com.datastax.oss.driver.shaded.fasterxml.jackson.databind.util.TypeKey Maven / Gradle / Ivy
The newest version!
package com.datastax.oss.driver.shaded.fasterxml.jackson.databind.util;
import com.datastax.oss.driver.shaded.fasterxml.jackson.databind.JavaType;
/**
* Key that offers two "modes"; one with raw class, as used for
* cases were raw class type is available (for example, when using
* runtime type); and one with full generics-including.
*/
public class TypeKey
{
protected int _hashCode;
protected Class _class;
protected JavaType _type;
/**
* Indicator of whether serializer stored has a type serializer
* wrapper around it or not; if not, it is "untyped" serializer;
* if it has, it is "typed"
*/
protected boolean _isTyped;
public TypeKey() { }
public TypeKey(TypeKey src) {
_hashCode = src._hashCode;
_class = src._class;
_type = src._type;
_isTyped = src._isTyped;
}
public TypeKey(Class key, boolean typed) {
_class = key;
_type = null;
_isTyped = typed;
_hashCode = typed ? typedHash(key) : untypedHash(key);
}
public TypeKey(JavaType key, boolean typed) {
_type = key;
_class = null;
_isTyped = typed;
_hashCode = typed ? typedHash(key) : untypedHash(key);
}
public final static int untypedHash(Class cls) {
return cls.getName().hashCode();
}
public final static int typedHash(Class cls) {
return cls.getName().hashCode()+1;
}
public final static int untypedHash(JavaType type) {
return type.hashCode() - 1;
}
public final static int typedHash(JavaType type) {
return type.hashCode() - 2;
}
public final void resetTyped(Class cls) {
_type = null;
_class = cls;
_isTyped = true;
_hashCode = typedHash(cls);
}
public final void resetUntyped(Class cls) {
_type = null;
_class = cls;
_isTyped = false;
_hashCode = untypedHash(cls);
}
public final void resetTyped(JavaType type) {
_type = type;
_class = null;
_isTyped = true;
_hashCode = typedHash(type);
}
public final void resetUntyped(JavaType type) {
_type = type;
_class = null;
_isTyped = false;
_hashCode = untypedHash(type);
}
public boolean isTyped() {
return _isTyped;
}
public Class getRawType() {
return _class;
}
public JavaType getType() {
return _type;
}
@Override public final int hashCode() { return _hashCode; }
@Override public final String toString() {
if (_class != null) {
return "{class: "+_class.getName()+", typed? "+_isTyped+"}";
}
return "{type: "+_type+", typed? "+_isTyped+"}";
}
// note: we assume key is never used for anything other than as map key, so:
@Override public final boolean equals(Object o)
{
if (o == null) return false;
if (o == this) return true;
if (o.getClass() != getClass()) {
return false;
}
TypeKey other = (TypeKey) o;
if (other._isTyped == _isTyped) {
if (_class != null) {
return other._class == _class;
}
return _type.equals(other._type);
}
return false;
}
}