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DeserializerCache (jackson-databind 2.1.0 API)
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com.fasterxml.jackson.databind.deser</FONT>
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Class DeserializerCache</H2>
<PRE>
<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>
  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.fasterxml.jackson.databind.deser.DeserializerCache</B>
</PRE>
<DL>
<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>
</DL>
<HR>
<DL>
<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>
</PRE>

<P>
Class that defines caching layer between callers (like
 <A HREF="../../../../../com/fasterxml/jackson/databind/ObjectMapper.html" title="class in com.fasterxml.jackson.databind"><CODE>ObjectMapper</CODE></A>,
 <A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind"><CODE>DeserializationContext</CODE></A>)
 and classes that construct deserializers
 (<A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser"><CODE>DeserializerFactory</CODE></A>).
<P>

<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../serialized-form.html#com.fasterxml.jackson.databind.deser.DeserializerCache">Serialized Form</A></DL>
<HR>

<P>
<!-- =========== FIELD SUMMARY =========== -->

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<B>Field Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<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>&lt;<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>&lt;<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>&gt;&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_cachedDeserializers">_cachedDeserializers</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We will also cache some dynamically constructed deserializers;
 specifically, ones that are expensive to construct.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<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>&lt;<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>&lt;<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>&gt;&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#_incompleteDeserializers">_incompleteDeserializers</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;During deserializer construction process we may need to keep track of partially
 completed deserializers, to resolve cyclic dependencies.</TD>
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&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->

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<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#DeserializerCache()">DeserializerCache</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<!-- ========== METHOD SUMMARY =========== -->

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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt;</CODE></FONT></TD>
<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>&nbsp;ctxt,
                 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method that handles actual construction (via factory) and caching (both
 intermediate and eventual)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt;</CODE></FONT></TD>
<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>&nbsp;ctxt,
                                 <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                                 <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method that will try to create a deserializer for given type,
 and resolve and cache it if necessary</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt;</CODE></FONT></TD>
<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>&nbsp;ctxt,
                    <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                    <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method that does the heavy lifting of checking for per-type annotations,
 find out full type, and figure out which actual factory method
 to call.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt;</CODE></FONT></TD>
<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>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/KeyDeserializer.html" title="class in com.fasterxml.jackson.databind">KeyDeserializer</A></CODE></FONT></TD>
<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>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt;</CODE></FONT></TD>
<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>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#cachedDeserializersCount()">cachedDeserializersCount</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method that can be used to determine how many deserializers this
 provider is caching currently 
 (if it does caching: default implementation does)
 Exact count depends on what kind of deserializers get cached;
 default implementation caches only dynamically constructed deserializers,
 but not eagerly constructed standard deserializers (which is different
 from how serializer provider works).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt;</CODE></FONT></TD>
<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>&nbsp;ctxt,
                               <A HREF="../../../../../com/fasterxml/jackson/databind/introspect/Annotated.html" title="class in com.fasterxml.jackson.databind.introspect">Annotated</A>&nbsp;ann)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Helper method called to check if a class or method
 has annotation that tells which class to use for deserialization.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/KeyDeserializer.html" title="class in com.fasterxml.jackson.databind">KeyDeserializer</A></CODE></FONT></TD>
<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>&nbsp;ctxt,
                    <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                    <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method called to get hold of a deserializer to use for deserializing
 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>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt;</CODE></FONT></TD>
<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>&nbsp;ctxt,
                      <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                      <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;propertyType)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method called to get hold of a deserializer for a value of given type;
 or if no such deserializer can be found, a default handler (which
 may do a best-effort generic serialization or just simply
 throw an exception when invoked).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#flushCachedDeserializers()">flushCachedDeserializers</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method that will drop all dynamically constructed deserializers (ones that
 are counted as result value for <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#cachedDeserializersCount()"><CODE>cachedDeserializersCount()</CODE></A>).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<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>&nbsp;ctxt,
                        <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                        <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method called to find out whether provider would be able to find
 a deserializer for given type, using a root reference (i.e.</TD>
</TR>
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<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>
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<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>
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<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="_cachedDeserializers"><!-- --></A><H3>
_cachedDeserializers</H3>
<PRE>
protected 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>&lt;<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>&lt;<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>&gt;&gt; <B>_cachedDeserializers</B></PRE>
<DL>
<DD>We will also cache some dynamically constructed deserializers;
 specifically, ones that are expensive to construct.
 This currently means bean and Enum deserializers; array, List and Map
 deserializers will not be cached.
<p>
 Given that we don't expect much concurrency for additions
 (should very quickly converge to zero after startup), let's
 explicitly define a low concurrency setting.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="_incompleteDeserializers"><!-- --></A><H3>
_incompleteDeserializers</H3>
<PRE>
protected 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>&lt;<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>&lt;<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>&gt;&gt; <B>_incompleteDeserializers</B></PRE>
<DL>
<DD>During deserializer construction process we may need to keep track of partially
 completed deserializers, to resolve cyclic dependencies. This is the
 map used for storing deserializers before they are fully complete.
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="DeserializerCache()"><!-- --></A><H3>
DeserializerCache</H3>
<PRE>
public <B>DeserializerCache</B>()</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="cachedDeserializersCount()"><!-- --></A><H3>
cachedDeserializersCount</H3>
<PRE>
public int <B>cachedDeserializersCount</B>()</PRE>
<DL>
<DD>Method that can be used to determine how many deserializers this
 provider is caching currently 
 (if it does caching: default implementation does)
 Exact count depends on what kind of deserializers get cached;
 default implementation caches only dynamically constructed deserializers,
 but not eagerly constructed standard deserializers (which is different
 from how serializer provider works).
<p>
 The main use case for this method is to allow conditional flushing of
 deserializer cache, if certain number of entries is reached.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="flushCachedDeserializers()"><!-- --></A><H3>
flushCachedDeserializers</H3>
<PRE>
public void <B>flushCachedDeserializers</B>()</PRE>
<DL>
<DD>Method that will drop all dynamically constructed deserializers (ones that
 are counted as result value for <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerCache.html#cachedDeserializersCount()"><CODE>cachedDeserializersCount()</CODE></A>).
 This can be used to remove memory usage (in case some deserializers are
 only used once or so), or to force re-construction of deserializers after
 configuration changes for mapper than owns the provider.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="findValueDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
findValueDeserializer</H3>
<PRE>
public <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt; <B>findValueDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A>&nbsp;ctxt,
                                                      <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                                                      <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;propertyType)
                                               throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD>Method called to get hold of a deserializer for a value of given type;
 or if no such deserializer can be found, a default handler (which
 may do a best-effort generic serialization or just simply
 throw an exception when invoked).
<p>
 Note: this method is only called for value types; not for keys.
 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>.
<p>
 Note also that deserializer returned is guaranteed to be resolved
 (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
 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
 has to handle latter if necessary.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ctxt</CODE> - Deserialization context<DD><CODE>propertyType</CODE> - Declared type of the value to deserializer (obtained using
   'setter' method signature and/or type annotations
<DT><B>Throws:</B>
<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
   accessing suitable deserializer; including that of not
   finding any serializer</DL>
</DD>
</DL>
<HR>

