package com.facebook.presto.jdbc.internal.jackson.databind.module;
import java.util.HashMap;
import com.facebook.presto.jdbc.internal.jackson.databind.BeanDescription;
import com.facebook.presto.jdbc.internal.jackson.databind.DeserializationConfig;
import com.facebook.presto.jdbc.internal.jackson.databind.deser.ValueInstantiator;
import com.facebook.presto.jdbc.internal.jackson.databind.deser.ValueInstantiators;
import com.facebook.presto.jdbc.internal.jackson.databind.type.ClassKey;
public class SimpleValueInstantiators
extends ValueInstantiators.Base
implements java.io.Serializable
{
private static final long serialVersionUID = -8929386427526115130L;
/**
* Mappings from raw (type-erased, i.e. non-generic) types
* to matching {@link ValueInstantiator} instances.
*/
protected HashMap<ClassKey,ValueInstantiator> _classMappings;
/*
/**********************************************************
/* Life-cycle, construction and configuring
/**********************************************************
*/
public SimpleValueInstantiators()
{
_classMappings = new HashMap<ClassKey,ValueInstantiator>();
}
public SimpleValueInstantiators addValueInstantiator(Class<?> forType,
ValueInstantiator inst)
{
_classMappings.put(new ClassKey(forType), inst);
return this;
}
@Override
public ValueInstantiator findValueInstantiator(DeserializationConfig config,
BeanDescription beanDesc, ValueInstantiator defaultInstantiator)
{
ValueInstantiator inst = _classMappings.get(new ClassKey(beanDesc.getBeanClass()));
return (inst == null) ? defaultInstantiator : inst;
}
}