#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/cache/CachedBeanDataFromBean.java

@@ -0,0 +1,69 @@
+package io.ebeaninternal.server.cache;
+
+import io.ebean.bean.EntityBean;
+import io.ebean.bean.EntityBeanIntercept;
+import io.ebeaninternal.server.deploy.BeanDescriptor;
+import io.ebeaninternal.server.deploy.BeanProperty;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class CachedBeanDataFromBean {
+
+
+  public static CachedBeanData extract(BeanDescriptor<?> desc, EntityBean bean) {
+
+    EntityBeanIntercept ebi = bean._ebean_getIntercept();
+
+    Map<String, Object> data = new LinkedHashMap<>();
+
+    BeanProperty idProperty = desc.getIdProperty();
+    if (idProperty != null) {
+      int propertyIndex = idProperty.getPropertyIndex();
+      if (ebi.isLoadedProperty(propertyIndex)) {
+        data.put(idProperty.getName(), idProperty.getCacheDataValue(bean));
+      }
+    }
+    BeanProperty[] props = desc.propertiesNonMany();
+
+    // extract all the non-many properties
+    for (BeanProperty prop : props) {
+      if (ebi.isLoadedProperty(prop.getPropertyIndex())) {
+        data.put(prop.getName(), prop.getCacheDataValue(bean));
+      }
+    }
+
+    long version = desc.getVersion(bean);
+    EntityBean sharableBean = createSharableBean(desc, bean, ebi);
+    return new CachedBeanData(sharableBean, desc.getDiscValue(), data, version);
+  }
+
+  private static EntityBean createSharableBean(BeanDescriptor<?> desc, EntityBean bean, EntityBeanIntercept beanEbi) {
+
+    if (!desc.isCacheSharableBeans() || !beanEbi.isFullyLoadedBean()) {
+      return null;
+    }
+    if (beanEbi.isReadOnly()) {
+      return bean;
+    }
+
+    // create a readOnly sharable instance by copying the data
+    EntityBean sharableBean = desc.createEntityBean();
+    BeanProperty idProp = desc.getIdProperty();
+    if (idProp != null) {
+      Object v = idProp.getValue(bean);
+      idProp.setValue(sharableBean, v);
+    }
+    BeanProperty[] propertiesNonTransient = desc.propertiesNonTransient();
+    for (BeanProperty aPropertiesNonTransient : propertiesNonTransient) {
+      Object v = aPropertiesNonTransient.getValue(bean);
+      aPropertiesNonTransient.setValue(sharableBean, v);
+    }
+    EntityBeanIntercept intercept = sharableBean._ebean_intercept();
+    intercept.setReadOnly(true);
+    intercept.setLoaded();
+    return sharableBean;
+  }
+
+
+}