solr-4.6.0/docs/solr-core/org/apache/solr/util/ConcurrentLFUCache.html

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   8 ConcurrentLFUCache (Solr 4.6.0 API)
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  79   SUMMARY:&nbsp;<A HREF="#nested_class_summary">NESTED</A>&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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  89 <H2>
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  91 org.apache.solr.util</FONT>
  92 <BR>
  93 Class ConcurrentLFUCache&lt;K,V&gt;</H2>
  94 <PRE>
  95 <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
  96   <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.solr.util.ConcurrentLFUCache&lt;K,V&gt;</B>
  97 </PRE>
  98 <HR>
  99 <DL>
 100 <DT><PRE>public class <B>ConcurrentLFUCache&lt;K,V&gt;</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
 101 </PRE>
 102
 103 <P>
 104 A LFU cache implementation based upon ConcurrentHashMap.
 105  <p/>
 106  This is not a terribly efficient implementation.  The tricks used in the
 107  LRU version were not directly usable, perhaps it might be possible to
 108  rewrite them with LFU in mind.
 109  <p/>
 110  <b>This API is experimental and subject to change</b>
 111 <P>
 112
 113 <P>
 114 <DL>
 115 <DT><B>Since:</B></DT>
 116   <DD>solr 1.6</DD>
 117 </DL>
 118 <HR>
 119
 120 <P>
 121 <!-- ======== NESTED CLASS SUMMARY ======== -->
 122
 123 <A NAME="nested_class_summary"><!-- --></A>
 124 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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 126 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 127 <B>Nested Class Summary</B></FONT></TH>
 128 </TR>
 129 <TR BGCOLOR="white" CLASS="TableRowColor">
 130 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 131 <CODE>static&nbsp;interface</CODE></FONT></TD>
 132 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.EvictionListener.html" title="interface in org.apache.solr.util">ConcurrentLFUCache.EvictionListener</A>&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.EvictionListener.html" title="type parameter in ConcurrentLFUCache.EvictionListener">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.EvictionListener.html" title="type parameter in ConcurrentLFUCache.EvictionListener">V</A>&gt;</B></CODE>
 133
 134 <BR>
 135 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 136 </TR>
 137 <TR BGCOLOR="white" CLASS="TableRowColor">
 138 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 139 <CODE>static&nbsp;class</CODE></FONT></TD>
 140 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.Stats.html" title="class in org.apache.solr.util">ConcurrentLFUCache.Stats</A></B></CODE>
 141
 142 <BR>
 143 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 144 </TR>
 145 </TABLE>
 146 &nbsp;
 147 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 148
 149 <A NAME="constructor_summary"><!-- --></A>
 150 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 151 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 152 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 153 <B>Constructor Summary</B></FONT></TH>
 154 </TR>
 155 <TR BGCOLOR="white" CLASS="TableRowColor">
 156 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#ConcurrentLFUCache(int, int)">ConcurrentLFUCache</A></B>(int&nbsp;size,
 157                    int&nbsp;lowerWatermark)</CODE>
 158
 159 <BR>
 160 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 161 </TR>
 162 <TR BGCOLOR="white" CLASS="TableRowColor">
 163 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#ConcurrentLFUCache(int, int, int, int, boolean, boolean, org.apache.solr.util.ConcurrentLFUCache.EvictionListener, boolean)">ConcurrentLFUCache</A></B>(int&nbsp;upperWaterMark,
 164                    int&nbsp;lowerWaterMark,
 165                    int&nbsp;acceptableSize,
 166                    int&nbsp;initialSize,
 167                    boolean&nbsp;runCleanupThread,
 168                    boolean&nbsp;runNewThreadForCleanup,
 169                    <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.EvictionListener.html" title="interface in org.apache.solr.util">ConcurrentLFUCache.EvictionListener</A>&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt;&nbsp;evictionListener,
 170                    boolean&nbsp;timeDecay)</CODE>
 171
 172 <BR>
 173 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 174 </TR>
 175 </TABLE>
 176 &nbsp;
 177 <!-- ========== METHOD SUMMARY =========== -->
 178
 179 <A NAME="method_summary"><!-- --></A>
