#1152 - Refactor EJson internals extracting io.ebean.service.SpiJsonService

src/main/java/io/ebeaninternal/json/ModifyAwareFlag.java

@@ -0,0 +1,28 @@
+package io.ebeaninternal.json;
+
+/**
+ * Detects when content has been modified and as such needs to be persisted (included in an update).
+ */
+public class ModifyAwareFlag implements ModifyAwareOwner {
+
+  private static final long serialVersionUID = 1;
+
+  boolean dirty;
+
+  @Override
+  public boolean isMarkedDirty() {
+    if (!dirty) return false;
+    dirty = false;
+    return true;
+  }
+
+  @Override
+  public void markAsModified() {
+    dirty = true;
+  }
+
+  @Override
+  public void resetMarkedDirty() {
+    dirty = false;
+  }
+}