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## com.fasterxml.jackson.databind.ser.impl
Class ReadOnlyClassToSerializerMap

    java.lang.Object
      com.fasterxml.jackson.databind.ser.impl.ReadOnlyClassToSerializerMap

    public final class ReadOnlyClassToSerializerMap

extends Object

Optimized lookup table for accessing two types of serializers; typed and non-typed. Only accessed from a single thread, so no synchronization needed for accessors.

Field Summary
`protected SerializerCache.TypeKey` | `_cacheKey` We'll reuse key class to avoid unnecessary instantiations; since this is not shared between threads, we can just reuse single instance.
`protected JsonSerializerMap` | `_map` Actual mappings from type key to serializers

Method Summary
`static ReadOnlyClassToSerializerMap` | `from(HashMap<SerializerCache.TypeKey,JsonSerializer<Object>> src)` Factory method for creating the "blueprint" lookup map.
`ReadOnlyClassToSerializerMap` | `instance()`
`JsonSerializer<Object>` | `typedValueSerializer(Class<?> cls)`
`JsonSerializer<Object>` | `typedValueSerializer(JavaType type)`
`JsonSerializer<Object>` | `untypedValueSerializer(Class<?> cls)`
`JsonSerializer<Object>` | `untypedValueSerializer(JavaType type)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### _map

    protected final JsonSerializerMap _map

  Actual mappings from type key to serializers

### _cacheKey

    protected final SerializerCache.TypeKey _cacheKey

  We'll reuse key class to avoid unnecessary instantiations; since this is not shared between threads, we can just reuse single instance.

Method Detail

### instance

    public ReadOnlyClassToSerializerMap instance()

### from

    public static ReadOnlyClassToSerializerMap from(HashMap<SerializerCache.TypeKey,JsonSerializer<Object>> src)

  Factory method for creating the "blueprint" lookup map. Such map can not be used as is but just shared: to get an actual usable instance, `instance()` has to be called first.

### typedValueSerializer

    public JsonSerializer<Object> typedValueSerializer(JavaType type)

### typedValueSerializer

    public JsonSerializer<Object> typedValueSerializer(Class<?> cls)

### untypedValueSerializer

    public JsonSerializer<Object> untypedValueSerializer(Class<?> cls)

### untypedValueSerializer

    public JsonSerializer<Object> untypedValueSerializer(JavaType type)

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