com.expleague.ml.io.HMMConversionPack Maven / Gradle / Ivy
package com.expleague.ml.io;
import com.expleague.commons.func.types.ConversionDependant;
import com.expleague.commons.func.types.ConversionPack;
import com.expleague.commons.func.types.ConversionRepository;
import com.expleague.commons.func.types.TypeConverter;
import com.expleague.commons.math.vectors.Vec;
import com.expleague.commons.seq.CharSeqReader;
import com.expleague.commons.seq.CharSeqTools;
import com.expleague.commons.seq.ReaderChopper;
import com.expleague.commons.seq.regexp.Alphabet;
import com.expleague.ml.models.hmm.HiddenMarkovModel;
/**
* User: solar
* Date: 25.09.17
*/
public class HMMConversionPack implements ConversionPack {
public static class To implements TypeConverter , ConversionDependant {
private ConversionRepository repository;
@Override
public void setConversionRepository(final ConversionRepository repository) {
this.repository = repository;
}
@Override
public CharSequence convert(final HiddenMarkovModel hmm) {
StringBuilder result = new StringBuilder();
result.append(hmm.states()).append("\n")
.append(repository.convert(hmm.alpha(), CharSequence.class)).append("\n")
.append(repository.convert(hmm.betta(), CharSequence.class));
return result;
}
}
public static class From implements TypeConverter , ConversionDependant {
private ConversionRepository repository;
@Override
public void setConversionRepository(final ConversionRepository repository) {
this.repository = repository;
}
@SuppressWarnings("unchecked")
@Override
public HiddenMarkovModel convert(final CharSequence source) {
final ReaderChopper chopper = new ReaderChopper(new CharSeqReader(source));
final int states = CharSeqTools.parseInt(chopper.chopQuiet('\n'));
final Alphabet alpha = repository.convert(chopper.chopQuiet('\n'), Alphabet.class);
final Vec betta = repository.convert(chopper.restQuiet(), Vec.class);
return new HiddenMarkovModel(alpha, states, betta);
}
}
@Override
public Class extends TypeConverter> to() {
return To.class;
}
@Override
public Class extends TypeConverter> from() {
return From.class;
}
}
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