/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.db.marshal;
import java.nio.ByteBuffer;
import org.apache.cassandra.cql3.CQL3Type;
import org.apache.cassandra.serializers.TypeSerializer;
import org.apache.cassandra.serializers.BytesSerializer;
import org.apache.cassandra.serializers.MarshalException;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.Hex;
public class BytesType extends AbstractType<ByteBuffer>
{
public static final BytesType instance = new BytesType();
BytesType() {} // singleton
public int compare(ByteBuffer o1, ByteBuffer o2)
{
return ByteBufferUtil.compareUnsigned(o1, o2);
}
public ByteBuffer fromString(String source)
{
try
{
return ByteBuffer.wrap(Hex.hexToBytes(source));
}
catch (NumberFormatException e)
{
throw new MarshalException(String.format("cannot parse '%s' as hex bytes", source), e);
}
}
@Override
public boolean isCompatibleWith(AbstractType<?> previous)
{
// Both asciiType and utf8Type really use bytes comparison and
// bytesType validate everything, so it is compatible with the former.
return this == previous || previous == AsciiType.instance || previous == UTF8Type.instance;
}
@Override
public boolean isValueCompatibleWithInternal(AbstractType<?> otherType)
{
// BytesType can read anything
return true;
}
public boolean isByteOrderComparable()
{
return true;
}
public CQL3Type asCQL3Type()
{
return CQL3Type.Native.BLOB;
}
public TypeSerializer<ByteBuffer> getSerializer()
{
return BytesSerializer.instance;
}
}