1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!--NewPage--> 3<HTML> 4<HEAD> 5<!-- Generated by javadoc (build 1.6.0_35) on Tue Oct 09 17:08:12 PDT 2012 --> 6<META http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7<TITLE> 8DeserializerCache (jackson-databind 2.1.0 API) 9</TITLE> 10 11<META NAME="date" CONTENT="2012-10-09"> 12 13<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"> 14 15<SCRIPT type="text/javascript"> 16function windowTitle() 17{ 18 if (location.href.indexOf('is-external=true') == -1) { 19 parent.document.title="DeserializerCache (jackson-databind 2.1.0 API)"; 20 } 21} 22</SCRIPT> 23<NOSCRIPT> 24</NOSCRIPT> 25 26</HEAD> 27 28<BODY BGCOLOR="white" onload="windowTitle();"> 29<HR> 30 31 32<!-- ========= START OF TOP NAVBAR ======= --> 33<A NAME="navbar_top"><!-- --></A> 34<A HREF="#skip-navbar_top" title="Skip navigation links"></A> 35<TABLE BORDER="0" WIDTH="100%" 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NAVBAR ========= --> 87 88<HR> 89<!-- ======== START OF CLASS DATA ======== --> 90<H2> 91<FONT SIZE="-1"> 92com.fasterxml.jackson.databind.deser</FONT> 93<BR> 94Class DeserializerCache</H2> 95<PRE> 96<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> 97 <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.fasterxml.jackson.databind.deser.DeserializerCache</B> 98</PRE> 99<DL> 100<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DD> 101</DL> 102<HR> 103<DL> 104<DT><PRE>public final class <B>DeserializerCache</B><DT>extends <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DL> 105</PRE> 106 107<P> 108Class that defines caching layer between callers (like 109 <A HREF="../../../../../com/fasterxml/jackson/databind/ObjectMapper.html" title="class in com.fasterxml.jackson.databind"><CODE>ObjectMapper</CODE></A>, 110 <A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind"><CODE>DeserializationContext</CODE></A>) 111 and classes that construct deserializers 112 (<A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser"><CODE>DeserializerFactory</CODE></A>). 113<P> 114 115<P> 116<DL> 117<DT><B>See Also:</B><DD><A HREF="../../../../../serialized-form.html#com.fasterxml.jackson.databind.deser.DeserializerCache">Serialized Form</A></DL> 118<HR> 119 120<P> 121<!-- =========== FIELD SUMMARY =========== --> 122 123<A NAME="field_summary"><!-- --></A> 124<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 125<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 126<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 127<B>Field 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>protected <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentHashMap</A><<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>,<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>>></CODE></FONT></TD> 132<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_cachedDeserializers">_cachedDeserializers</A></B></CODE> 133 134<BR> 135 We will also cache some dynamically constructed deserializers; 136 specifically, ones that are expensive to construct.</TD> 137</TR> 138<TR BGCOLOR="white" CLASS="TableRowColor"> 139<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 140<CODE>protected <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</A><<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>,<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>>></CODE></FONT></TD> 141<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_incompleteDeserializers">_incompleteDeserializers</A></B></CODE> 142 143<BR> 144 During deserializer construction process we may need to keep track of partially 145 completed deserializers, to resolve cyclic dependencies.</TD> 146</TR> 147</TABLE> 148 149<!-- ======== CONSTRUCTOR SUMMARY ======== --> 150 151<A NAME="constructor_summary"><!-- --></A> 152<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 153<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 154<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 155<B>Constructor Summary</B></FONT></TH> 156</TR> 157<TR BGCOLOR="white" CLASS="TableRowColor"> 158<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#DeserializerCache()">DeserializerCache</A></B>()</CODE> 159 160<BR> 161 </TD> 162</TR> 163</TABLE> 164 165<!-- ========== METHOD SUMMARY =========== --> 166 167<A NAME="method_summary"><!-- --></A> 168<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 169<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 170<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 171<B>Method Summary</B></FONT></TH> 172</TR> 173<TR BGCOLOR="white" CLASS="TableRowColor"> 174<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 175<CODE>protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD> 176<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_createAndCache2(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)">_createAndCache2</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 177 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 178 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 179 180<BR> 181 Method that handles actual construction (via factory) and caching (both 182 intermediate and eventual)</TD> 183</TR> 184<TR BGCOLOR="white" CLASS="TableRowColor"> 185<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 