Add datastore methods to check whether node config is cached

Author: Lloyd Watkin

src/main/java/org/buddycloud/channelserver/db/NodeStore.java

@@ -536,6 +536,14 @@ void deleteNodeItemById(String nodeId, String nodeItemId)
 	 */
 	boolean isCachedJID(JID jid) throws NodeStoreException;
 
+    /**
+     * Return whether node config is cached locally
+     * 
+     * @param nodeId
+     * @return
+     * @throws NodeStoreException
+     */
+	boolean isCachedNodeConfig(String nodeId) throws NodeStoreException;
 
 	/**
 	 * Allows the server to determine if the requested (subscriptions) node 

src/main/java/org/buddycloud/channelserver/db/jdbc/JDBCNodeStore.java

@@ -1643,6 +1643,11 @@ public ArrayList<String> getNodeList() throws NodeStoreException {
 	public boolean isCachedNode(String nodeId) throws NodeStoreException {
 		return (this.countNodeItems(nodeId) > 0);
 	}
+	
+	@Override
+	public boolean isCachedNodeConfig(String nodeId) throws NodeStoreException {
+		return (this.getNodeConf(nodeId).size() > 0);
+	}
 
 	@Override
 	public boolean isCachedJID(JID jid) throws NodeStoreException {

src/test/java/org/buddycloud/channelserver/db/jdbc/JDBCNodeStoreTest.java

@@ -489,6 +489,17 @@ public void testGetNodeConf() throws Exception {
 					entry.getValue(), result.get(entry.getKey()));
 		}
 	}
+	
+	@Test
+	public void testNodeWithConfigSaysConfigIsCached() throws Exception {
+		dbTester.loadData("node_1");
+		Assert.assertTrue(store.isCachedNodeConfig(TEST_SERVER1_NODE1_ID));
+	}
+	
+	@Test
+	public void testNodeWithoutConfigSaysConfigNotCached() throws Exception {
+		Assert.assertFalse(store.isCachedNodeConfig(TEST_SERVER1_NODE1_ID));
+	}
 
 	@Test
 	public void testAddUserSubscriptionNewSubscription() throws Exception {