package org.apache.cassandra.db.marshal;
import java.nio.ByteBuffer;
import org.apache.cassandra.cql3.CQL3Type;
import org.apache.cassandra.cql3.Constants;
import org.apache.cassandra.cql3.Term;
import org.apache.cassandra.serializers.TypeSerializer;
import org.apache.cassandra.serializers.Int32Serializer;
import org.apache.cassandra.serializers.MarshalException;
import org.apache.cassandra.transport.ProtocolVersion;
import org.apache.cassandra.utils.ByteBufferUtil;
public class Int32Type extends AbstractType<Integer>
{
public static final Int32Type instance = new Int32Type();
Int32Type()
{
super(ComparisonType.CUSTOM);
}
public boolean isEmptyValueMeaningless()
{
return true;
}
public int compareCustom(ByteBuffer o1, ByteBuffer o2)
{
if (!o1.hasRemaining() || !o2.hasRemaining())
return o1.hasRemaining() ? 1 : o2.hasRemaining() ? -1 : 0;
int diff = o1.get(o1.position()) - o2.get(o2.position());
if (diff != 0)
return diff;
return ByteBufferUtil.compareUnsigned(o1, o2);
}
public ByteBuffer fromString(String source) throws MarshalException
{
if (source.isEmpty())
return ByteBufferUtil.EMPTY_BYTE_BUFFER;
int int32Type;
try
{
int32Type = Integer.parseInt(source);
}
catch (Exception e)
{
throw new MarshalException(String.format("Unable to make int from '%s'", source), e);
}
return decompose(int32Type);
}
@Override
public Term fromJSONObject(Object parsed) throws MarshalException
{
try
{
if (parsed instanceof String)
return new Constants.Value(fromString((String) parsed));
Number parsedNumber = (Number) parsed;
if (!(parsedNumber instanceof Integer))
throw new MarshalException(String.format("Expected an int value, but got a %s: %s", parsed.getClass().getSimpleName(), parsed));
return new Constants.Value(getSerializer().serialize(parsedNumber.intValue()));
}
catch (ClassCastException exc)
{
throw new MarshalException(String.format(
"Expected an int value, but got a %s: %s", parsed.getClass().getSimpleName(), parsed));
}
}
@Override
public String toJSONString(ByteBuffer buffer, ProtocolVersion protocolVersion)
{
return getSerializer().deserialize(buffer).toString();
}
public CQL3Type asCQL3Type()
{
return CQL3Type.Native.INT;
}
public TypeSerializer<Integer> getSerializer()
{
return Int32Serializer.instance;
}
@Override
protected int valueLengthIfFixed()
{
return 4;
}
}