public void testPersistence()
{
fRC = RequestCache.GetInstance(fAgent);
storeAssertedRequests(fRC);
fRC.Close();
// Create a new instance. This one should retrieve its settings from the persistence mechanism
fRC = RequestCache.GetInstance(fAgent);
assertStoredRequests(fRC, true);
fRC.Close();
fRC = RequestCache.GetInstance(fAgent);
Assertion.AssertEquals("Should have zero pending requests", 0, fRC.ActiveRequestCount);
}
public void tearDown()
{
if (fRC != null)
{
fRC.Close();
fRC = null;
}
String fname = fAgent.HomeDir + Path.DirectorySeparatorChar + "work" + Path.DirectorySeparatorChar +
"requestcache.adk";
File.Delete(fname);
//File f = new File(fname);
//f.delete();
}
/// <summary> Get a RequestCache instance</summary>
public static RequestCache GetInstance( Agent agent )
{
if ( sSingleton == null ) {
String cls = Properties.GetProperty( "adkglobal.factory.RequestCache" );
try {
if ( cls == null ) {
sSingleton = new RequestCacheFile();
}
else {
sSingleton = (RequestCache) ClassFactory.CreateInstance( cls );
}
sSingleton.Initialize( agent );
}
catch ( Exception thr ) {
sSingleton = null;
throw new AdkException
( "Adk could not create an instance of the class " + cls + ": " + thr, null,
thr );
}
}
return sSingleton;
}
private void storeRequest(
RequestCache rc,
SIF_Request request,
Query q,
String msgID,
String objectName)
{
//request.getSIF_Query().getSIF_QueryObject().setObjectName(objectName);
request.SIF_Query.SIF_QueryObject.ObjectName = objectName;
request.Header.SIF_MsgId = msgID;
rc.StoreRequestInfo(request, q, null);
}
/**
* Stores the items in the cache that will later be asserted
* @param cache
*/
private void storeAssertedRequests(RequestCache cache)
{
SIF_QueryObject obj = new SIF_QueryObject("");
SIF_Query query = new SIF_Query(obj);
SIF_Request request = new SIF_Request();
request.SIF_Query = query;
Query q;
TestState ts;
fMsgIds = new String[10];
fStateObjects = new String[10];
// Add 10 entries to the cache, interspersed with other entries that are removed
for (int i = 0; i < 10; i++)
{
ts = new TestState();
ts.State = Adk.MakeGuid();
fStateObjects[i] = ts.State;
q = new Query(StudentDTD.STUDENTPERSONAL);
q.UserData = ts;
String phantom1 = Adk.MakeGuid();
String phantom2 = Adk.MakeGuid();
storeRequest(cache, request, q, phantom1, "foo");
fMsgIds[i] = Adk.MakeGuid();
storeRequest(cache, request, q, fMsgIds[i], "Object_" + i.ToString());
storeRequest(cache, request, q, phantom2, "bar");
cache.GetRequestInfo(phantom1, null);
cache.GetRequestInfo(phantom2, null);
}
}
/**
* Asserts that the items stored in the storeAssertedRequests call
* are still in the cache
* @param cache The RequestCache class to assert
* @param testRemoval True if the items in the cache should be removed
* and asserted that they are removed
*/
private void assertStoredRequests(RequestCache cache, Boolean testRemoval)
{
Assertion.AssertEquals("Active request count", fMsgIds.Length, cache.ActiveRequestCount);
// Lookup each setting,
for (int i = 0; i < fMsgIds.Length; i++)
{
IRequestInfo reqInfo = cache.LookupRequestInfo(fMsgIds[i], null);
Assertion.AssertEquals("Initial lookup", "Object_" + i.ToString(), reqInfo.ObjectType);
Assertion.AssertEquals("User Data is missing for " + i, fStateObjects[i],
(String) ((TestState) reqInfo.UserData).State);
