protected boolean putInternal(int index, byte[] key, byte[] value) throws Exception {
byte[] existingData = _dataArray.get(index);
if (existingData == null || existingData.length == 0) {
_dataArray.set(index, _dataHandler.assemble(key, value), nextScn());
_loadCount++;
} else {
try {
_dataArray.set(index, _dataHandler.assemble(key, value, existingData), nextScn());
} catch (Exception e) {
_log.warn("Value reset at index=" + index + " key=\"" + new String(key) + "\"");
_dataArray.set(index, _dataHandler.assemble(key, value), nextScn());
}
}
return true;
}
private boolean deleteInternal(int index, byte[] key) throws Exception {
try {
byte[] existingData = _dataArray.get(index);
if (existingData != null) {
int newLength = _dataHandler.removeByKey(key, existingData);
if (newLength == 0) {
// entire data is removed
_dataArray.set(index, null, nextScn());
_loadCount--;
return true;
} else if (newLength < existingData.length) {
// partial data is removed
_dataArray.set(index, existingData, 0, newLength, nextScn());
return true;
}
}
} catch (Exception e) {
_log.warn("Failed to delete key=\"" + new String(key) + "\" : " + e.getMessage());
_dataArray.set(index, null, nextScn());
}
// no data is removed
return false;
}
private boolean putReplace(int index, byte[] key, byte[] value) throws Exception {
_dataArray.set(index, _dataHandler.assemble(key, value), nextScn());
return true;
}
private boolean setInternal(int index, byte[] key, byte[] value) throws Exception {
_dataArray.set(index, _dataHandler.assemble(key, value), nextScn());
_loadCount++;
return true;
}
