package org.mapdb.ser;

import org.jetbrains.annotations.Nullable;

import org.mapdb.io.DataInput2;

import org.mapdb.io.DataOutput2;

import java.io.IOException;

import java.util.Arrays;

import java.util.Comparator;

/**

* Created by jan on 2/28/16.

*/

public class LongSerializer extends EightByteSerializer<Long> {

@Override

public void serialize(DataOutput2 out, Long value) {

out.writeLong(value);

}

@Override

public Long deserialize(DataInput2 in) {

return new Long(in.readLong());

}

@Nullable

@Override

public Class serializedType() {

return long[].class;

}

@Override

protected Long unpack(long l) {

return new Long(l);

}

@Override

protected long pack(Long l) {

return l.longValue();

}

@Override

public int valueArraySearch(long[] keys, Long key) {

return Arrays.binarySearch((long[])keys, key);

}

@Override

public int valueArrayBinarySearch(Long key, DataInput2 input, int keysLen, Comparator comparator) {

if (comparator != this)

return super.valueArrayBinarySearch(key, input, keysLen, comparator);

long key2 = key;

for (int pos = 0; pos < keysLen; pos++) {

long from = input.readLong();

if (key2 <= from) {

input.skipBytes((keysLen-pos-1)*8);

return (key2 == from) ? pos : -(pos + 1);

}

}

//not found

return -(keysLen + 1);

}

}