internal void Dispose()
{
NativeBuffer.SafeDispose(ref this._longBuffer);
OciLobLocator.SafeDispose(ref this._lobLocator);
OciHandle.SafeDispose(ref this._describeHandle);
this._columnName = null;
this._metaType = null;
this._callback = null;
this._connection = null;
}
internal void Bind(OciStatementHandle statementHandle, NativeBuffer_RowBuffer buffer, OciErrorHandle errorHandle, int rowBufferLength)
{
OciDefineHandle defnp = null;
int num3;
OCI.MODE mode = OCI.MODE.OCI_DEFAULT;
OCI.DATATYPE ociType = this._metaType.OciType;
this._rowBuffer = buffer;
if (this._metaType.IsLong)
{
mode = OCI.MODE.OCI_DATA_AT_EXEC;
num3 = 0x7fffffff;
}
else
{
num3 = this._byteSize;
}
IntPtr zero = IntPtr.Zero;
IntPtr rlenp = IntPtr.Zero;
IntPtr dataPtr = this._rowBuffer.DangerousGetDataPtr(this._valueOffset);
if (-1 != this._indicatorOffset)
{
zero = this._rowBuffer.DangerousGetDataPtr(this._indicatorOffset);
}
if ((-1 != this._lengthOffset) && !this._metaType.IsLong)
{
rlenp = this._rowBuffer.DangerousGetDataPtr(this._lengthOffset);
}
try
{
IntPtr ptr3;
int rc = TracedNativeMethods.OCIDefineByPos(statementHandle, out ptr3, errorHandle, ((uint)this._ordinal) + 1, dataPtr, num3, ociType, zero, rlenp, IntPtr.Zero, mode);
if (rc != 0)
{
this._connection.CheckError(errorHandle, rc);
}
defnp = new OciDefineHandle(statementHandle, ptr3);
if (rowBufferLength != 0)
{
uint pvskip = (uint)rowBufferLength;
uint indskip = (-1 != this._indicatorOffset) ? pvskip : 0;
uint rlskip = ((-1 != this._lengthOffset) && !this._metaType.IsLong) ? pvskip : 0;
rc = TracedNativeMethods.OCIDefineArrayOfStruct(defnp, errorHandle, pvskip, indskip, rlskip, 0);
if (rc != 0)
{
this._connection.CheckError(errorHandle, rc);
}
}
if (this._metaType.UsesNationalCharacterSet)
{
defnp.SetAttribute(OCI.ATTR.OCI_ATTR_CHARSET_FORM, 2, errorHandle);
}
if (!this._connection.UnicodeEnabled && this._bindAsUTF16)
{
defnp.SetAttribute(OCI.ATTR.OCI_ATTR_CHARSET_ID, 0x3e8, errorHandle);
}
if (this._metaType.IsLong)
{
this._rowBuffer.WriteIntPtr(this._valueOffset, IntPtr.Zero);
this._callback = new OCI.Callback.OCICallbackDefine(this._callback_GetColumnPiecewise);
rc = TracedNativeMethods.OCIDefineDynamic(defnp, errorHandle, IntPtr.Zero, this._callback);
if (rc != 0)
{
this._connection.CheckError(errorHandle, rc);
}
}
}
finally
{
NativeBuffer.SafeDispose(ref this._longBuffer);
OciHandle.SafeDispose(ref defnp);
}
}