 180 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 181 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 182 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 183 <B>Method Summary</B></FONT></TH>
 184 </TR>
 185 <TR BGCOLOR="white" CLASS="TableRowColor">
 186 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 187 <CODE>&nbsp;void</CODE></FONT></TD>
 188 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#clear()">clear</A></B>()</CODE>
 189
 190 <BR>
 191 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 192 </TR>
 193 <TR BGCOLOR="white" CLASS="TableRowColor">
 194 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 195 <CODE>&nbsp;void</CODE></FONT></TD>
 196 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#destroy()">destroy</A></B>()</CODE>
 197
 198 <BR>
 199 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 200 </TR>
 201 <TR BGCOLOR="white" CLASS="TableRowColor">
 202 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 203 <CODE>protected &nbsp;void</CODE></FONT></TD>
 204 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#finalize()">finalize</A></B>()</CODE>
 205
 206 <BR>
 207 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 208 </TR>
 209 <TR BGCOLOR="white" CLASS="TableRowColor">
 210 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 211 <CODE>&nbsp;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A></CODE></FONT></TD>
 212 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#get(K)">get</A></B>(<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>&nbsp;key)</CODE>
 213
 214 <BR>
 215 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 216 </TR>
 217 <TR BGCOLOR="white" CLASS="TableRowColor">
 218 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 219 <CODE>&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt;</CODE></FONT></TD>
 220 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#getLeastUsedItems(int)">getLeastUsedItems</A></B>(int&nbsp;n)</CODE>
 221
 222 <BR>
 223 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns 'n' number of least used entries present in this cache.</TD>
 224 </TR>
 225 <TR BGCOLOR="white" CLASS="TableRowColor">
 226 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 227 <CODE>&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>,org.apache.solr.util.ConcurrentLFUCache.CacheEntry&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt;&gt;</CODE></FONT></TD>
 228 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#getMap()">getMap</A></B>()</CODE>
 229
 230 <BR>
 231 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 232 </TR>
 233 <TR BGCOLOR="white" CLASS="TableRowColor">
 234 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 235 <CODE>&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt;</CODE></FONT></TD>
 236 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#getMostUsedItems(int)">getMostUsedItems</A></B>(int&nbsp;n)</CODE>
 237
 238 <BR>
 239 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns 'n' number of most used entries present in this cache.</TD>
 240 </TR>
 241 <TR BGCOLOR="white" CLASS="TableRowColor">
 242 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 243 <CODE>&nbsp;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.Stats.html" title="class in org.apache.solr.util">ConcurrentLFUCache.Stats</A></CODE></FONT></TD>
 244 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#getStats()">getStats</A></B>()</CODE>
 245
 246 <BR>
 247 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 248 </TR>
 249 <TR BGCOLOR="white" CLASS="TableRowColor">
 250 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 251 <CODE>&nbsp;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A></CODE></FONT></TD>
 252 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#put(K, V)">put</A></B>(<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>&nbsp;key,
 253     <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&nbsp;val)</CODE>
 254
 255 <BR>
 256 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 257 </TR>
 258 <TR BGCOLOR="white" CLASS="TableRowColor">
 259 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 260 <CODE>&nbsp;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A></CODE></FONT></TD>
 261 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#remove(K)">remove</A></B>(<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>&nbsp;key)</CODE>
 262
 263 <BR>
 264 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 265 </TR>
 266 <TR BGCOLOR="white" CLASS="TableRowColor">
