public override byte[] GetSlice(int sliceLength)
{
int[] statusVector = FesConnection.GetNewStatusVector();
int dbHandle = this.db.Handle;
int trHandle = this.transaction.Handle;
ArrayDescMarshaler marshaler = ArrayDescMarshaler.GetInstance();
IntPtr arrayDesc = marshaler.MarshalManagedToNative(this.Descriptor);
byte[] buffer = new byte[sliceLength];
FbClient.isc_array_get_slice(
statusVector,
ref dbHandle,
ref trHandle,
ref this.handle,
arrayDesc,
buffer,
ref sliceLength);
// Free memory
marshaler.CleanUpNativeData(ref arrayDesc);
FesConnection.ParseStatusVector(statusVector);
return(buffer);
}
public static ArrayDescMarshaler GetInstance()
{
if (ArrayDescMarshaler.instance == null)
{
ArrayDescMarshaler.instance = new ArrayDescMarshaler();
}
return(ArrayDescMarshaler.instance);
}
public static ArrayDescMarshaler GetInstance()
{
if (ArrayDescMarshaler.instance == null)
{
ArrayDescMarshaler.instance = new ArrayDescMarshaler();
}
return ArrayDescMarshaler.instance;
}
public override void PutSlice(System.Array sourceArray, int sliceLength)
{
int[] statusVector = FesConnection.GetNewStatusVector();
int dbHandle = this.db.Handle;
int trHandle = this.transaction.Handle;
ArrayDescMarshaler marshaler = ArrayDescMarshaler.GetInstance();
IntPtr arrayDesc = marshaler.MarshalManagedToNative(this.Descriptor);
// Obtain the System of type of Array elements and
// Fill buffer
Type systemType = this.GetSystemType();
byte[] buffer = new byte[sliceLength];
if (systemType.IsPrimitive)
{
Buffer.BlockCopy(sourceArray, 0, buffer, 0, buffer.Length);
}
else
{
buffer = this.EncodeSlice(this.Descriptor, sourceArray, sliceLength);
}
FbClient.isc_array_put_slice(
statusVector,
ref dbHandle,
ref trHandle,
ref this.handle,
arrayDesc,
buffer,
ref sliceLength);
// Free memory
marshaler.CleanUpNativeData(ref arrayDesc);
FesConnection.ParseStatusVector(statusVector);
}