}
if (testRemoval)
{
// Lookup each setting,
for (int i = 0; i < fMsgIds.Length; i++)
{
IRequestInfo reqInfo = cache.GetRequestInfo(fMsgIds[i], null);
Assertion.AssertEquals("Initial lookup", "Object_" + i.ToString(), reqInfo.ObjectType);
Assertion.AssertEquals("User Data is missing for " + i, fStateObjects[i],
(String) ((TestState) reqInfo.UserData).State);
}
// all messages should now be removed from the queue
Assertion.AssertEquals("Cache should be empty", 0, cache.ActiveRequestCount);
}
}
public void testWithReadOnlyFile()
{
// Make the existing cache file readonly
String fname = fAgent.HomeDir + Path.DirectorySeparatorChar + "work" + Path.DirectorySeparatorChar +
"requests.adk";
FileInfo fi = new FileInfo(fname);
//= new File(fname);
if (!fi.Exists)
{
StreamWriter sw = fi.CreateText();
//sw.WriteLine("");
sw.Flush();
sw.Close();
// RandomAccessFile raf = new RandomAccessFile(fname, "rw");
// raf.setLength(0);
//raf.close();
}
fi.IsReadOnly = true;
try
{
fRC = RequestCache.GetInstance(fAgent); //this should throw adk exception
}
catch (AdkException)
{
return;
}
finally
{
fi.IsReadOnly = false;
fi.Delete();
}
//should never get here
Assertion.AssertEquals("Exception should have been thrown because request cache file is readonly", true,
false);
}
public void testWithLegacyFile()
{
//assertStoredRequests(fRC, true);
// Copy the legacy requests.adk file to the agent work directory
//FileInfo legacyFile = new FileInfo("requests.adk");
//Assertion.Assert("Saved legacy file does [not?] exist", legacyFile.Exists);
//FileInfo copiedFile = new FileInfo(fAgent.HomeDir + Path.DirectorySeparatorChar + "work" + Path.DirectorySeparatorChar + "requests.adk");
//if (copiedFile.Exists)
//{
// copiedFile.Delete();
//}
//// Copy the file
//legacyFile.CopyTo(copiedFile.FullName, true);
// Now open up an instance of the request cache and verify that the contents are there
fRC = RequestCache.GetInstance(fAgent);
SIF_QueryObject obj = new SIF_QueryObject("");
SIF_Query query = new SIF_Query(obj);
SIF_Request request = new SIF_Request();
request.SIF_Query = query;
Query q;
TestState ts;
fMsgIds = new String[10];
fStateObjects = new String[10];
// Add 10 entries to the cache
for (int i = 0; i < 10; i++)
{
ts = new TestState();
ts.State = Adk.MakeGuid();
fStateObjects[i] = (String) ts.State;
q = new Query(StudentDTD.STUDENTPERSONAL);
q.UserData = ts;
fMsgIds[i] = Adk.MakeGuid();
storeRequest(fRC, request, q, fMsgIds[i], "Object_" + i.ToString());
}
Assertion.AssertEquals("Active request count", 10, fRC.ActiveRequestCount);
// Lookup each setting,
for (int i = 0; i < 10; i++)
{
IRequestInfo reqInfo = fRC.LookupRequestInfo(fMsgIds[i], null);
Assertion.AssertEquals("Initial lookup", "Object_" + i.ToString(), reqInfo.ObjectType);
}
// Lookup each setting,
for (int i = 0; i < 10; i++)
{
IRequestInfo reqInfo = fRC.GetRequestInfo(fMsgIds[i], null);
Assertion.AssertEquals("Initial lookup", "Object_" + i.ToString(), reqInfo.ObjectType);
}
// all messages should now be removed from the queue
Assertion.AssertEquals("Cache should be empty", 0, fRC.ActiveRequestCount);
// Now run one of our other tests
testPersistence();
}
public void testWithCorruptFile()
{
// Delete the existing cache file, if it exists
