public void setString(int columnIndex, String value) {
Integer reuseIndex = stringReferences.get(value);
if (reuseIndex != null) {
bufferSlice.setInt(getOffset(columnIndex), reuseIndex);
} else {
int index = stringReferences.size();
stringReferences.put(value, index);
bufferSlice.setInt(getOffset(columnIndex), index);
stringReferenceSize +=
value.length() * 2 + 4; // assuming size of char = size of byte * 2 + length
}
clearNull(columnIndex);
}
private void doFlush() {
if (buffer != null && count > 0) {
// write page header
bufferSlice.setInt(0, count);
buffer.limit(position);
// flush page
Page page = Page.wrap(buffer).setStringReferences(getSortedStringReferences());
buffer = null;
bufferSlice = null;
output.add(page);
}
}
public void addRecord() {
// record header
bufferSlice.setInt(
position, nextVariableLengthDataOffset); // nextVariableLengthDataOffset means record size
bufferSlice.setBytes(position + 4, nullBitSet);
count++;
this.position += nextVariableLengthDataOffset;
this.nextVariableLengthDataOffset = fixedRecordSize;
Arrays.fill(nullBitSet, (byte) -1);
// flush if next record will not fit in this buffer
if (buffer.capacity() < position + nextVariableLengthDataOffset + stringReferenceSize) {
flush();
}
}
public void setTimestamp(int columnIndex, Timestamp value) {
int offset = getOffset(columnIndex);
bufferSlice.setLong(offset, value.getEpochSecond());
bufferSlice.setInt(offset + 8, value.getNano());
clearNull(columnIndex);
}