186<CODE>protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD> 187<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_createAndCacheValueDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)">_createAndCacheValueDeserializer</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 188 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 189 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 190 191<BR> 192 Method that will try to create a deserializer for given type, 193 and resolve and cache it if necessary</TD> 194</TR> 195<TR BGCOLOR="white" CLASS="TableRowColor"> 196<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 197<CODE>protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD> 198<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_createDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)">_createDeserializer</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 199 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 200 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 201 202<BR> 203 Method that does the heavy lifting of checking for per-type annotations, 204 find out full type, and figure out which actual factory method 205 to call.</TD> 206</TR> 207<TR BGCOLOR="white" CLASS="TableRowColor"> 208<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 209<CODE>protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD> 210<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_findCachedDeserializer(com.fasterxml.jackson.databind.JavaType)">_findCachedDeserializer</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 211 212<BR> 213 </TD> 214</TR> 215<TR BGCOLOR="white" CLASS="TableRowColor"> 216<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 217<CODE>protected <A HREF="../../../../../com/fasterxml/jackson/databind/KeyDeserializer.html" title="class in com.fasterxml.jackson.databind">KeyDeserializer</A></CODE></FONT></TD> 218<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_handleUnknownKeyDeserializer(com.fasterxml.jackson.databind.JavaType)">_handleUnknownKeyDeserializer</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 219 220<BR> 221 </TD> 222</TR> 223<TR BGCOLOR="white" CLASS="TableRowColor"> 224<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 225<CODE>protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD> 226<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_handleUnknownValueDeserializer(com.fasterxml.jackson.databind.JavaType)">_handleUnknownValueDeserializer</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 227 228<BR> 229 </TD> 230</TR> 231<TR BGCOLOR="white" CLASS="TableRowColor"> 232<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 233<CODE> int</CODE></FONT></TD> 234<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#cachedDeserializersCount()">cachedDeserializersCount</A></B>()</CODE> 235 236<BR> 237 Method that can be used to determine how many deserializers this 238 provider is caching currently 239 (if it does caching: default implementation does) 240 Exact count depends on what kind of deserializers get cached; 241 default implementation caches only dynamically constructed deserializers, 242 but not eagerly constructed standard deserializers (which is different 243 from how serializer provider works).</TD> 244</TR> 245<TR BGCOLOR="white" CLASS="TableRowColor"> 246<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 247<CODE>protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD> 248<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#findDeserializerFromAnnotation(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.introspect.Annotated)">findDeserializerFromAnnotation</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 249 <A HREF="../../../../../com/fasterxml/jackson/databind/introspect/Annotated.html" title="class in com.fasterxml.jackson.databind.introspect">Annotated</A> ann)</CODE> 250 251<BR> 252 Helper method called to check if a class or method 253 has annotation that tells which class to use for deserialization.</TD> 254</TR> 255<TR BGCOLOR="white" CLASS="TableRowColor"> 256<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 257<CODE> <A HREF="../../../../../com/fasterxml/jackson/databind/KeyDeserializer.html" title="class in com.fasterxml.jackson.databind">KeyDeserializer</A></CODE></FONT></TD> 258<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#findKeyDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)">findKeyDeserializer</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 259 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 260 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 261 262<BR> 263 Method called to get hold of a deserializer to use for deserializing 264 keys for <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util"><CODE>Map</CODE></A>.</TD> 265</TR> 266<TR BGCOLOR="white" CLASS="TableRowColor"> 267<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 268<CODE> <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD> 269<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#findValueDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)">findValueDeserializer</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 270 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 271 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> propertyType)</CODE> 272 273<BR> 274 Method called to get hold of a deserializer for a value of given type; 275 or if no such deserializer can be found, a default handler (which 276 may do a best-effort generic serialization or just simply 277 throw an exception when invoked).