ModifyCommand.ModifyInfo doSetFieldValue(long row, int fieldId, Value value)
throws DriverException {
// convert value
Value val = value;
if (val == null) {
val = ValueFactory.createNullValue();
}
// write check
checkConstraints(val, fieldId);
// Do modification
ModifyCommand.ModifyInfo ret;
PhysicalRowAddress dir = rowsAddresses.get((int) row);
dirty = true;
setFieldValueInIndex((int) row, fieldId, getFieldValue(row, fieldId), val);
if (dir instanceof OriginalRowAddress) {
Value[] original = getOriginalRow(dir);
Value previousValue = original[fieldId];
original[fieldId] = val;
PhysicalRowAddress newAddress = internalBuffer.insertRow(dir.getPK(), original);
rowsAddresses.set((int) row, newAddress);
UpdateEditionInfo info = new UpdateEditionInfo(dir.getPK(), rowsAddresses.get((int) row));
EditionInfo ei = editionActions.set((int) row, info);
ret =
new ModifyCommand.ModifyInfo(
(OriginalRowAddress) dir,
ei,
(InternalBufferRowAddress) newAddress,
previousValue,
row,
fieldId);
} else {
Value previousValue = dir.getFieldValue(fieldId);
((InternalBufferRowAddress) dir).setFieldValue(fieldId, val);
/*
* We don't modify the EditionInfo because is an insertion that
* already points to the internal buffer
*/
ret =
new ModifyCommand.ModifyInfo(
null, null, (InternalBufferRowAddress) dir, previousValue, row, fieldId);
}
cachedScope = null;
editionListenerSupport.callSetFieldValue(row, fieldId, undoRedo);
return ret;
}
void undoSetFieldValue(
OriginalRowAddress previousDir,
EditionInfo previousInfo,
InternalBufferRowAddress dir,
Value previousValue,
int fieldId,
long row)
throws DriverException {
if (previousDir != null) {
setFieldValueInIndex((int) row, fieldId, getFieldValue(row, fieldId), previousValue);
rowsAddresses.set((int) row, previousDir);
editionActions.set((int) row, previousInfo);
} else {
setFieldValueInIndex((int) row, fieldId, getFieldValue(row, fieldId), previousValue);
dir.setFieldValue(fieldId, previousValue);
}
cachedScope = null;
editionListenerSupport.callSetFieldValue(row, fieldId, true);
}