Merge "Fixed publishDataChangeEvent in 2phase commit"

[controller.git] / opendaylight / configuration / implementation / src / main / java / org / opendaylight / controller / configuration / internal / ConfigurationService.java

diff --git a/opendaylight/configuration/implementation/src/main/java/org/opendaylight/controller/configuration/internal/ConfigurationService.java b/opendaylight/configuration/implementation/src/main/java/org/opendaylight/controller/configuration/internal/ConfigurationService.java
index e6bbcf8eb6cdacfe81232e52201f2588bd91e7d9..e4d55d11fb39e126d2dbb99f0ceb0cb6672d7069 100644 (file)
--- a/opendaylight/configuration/implementation/src/main/java/org/opendaylight/controller/configuration/internal/ConfigurationService.java
+++ b/opendaylight/configuration/implementation/src/main/java/org/opendaylight/controller/configuration/internal/ConfigurationService.java
@@ -9,9 +9,11 @@
 
 package org.opendaylight.controller.configuration.internal;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ConcurrentMap;
 
@@ -21,10 +23,15 @@ import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
 import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
 import org.opendaylight.controller.clustering.services.IClusterServices;
 import org.opendaylight.controller.configuration.ConfigurationEvent;
+import org.opendaylight.controller.configuration.ConfigurationObject;
 import org.opendaylight.controller.configuration.IConfigurationAware;
 import org.opendaylight.controller.configuration.IConfigurationService;
-import org.opendaylight.controller.sal.utils.StatusCode;
+import org.opendaylight.controller.sal.utils.GlobalConstants;
+import org.opendaylight.controller.sal.utils.IObjectReader;
+import org.opendaylight.controller.sal.utils.ObjectReader;
+import org.opendaylight.controller.sal.utils.ObjectWriter;
 import org.opendaylight.controller.sal.utils.Status;
+import org.opendaylight.controller.sal.utils.StatusCode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -39,10 +46,13 @@ public class ConfigurationService implements IConfigurationService, ICacheUpdate
     private static final Logger logger = LoggerFactory
             .getLogger(ConfigurationService.class);
     public static final String SAVE_EVENT_CACHE = "config.event.save";
+    private static final Object ROOT = GlobalConstants.STARTUPHOME.toString();
     private IClusterGlobalServices clusterServices;
     private ConcurrentMap <ConfigurationEvent, String> configEvent;
     private Set<IConfigurationAware> configurationAwareList = Collections
             .synchronizedSet(new HashSet<IConfigurationAware>());
+    private ObjectReader objReader;
+    private ObjectWriter objWriter;
 
 
     public int getConfigurationAwareListSize() {
@@ -78,6 +88,8 @@ public class ConfigurationService implements IConfigurationService, ICacheUpdate
     public void start() {
         allocateCache();
         retrieveCache();
+        objReader = new ObjectReader();
+        objWriter = new ObjectWriter();
     }
 
     public void destroy() {
@@ -164,4 +176,26 @@ public class ConfigurationService implements IConfigurationService, ICacheUpdate
             logger.error("Failed to retrieve configuration Cache");
         }
     }
+
+    @Override
+    public Status persistConfiguration(List<ConfigurationObject> config, String fileName) {
+        String destination = String.format("%s%s", ROOT, fileName);
+        return objWriter.write(config, destination);
+    }
+
+    @Override
+    public List<ConfigurationObject> retrieveConfiguration(IObjectReader reader, String fileName) {
+        if (!clusterServices.amICoordinator()) {
+            return Collections.emptyList();
+        }
+        String source = String.format("%s%s", ROOT, fileName);
+        Object obj = objReader.read(reader, source);
+        if (obj == null) {
+            return Collections.<ConfigurationObject> emptyList();
+        }
+        if (obj instanceof ConcurrentMap) {
+            return new ArrayList<ConfigurationObject>(((ConcurrentMap)obj).values());
+        }
+        return (List<ConfigurationObject>) obj;
+    }
 }