package com.avaje.ebeaninternal.server.cache;
import com.avaje.ebean.bean.EntityBean;
import com.avaje.ebean.bean.EntityBeanIntercept;
import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
import com.avaje.ebeaninternal.server.deploy.BeanProperty;
/**
* Create a new CachedBeanData based on the existing CachedBeanData and the updated bean.
*/
public class CachedBeanDataUpdate {
/**
* Create a new CachedBeanData based on the existing CachedBeanData and the updated bean.
*/
public static CachedBeanData update(BeanDescriptor<?> desc, CachedBeanData existingData, EntityBean updateBean) {
// take a copy of the raw data and loaded status
boolean[] copyLoaded = existingData.copyLoaded();
Object[] copyData = existingData.copyData();
EntityBeanIntercept ebi = updateBean._ebean_getIntercept();
Object newNaturalKey = null;
Object oldNaturalKey = existingData.getNaturalKey();
BeanProperty[] props = desc.propertiesNonMany();
for (int i = 0; i < props.length; i++) {
// check if the properties was in the update
int propertyIndex = props[i].getPropertyIndex();
if (ebi.isLoadedProperty(propertyIndex)) {
if (props[i].isNaturalKey()) {
newNaturalKey = updateBean._ebean_getField(propertyIndex);
}
// set the cache safe value for the property and mark it as loaded
copyData[propertyIndex] = props[i].getCacheDataValue(updateBean);
copyLoaded[propertyIndex] = true;
}
}
return new CachedBeanData(null, copyLoaded, copyData, newNaturalKey, oldNaturalKey);
}
}