org.apache.juli.logging.com.fasterxml.jackson.databind.ser.impl.PropertyBasedObjectIdGenerator Maven / Gradle / Ivy
package org.apache.juli.logging.com.fasterxml.jackson.databind.ser.impl;
import org.apache.juli.logging.com.fasterxml.jackson.annotation.ObjectIdGenerator;
import org.apache.juli.logging.com.fasterxml.jackson.annotation.ObjectIdGenerators;
import org.apache.juli.logging.com.fasterxml.jackson.databind.introspect.ObjectIdInfo;
import org.apache.juli.logging.com.fasterxml.jackson.databind.ser.*;
public class PropertyBasedObjectIdGenerator
extends ObjectIdGenerators.PropertyGenerator
{
private static final long serialVersionUID = 1L;
protected final BeanPropertyWriter _property;
public PropertyBasedObjectIdGenerator(ObjectIdInfo oid, BeanPropertyWriter prop)
{
this(oid.getScope(), prop);
}
protected PropertyBasedObjectIdGenerator(Class scope, BeanPropertyWriter prop)
{
super(scope);
_property = prop;
}
/**
* We must override this method, to prevent errors when scopes are the same,
* but underlying class (on which to access property) is different.
*/
@Override
public boolean canUseFor(ObjectIdGenerator gen) {
if (gen.getClass() == getClass()) {
PropertyBasedObjectIdGenerator other = (PropertyBasedObjectIdGenerator) gen;
if (other.getScope() == _scope) {
/* 26-Jul-2012, tatu: This is actually not enough, because the property
* accessor within BeanPropertyWriter won't work for other property fields
* (see [https://github.com/FasterXML/jackson-module-jaxb-annotations/issues/9]
* for details).
* So we need to verify that underlying property is actually the same.
*/
return (other._property == _property);
}
}
return false;
}
@Override
public Object generateId(Object forPojo) {
try {
return _property.get(forPojo);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new IllegalStateException("Problem accessing property '"
+_property.getName()+"': "+e.getMessage(), e);
}
}
@Override
public ObjectIdGenerator