#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/properties/EnhanceBeanPropertyAccess.java

@@ -0,0 +1,82 @@
+package io.ebeaninternal.server.properties;
+
+import io.ebean.bean.EntityBean;
+
+/**
+ * Returns Getter and Setter methods based on EntityBean enhancement and field position.
+ */
+public final class EnhanceBeanPropertyAccess implements BeanPropertyAccess {
+
+  private static final int CACHE_SIZE = 30;
+
+  private final BeanPropertyGetter[] getters = initGetters(CACHE_SIZE);
+  private final BeanPropertySetter[] setters = initSetters(CACHE_SIZE);
+
+  public EnhanceBeanPropertyAccess() {
+  }
+
+  private BeanPropertyGetter[] initGetters(int count) {
+    BeanPropertyGetter[] getters = new BeanPropertyGetter[count];
+    for (int i = 0; i < count; i++) {
+      getters[i] = new Getter(i);
+    }
+    return getters;
+  }
+
+  private BeanPropertySetter[] initSetters(int count) {
+    BeanPropertySetter[] setters = new BeanPropertySetter[count];
+    for (int i = 0; i < count; i++) {
+      setters[i] = new Setter(i);
+    }
+    return setters;
+  }
+
+  public BeanPropertyGetter getGetter(int position) {
+    if (position < CACHE_SIZE) {
+      return getters[position];
+    }
+    return new Getter(position);
+  }
+
+  public BeanPropertySetter getSetter(int position) {
+    if (position < CACHE_SIZE) {
+      return setters[position];
+    }
+    return new Setter(position);
+  }
+
+  private static final class Getter implements BeanPropertyGetter {
+
+    private final int fieldIndex;
+
+    Getter(int fieldIndex) {
+      this.fieldIndex = fieldIndex;
+    }
+
+    public Object get(EntityBean bean) {
+      return bean._ebean_getField(fieldIndex);
+    }
+
+    public Object getIntercept(EntityBean bean) {
+      return bean._ebean_getFieldIntercept(fieldIndex);
+    }
+  }
+
+  private static final class Setter implements BeanPropertySetter {
+
+    private final int fieldIndex;
+
+    Setter(int fieldIndex) {
+      this.fieldIndex = fieldIndex;
+    }
+
+    public void set(EntityBean bean, Object value) {
+      bean._ebean_setField(fieldIndex, value);
+    }
+
+    public void setIntercept(EntityBean bean, Object value) {
+      bean._ebean_setFieldIntercept(fieldIndex, value);
+    }
+
+  }
+}