org.apache.cayenne.map.ClientEntityResolver Maven / Gradle / Ivy
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package org.apache.cayenne.map;
import org.apache.cayenne.reflect.ClassDescriptorFactory;
import org.apache.cayenne.reflect.ClassDescriptorMap;
import org.apache.cayenne.reflect.valueholder.ValueHolderDescriptorFactory;
/**
* An EntityResolver subclass that uses a different default {@link ClassDescriptorFactory}
* that handles ValueHolder to-one relationships.
*
* @since 3.0
*/
class ClientEntityResolver extends EntityResolver {
ClientEntityResolver() {
}
@Override
public EntityResolver getClientEntityResolver() {
return this;
}
@Override
public ClassDescriptorMap getClassDescriptorMap() {
if (classDescriptorMap == null) {
ClassDescriptorMap classDescriptorMap = new ClassDescriptorMap(this);
classDescriptorMap.addFactory(new ValueHolderDescriptorFactory(
classDescriptorMap));
// since ClassDescriptorMap is not synchronized, we need to prefill it with
// entity proxies here.
for (DataMap map : maps) {
for (String entityName : map.getObjEntityMap().keySet()) {
classDescriptorMap.getDescriptor(entityName);
}
}
this.classDescriptorMap = classDescriptorMap;
}
return classDescriptorMap;
}
}