<A NAME="findKeyDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
findKeyDeserializer</H3>
<PRE>
public <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>&nbsp;ctxt,
                                           <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                                           <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)
                                    throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD>Method called to get hold of a deserializer to use for deserializing
 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>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<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
   accessing suitable key deserializer; including that of not
   finding any serializer</DL>
</DD>
</DL>
<HR>

<A NAME="hasValueDeserializerFor(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
hasValueDeserializerFor</H3>
<PRE>
public boolean <B>hasValueDeserializerFor</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A>&nbsp;ctxt,
                                       <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                                       <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)</PRE>
<DL>
<DD>Method called to find out whether provider would be able to find
 a deserializer for given type, using a root reference (i.e. not
 through fields or membership in an array or collection)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="_findCachedDeserializer(com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
_findCachedDeserializer</H3>
<PRE>
protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt; <B>_findCachedDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="_createAndCacheValueDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
_createAndCacheValueDeserializer</H3>
<PRE>
protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt; <B>_createAndCacheValueDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A>&nbsp;ctxt,
                                                                    <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                                                                    <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)
                                                             throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD>Method that will try to create a deserializer for given type,
 and resolve and cache it if necessary
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ctxt</CODE> - Currently active deserialization context<DD><CODE>type</CODE> - Type of property to deserialize
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="_createAndCache2(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
_createAndCache2</H3>
<PRE>
protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt; <B>_createAndCache2</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A>&nbsp;ctxt,
                                                    <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                                                    <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)
                                             throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD>Method that handles actual construction (via factory) and caching (both
 intermediate and eventual)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="_createDeserializer(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.deser.DeserializerFactory, com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
_createDeserializer</H3>
<PRE>
protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt; <B>_createDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A>&nbsp;ctxt,
                                                       <A HREF="../../../../../com/fasterxml/jackson/databind/deser/DeserializerFactory.html" title="class in com.fasterxml.jackson.databind.deser">DeserializerFactory</A>&nbsp;factory,
                                                       <A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)
                                                throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD>Method that does the heavy lifting of checking for per-type annotations,
 find out full type, and figure out which actual factory method
 to call.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="findDeserializerFromAnnotation(com.fasterxml.jackson.databind.DeserializationContext, com.fasterxml.jackson.databind.introspect.Annotated)"><!-- --></A><H3>
findDeserializerFromAnnotation</H3>
<PRE>
protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt; <B>findDeserializerFromAnnotation</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/DeserializationContext.html" title="class in com.fasterxml.jackson.databind">DeserializationContext</A>&nbsp;ctxt,
                                                                  <A HREF="../../../../../com/fasterxml/jackson/databind/introspect/Annotated.html" title="class in com.fasterxml.jackson.databind.introspect">Annotated</A>&nbsp;ann)
                                                           throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD>Helper method called to check if a class or method
 has annotation that tells which class to use for deserialization.
 Returns null if no such annotation found.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="_handleUnknownValueDeserializer(com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
_handleUnknownValueDeserializer</H3>
<PRE>
protected <A HREF="../../../../../com/fasterxml/jackson/databind/JsonDeserializer.html" title="class in com.fasterxml.jackson.databind">JsonDeserializer</A>&lt;<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>&gt; <B>_handleUnknownValueDeserializer</B>(<A HREF="../../../../../com/fasterxml/jackson/databind/JavaType.html" title="class in com.fasterxml.jackson.databind">JavaType</A>&nbsp;type)
                                                            throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="_handleUnknownKeyDeserializer(com.fasterxml.jackson.databind.JavaType)"><!-- --></A><H3>
_handleUnknownKeyDeserializer</H3>
<PRE>
protected <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>&nbsp;type)
                                                 throws <A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonMappingException.html" title="class in com.fasterxml.jackson.databind">JsonMappingException</A></CODE></DL>
</DD>
</DL>
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