(); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Gets a property for a given name from the list of properties. |
| 108 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 109 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 110 | * the outcome of that query for use on successive calls.</p> |
| 111 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 112 | * state of the instance, should the state of the instance change.</p> |
| 113 | * |
| 114 | * @param name The name of the property to return. |
| 115 | * |
| 116 | * @return The first matching property or {@code null}, if no such property is found. |
| 117 | * |
| 118 | * @throws NullPointerException if {@code name} is {@code null}. |
| 119 | * |
| 120 | * @see #getProperty() |
| 121 | * @see Property#getName() |
| 122 | * @see #clear() |
| 123 | */ |
| 124 | @Override |
| 125 | public Property getProperty( final String name ) |
| 126 | { |
| 127 | if ( name == null ) |
| 128 | { |
| 129 | throw new NullPointerException( "name" ); |
| 130 | } |
| 131 | |
| 132 | synchronized ( this.propertiesByNameCache ) |
| 133 | { |
| 134 | Property p = this.propertiesByNameCache.get( name ); |
| 135 | |
| 136 | if ( p == null && !this.propertiesByNameCache.containsKey( name ) ) |
| 137 | { |
| 138 | p = super.getProperty( name ); |
| 139 | this.propertiesByNameCache.put( name, p ); |
| 140 | } |
| 141 | |
| 142 | return p; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Gets a property reference for a given name from the list of references. |
| 148 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 149 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 150 | * the outcome of that query for use on successive calls.</p> |
| 151 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 152 | * state of the instance, should the state of the instance change.</p> |
| 153 | * |
| 154 | * @param name The name of the property reference to return. |
| 155 | * |
| 156 | * @return The first matching property reference or {@code null}, if no such reference is found. |
| 157 | * |
| 158 | * @throws NullPointerException if {@code name} is {@code null}. |
| 159 | * |
| 160 | * @see #getReference() |
| 161 | * @see PropertyReference#getName() |
| 162 | * @see #clear() |
| 163 | */ |
| 164 | @Override |
| 165 | public PropertyReference getReference( final String name ) |
| 166 | { |
| 167 | if ( name == null ) |
| 168 | { |
| 169 | throw new NullPointerException( "name" ); |
| 170 | } |
| 171 | |
| 172 | synchronized ( this.referencesByNameCache ) |
| 173 | { |
| 174 | PropertyReference r = this.referencesByNameCache.get( name ); |
| 175 | |
| 176 | if ( r == null && !this.referencesByNameCache.containsKey( name ) ) |
| 177 | { |
| 178 | r = super.getReference( name ); |
| 179 | this.referencesByNameCache.put( name, r ); |
| 180 | } |
| 181 | |
| 182 | return r; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | private void copyProperties() |
| 187 | { |
| 188 | for ( int i = 0, s0 = this.getProperty().size(); i < s0; i++ ) |
| 189 | { |
| 190 | final Property p = this.getProperty().get( i ); |
| 191 | this.getProperty().set( i, RuntimeModelObjects.getInstance().copyOf( p ) ); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | private void copyReferences() |
| 196 | { |
| 197 | for ( int i = 0, s0 = this.getReference().size(); i < s0; i++ ) |
| 198 | { |
| 199 | final PropertyReference r = this.getReference().get( i ); |
| 200 | this.getReference().set( i, RuntimeModelObjects.getInstance().copyOf( r ) ); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | // SECTION-END |
| 205 | // SECTION-START[RuntimeModelObject] |
| 206 | public void gc() |
| 207 | { |
| 208 | this.gcOrClear( true, false ); |
| 209 | } |
| 210 | |
| 211 | public void clear() |
| 212 | { |
| 213 | synchronized ( this.propertiesByNameCache ) |
| 214 | { |
| 215 | this.propertiesByNameCache.clear(); |
| 216 | } |
| 217 | synchronized ( this.referencesByNameCache ) |
| 218 | { |
| 219 | this.referencesByNameCache.clear(); |
| 220 | } |
| 221 | |
| 222 | this.gcOrClear( false, true ); |
| 223 | } |
| 224 | |
| 225 | private void gcOrClear( final boolean gc, final boolean clear ) |
| 226 | { |
| 227 | if ( this.getAuthors() instanceof RuntimeModelObject ) |
| 228 | { |
| 229 | if ( gc ) |
| 230 | { |
| 231 | ( (RuntimeModelObject) this.getAuthors() ).gc(); |
| 232 | } |
| 233 | if ( clear ) |
| 234 | { |
| 235 | ( (RuntimeModelObject) this.getAuthors() ).clear(); |
| 236 | } |
| 237 | } |
| 238 | if ( this.getDocumentation() instanceof RuntimeModelObject ) |
| 239 | { |
| 240 | if ( gc ) |
| 241 | { |
| 242 | ( (RuntimeModelObject) this.getDocumentation() ).gc(); |
| 243 | } |
| 244 | if ( clear ) |
| 245 | { |
| 246 | ( (RuntimeModelObject) this.getDocumentation() ).clear(); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | this.gcOrClearProperties( gc, clear ); |
| 251 | this.gcOrClearReferences( gc, clear ); |
| 252 | } |
| 253 | |
| 254 | private void gcOrClearProperties( final boolean gc, final boolean clear ) |
| 255 | { |
| 256 | for ( int i = 0, s0 = this.getProperty().size(); i < s0; i++ ) |
| 257 | { |
| 258 | final Property p = this.getProperty().get( i ); |
| 259 | if ( p instanceof RuntimeModelObject ) |
| 260 | { |
| 261 | if ( gc ) |
| 262 | { |
| 263 | ( (RuntimeModelObject) p ).gc(); |
| 264 | } |
| 265 | if ( clear ) |
| 266 | { |
| 267 | ( (RuntimeModelObject) p ).clear(); |
| 268 | } |
| 269 | } |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | private void gcOrClearReferences( final boolean gc, final boolean clear ) |
| 274 | { |
| 275 | for ( int i = 0, s0 = this.getReference().size(); i < s0; i++ ) |
| 276 | { |
| 277 | final PropertyReference r = this.getReference().get( i ); |
| 278 | if ( r instanceof RuntimeModelObject ) |
| 279 | { |
| 280 | if ( gc ) |
| 281 | { |
| 282 | ( (RuntimeModelObject) r ).gc(); |
| 283 | } |
| 284 | if ( clear ) |
| 285 | { |
| 286 | ( (RuntimeModelObject) r ).clear(); |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | // SECTION-END |
| 293 | // SECTION-START[Constructors] |
| 294 | // <editor-fold defaultstate="collapsed" desc=" Generated Constructors "> |
| 295 | /** Creates a new {@code RuntimeProperties} instance. */ |
| 296 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.4", comments = "See http://www.jomc.org/jomc/1.4/jomc-tools-1.4" ) |
| 297 | public RuntimeProperties() |
| 298 | { |
| 299 | // SECTION-START[Default Constructor] |
| 300 | super(); |
| 301 | // SECTION-END |
| 302 | } |
| 303 | // </editor-fold> |
| 304 | // SECTION-END |
| 305 | // SECTION-START[Dependencies] |
| 306 | // SECTION-END |
| 307 | // SECTION-START[Properties] |
| 308 | // SECTION-END |
| 309 | // SECTION-START[Messages] |
| 310 | // SECTION-END |
| 311 | } |