private void initPublisher(String pub, int strength)
{
mgr = new DDSEntityManager();
String partitionName = "Ownership example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport stkTS = new StockTypeSupport();
mgr.registerType(stkTS);
// create Topic
mgr.createTopic("StockTrackerExclusive", "Ownership");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
dwriter= mgr.getWriter();
OwnershipDataWriter = dwriter as StockDataWriter;
msft = new Stock();
msft.ticker = "MSFT";
msft.publisher = pub;
msft.strength = strength;
msftHandle = OwnershipDataWriter.RegisterInstance(msft);
}
private void initPublisher(String pub, int strength)
{
mgr = new DDSEntityManager("Ownership");
String partitionName = "Ownership example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport stkTS = new StockTypeSupport();
mgr.registerType(stkTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
dwriter = mgr.getWriter();
OwnershipDataWriter = dwriter as StockDataWriter;
msft = new Stock();
msft.ticker = "MSFT";
msft.publisher = pub;
msft.strength = strength;
msftHandle = OwnershipDataWriter.RegisterInstance(msft);
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("*** [ContentFilteredTopicDataSubscriber] Subscription string not specified");
Console.WriteLine("*** usage : ContentFilteredTopicDataSubscriber <subscription_string>");
Environment.Exit(-1);
}
ITopic topic;
DDSEntityManager mgr = new DDSEntityManager();
String partitionName = "ContentFilteredTopic example";
// Create DomainParticipant
mgr.createParticipant(partitionName);
// Create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// Create Topic
topic = mgr.createTopic("StockTrackerExclusive", "ContentFilteredTopic");
// ContentFilteredTopic
mgr.createContentFilter("MyStockTopic", topic, args[0]);
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Subscription filter : ticker = '{0}'",args[0]);
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader("ContentFilteredTopic", true);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader WaitSetReader = dreader as StockDataReader;
// Create WaitSet
IWaitSet w = new WaitSet();
// Status Condition
IStatusCondition status;
status = dreader.StatusCondition;
status.SetEnabledStatuses(StatusKind.DataAvailable);
ReturnCode result = ReturnCode.Error;
result = w.AttachCondition(status);
ErrorHandler.checkHandle(status, "DataReader.StatusCondition");
ErrorHandler.checkStatus(result, "WaitSet.AttachCondition");
DDS.ICondition[] conditionList;
DDS.SampleInfo[] infoSeq;
Stock[] stockSeq;
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Ready ...");
bool terminate = false;
int count = 0;
while (!terminate && count < 1500)
{
/**
* Wait until data will be available
*/
Duration wait_timeout = new Duration(Duration.InfiniteSec, Duration.InfiniteNanoSec);
conditionList = null;
result = w.Wait(ref conditionList, wait_timeout);
ErrorHandler.checkStatus(result, "WaitSet.Wait");
stockSeq = null;
infoSeq = null;
/**
* Read Data
*/
result = WaitSetReader.Take(ref stockSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(result, "StockDataReader.Take");
/**
* Display Data
*/
for (int i=0; i < stockSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (stockSeq[i].price == -1)
{
// We read the last expected sample => exit
terminate = true;
break;
}
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] receives stockQuote : ( {0} , {1} )",
stockSeq[i].ticker, stockSeq[i].price);
}
}
result = WaitSetReader.ReturnLoan(ref stockSeq, ref infoSeq);
ErrorHandler.checkStatus(result, "StockDataReader.ReturnLoan");
Thread.Sleep(200);
++count;
}
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Market Closed");
// clean up
mgr.getSubscriber().DeleteDataReader(WaitSetReader);
mgr.deleteSubscriber();
mgr.deleteContentFilteredTopic();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("ContentFilteredTopic");
String partitionName = "ContentFilteredTopic example";
// create Domain Participant
mgr.createParticipant(partitionName);
mgr.setAutoDispose(true);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
StockDataWriter ContentFilteredTopicDataWriter = dwriter as StockDataWriter;
Stock geStock = new Stock();
Stock msftStock = new Stock();
ReturnCode writeStatus;
geStock.ticker = "GE";
geStock.price = 12.00f;
msftStock.ticker = "MSFT";
msftStock.price = 25.00f;
