public IQueryCondition CreateQueryCondition(
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates,
string queryExpression,
params string[] queryParameters)
{
IQueryCondition queryCondition = null;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
if (marshaler.CopyIn(queryParameters) == DDS.ReturnCode.Ok)
{
IntPtr gapiPtr = Gapi.DataReader.create_querycondition(
GapiPeer,
sampleStates,
viewStates,
instanceStates,
queryExpression,
marshaler.GapiPtr);
if (gapiPtr != IntPtr.Zero)
{
queryCondition = new QueryCondition(gapiPtr);
}
}
}
return queryCondition;
}
/// <summary>
/// This operation changes the query parameters associated with the QueryCondition.
/// </summary>
/// <param name="queryParameters">A sequence of strings which are the parameters used in the SQL query string
/// (i.e., the “%n” tokens in the expression).</param>
/// <returns>Return codes are:Ok,Error,BadParameter,AlreadyDeleted or OutOfResources.</returns>
public ReturnCode SetQueryParameters(params string[] queryParameters)
{
ReturnCode result = ReturnCode.Error;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
if (marshaler.CopyIn(queryParameters) == ReturnCode.Ok)
{
result = Gapi.QueryCondition.set_query_parameters(
GapiPeer,
marshaler.GapiPtr);
}
}
return(result);
}
public ReturnCode SetExpressionParameters(params string[] expressionParameters)
{
ReturnCode result;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
result = marshaler.CopyIn(expressionParameters);
if (result == DDS.ReturnCode.Ok)
{
result = Gapi.ContentFilteredTopic.set_expression_parameters(
GapiPeer,
marshaler.GapiPtr);
}
}
return result;
}
public ReturnCode SetExpressionParameters(params string[] expressionParameters)
{
ReturnCode result;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
result = marshaler.CopyIn(expressionParameters);
if (result == DDS.ReturnCode.Ok)
{
result = Gapi.ContentFilteredTopic.set_expression_parameters(
GapiPeer,
marshaler.GapiPtr);
}
}
return(result);
}
/// <summary>
/// This operation obtains the queryParameters associated with the QueryCondition
/// </summary>
/// <param name="queryParameters">A reference to a sequence of strings that will be
/// used to store the parameters used in the SQL expression</param>
/// <returns>Return codes are:Ok,Error,AlreadyDeleted or OutOfResources.</returns>
public ReturnCode GetQueryParameters(ref string[] queryParameters)
{
ReturnCode result = ReturnCode.Error;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
result = Gapi.QueryCondition.get_query_parameters(
GapiPeer,
marshaler.GapiPtr);
if (result == ReturnCode.Ok)
{
marshaler.CopyOut(ref queryParameters);
}
}
return result;
}
/// <summary>
/// This operation obtains the queryParameters associated with the QueryCondition
/// </summary>
/// <param name="queryParameters">A reference to a sequence of strings that will be
/// used to store the parameters used in the SQL expression</param>
/// <returns>Return codes are:Ok,Error,AlreadyDeleted or OutOfResources.</returns>
public ReturnCode GetQueryParameters(ref string[] queryParameters)
{
ReturnCode result = ReturnCode.Error;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
result = Gapi.QueryCondition.get_query_parameters(
GapiPeer,
marshaler.GapiPtr);
if (result == ReturnCode.Ok)
{
marshaler.CopyOut(ref queryParameters);
}
}
return(result);
}
public ReturnCode GetExpressionParameters(ref string[] expressionParameters)
{
ReturnCode result;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
result = Gapi.ContentFilteredTopic.get_expression_parameters(
GapiPeer,
marshaler.GapiPtr);
if (result == ReturnCode.Ok)
{
marshaler.CopyOut(ref expressionParameters);
}
else
{
expressionParameters = new string[0];
}
}
return result;
}
public ReturnCode GetExpressionParameters(ref string[] expressionParameters)
{
ReturnCode result;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
result = Gapi.ContentFilteredTopic.get_expression_parameters(
GapiPeer,
marshaler.GapiPtr);
if (result == ReturnCode.Ok)
{
marshaler.CopyOut(ref expressionParameters);
}
else
{
expressionParameters = new string[0];
}
}
return(result);
}
public IMultiTopic CreateMultiTopic(
string name,
string typeName,
string subscriptionExpression,
params string[] expressionParameters)
{
IMultiTopic multiTopic = null;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
if (marshaler.CopyIn(expressionParameters) == DDS.ReturnCode.Ok)
{
IntPtr gapiPtr = Gapi.DomainParticipant.create_multitopic(
GapiPeer,
name,
typeName,
subscriptionExpression,
marshaler.GapiPtr);
if (gapiPtr != IntPtr.Zero)
{
multiTopic = new MultiTopic(gapiPtr);
}
}
}
return multiTopic;
}
public IContentFilteredTopic CreateContentFilteredTopic(
string name,
ITopic relatedTopic,
string filterExpression,
params string[] expressionParameters)
{
IContentFilteredTopic contentFilteredTopic = null;
Topic related = relatedTopic as Topic;
if (relatedTopic != null)
{
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
if (marshaler.CopyIn(expressionParameters) == DDS.ReturnCode.Ok)
{
IntPtr gapiPtr = Gapi.DomainParticipant.create_contentfilteredtopic(
GapiPeer,
name,
related.GapiPeer,
filterExpression,
marshaler.GapiPtr);
if (gapiPtr != IntPtr.Zero)
{
contentFilteredTopic = new ContentFilteredTopic(gapiPtr);
}
}
}
}
return contentFilteredTopic;
}
/// <summary>
/// This operation changes the query parameters associated with the QueryCondition.
/// </summary>
/// <param name="queryParameters">A sequence of strings which are the parameters used in the SQL query string
/// (i.e., the “%n” tokens in the expression).</param>
/// <returns>Return codes are:Ok,Error,BadParameter,AlreadyDeleted or OutOfResources.</returns>
public ReturnCode SetQueryParameters(params string[] queryParameters)
{
ReturnCode result = ReturnCode.Error;
using (SequenceStringMarshaler marshaler = new SequenceStringMarshaler())
{
if (marshaler.CopyIn(queryParameters) == ReturnCode.Ok)
{
result = Gapi.QueryCondition.set_query_parameters(
GapiPeer,
marshaler.GapiPtr);
}
}
return result;
}