</TD> 278</TR> 279<TR BGCOLOR="white" CLASS="TableRowColor"> 280<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 281<CODE> void</CODE></FONT></TD> 282<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#flushCachedDeserializers()">flushCachedDeserializers</A></B>()</CODE> 283 284<BR> 285 Method that will drop all dynamically constructed deserializers (ones that 286 are counted as result value for <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#cachedDeserializersCount()"><CODE>cachedDeserializersCount()</CODE></A>).</TD> 287</TR> 288<TR BGCOLOR="white" CLASS="TableRowColor"> 289<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 290<CODE> boolean</CODE></FONT></TD> 291<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#hasValueDeserializerFor(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)">hasValueDeserializerFor</A></B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 292 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 293 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</CODE> 294 295<BR> 296 Method called to find out whether provider would be able to find 297 a deserializer for given type, using a root reference (i.e.</TD> 298</TR> 299</TABLE> 300 <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> 301<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 302<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 303<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> 304</TR> 305<TR BGCOLOR="white" CLASS="TableRowColor"> 306<TD><CODE><A HREF="http://docs.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://docs.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://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://docs.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://docs.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://docs.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://docs.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://docs.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://docs.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://docs.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://docs.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> 307</TR> 308</TABLE> 309 310<P> 311 312<!-- ============ FIELD DETAIL =========== --> 313 314<A NAME="field_detail"><!-- --></A> 315<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 316<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 317<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 318<B>Field Detail</B></FONT></TH> 319</TR> 320</TABLE> 321 322<A NAME="_cachedDeserializers"><!-- --></A><H3> 323_cachedDeserializers</H3> 324<PRE> 325protected final <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentHashMap</A><<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>,<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>>> <B>_cachedDeserializers</B></PRE> 326<DL> 327<DD>We will also cache some dynamically constructed deserializers; 328 specifically, ones that are expensive to construct. 329 This currently means bean and Enum deserializers; array, List and Map 330 deserializers will not be cached. 331<p> 332 Given that we don't expect much concurrency for additions 333 (should very quickly converge to zero after startup), let's 334 explicitly define a low concurrency setting. 335<P> 336<DL> 337</DL> 338</DL> 339<HR> 340 341<A NAME="_incompleteDeserializers"><!-- --></A><H3> 342_incompleteDeserializers</H3> 343<PRE> 344protected final <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</A><<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>,<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>>> <B>_incompleteDeserializers</B></PRE> 345<DL> 346<DD>During deserializer construction process we may need to keep track of partially 347 completed deserializers, to resolve cyclic dependencies. This is the 348 map used for storing deserializers before they are fully complete. 349<P> 350<DL> 351</DL> 352</DL> 353 354<!-- ========= CONSTRUCTOR DETAIL ======== --> 355 356<A NAME="constructor_detail"><!-- --></A> 357<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 358<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 359<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 360<B>Constructor Detail</B></FONT></TH> 361</TR> 362</TABLE> 363 364<A NAME="DeserializerCache()"><!-- --></A><H3> 365DeserializerCache</H3> 366<PRE> 367public <B>DeserializerCache</B>()</PRE> 368<DL> 369</DL> 370 371<!-- ============ METHOD DETAIL ========== --> 372 373<A NAME="method_detail"><!-- --></A> 374<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 375<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 376<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 377<B>Method Detail</B></FONT></TH> 378</TR> 379</TABLE> 380 381<A NAME="cachedDeserializersCount()"><!