 267 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 268 <CODE>&nbsp;void</CODE></FONT></TD>
 269 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#setAlive(boolean)">setAlive</A></B>(boolean&nbsp;live)</CODE>
 270
 271 <BR>
 272 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 273 </TR>
 274 <TR BGCOLOR="white" CLASS="TableRowColor">
 275 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 276 <CODE>&nbsp;int</CODE></FONT></TD>
 277 <TD><CODE><B><A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html#size()">size</A></B>()</CODE>
 278
 279 <BR>
 280 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 281 </TR>
 282 </TABLE>
 283 &nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
 284 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 285 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 286 <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
 287 </TR>
 288 <TR BGCOLOR="white" CLASS="TableRowColor">
 289 <TD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
 290 </TR>
 291 </TABLE>
 292 &nbsp;
 293 <P>
 294
 295 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 296
 297 <A NAME="constructor_detail"><!-- --></A>
 298 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 299 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 300 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
 301 <B>Constructor Detail</B></FONT></TH>
 302 </TR>
 303 </TABLE>
 304
 305 <A NAME="ConcurrentLFUCache(int, int, int, int, boolean, boolean, org.apache.solr.util.ConcurrentLFUCache.EvictionListener, boolean)"><!-- --></A><H3>
 306 ConcurrentLFUCache</H3>
 307 <PRE>
 308 public <B>ConcurrentLFUCache</B>(int&nbsp;upperWaterMark,
 309                           int&nbsp;lowerWaterMark,
 310                           int&nbsp;acceptableSize,
 311                           int&nbsp;initialSize,
 312                           boolean&nbsp;runCleanupThread,
 313                           boolean&nbsp;runNewThreadForCleanup,
 314                           <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.EvictionListener.html" title="interface in org.apache.solr.util">ConcurrentLFUCache.EvictionListener</A>&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt;&nbsp;evictionListener,
 315                           boolean&nbsp;timeDecay)</PRE>
 316 <DL>
 317 </DL>
 318 <HR>
 319
 320 <A NAME="ConcurrentLFUCache(int, int)"><!-- --></A><H3>
 321 ConcurrentLFUCache</H3>
 322 <PRE>
 323 public <B>ConcurrentLFUCache</B>(int&nbsp;size,
 324                           int&nbsp;lowerWatermark)</PRE>
 325 <DL>
 326 </DL>
 327
 328 <!-- ============ METHOD DETAIL ========== -->
 329
 330 <A NAME="method_detail"><!-- --></A>
 331 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 332 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 333 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
 334 <B>Method Detail</B></FONT></TH>
 335 </TR>
 336 </TABLE>
 337
 338 <A NAME="setAlive(boolean)"><!-- --></A><H3>
 339 setAlive</H3>
 340 <PRE>
 341 public void <B>setAlive</B>(boolean&nbsp;live)</PRE>
 342 <DL>
 343 <DD><DL>
 344 </DL>
 345 </DD>
 346 </DL>
 347 <HR>
 348
 349 <A NAME="get(java.lang.Object)"><!-- --></A><A NAME="get(K)"><!-- --></A><H3>
 350 get</H3>
 351 <PRE>
 352 public <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A> <B>get</B>(<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>&nbsp;key)</PRE>
 353 <DL>
 354 <DD><DL>
 355 </DL>
 356 </DD>
 357 </DL>
 358 <HR>
 359
 360 <A NAME="remove(java.lang.Object)"><!-- --></A><A NAME="remove(K)"><!-- --></A><H3>
 361 remove</H3>
 362 <PRE>
 363 public <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A> <B>remove</B>(<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>&nbsp;key)</PRE>
 364 <DL>
 365 <DD><DL>
 366 </DL>
 367 </DD>
 368 </DL>
 369 <HR>
 370
 371 <A NAME="put(java.lang.Object,java.lang.Object)"><!-- --></A><A NAME="put(K, V)"><!-- --></A><H3>
 372 put</H3>
 373 <PRE>
 374 public <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A> <B>put</B>(<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>&nbsp;key,
 375              <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&nbsp;val)</PRE>
 376 <DL>
 377 <DD><DL>
 378 </DL>
 379 </DD>
 380 </DL>
 381 <HR>
 382
 383 <A NAME="getLeastUsedItems(int)"><!-- --></A><H3>
 384 getLeastUsedItems</H3>
 385 <PRE>
 386 public <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt; <B>getLeastUsedItems</B>(int&nbsp;n)</PRE>
 387 <DL>
 388 <DD>Returns 'n' number of least used entries present in this cache.
