diff --git a/dcm4chee-conf-db/pom.xml b/dcm4chee-conf-db/pom.xml
index 5c21346..d377351 100644
--- a/dcm4chee-conf-db/pom.xml
+++ b/dcm4chee-conf-db/pom.xml
@@ -51,7 +51,7 @@
     <version>1.0.0-SNAPSHOT</version>	
   </parent>
     <properties>
-        <ds>java:/ConfigDS</ds>
+        <ds>java:/PacsDS</ds>
         <hbm2ddl.auto>validate</hbm2ddl.auto>
         <show_sql>false</show_sql>
         <project.classifier></project.classifier>
diff --git a/dcm4chee-conf-db/src/main/java/org/dcm4chee/conf/storage/SemiSerializedDBConfigStorage.java b/dcm4chee-conf-db/src/main/java/org/dcm4chee/conf/storage/SemiSerializedDBConfigStorage.java
index 53f5928..4d879d5 100644
--- a/dcm4chee-conf-db/src/main/java/org/dcm4chee/conf/storage/SemiSerializedDBConfigStorage.java
+++ b/dcm4chee-conf-db/src/main/java/org/dcm4chee/conf/storage/SemiSerializedDBConfigStorage.java
@@ -80,7 +80,7 @@ public Map<String, Object> getConfigurationRoot() throws ConfigurationException
 
     @Override
     public Object getConfigurationNode(String path, Class configurableClass) throws ConfigurationException {
-        return ConfigNodeUtil.getNode(db.getFullTree(), path);
+        return ConfigNodeUtil.getNode(getConfigurationRoot(), path);
     }
 
     @Override
diff --git a/dcm4chee-conf-infinispan/src/main/java/infinispan/InfinispanConfigurationCacheFactory.java b/dcm4chee-conf-infinispan/src/main/java/infinispan/InfinispanConfigurationCacheFactory.java
deleted file mode 100644
index c77da0f..0000000
--- a/dcm4chee-conf-infinispan/src/main/java/infinispan/InfinispanConfigurationCacheFactory.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package infinispan;
-
-import org.infinispan.Cache;
-import org.infinispan.manager.EmbeddedCacheManager;
-
-import javax.annotation.Resource;
-import javax.enterprise.context.ApplicationScoped;
-
-@ApplicationScoped
-public class InfinispanConfigurationCacheFactory {
-
-    @Resource(lookup="java:jboss/infinispan/dcm4che-config")
-    private EmbeddedCacheManager defaultCacheManager;
-
-    public Cache getDevicesCache() {
-        return defaultCacheManager.getCache();
-    }
-    public Cache getMetadataCache() {
-        return defaultCacheManager.getCache("metadata");
-    }
-
-}
diff --git a/dcm4chee-conf-infinispan/src/main/java/infinispan/CachedDicomConfigurationDecorator.java b/dcm4chee-conf-infinispan/src/main/java/infinispan/InfinispanDicomConfigurationDecorator.java
similarity index 71%
rename from dcm4chee-conf-infinispan/src/main/java/infinispan/CachedDicomConfigurationDecorator.java
rename to dcm4chee-conf-infinispan/src/main/java/infinispan/InfinispanDicomConfigurationDecorator.java
index 413fa29..8914e5c 100644
--- a/dcm4chee-conf-infinispan/src/main/java/infinispan/CachedDicomConfigurationDecorator.java
+++ b/dcm4chee-conf-infinispan/src/main/java/infinispan/InfinispanDicomConfigurationDecorator.java
@@ -1,42 +1,54 @@
 package infinispan;
 
-import org.dcm4che3.conf.core.DelegatingConfiguration;
 import org.dcm4che3.conf.core.api.Configuration;
 import org.dcm4che3.conf.core.api.ConfigurationException;
 import org.dcm4che3.conf.core.util.ConfigNodeUtil;
 import org.infinispan.Cache;
+import org.infinispan.manager.EmbeddedCacheManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import javax.annotation.PostConstruct;
+import javax.annotation.Resource;
+import javax.decorator.Decorator;
+import javax.decorator.Delegate;
+import javax.inject.Inject;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
 
-//TODO: convert to CDI decorator
-public class CachedDicomConfigurationDecorator extends DelegatingConfiguration {
+@Decorator
+public abstract class InfinispanDicomConfigurationDecorator implements Configuration {
 
 
-    private static Logger log = LoggerFactory
-            .getLogger(CachedDicomConfigurationDecorator.class);
+    @Inject
+    @Delegate
+    Configuration delegate;
+
+    @Resource(lookup = "java:jboss/infinispan/dcm4che-config")
+    private EmbeddedCacheManager defaultCacheManager;
 
+    @PostConstruct
+    public void init() {
+        serializedDevicesCache = defaultCacheManager.getCache();
+        metadataCache = defaultCacheManager.getCache("metadata");
+    }
+
+    private static Logger log = LoggerFactory
+            .getLogger(InfinispanDicomConfigurationDecorator.class);
 
 
     private Cache<String, Object> serializedDevicesCache;
-    private Cache<String, Object> metadataCache;
 
-    public CachedDicomConfigurationDecorator(Configuration delegate, Cache<String, Object> serializedDevicesCache, Cache<String, Object> metadataCache) {
-        super(delegate);
-        this.serializedDevicesCache = serializedDevicesCache;
-        this.metadataCache = metadataCache;
-    }
+    private Cache<String, Object> metadataCache;
 
     @Override
     public Map<String, Object> getConfigurationRoot() throws ConfigurationException {
 
         // if cache not inited
-        if (serializedDevicesCache.isEmpty()) {
-            Map<String, Object> configurationRoot = super.getConfigurationRoot();
+        if (!metadataCache.containsKey("deviceNames")) {
+            Map<String, Object> configurationRoot = delegate.getConfigurationRoot();
 
             Map<String, Object> dicomConfigurationRoot = (Map<String, Object>) configurationRoot.get("dicomConfigurationRoot");
             Map<String, Object> dicomDevicesRoot = (Map<String, Object>) dicomConfigurationRoot.get("dicomDevicesRoot");
@@ -74,23 +86,22 @@ public Object getConfigurationNode(String path, Class configurableClass) throws
 
     @Override
     public boolean nodeExists(String path) throws ConfigurationException {
-        return false;
+        return ConfigNodeUtil.nodeExists(getConfigurationRoot(), path);
     }
 
-    @Override
-    public void persistNode(String path, Map<String, Object> configNode, Class configurableClass) throws ConfigurationException {
-        metadataCache.clear();
-        serializedDevicesCache.clear();
-    }
 
+    // TODO: opt
     @Override
-    public void refreshNode(String path) throws ConfigurationException {
+    public void persistNode(String path, Map<String, Object> configNode, Class configurableClass) throws ConfigurationException {
+        delegate.persistNode(path, configNode, configurableClass);
         metadataCache.clear();
         serializedDevicesCache.clear();
     }
 
+    // TODO: opt
     @Override
     public void removeNode(String path) throws ConfigurationException {
+        delegate.removeNode(path);
         metadataCache.clear();
         serializedDevicesCache.clear();
     }