InstanceHandle geHandle = ContentFilteredTopicDataWriter.RegisterInstance(geStock);
InstanceHandle msHandle = ContentFilteredTopicDataWriter.RegisterInstance(msftStock);
for (int i = 0; i < 20; i++)
{
geStock.price += 0.5f ;
msftStock.price += 1.5f;
Console.WriteLine("=== [ContentFilteredTopicDataPublisher] sends 2 stockQuotes : (GE, {0}) (MSFT, {1})", geStock.price, msftStock.price);
writeStatus = ContentFilteredTopicDataWriter.Write(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
writeStatus = ContentFilteredTopicDataWriter.Write(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
Thread.Sleep(100);
}
geStock.price = -1.0f;
msftStock.price = -1.0f;
writeStatus = ContentFilteredTopicDataWriter.Write(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write GE");
writeStatus = ContentFilteredTopicDataWriter.Write(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write MSFT");
Console.WriteLine("Market Closed");
ContentFilteredTopicDataWriter.UnregisterInstance(geStock, geHandle);
ContentFilteredTopicDataWriter.UnregisterInstance(msftStock, msHandle);
mgr.getPublisher().DeleteDataWriter(ContentFilteredTopicDataWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager();
String partitionName = "Ownership example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive", "Ownership");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader("Ownership", false);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader OwnershipDataReader = dreader as StockDataReader;
Stock[] msgSeq = null;
DDS.SampleInfo[] infoSeq = null;
Console.WriteLine("===[Subscriber] Ready ...");
Console.WriteLine(" Ticker Price Publisher ownership strength");
Boolean terminate = false;
ReturnCode status = ReturnCode.Error;
int count = 0;
while (!terminate && count < 1500)
{
OwnershipDataReader.Take(ref msgSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any,
ViewStateKind.Any, InstanceStateKind.Any);
for (int i = 0; i < msgSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (msgSeq[i].price < -0.0f)
{
terminate = true;
break;
}
Console.WriteLine(" {0} {1} {2} {3}", msgSeq[i].ticker,
msgSeq[i].price, msgSeq[i].publisher, msgSeq[i].strength);
}
}
status = OwnershipDataReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "StockDataReader.ReturnLoan");
Thread.Sleep(2);
++count;
Thread.Sleep(200);
}
Console.WriteLine("===[Subscriber] Market Closed");
// clean up
mgr.getSubscriber().DeleteDataReader(OwnershipDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("*** [ContentFilteredTopicDataSubscriber] Subscription string not specified");
Console.WriteLine("*** usage : ContentFilteredTopicDataSubscriber <subscription_string>");
Environment.Exit(-1);
}
ITopic topic;
DDSEntityManager mgr = new DDSEntityManager("ContentFilteredTopic");
String partitionName = "ContentFilteredTopic example";
// Create DomainParticipant
mgr.createParticipant(partitionName);
// Create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// Create Topic
topic = mgr.createTopic("StockTrackerExclusive");
// ContentFilteredTopic
mgr.createContentFilter("MyStockTopic", topic, args[0]);
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Subscription filter : ticker = '{0}'", args[0]);
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(true);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader WaitSetReader = dreader as StockDataReader;
// Create WaitSet
IWaitSet w = new WaitSet();
// Status Condition
IStatusCondition status;
status = dreader.StatusCondition;
status.SetEnabledStatuses(StatusKind.DataAvailable);
ReturnCode result = ReturnCode.Error;
result = w.AttachCondition(status);
ErrorHandler.checkHandle(status, "DataReader.StatusCondition");
ErrorHandler.checkStatus(result, "WaitSet.AttachCondition");
DDS.ICondition[] conditionList;
DDS.SampleInfo[] infoSeq;
Stock[] stockSeq;
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Ready ...");
bool terminate = false;
int count = 0;
while (!terminate && count < 1500)
{
/**
* Wait until data will be available
*/
Duration wait_timeout = new Duration(Duration.InfiniteSec, Duration.InfiniteNanoSec);
conditionList = null;
result = w.Wait(ref conditionList, wait_timeout);
ErrorHandler.checkStatus(result, "WaitSet.Wait");
stockSeq = null;
infoSeq = null;
/**
* Read Data
*/
result = WaitSetReader.Take(ref stockSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any);
