/**
* Execute Script Loads environment and saves result
*
* @return null or Exception
*/
public Exception execute() {
m_result = null;
if (m_variable == null
|| m_variable.length() == 0
|| m_script == null
|| m_script.length() == 0) {
IllegalArgumentException e = new IllegalArgumentException("No variable/script");
log.config(e.toString());
return e;
}
Interpreter i = new Interpreter();
loadEnvironment(i);
try {
log.config(m_script);
i.eval(m_script);
} catch (Exception e) {
log.config(e.toString());
return e;
}
try {
m_result = i.get(m_variable);
log.config("Result (" + m_result.getClass().getName() + ") " + m_result);
} catch (Exception e) {
log.config("Result - " + e);
if (e instanceof NullPointerException)
e = new IllegalArgumentException("Result Variable not found - " + m_variable);
return e;
}
return null;
} // execute
/** Liest neue Knotendaten ein. Liefert true, wenn erfolgreich */
public boolean einlesen() {
try {
dx = Fkt.holZahl(felddx.getText());
dz = Fkt.holZahl(felddz.getText());
stabnr = Integer.parseInt(feldStabnr.getText());
F = Fkt.holZahl(feldN.getText());
} catch (IllegalArgumentException e) {
System.out.println(e.toString());
return false;
}
if (stabnr <= 0 || stabnr > Stabliste.size()) {
System.out.println(tr("Stabexistiertnicht"));
return false;
}
if (dx == 0 && dz == 0) return false;
vektor[0] = dx;
vektor[1] = dz;
return true;
}
public BigdataColumnGroupReader(SSTableReader ssTable, DecoratedKey key, FileDataInput input)
throws IOException {
this.file = input;
this.ssTable = ssTable;
assert file.getAbsolutePosition() == realDataStart;
if (ColumnFamily.serializer().isNewRowFormatIndexAtEnd(rowFormat)) {
////// HEADER //////
// skip bloom filter
IndexHelper.skipBloomFilter(file);
// read deletion meta info
emptyColumnFamily =
ColumnFamily.serializer()
.deserializeFromSSTableNoColumns(ssTable.makeColumnFamily(), file);
file.readInt(); // column count
// the position of the first block
firstBlockPos = file.getAbsolutePosition();
////// TRAILER //////
// seek to the trailer
// THE FIRST SEEK!!!
file.seek(dataStart + dataSize - (Integer.SIZE / Byte.SIZE));
// index size (with column index size's int)
int indexSize = file.readInt();
////// INDEX //////
// seek to index position
// THE SECOND SEEK!!!
file.seek(dataStart + dataSize - (Integer.SIZE / Byte.SIZE) - indexSize);
// read index into memory
indexes = IndexHelper.deserializeIndex(file);
} else {
// skip bloom filter
IndexHelper.skipBloomFilter(file);
// read in index
indexes = IndexHelper.deserializeIndex(file);
// read deletion meta info
emptyColumnFamily =
ColumnFamily.serializer()
.deserializeFromSSTableNoColumns(ssTable.makeColumnFamily(), file);
file.readInt(); // column count
// the position of the first block
firstBlockPos = file.getAbsolutePosition();
}
curRangeIndex = IndexHelper.indexFor(startColumn, indexes, comparator, reversed);
if (reversed && curRangeIndex == indexes.size()) curRangeIndex--;
// compression algorithm used when writing
Compression.Algorithm compressAlgo;
try {
compressAlgo =
Compression.getCompressionAlgorithmById(
ColumnFamily.serializer().getNewRowFormatCompressAlgo(rowFormat));
} catch (IllegalArgumentException e) {
logger.error(e.toString());
throw new IOException(e);
}
compressContext = ColumnFamilySerializer.CompressionContext.getInstance(compressAlgo);
}
