package org.apache.lucene.analysis.ja.dict;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.lucene.codecs.CodecUtil;
import org.apache.lucene.store.DataInput;
import org.apache.lucene.store.InputStreamDataInput;
import org.apache.lucene.util.IOUtils;
public final class ConnectionCosts {
public static final String FILENAME_SUFFIX = ".dat";
public static final String = "kuromoji_cc";
public static final int VERSION = 1;
private final short[][] costs;
private ConnectionCosts() throws IOException {
InputStream is = null;
short[][] costs = null;
boolean success = false;
try {
is = BinaryDictionary.getClassResource(getClass(), FILENAME_SUFFIX);
is = new BufferedInputStream(is);
final DataInput in = new InputStreamDataInput(is);
CodecUtil.checkHeader(in, HEADER, VERSION, VERSION);
int forwardSize = in.readVInt();
int backwardSize = in.readVInt();
costs = new short[backwardSize][forwardSize];
int accum = 0;
for (int j = 0; j < costs.length; j++) {
final short[] a = costs[j];
for (int i = 0; i < a.length; i++) {
accum += in.readZInt();
a[i] = (short)accum;
}
}
success = true;
} finally {
if (success) {
IOUtils.close(is);
} else {
IOUtils.closeWhileHandlingException(is);
}
}
this.costs = costs;
}
public int get(int forwardId, int backwardId) {
return costs[backwardId][forwardId];
}
public static ConnectionCosts getInstance() {
return SingletonHolder.INSTANCE;
}
private static class SingletonHolder {
static final ConnectionCosts INSTANCE;
static {
try {
INSTANCE = new ConnectionCosts();
} catch (IOException ioe) {
throw new RuntimeException("Cannot load ConnectionCosts.", ioe);
}
}
}
}