Add Period support via CompoundTypePeriod, rename server/reflect to server/properties

src/main/java/com/avaje/ebeaninternal/server/properties/BeanPropertiesReader.java

@@ -0,0 +1,45 @@
+package com.avaje.ebeaninternal.server.properties;
+
+import java.lang.reflect.Field;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Determines the properties on a given bean.
+ */
+public class BeanPropertiesReader {
+
+  private final Map<String,Integer> propertyIndexMap = new HashMap<String,Integer>();
+  
+  private final String[] props;
+  
+  public BeanPropertiesReader(Class<?> clazz) {
+    this.props = getProperties(clazz);
+    for (int i=0; i<props.length; i++) {
+      propertyIndexMap.put(props[i], Integer.valueOf(i));
+    }  
+  }
+  
+  public String[] getProperties() {
+    return props;
+  }
+  
+  public String toString() {
+    return Arrays.toString(props);
+  }
+
+  public Integer getPropertyIndex(String property) {
+    return propertyIndexMap.get(property);
+  }
+  
+  private String[] getProperties(Class<?> clazz) {
+    try {
+      Field field = clazz.getField("_ebean_props");
+      return (String[]) field.get(null);
+
+    } catch (Exception e) {
+      throw new IllegalStateException("Error getting _ebean_props field on type "+clazz, e);
+    }
+  }
+}