package mil.nga.giat.geowave.core.store.data.field.base;
import java.nio.ByteBuffer;
import java.nio.ShortBuffer;
import mil.nga.giat.geowave.core.index.ByteArrayId;
import mil.nga.giat.geowave.core.store.data.field.FieldReader;
import mil.nga.giat.geowave.core.store.data.field.FieldSerializationProviderSpi;
import mil.nga.giat.geowave.core.store.data.field.FieldWriter;
public class PrimitiveShortArraySerializationProvider implements
FieldSerializationProviderSpi<short[]>
{
@Override
public FieldReader<short[]> getFieldReader() {
return new PrimitiveShortArrayReader();
}
@Override
public FieldWriter<Object, short[]> getFieldWriter() {
return new PrimitiveShortArrayWriter();
}
private static class PrimitiveShortArrayReader implements
FieldReader<short[]>
{
@Override
public short[] readField(
final byte[] fieldData ) {
if ((fieldData == null) || (fieldData.length < 2)) {
return null;
}
final ShortBuffer buff = ByteBuffer.wrap(
fieldData).asShortBuffer();
final short[] result = new short[buff.remaining()];
buff.get(result);
return result;
}
}
private static class PrimitiveShortArrayWriter implements
FieldWriter<Object, short[]>
{
@Override
public byte[] writeField(
final short[] fieldValue ) {
if (fieldValue == null) {
return new byte[] {};
}
final ByteBuffer buf = ByteBuffer.allocate(2 * fieldValue.length);
for (final short value : fieldValue) {
buf.putShort(value);
}
return buf.array();
}
@Override
public byte[] getVisibility(
final Object rowValue,
final ByteArrayId fieldId,
final short[] fieldValue ) {
return new byte[] {};
}
}
}