ErrorHandler.checkStatus(result, "StockDataReader.Take");
/**
* Display Data
*/
for (int i = 0; i < stockSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (stockSeq[i].price == -1)
{
// We read the last expected sample => exit
terminate = true;
break;
}
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] receives stockQuote : ( {0} , {1} )",
stockSeq[i].ticker, stockSeq[i].price);
}
}
result = WaitSetReader.ReturnLoan(ref stockSeq, ref infoSeq);
ErrorHandler.checkStatus(result, "StockDataReader.ReturnLoan");
Thread.Sleep(200);
++count;
}
Console.WriteLine("=== [ContentFilteredTopicDataSubscriber] Market Closed");
// clean up
mgr.getSubscriber().DeleteDataReader(WaitSetReader);
mgr.deleteSubscriber();
mgr.deleteContentFilteredTopic();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Bad args number");
Console.WriteLine("*** [QueryConditionDataQuerySubscriber] Query string not specified");
Console.WriteLine("*** usage : QueryConditionDataQuerySubscriber <query_string>");
}
else
{
ITopic topic;
DDSEntityManager mgr = new DDSEntityManager("QueryCondition");
String partitionName = "QueryCondition example";
String QueryConditionDataToSubscribe = args[0];
// Create DomainParticipant
mgr.createParticipant(partitionName);
// Create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// Create Topic
topic = mgr.createTopic("StockTrackerExclusive");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(false);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader QueryConditionDataReader = dreader as StockDataReader;
String[] queryStr = { QueryConditionDataToSubscribe };
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Query : ticker = {0}", QueryConditionDataToSubscribe);
IQueryCondition qc = QueryConditionDataReader.CreateQueryCondition(
SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any, "ticker=%0", queryStr);
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Ready ...");
DDS.SampleInfo[] infoSeq = null;
Stock[] stockSeq = null;
ReturnCode status = ReturnCode.Error;
bool terminate = false;
int count = 0;
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Ready ...");
while (!terminate && count < 1500)
{
// Take Sample with Condition
status = QueryConditionDataReader.TakeWithCondition(ref stockSeq, ref infoSeq,
Length.Unlimited, qc);
ErrorHandler.checkStatus(status, "DataReader.TakeWithCondition");
/**
* Display Data
*/
for (int i = 0; i < stockSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (stockSeq[i].price == -1.0f)
{
terminate = true;
break;
}
Console.WriteLine("{0} : {1}", stockSeq[i].ticker, String.Format("{0:0.#}", stockSeq[i].price));
}
}
status = QueryConditionDataReader.ReturnLoan(ref stockSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "DataReader.ReturnLoan");
Thread.Sleep(200);
++count;
}
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Market Closed");
// clean up
QueryConditionDataReader.DeleteReadCondition(qc);
mgr.getSubscriber().DeleteDataReader(QueryConditionDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("ContentFilteredTopic");
String partitionName = "ContentFilteredTopic example";
// create Domain Participant
mgr.createParticipant(partitionName);
mgr.setAutoDispose(true);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
StockDataWriter ContentFilteredTopicDataWriter = dwriter as StockDataWriter;
Stock geStock = new Stock();
Stock msftStock = new Stock();
ReturnCode writeStatus;
geStock.ticker = "GE";
geStock.price = 12.00f;
msftStock.ticker = "MSFT";
msftStock.price = 25.00f;
InstanceHandle geHandle = ContentFilteredTopicDataWriter.RegisterInstance(geStock);
InstanceHandle msHandle = ContentFilteredTopicDataWriter.RegisterInstance(msftStock);
for (int i = 0; i < 20; i++)
{
geStock.price += 0.5f;
msftStock.price += 1.5f;
Console.WriteLine("=== [ContentFilteredTopicDataPublisher] sends 2 stockQuotes : (GE, {0}) (MSFT, {1})", geStock.price, msftStock.price);
writeStatus = ContentFilteredTopicDataWriter.Write(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
writeStatus = ContentFilteredTopicDataWriter.Write(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
Thread.Sleep(100);
}
geStock.price = -1.0f;
msftStock.price = -1.0f;
writeStatus = ContentFilteredTopicDataWriter.Write(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write GE");