String fname = fAgent.HomeDir + Path.DirectorySeparatorChar + "work" + Path.DirectorySeparatorChar +
"requestcache.adk";
FileInfo fi = new FileInfo(fname);
StreamWriter sw = fi.CreateText();
sw.WriteLine("!@#$!@#$");
sw.Flush();
sw.Close();
//RandomAccessFile raf = new RandomAccessFile(fname, "rw");
//raf.writeChars("!@#$!@#$");
// raf.close();
fRC = RequestCache.GetInstance(fAgent);
storeAssertedRequests(fRC);
fRC.Close();
// Create a new instance. This one should retrieve its settings from the persistence mechanism
fRC = RequestCache.GetInstance(fAgent);
assertStoredRequests(fRC, true);
}
public void testSimpleCase()
{
fRC = RequestCache.GetInstance(fAgent);
storeAssertedRequests(fRC);
assertStoredRequests(fRC, true);
}
public void testPersistenceWithRemoval()
{
fRC = RequestCache.GetInstance(fAgent);
SIF_QueryObject obj = new SIF_QueryObject("");
SIF_Query query = new SIF_Query(obj);
SIF_Request request = new SIF_Request();
request.SIF_Query = query;
Query q = new Query(StudentDTD.STUDENTPERSONAL);
String testStateItem = Adk.MakeGuid();
TestState ts = new TestState();
ts.State = testStateItem;
q.UserData = ts;
fMsgIds = new String[10];
// Add 10 entries to the cache, interspersed with other entries that are removed
for (int i = 0; i < 10; i++)
{
String phantom1 = Adk.MakeGuid();
String phantom2 = Adk.MakeGuid();
storeRequest(fRC, request, q, phantom1, "foo");
fMsgIds[i] = Adk.MakeGuid();
storeRequest(fRC, request, q, fMsgIds[i], "Object_" + i);
storeRequest(fRC, request, q, phantom2, "bar");
fRC.GetRequestInfo(phantom1, null);
fRC.GetRequestInfo(phantom2, null);
}
// remove every other entry, close, re-open and assert that the correct entries are there
for (int i = 0; i < 10; i += 2)
{
fRC.GetRequestInfo(fMsgIds[i], null);
}
Assertion.AssertEquals("Before closing Should have five objects", 5, fRC.ActiveRequestCount);
fRC.Close();
// Create a new instance. This one should retrieve its settings from the persistence mechanism
fRC = RequestCache.GetInstance(fAgent);
Assertion.AssertEquals("After Re-Openeing Should have five objects", 5, fRC.ActiveRequestCount);
for (int i = 1; i < 10; i += 2)
{
IRequestInfo cachedInfo = fRC.GetRequestInfo(fMsgIds[i], null);
Assertion.AssertNotNull("No cachedID returned for " + i, cachedInfo);
}
Assertion.AssertEquals("Should have zero objects", 0, fRC.ActiveRequestCount);
}
/// <summary> Closes the RequestCache</summary>
public virtual void Close()
{
sSingleton = null;
}
/// <summary> Constructs a MessageDispatcher for a zone</summary>
public MessageDispatcher(ZoneImpl zone)
{
fRequestCache = RequestCache.GetInstance(zone.Agent);
fZone = zone;
fQueue = zone.fQueue;
if (fQueue != null)
{
if (!fQueue.Ready)
{
throw new AdkQueueException
(
"Agent Queue is not ready for agent \"" + zone.Agent.Id + "\" zone \"" +
zone.ZoneId + "\"",
fZone);
}
Thread thread = new Thread(new ThreadStart(this.Run));
thread.Name = zone.Agent.Id + "@" + zone.ZoneId + ".MessageDispatcher";
thread.Start();
}
fSourceId = zone.Agent.Id;
fKeepMsg = zone.Agent.Properties.KeepMessageContent;
fAckAckOnPull = zone.Agent.Properties.PullAckAck;
try
{
fParser = SifParser.NewInstance();
}
catch (AdkException adke)
{
throw new ApplicationException(adke.ToString());
}
}
/// <summary> Closes the RequestCache</summary>
public virtual void Close()
{
sSingleton = null;
}