 389  <p/>
 390  This uses a TreeSet to collect the 'n' least used items ordered by ascending hitcount
 391  and returns a LinkedHashMap containing 'n' or less than 'n' entries.
 392 <P>
 393 <DD><DL>
 394 <DT><B>Parameters:</B><DD><CODE>n</CODE> - the number of items needed
 395 <DT><B>Returns:</B><DD>a LinkedHashMap containing 'n' or less than 'n' entries</DL>
 396 </DD>
 397 </DL>
 398 <HR>
 399
 400 <A NAME="getMostUsedItems(int)"><!-- --></A><H3>
 401 getMostUsedItems</H3>
 402 <PRE>
 403 public <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt; <B>getMostUsedItems</B>(int&nbsp;n)</PRE>
 404 <DL>
 405 <DD>Returns 'n' number of most used entries present in this cache.
 406  <p/>
 407  This uses a TreeSet to collect the 'n' most used items ordered by descending hitcount
 408  and returns a LinkedHashMap containing 'n' or less than 'n' entries.
 409 <P>
 410 <DD><DL>
 411 <DT><B>Parameters:</B><DD><CODE>n</CODE> - the number of items needed
 412 <DT><B>Returns:</B><DD>a LinkedHashMap containing 'n' or less than 'n' entries</DL>
 413 </DD>
 414 </DL>
 415 <HR>
 416
 417 <A NAME="size()"><!-- --></A><H3>
 418 size</H3>
 419 <PRE>
 420 public int <B>size</B>()</PRE>
 421 <DL>
 422 <DD><DL>
 423 </DL>
 424 </DD>
 425 </DL>
 426 <HR>
 427
 428 <A NAME="clear()"><!-- --></A><H3>
 429 clear</H3>
 430 <PRE>
 431 public void <B>clear</B>()</PRE>
 432 <DL>
 433 <DD><DL>
 434 </DL>
 435 </DD>
 436 </DL>
 437 <HR>
 438
 439 <A NAME="getMap()"><!-- --></A><H3>
 440 getMap</H3>
 441 <PRE>
 442 public <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>,org.apache.solr.util.ConcurrentLFUCache.CacheEntry&lt;<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">K</A>,<A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.html" title="type parameter in ConcurrentLFUCache">V</A>&gt;&gt; <B>getMap</B>()</PRE>
 443 <DL>
 444 <DD><DL>
 445 </DL>
 446 </DD>
 447 </DL>
 448 <HR>
 449
 450 <A NAME="destroy()"><!-- --></A><H3>
 451 destroy</H3>
 452 <PRE>
 453 public void <B>destroy</B>()</PRE>
 454 <DL>
 455 <DD><DL>
 456 </DL>
 457 </DD>
 458 </DL>
 459 <HR>
 460
 461 <A NAME="getStats()"><!-- --></A><H3>
 462 getStats</H3>
 463 <PRE>
 464 public <A HREF="../../../../org/apache/solr/util/ConcurrentLFUCache.Stats.html" title="class in org.apache.solr.util">ConcurrentLFUCache.Stats</A> <B>getStats</B>()</PRE>
 465 <DL>
 466 <DD><DL>
 467 </DL>
 468 </DD>
 469 </DL>
 470 <HR>
 471
 472 <A NAME="finalize()"><!-- --></A><H3>
 473 finalize</H3>
 474 <PRE>
 475 protected void <B>finalize</B>()
 476                  throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A></PRE>
 477 <DL>
 478 <DD><DL>
 479 <DT><B>Overrides:</B><DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A></CODE> in class <CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL>
 480 </DD>
 481 <DD><DL>
 482
 483 <DT><B>Throws:</B>
 484 <DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A></CODE></DL>
 485 </DD>
 486 </DL>
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 488 <HR>
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