writeStatus = ContentFilteredTopicDataWriter.Write(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write MSFT");
Console.WriteLine("Market Closed");
ContentFilteredTopicDataWriter.UnregisterInstance(geStock, geHandle);
ContentFilteredTopicDataWriter.UnregisterInstance(msftStock, msHandle);
mgr.getPublisher().DeleteDataWriter(ContentFilteredTopicDataWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager();
String partitionName = "QueryCondition example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive", "QueryCondition");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
StockDataWriter QueryConditionDataWriter = dwriter as StockDataWriter;
Stock geStock = new Stock();
Stock msftStock = new Stock();
ReturnCode writeStatus;
geStock.ticker = "GE";
geStock.price = 12.00f;
msftStock.ticker = "MSFT";
msftStock.price = 25.00f;
// Register Instances
InstanceHandle geHandle = QueryConditionDataWriter.RegisterInstance(geStock);
ErrorHandler.checkHandle(geHandle, "DataWriter.RegisterInstance (GE)");
InstanceHandle msHandle = QueryConditionDataWriter.RegisterInstance(msftStock);
ErrorHandler.checkHandle(msHandle, "DataWriter.RegisterInstance (MSFT)");
for (int i = 0; i < 20; i++)
{
geStock.price += 0.5f;
msftStock.ticker += 1.5f;
writeStatus = QueryConditionDataWriter.Write(geStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
writeStatus = QueryConditionDataWriter.Write(msftStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
Thread.Sleep(100);
Console.WriteLine("GE : {0} MSFT {1}",String.Format("{0:0.#}", geStock.price),
String.Format("{0:0.#}", msftStock.price));
}
geStock.price = -1.0f;
msftStock.price = -1.0f;
// Write samples
writeStatus = QueryConditionDataWriter.Write(geStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write (GE)");
writeStatus = QueryConditionDataWriter.Write(msftStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write (MS)");
// Dispose Instances
writeStatus = QueryConditionDataWriter.Dispose(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Dispose (GE)");
writeStatus = QueryConditionDataWriter.Dispose(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Dispose (MS)");
// Unregister Instances
writeStatus = QueryConditionDataWriter.UnregisterInstance(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.UnregisterInstance (GE)");
writeStatus = QueryConditionDataWriter.UnregisterInstance(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.UnregisterInstance(MS)");
// Clean up
mgr.getPublisher().DeleteDataWriter(QueryConditionDataWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("Ownership");
String partitionName = "Ownership example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader(false);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader OwnershipDataReader = dreader as StockDataReader;
Stock[] msgSeq = null;
DDS.SampleInfo[] infoSeq = null;
Console.WriteLine("===[Subscriber] Ready ...");
Console.WriteLine(" Ticker Price Publisher ownership strength");
Boolean terminate = false;
ReturnCode status = ReturnCode.Error;
int count = 0;
while (!terminate && count < 1500)
{
OwnershipDataReader.Take(ref msgSeq, ref infoSeq, Length.Unlimited, SampleStateKind.Any,
ViewStateKind.Any, InstanceStateKind.Any);
for (int i = 0; i < msgSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (msgSeq[i].price < -0.0f)
{
terminate = true;
break;
}
Console.WriteLine(" {0} {1} {2} {3}", msgSeq[i].ticker,
msgSeq[i].price, msgSeq[i].publisher, msgSeq[i].strength);
}
}
status = OwnershipDataReader.ReturnLoan(ref msgSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "StockDataReader.ReturnLoan");
Thread.Sleep(2);
++count;
Thread.Sleep(200);
}
Console.WriteLine("===[Subscriber] Market Closed");
// clean up
mgr.getSubscriber().DeleteDataReader(OwnershipDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Bad args number");
Console.WriteLine("*** [QueryConditionDataQuerySubscriber] Query string not specified");
Console.WriteLine("*** usage : QueryConditionDataQuerySubscriber <query_string>");
Environment.Exit(-1);
}
ITopic topic;
DDSEntityManager mgr = new DDSEntityManager();
String partitionName = "QueryCondition example";
String QueryConditionDataToSubscribe = args[0];
// Create DomainParticipant
mgr.createParticipant(partitionName);
// Create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// Create Topic
topic = mgr.createTopic("StockTrackerExclusive", "QueryCondition");
