DM-10370: forgot to commit ObjectSizeEngineWrapper.java

Author: robyww

src/firefly/java/edu/caltech/ipac/firefly/server/cache/ObjectSizeEngineWrapper.java

@@ -0,0 +1,47 @@
+/*
+ * License information at https://github.com/Caltech-IPAC/firefly/blob/master/License.txt
+ */
+
+package edu.caltech.ipac.firefly.server.cache;
+
+
+import net.sf.ehcache.pool.Size;
+import net.sf.ehcache.pool.SizeOfEngine;
+import net.sf.ehcache.pool.impl.DefaultSizeOfEngine;
+
+/**
+ * @author Trey Roby
+ */
+public class ObjectSizeEngineWrapper extends DefaultSizeOfEngine {
+
+    public ObjectSizeEngineWrapper() {
+        super(1000, false);
+    }
+    public ObjectSizeEngineWrapper(int maxDepth, boolean abortWhenMaxDepthExceeded) {
+        super(maxDepth, abortWhenMaxDepthExceeded);
+    }
+
+    public ObjectSizeEngineWrapper(int maxDepth, boolean abortWhenMaxDepthExceeded, boolean silent) {
+        super(maxDepth, abortWhenMaxDepthExceeded, silent);
+    }
+
+    @Override
+    public SizeOfEngine copyWith(int maxDepth, boolean abortWhenMaxDepthExceeded) {
+//        return super.copyWith(maxDepth, abortWhenMaxDepthExceeded);
+        return new ObjectSizeEngineWrapper(maxDepth, abortWhenMaxDepthExceeded);
+    }
+
+    @Override
+    public Size sizeOf(Object key, Object value, Object container) {
+        return (value instanceof BluffSize) ?
+                 new Size(((BluffSize)value).getSize(), true) :
+                 super.sizeOf(key,value,container);
+    }
+
+    static public class BluffSize {
+        private long size;
+        public BluffSize(long size) {this.size= size;}
+        public long getSize() { return size; }
+    }
+}
+