-- --></A><H3> 382cachedDeserializersCount</H3> 383<PRE> 384public int <B>cachedDeserializersCount</B>()</PRE> 385<DL> 386<DD>Method that can be used to determine how many deserializers this 387 provider is caching currently 388 (if it does caching: default implementation does) 389 Exact count depends on what kind of deserializers get cached; 390 default implementation caches only dynamically constructed deserializers, 391 but not eagerly constructed standard deserializers (which is different 392 from how serializer provider works). 393<p> 394 The main use case for this method is to allow conditional flushing of 395 deserializer cache, if certain number of entries is reached. 396<P> 397<DD><DL> 398</DL> 399</DD> 400<DD><DL> 401</DL> 402</DD> 403</DL> 404<HR> 405 406<A NAME="flushCachedDeserializers()"><!-- --></A><H3> 407flushCachedDeserializers</H3> 408<PRE> 409public void <B>flushCachedDeserializers</B>()</PRE> 410<DL> 411<DD>Method that will drop all dynamically constructed deserializers (ones that 412 are counted as result value for <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#cachedDeserializersCount()"><CODE>cachedDeserializersCount()</CODE></A>). 413 This can be used to remove memory usage (in case some deserializers are 414 only used once or so), or to force re-construction of deserializers after 415 configuration changes for mapper than owns the provider. 416<P> 417<DD><DL> 418</DL> 419</DD> 420<DD><DL> 421</DL> 422</DD> 423</DL> 424<HR> 425 426<A NAME="findValueDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 427findValueDeserializer</H3> 428<PRE> 429public <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> <B>findValueDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 430 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 431 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> propertyType) 432 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 433<DL> 434<DD>Method called to get hold of a deserializer for a value of given type; 435 or if no such deserializer can be found, a default handler (which 436 may do a best-effort generic serialization or just simply 437 throw an exception when invoked). 438<p> 439 Note: this method is only called for value types; not for keys. 440 Key deserializers can be accessed using <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#findKeyDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><CODE>findKeyDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)</CODE></A>. 441<p> 442 Note also that deserializer returned is guaranteed to be resolved 443 (if it is of type <A HREF="../../../../../com/fasterxml/jackson/databind/deser/ResolvableDeserializer.html" title="interface in com.fasterxml.jackson.databind.deser"><CODE>ResolvableDeserializer</CODE></A>), but 444 not contextualized (wrt <A HREF="../../../../../com/fasterxml/jackson/databind/deser/ContextualDeserializer.html" title="interface in com.fasterxml.jackson.databind.deser"><CODE>ContextualDeserializer</CODE></A>): caller 445 has to handle latter if necessary. 446<P> 447<DD><DL> 448</DL> 449</DD> 450<DD><DL> 451<DT><B>Parameters:</B><DD><CODE>ctxt</CODE> - Deserialization context<DD><CODE>propertyType</CODE> - Declared type of the value to deserializer (obtained using 452 'setter' method signature and/or type annotations 453<DT><B>Throws:</B> 454<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE> - if there are fatal problems with 455 accessing suitable deserializer; including that of not 456 finding any serializer</DL> 457</DD> 458</DL> 459<HR> 460 461<A NAME="findKeyDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 462findKeyDeserializer</H3> 463<PRE> 464public <A HREF="../../../../../com/fasterxml/jackson/databind/KeyDeserializer.html" title="class in com.fasterxml.jackson.databind">KeyDeserializer</A> <B>findKeyDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 465 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 466 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type) 467 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 468<DL> 469<DD>Method called to get hold of a deserializer to use for deserializing 470 keys for <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util"><CODE>Map</CODE></A>. 471<P> 472<DD><DL> 473</DL> 474</DD> 475<DD><DL> 476 477<DT><B>Throws:</B> 478<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE> - if there are fatal problems with 479 accessing suitable key deserializer; including that of not 480 finding any serializer</DL> 481</DD> 482</DL> 483<HR> 484 485<A NAME="hasValueDeserializerFor(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 486hasValueDeserializerFor</H3> 487<PRE> 488public boolean <B>hasValueDeserializerFor</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 489 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 490 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</PRE> 491<DL> 492<DD>Method called to find out whether provider would be able to find 493 a deserializer for given type, using a root reference (i.e. not 494 through fields or membership in an array or collection) 495<P> 496<DD><DL> 497</DL> 498</DD> 499<DD><DL> 500</DL> 501</DD> 502</DL> 503<HR> 504 505<A NAME="_findCachedDeserializer(com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 506_findCachedDeserializer</H3> 507<PRE> 508protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> <B>_findCachedDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type)</PRE> 509<DL> 510<DD><DL> 511</DL> 512</DD> 513<DD><DL> 514</DL> 515</DD> 516</DL> 517<HR> 518 519<A NAME="_createAndCacheValueDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 520_createAndCacheValueDeserializer</H3> 521<PRE> 522protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> <B>_createAndCacheValueDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 523 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 524 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type) 525 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 526<DL> 527<DD>Method that will try to create a deserializer for given type, 528 and resolve and cache it if necessary 529<P> 530<DD><DL> 531</DL> 532</DD> 533<DD><DL> 534<DT><B>Parameters:</B><DD><CODE>ctxt</CODE> - Currently active deserialization context<DD><CODE>type</CODE> - Type of property to deserialize 535<DT><B>Throws:</B> 536<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL> 537</DD> 538</DL> 539<HR> 540 541<A NAME="_createAndCache2(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 542_createAndCache2</H3> 543<PRE> 544protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> <B>_createAndCache2</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 545 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 546 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type) 547 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 548<DL> 549<DD>Method that handles actual construction (via factory) and caching (both 550 intermediate and eventual) 551<P> 552<DD><DL> 553</DL> 554</DD> 555<DD><DL> 556 557<DT><B>Throws:</B> 558<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL> 559</DD> 560</DL> 561<HR> 562 563<A NAME="_createDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 564_createDeserializer</H3> 565<PRE> 566protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> <B>_createDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 567 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A> factory, 568 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type) 569 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 570<DL> 571<DD>Method that does the heavy lifting of checking for per-type annotations, 572 find out full type, and figure out which actual factory method 573 to call. 574<P> 575<DD><DL> 576</DL> 577</DD> 578<DD><DL> 579 580<DT><B>Throws:</B> 581<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL> 582</DD> 583</DL> 584<HR> 585 586<A NAME="findDeserializerFromAnnotation(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.introspect.Annotated)"><!-- --></A><H3> 587findDeserializerFromAnnotation</H3> 588<PRE> 589protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> <B>findDeserializerFromAnnotation</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A> ctxt, 590 <A HREF="../../../../../com/fasterxml/jackson/databind/introspect/Annotated.html" title="class in com.fasterxml.jackson.databind.introspect">Annotated</A> ann) 591 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 592<DL> 593<DD>Helper method called to check if a class or method 594 has annotation that tells which class to use for deserialization. 595 Returns null if no such annotation found. 596<P> 597<DD><DL> 598</DL> 599</DD> 600<DD><DL> 601 602<DT><B>Throws:</B> 603<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL> 604</DD> 605</DL> 606<HR> 607 608<A NAME="_handleUnknownValueDeserializer(com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 609_handleUnknownValueDeserializer</H3> 610<PRE> 611protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> <B>_handleUnknownValueDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type) 612 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 613<DL> 614<DD><DL> 615</DL> 616</DD> 617<DD><DL> 618 619<DT><B>Throws:</B> 620<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL> 621</DD> 622</DL> 623<HR> 624 625<A NAME="_handleUnknownKeyDeserializer(com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3> 626_handleUnknownKeyDeserializer</H3> 627<PRE> 628protected <A HREF="../../../../../com/fasterxml/jackson/databind/KeyDeserializer.html" title="class in com.fasterxml.jackson.databind">KeyDeserializer</A> <B>_handleUnknownKeyDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A> type) 629 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE> 630<DL> 631<DD><DL> 632</DL> 633</DD> 634<DD><DL> 635 636<DT><B>Throws:</B> 637<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL> 638</DD> 639</DL> 640<!-- ========= END OF CLASS DATA ========= --> 641<HR> 642 643 644<!-- ======= START OF BOTTOM NAVBAR ====== --> 645<A NAME="navbar_bottom"><!-- --></A> 646<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> 647<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 648<TR> 649<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 650<A NAME="navbar_bottom_firstrow"><!-- --></A> 651<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 652 <TR ALIGN="center" VALIGN="top"> 653 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> 654 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT 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