/// <summary>
/// Constructor.
/// </summary>
/// <param name="qry">Query.</param>
/// <param name="marsh">Marshaller.</param>
/// <param name="keepBinary">Keep binary flag.</param>
/// <param name="createTargetCb">The initialization callback.</param>
/// <param name="initialQry">The initial query.</param>
public ContinuousQueryHandleImpl(ContinuousQuery <TK, TV> qry, Marshaller marsh, bool keepBinary,
Func <Action <BinaryWriter>, IPlatformTargetInternal> createTargetCb, IQueryBaseInternal initialQry)
{
_marsh = marsh;
_keepBinary = keepBinary;
_lsnr = qry.Listener;
_filter = qry.Filter;
// 1. Inject resources.
ResourceProcessor.Inject(_lsnr, _marsh.Ignite);
ResourceProcessor.Inject(_filter, _marsh.Ignite);
try
{
// 2. Allocate handle.
_hnd = _marsh.Ignite.HandleRegistry.Allocate(this);
// 3. Call Java.
_nativeQry = createTargetCb(writer =>
{
writer.WriteLong(_hnd);
writer.WriteBoolean(qry.Local);
writer.WriteBoolean(qry.IncludeExpired);
writer.WriteBoolean(_filter != null);
var javaFilter = _filter as PlatformJavaObjectFactoryProxy;
if (javaFilter != null)
{
writer.WriteObject(javaFilter.GetRawProxy());
}
else
{
var filterHolder = _filter == null || qry.Local
? null
: new ContinuousQueryFilterHolder(_filter, _keepBinary);
writer.WriteObject(filterHolder);
}
writer.WriteInt(qry.BufferSize);
writer.WriteLong((long)qry.TimeInterval.TotalMilliseconds);
writer.WriteBoolean(qry.AutoUnsubscribe);
if (initialQry != null)
{
writer.WriteInt((int)initialQry.OpId);
initialQry.Write(writer, _keepBinary);
}
else
{
writer.WriteInt(-1); // no initial query
}
});
// 4. Initial query.
_nativeInitialQueryCursor = _nativeQry.OutObjectInternal(0);
_initialQueryIsFields = initialQry is SqlFieldsQuery;
}
catch (Exception)
{
if (_hnd > 0)
{
_marsh.Ignite.HandleRegistry.Release(_hnd);
}
if (_nativeQry != null)
{
_nativeQry.Dispose();
}
if (_nativeInitialQueryCursor != null)
{
_nativeInitialQueryCursor.Dispose();
}
throw;
}
}
/// <summary>
/// Perform out operation.
/// </summary>
/// <param name="type">Operation type.</param>
/// <returns>Resulting object.</returns>
protected IPlatformTargetInternal DoOutOpObject(int type)
{
return(_target.OutObjectInternal(type));
}