public void moveAllInstances(
LearningMethod method,
FeatureFunction divideFeature,
ArrayList<Integer> divideFeatureIndexVector)
throws MaltChainedException {
if (method == null) {
throw new LibException("The learning method cannot be found. ");
} else if (divideFeature == null) {
throw new LibException("The divide feature cannot be found. ");
}
try {
final BufferedReader in = new BufferedReader(getInstanceInputStreamReader(".ins"));
final BufferedWriter out = method.getInstanceWriter();
final StringBuilder sb = new StringBuilder(6);
int l = in.read();
char c;
int j = 0;
while (true) {
if (l == -1) {
sb.setLength(0);
break;
}
c = (char) l;
l = in.read();
if (c == '\t') {
if (divideFeatureIndexVector.contains(j - 1)) {
out.write(
Integer.toString(
((SingleFeatureValue) divideFeature.getFeatureValue()).getIndexCode()));
out.write('\t');
}
out.write(sb.toString());
j++;
out.write('\t');
sb.setLength(0);
} else if (c == '\n') {
out.write(sb.toString());
if (divideFeatureIndexVector.contains(j - 1)) {
out.write('\t');
out.write(
Integer.toString(
((SingleFeatureValue) divideFeature.getFeatureValue()).getIndexCode()));
}
out.write('\n');
sb.setLength(0);
method.increaseNumberOfInstances();
this.decreaseNumberOfInstances();
j = 0;
} else {
sb.append(c);
}
}
in.close();
getFile(".ins").delete();
out.flush();
} catch (SecurityException e) {
throw new LibException("The learner cannot remove the instance file. ", e);
} catch (NullPointerException e) {
throw new LibException("The instance file cannot be found. ", e);
} catch (FileNotFoundException e) {
throw new LibException("The instance file cannot be found. ", e);
} catch (IOException e) {
throw new LibException("The learner read from the instance file. ", e);
}
}