// create Subscriber
mgr.createSubscriber();
// create DataReader
mgr.createReader("QueryCondition", false);
// Read Events
IDataReader dreader = mgr.getReader();
StockDataReader QueryConditionDataReader = dreader as StockDataReader;
String[] queryStr = { QueryConditionDataToSubscribe };
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Query : ticker = {0}", QueryConditionDataToSubscribe);
IQueryCondition qc = QueryConditionDataReader.CreateQueryCondition(
SampleStateKind.Any, ViewStateKind.Any, InstanceStateKind.Any, "ticker=%0", queryStr);
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Ready ...");
DDS.SampleInfo[] infoSeq = null;
Stock[] stockSeq = null;
ReturnCode status = ReturnCode.Error;
bool terminate = false;
int count = 0;
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Ready ...");
while (!terminate && count < 1500)
{
// Take Sample with Condition
status = QueryConditionDataReader.TakeWithCondition(ref stockSeq, ref infoSeq,
Length.Unlimited, qc);
ErrorHandler.checkStatus(status, "DataReader.TakeWithCondition");
/**
* Display Data
*/
for (int i=0; i<stockSeq.Length; i++)
{
if (infoSeq[i].ValidData)
{
if (stockSeq[i].price == -1.0f)
{
terminate = true;
break;
}
Console.WriteLine("{0} : {1}", stockSeq[i].ticker, String.Format("{0:0.#}", stockSeq[i].price));
}
}
status = QueryConditionDataReader.ReturnLoan(ref stockSeq, ref infoSeq);
ErrorHandler.checkStatus(status, "DataReader.ReturnLoan");
Thread.Sleep(200);
++count;
}
Console.WriteLine("=== [QueryConditionDataQuerySubscriber] Market Closed");
// clean up
QueryConditionDataReader.DeleteReadCondition(qc);
mgr.getSubscriber().DeleteDataReader(QueryConditionDataReader);
mgr.deleteSubscriber();
mgr.deleteTopic();
mgr.deleteParticipant();
}
static void Main(string[] args)
{
DDSEntityManager mgr = new DDSEntityManager("QueryCondition");
String partitionName = "QueryCondition example";
// create Domain Participant
mgr.createParticipant(partitionName);
// create Type
StockTypeSupport msgTS = new StockTypeSupport();
mgr.registerType(msgTS);
// create Topic
mgr.createTopic("StockTrackerExclusive");
// create Publisher
mgr.createPublisher();
// create DataWriter
mgr.createWriter();
// Publish Events
IDataWriter dwriter = mgr.getWriter();
StockDataWriter QueryConditionDataWriter = dwriter as StockDataWriter;
Stock geStock = new Stock();
Stock msftStock = new Stock();
ReturnCode writeStatus;
geStock.ticker = "GE";
geStock.price = 12.00f;
msftStock.ticker = "MSFT";
msftStock.price = 25.00f;
// Register Instances
InstanceHandle geHandle = QueryConditionDataWriter.RegisterInstance(geStock);
ErrorHandler.checkHandle(geHandle, "DataWriter.RegisterInstance (GE)");
InstanceHandle msHandle = QueryConditionDataWriter.RegisterInstance(msftStock);
ErrorHandler.checkHandle(msHandle, "DataWriter.RegisterInstance (MSFT)");
for (int i = 0; i < 20; i++)
{
geStock.price += 0.5f;
msftStock.price += 1.5f;
writeStatus = QueryConditionDataWriter.Write(geStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
writeStatus = QueryConditionDataWriter.Write(msftStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write");
Thread.Sleep(100);
Console.WriteLine("GE : {0} MSFT {1}", String.Format("{0:0.#}", geStock.price),
String.Format("{0:0.#}", msftStock.price));
}
geStock.price = -1.0f;
msftStock.price = -1.0f;
// Write samples
writeStatus = QueryConditionDataWriter.Write(geStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write (GE)");
writeStatus = QueryConditionDataWriter.Write(msftStock, InstanceHandle.Nil);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Write (MS)");
// Dispose Instances
writeStatus = QueryConditionDataWriter.Dispose(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Dispose (GE)");
writeStatus = QueryConditionDataWriter.Dispose(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.Dispose (MS)");
// Unregister Instances
writeStatus = QueryConditionDataWriter.UnregisterInstance(geStock, geHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.UnregisterInstance (GE)");
writeStatus = QueryConditionDataWriter.UnregisterInstance(msftStock, msHandle);
ErrorHandler.checkStatus(writeStatus, "StockDataWriter.UnregisterInstance(MS)");
// Clean up
mgr.getPublisher().DeleteDataWriter(QueryConditionDataWriter);
mgr.deletePublisher();
mgr.deleteTopic();
mgr.deleteParticipant();
}
